Data Report
Bulletin / 1992 APR-DEC
Contributed by CUPWA
Start
Date 1992-04-01
Origin Time 0839 1.06 +- 0.65
Zone 50
Easting 566.84 +- 3.04 Longitude 117.699
Northing 6585.60 +- 3.05 Latitude -30.861
Depth 3.22 +- 6.24
Arrival times = 10 S.D. = 0.214 Seismographs = 5
Nearest recorder = 81.2 km Gap = 133.7 deg Accuracy = A
Effects Code = Imax = 0 Fault =
16 km W (249 deg) of BENC
WESTERN AUSTRALIA
213 km NE ( 56 deg) of PERTH
15 km W (253 deg) of Bencubbin
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.8
PHASE INFORMATION
DATA USED
BAL i-P 17.20 0.10 1.26 17.24 -0.04 99.1 286 2.0 2.0
BAL e S 28.60 0.20 0.69 28.45 0.15 99.1 286 2.0 2.0
COOL e P 47.00 0.20 0.69 47.26 -0.26 329.7 91 -42.2 42.2
COOL e PG 54.30 0.30 0.64 54.84 -0.54 329.7 91 0.6 0.6
COOL e S 81.90 0.20 0.62 81.65 0.25 329.7 91 -40.3 40.3
COOL i SG 90.30 0.40 0.77 92.13 -1.83 329.7 91 0.6 0.6
KLB e P 14.00 0.40 0.68 14.32 -0.32 81.2 175 2.5 2.5
KLB e S 23.90 0.30 0.65 23.52 0.38 81.2 175 2.5 2.5
MRWA e P 37.00 0.10 0.81 37.02 -0.02 245.2 317 -42.2 42.2
MRWA i P2 39.40 0.30 0.56 38.33 1.07 245.2 317 -30.8 30.8
MRWA e S 64.00 0.30 0.59 63.83 0.17 245.2 317 -40.3 40.3
MUN e P 30.20 0.10 0.83 30.13 0.07 188.2 228 -42.2 42.2
MUN e S 51.50 0.50 0.54 51.83 -0.33 188.2 228 -40.3 40.3
MUN e SG 53.00 0.50 0.54 53.06 -0.06 188.2 228 1.1 1.1
RKG e P 60.00 0.30 0.62 57.70 2.30 416.2 188 -42.2 42.2
RKG e PG 65.00 1.00 0.39 68.96 -3.96 416.2 188 0.5 0.5
RKG e S 97.00 0.50 0.51 99.84 -2.84 416.2 188 -40.3 40.3
RKG e SG 114.00 1.00 0.35 116.04 -2.04 416.2 188 0.5 0.5
Velocity Ratios
KLB BAL MUN MRWA COOL
KLB 1.77 0.00 1.70 1.74 1.76
0.08 0.00 0.11 0.07 0.05
BAL 0.00 1.71 1.76 1.79 1.79
0.00 0.02 0.08 0.04 0.03
MUN 1.70 1.76 1.73 1.84 1.81
0.11 0.08 0.02 0.18 0.08
MRWA 1.74 1.79 1.84 1.75 1.79
0.07 0.04 0.18 0.01 0.11
COOL 1.76 1.79 1.81 1.79 1.76
0.05 0.03 0.08 0.11 0.01
Start
Date 1992-04-09
Origin Time 2247 56.67 +- 20.31
Zone 50
Easting 534.03 +- 41.07 Longitude 117.358
Northing 6538.48 +- 47.09 Latitude -31.287
Depth 5.00 +-1124.53 N
Arrival times = 5 S.D. = 0.224 Seismographs = 3
Nearest recorder = 51.0 km Gap = 171.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
24 km NW (309 deg) of KBW
WESTERN AUSTRALIA
161 km NE ( 63 deg) of PERTH
33 km E (107 deg) of Dowerin
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL e P 72.20 0.20 0.77 72.64 -0.44 97.8 320 3.1 3.1
BAL i S 83.90 0.20 0.99 83.71 0.19 97.8 320 3.1 3.1
KLB e P 65.20 0.20 0.81 65.03 0.17 51.0 131 5.9 5.9
KLB i S 70.80 0.20 1.04 70.83 -0.03 51.0 131 5.9 5.9
MRWA e S2 126.00 0.50 0.29 127.09 -1.09 264.1 330 -23.9 23.9
MUN i S 93.50 0.20 0.96 93.49 0.01 133.2 234 2.3 2.3
Velocity Ratios
KLB BAL
KLB 1.66 1.87
0.06 0.17
BAL 1.87 1.75
0.17 0.04
Start
Date 1992-04-10
Origin Time 0453 28.81 +- 0.00
Zone 50
Easting 434.05 +- 0.00 Longitude 116.305
Northing 6502.70 +- 0.00 Latitude -31.609
Depth 1.00 +- 0.00 C
Arrival times = 4 S.D. = 0.424 Seismographs = 3
Nearest recorder = 42.0 km Gap = 186.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
20 km NE ( 40 deg) of PIG4
WESTERN AUSTRALIA
57 km NE ( 49 deg) of PERTH
33 km SE (140 deg) of Bindoon
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL e P 48.50 0.20 0.76 47.97 0.53 117.5 19 0.6 0.6
BAL e S 63.80 0.20 0.68 61.26 2.54 117.5 19 0.6 0.6
KLB e P 50.20 0.20 0.75 51.26 -1.06 138.1 89 -30.8 30.8
KLB e S 66.90 0.20 0.67 66.95 -0.05 138.1 89 0.5 0.5
MUN S-P 5.20 0.10 1.35 4.75 0.45 42.0 192 0.0 0.0
MUN i+P 35.50 0.10 1.35 35.65 -0.15 42.0 192 1.7 1.7
NO VELOCITY RATIOS
Start
Date 1992-04-11
Origin Time 0723 26.57 +- 8.80
Zone 51
Easting 352.98 +- 31.50 Longitude 121.615
Northing 8067.68 +- 40.12 Latitude -17.472
Depth 5.00 +- 86.13 N
Arrival times = 8 S.D. = 1.175 Seismographs = 5
Nearest recorder = 449.3 km Gap = 197.0 deg Accuracy = D
Effects Code = Imax = 0 Fault =
449 km NE ( 24 deg) of MBL
WESTERN AUSTRALIA
85 km NW (310 deg) of BROOME
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.4
PHASE INFORMATION
DATA USED
MBL i P 87.10 0.10 1.10 87.00 0.10 449.3 204 -42.2 42.2
MBL e S 130.00 0.30 0.56 131.97 -1.97 449.3 204 -40.3 40.3
MBL e SG 154.00 0.50 0.50 150.69 3.31 449.3 204 0.7 0.7
MTN e P 172.00 1.00 0.44 171.21 0.79 1145.8 64 -42.2 42.2
MTN e S 277.00 1.00 0.40 278.59 -1.59 1145.8 64 -40.3 40.3
NANU e P 126.00 1.00 0.45 135.85 -9.85 853.4 227 -42.2 42.2
NANU e S 218.00 1.00 0.41 217.03 0.97 853.4 227 -40.3 40.3
NANU e SG 272.00 1.00 0.41 262.32 9.68 853.4 227 0.3 0.3
WARB e P 167.00 0.50 0.51 165.16 1.84 1095.4 152 -42.2 42.2
WARB e S 268.50 0.50 0.46 268.05 0.45 1095.4 152 -40.3 40.3
WRA e P 198.50 0.50 0.51 199.08 -0.58 1376.0 103 -42.2 42.2
Velocity Ratios
MBL WARB MTN
MBL 1.71 1.73 1.73
0.01 0.02 0.04
WARB 1.73 1.72 0.00
0.02 0.01 0.00
MTN 1.73 0.00 1.72
0.04 0.00 0.02
Start
Date 1992-04-14
Origin Time 2055 26.61 +- 2.35
Zone 50
Easting 469.09 +- 7.48 Longitude 116.695
Northing 7299.05 +- 6.03 Latitude -24.422
Depth 3.06 +- 18.05
Arrival times = 14 S.D. = 0.451 Seismographs = 7
Nearest recorder = 241.0 km Gap = 142.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
120 km S (196 deg) of LP06
WESTERN AUSTRALIA
838 km N ( 6 deg) of PERTH
310 km E ( 81 deg) of CARNARVON
81 km N (345 deg) of Landor
Record Dur Sync Unc Resp Seismometer Recorder Pol
MRWA -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.8
PHASE INFORMATION
DATA USED
BAL e P 117.00 1.00 0.46 115.79 1.21 685.1 179 -42.2 42.2
BAL e S 184.00 0.50 0.48 182.03 1.97 685.1 179 -40.3 40.3
COOL e P 134.00 0.50 0.52 134.52 -0.52 839.9 149 -42.2 42.2
COOL e S 215.00 0.50 0.47 214.65 0.35 839.9 149 -40.3 40.3
KLB e S 208.50 0.50 0.47 206.46 2.04 801.1 172 -40.3 40.3
MBL e P 91.00 1.00 0.48 91.45 -0.45 484.0 42 -42.2 42.2
MBL e S 140.00 0.30 0.55 139.66 0.34 484.0 42 -40.3 40.3
MBL e SG 160.40 0.50 0.50 160.30 0.10 484.0 42 0.4 0.4
MRWA e P 98.00 1.00 0.48 97.73 0.27 535.8 187 -42.2 42.2
MRWA e S 151.00 0.50 0.49 150.59 0.41 535.8 187 -40.3 40.3
MUN w P 134.00 2.00 0.40 134.33 -0.33 838.5 183 -42.2 42.2
MUN e S 216.00 0.50 0.47 214.32 1.68 838.5 183 -40.3 40.3
NANU i+P 61.70 0.10 1.17 62.06 -0.36 241.0 329 -42.2 42.2
NANU e S 88.00 1.00 0.46 88.49 -0.49 241.0 329 -40.3 40.3
NWAO e S 236.50 1.00 0.40 236.46 0.04 943.7 176 -40.3 40.3
NWAO e SG 282.90 0.30 0.51 287.31 -4.41 943.7 176 0.2 0.2
WARB e P 156.00 0.50 0.51 156.75 -0.75 1023.7 103 -42.2 42.2
WARB e S 253.00 0.50 0.46 253.34 -0.34 1023.7 103 -40.3 40.3
WARB e SG 310.00 0.50 0.46 309.41 0.59 1023.7 103 0.2 0.2
Velocity Ratios
NANU MBL MRWA COOL WARB
NANU 1.75 1.77 1.74 1.76 1.75
0.03 0.12 0.10 0.04 0.03
MBL 1.77 1.76 0.00 1.74 1.74
0.12 0.03 0.00 0.08 0.05
MRWA 1.74 0.00 1.74 1.78 1.76
0.10 0.00 0.03 0.11 0.06
COOL 1.76 1.74 1.78 1.75 1.73
0.04 0.08 0.11 0.01 0.13
WARB 1.75 1.74 1.76 1.73 1.75
0.03 0.05 0.06 0.13 0.01
Start
Date 1992-04-16
Origin Time 0732 1.65 +- 37.03
Zone 52
Easting 735.95 +- 107.80 Longitude 131.362
Northing 7097.04 +- 107.17 Latitude -26.227
Depth 5.00 +- 278.41 N
Arrival times = 6 S.D. = 1.661 Seismographs = 3
Nearest recorder = 381.4 km Gap = 168.9 deg Accuracy = D
Effects Code = Imax = 0 Fault =
380 km SW (222 deg) of AS10
SOUTH AUSTRALIA
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML? 2.5
PHASE INFORMATION
DATA USED
ASPA e P 52.80 0.50 0.57 53.92 -1.12 381.4 42 -42.2 42.2
ASPA e S 95.30 1.00 0.44 92.84 2.46 381.4 42 -40.3 40.3
FORR e P 79.70 0.10 0.75 80.40 -0.70 600.4 211 -42.2 42.2
FORR e S 140.30 0.20 0.59 138.94 1.36 600.4 211 -40.3 40.3
WARB e P 63.20 0.30 0.61 64.80 -1.60 471.5 269 -42.2 42.2
WARB e S 114.00 1.00 0.43 111.79 2.21 471.5 269 -40.3 40.3
WRA e P 84.90 0.50 0.53 99.79 -14.89 760.9 24 -42.2 42.2
WRA e S 177.30 0.50 0.47 172.70 4.60 760.9 24 -40.3 40.3
Velocity Ratios
ASPA WARB FORR
ASPA 1.83 0.00 1.67
0.04 0.00 0.08
WARB 0.00 1.83 1.59
0.00 0.03 0.11
FORR 1.67 1.59 1.78
0.08 0.11 0.00
Start
Date 1992-04-16
Origin Time 0801 28.07 +- 2.05
Zone 50
Easting 466.97 +- 7.65 Longitude 116.674
Northing 7299.62 +- 5.09 Latitude -24.416
Depth 5.29 +- 17.45
Arrival times = 16 S.D. = 0.568 Seismographs = 9
Nearest recorder = 239.4 km Gap = 142.8 deg Accuracy = B
Effects Code = Imax = 0 Fault =
120 km S (197 deg) of LP06
WESTERN AUSTRALIA
839 km N ( 6 deg) of PERTH
308 km E ( 81 deg) of CARNARVON
82 km N (344 deg) of Landor
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.3
PHASE INFORMATION
DATA USED
BAL e P 117.00 1.00 0.46 117.07 -0.07 685.7 179 -42.2 42.2
BAL e S 184.50 0.50 0.48 183.21 1.29 685.7 179 -40.3 40.3
COOL e P 135.70 0.30 0.58 135.93 -0.23 841.5 149 -42.2 42.2
COOL e S 215.50 0.50 0.47 216.04 -0.54 841.5 149 -40.3 40.3
FORR e P 193.00 0.30 0.56 195.34 -2.34 1332.8 124 -42.2 42.2
FORR e S 319.50 0.50 0.46 319.48 0.02 1332.8 124 -40.3 40.3
FORR e SG 382.00 0.50 0.46 396.25 -14.25 1332.8 124 0.3 0.3
KLB e P 131.80 0.20 0.63 131.13 0.67 802.0 172 -42.2 42.2
KLB e S 200.90 0.20 0.57 207.69 -6.79 802.0 172 -40.3 40.3
KLB e SG 244.00 1.00 0.41 249.62 -5.62 802.0 172 0.4 0.4
MBL e P 93.30 0.30 0.61 92.79 0.51 485.0 42 -42.2 42.2
MBL e PG 108.00 0.50 0.55 107.19 0.81 485.0 42 0.6 0.6
MBL e S 139.00 0.30 0.55 140.93 -1.93 485.0 42 -40.3 40.3
MBL e SG 161.50 0.50 0.50 162.05 -0.55 485.0 42 0.6 0.6
MRWA e P 98.30 0.20 0.66 98.98 -0.68 536.1 187 -42.2 42.2
MRWA e S 152.00 1.00 0.43 151.71 0.29 536.1 187 -40.3 40.3
MUN e P 136.00 1.00 0.46 135.60 0.40 839.0 182 -42.2 42.2
MUN e S 216.00 0.50 0.47 215.47 0.53 839.0 182 -40.3 40.3
NANU i+P 62.50 0.10 1.17 63.08 -0.58 239.4 329 -42.2 42.2
NANU e S 89.00 1.00 0.46 89.21 -0.21 239.4 329 -40.3 40.3
NWAO e S 236.10 1.00 0.40 237.67 -1.57 944.4 176 -40.3 40.3
WARB e P 157.70 0.30 0.57 158.23 -0.53 1025.9 103 -42.2 42.2
WARB e S 255.00 0.50 0.46 254.86 0.14 1025.9 103 -40.3 40.3
WARB e SG 313.00 1.00 0.40 311.47 1.53 1025.9 103 0.3 0.3
Velocity Ratios
NANU MRWA MUN COOL WARB
NANU 1.77 1.76 1.73 1.73 1.74
0.03 0.07 0.05 0.03 0.02
MRWA 1.76 1.76 1.70 1.70 1.73
0.07 0.02 0.10 0.06 0.04
MUN 1.73 1.70 1.74 0.00 1.80
0.05 0.10 0.02 0.00 0.16
COOL 1.73 1.70 0.00 1.74 1.80
0.03 0.06 0.00 0.01 0.10
WARB 1.74 1.73 1.80 1.80 1.75
0.02 0.04 0.16 0.10 0.01
Start
Date 1992-04-16
Origin Time 2027 51.46 +- 0.51
Zone 50
Easting 509.50 +- 3.04 Longitude 117.099
Northing 6600.10 +- 3.19 Latitude -30.732
Depth 1.00 +- 7.23 G
Arrival times = 8 S.D. = 0.096 Seismographs = 4
Nearest recorder = 40.1 km Gap = 179.4 deg Accuracy = A
Effects Code = Imax = 0 Fault =
4 km W (248 deg) of CAK
WESTERN AUSTRALIA
180 km NE ( 42 deg) of PERTH
5 km NW (325 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.8
PHASE INFORMATION
DATA USED
BAL i-P 57.90 0.10 1.36 58.01 -0.11 40.1 290 1.9 1.9
BAL i S 62.60 0.10 1.22 62.54 0.06 40.1 290 1.9 1.9
KLB e P 70.10 0.10 0.87 70.10 0.00 114.2 146 0.7 0.7
KLB e S 83.00 0.20 0.68 83.02 -0.02 114.2 146 0.7 0.7
MRWA e P 82.20 0.20 0.72 82.04 0.16 198.7 327 -42.2 42.2
MRWA e S 104.80 0.20 0.65 104.84 -0.04 198.7 327 -40.3 40.3
MUN e P 77.40 0.20 0.74 77.28 0.12 162.1 211 -30.8 30.8
MUN e S 96.20 0.20 0.66 96.23 -0.03 162.1 211 0.4 0.4
NWAO e SG 117.00 0.50 0.53 118.76 -1.76 243.6 177 0.3 0.3
Velocity Ratios
BAL KLB MUN MRWA
BAL 1.73 1.67 1.72 1.74
0.04 0.05 0.04 0.03
KLB 1.67 1.69 1.81 1.80
0.05 0.02 0.13 0.08
MUN 1.72 1.81 1.72 0.00
0.04 0.13 0.02 0.00
MRWA 1.74 1.80 0.00 1.74
0.03 0.08 0.00 0.02
Start
Date 1992-04-17
Origin Time 0827 25.25 +- 0.49
Zone 50
Easting 509.48 +- 3.86 Longitude 117.099
Northing 6599.90 +- 3.55 Latitude -30.734
Depth 3.97 +- 5.92
Arrival times = 9 S.D. = 0.130 Seismographs = 5
Nearest recorder = 40.1 km Gap = 179.3 deg Accuracy = A
Effects Code = Imax = 0 Fault =
4 km SW (246 deg) of CAK
WESTERN AUSTRALIA
180 km NE ( 42 deg) of PERTH
5 km NW (324 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
CAK 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
PHASE INFORMATION
DATA USED
BAL i-P 31.80 0.10 1.36 31.83 -0.03 40.1 290 6.1 6.1
BAL i S 36.40 0.20 1.06 36.39 0.01 40.1 290 6.1 6.1
CAK S-P 1.00 1.00 0.79 0.69 0.31 4.4 66 0.0 0.0
COOL e P 77.00 0.30 0.63 78.37 -1.37 387.6 93 -42.2 42.2
COOL e PG 87.50 0.30 0.63 88.48 -0.98 387.6 93 0.7 0.7
COOL e S 116.30 0.30 0.56 117.91 -1.61 387.6 93 -40.3 40.3
COOL e SG 133.00 0.50 0.51 132.33 0.67 387.6 93 0.7 0.7
KLB i-P 43.90 0.10 1.25 43.87 0.03 114.1 146 2.1 2.1
KLB e S 56.80 0.20 0.68 56.78 0.02 114.1 146 2.1 2.1
MRWA e P 55.40 0.10 0.83 55.52 -0.12 198.8 327 -42.2 42.2
MRWA e S 78.40 0.50 0.54 78.12 0.28 198.8 327 -40.3 40.3
MUN i-P 50.90 0.10 1.21 50.79 0.11 161.9 211 -30.8 30.8
MUN e S 69.90 0.10 0.76 69.96 -0.06 161.9 211 -23.9 23.9
NWAO e P 60.50 0.50 0.59 60.91 -0.41 243.4 177 -42.2 42.2
NWAO e S 91.00 0.50 0.53 87.50 3.50 243.4 177 -40.3 40.3
RKG w P2 90.00 2.00 0.27 87.69 2.31 425.3 181 -30.8 30.8
RKG S2 138.30 2.00 0.22 136.50 1.80 425.3 181 -23.9 23.9
RKG SG 144.00 2.00 0.40 142.75 1.25 425.3 181 0.6 0.6
Velocity Ratios
BAL KLB MUN MRWA
BAL 1.70 1.69 1.75 1.78
0.06 0.06 0.03 0.05
KLB 1.69 1.69 1.87 1.88
0.06 0.02 0.10 0.10
MUN 1.75 1.87 1.74 0.00
0.03 0.10 0.01 0.00
MRWA 1.78 1.88 0.00 1.76
0.05 0.10 0.00 0.02
Start
Date 1992-04-17
Origin Time 1208 8.32 +- 2.99
Zone 53
Easting 413.76 +- 32.89 Longitude 134.174
Northing 7761.29 +- 9.91 Latitude -20.244
Depth 5.00 +- 49.97 N
Arrival times = 15 S.D. = 0.813 Seismographs = 9
Nearest recorder = 759.7 km Gap = 248.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
36 km SW (210 deg) of WRB
NORTHERN TERRITORY
933 km SE (158 deg) of DARWIN
66 km S (181 deg) of TENNANT CREEK
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML? 4.2
PHASE INFORMATION
DATA USED
BAL e P 270.00 1.00 0.44 271.06 -1.06 2118.0 233 -43.0 42.9
BAL e S 467.00 1.00 0.40 467.63 -0.63 2118.0 233 -40.8 40.7
COOL e P 233.00 0.30 0.56 228.72 4.28 1771.9 225 -42.2 42.2
COOL e S 401.00 1.00 0.40 392.22 8.78 1771.9 225 -40.3 40.3
KLB e P 267.50 0.50 0.51 267.12 0.38 2087.1 229 -42.6 42.6
KNA e P 106.40 0.20 0.63 106.29 0.11 759.7 310 -42.2 42.2
KNA e S 178.40 0.50 0.48 179.07 -0.67 759.7 310 -40.3 40.3
KNA e SG 212.40 0.50 0.48 218.19 -5.79 759.7 310 0.4 0.4
MBL e P 198.10 0.20 0.61 197.35 0.75 1512.7 263 -42.2 42.2
MBL e S 339.00 0.50 0.46 337.60 1.40 1512.7 263 -40.3 40.3
MRWA e P 269.30 0.30 0.56 270.42 -1.12 2112.9 237 -42.9 42.9
MRWA e S 466.70 1.00 0.40 466.38 0.32 2112.9 237 -40.7 40.7
MTN e P 121.20 0.20 0.62 120.96 0.24 881.1 338 -42.2 42.2
MTN e S 204.50 0.50 0.47 204.62 -0.12 881.1 338 -40.3 40.3
MUN e P 284.30 0.30 0.56 284.35 -0.05 2227.4 230 -46.6 47.7
MUN e S 493.00 1.00 0.40 496.33 -3.33 2227.4 230 -42.3 42.1
NANU e P 253.50 0.30 0.56 254.50 -1.00 1985.5 259 -42.2 42.2
NANU e S 436.00 0.50 0.46 437.11 -1.11 1985.5 259 -40.3 40.3
NWAO e P 283.00 0.50 0.51 281.81 1.19 2205.5 226 -45.9 46.8
NWAO e S 487.00 1.00 0.40 490.48 -3.48 2205.5 226 -42.0 41.8
Velocity Ratios
KNA MTN MBL NANU MRWA BAL
KNA 1.73 1.76 1.75 1.75 1.77 1.76
0.01 0.12 0.02 0.01 0.01 0.02
MTN 1.76 1.74 1.75 1.75 1.77 1.76
0.12 0.01 0.02 0.01 0.02 0.02
MBL 1.75 1.75 1.74 1.75 1.79 1.78
0.02 0.02 0.00 0.03 0.03 0.05
NANU 1.75 1.75 1.75 1.74 1.94 0.00
0.01 0.01 0.03 0.00 0.18 0.00
MRWA 1.77 1.77 1.79 1.94 1.76 0.00
0.01 0.02 0.03 0.18 0.01 0.00
BAL 1.76 1.76 1.78 0.00 0.00 1.75
0.02 0.02 0.05 0.00 0.00 0.01
Start
Date 1992-04-17
Origin Time 1532 44.37 +- 1.06
Zone 50
Easting 573.08 +- 5.59 Longitude 117.764
Northing 6587.57 +- 4.00 Latitude -30.843
Depth 5.00 +- 8.13 N
Arrival times = 9 S.D. = 0.279 Seismographs = 6
Nearest recorder = 83.0 km Gap = 135.4 deg Accuracy = B
Effects Code = Imax = 0 Fault =
9 km W (248 deg) of BENC
WESTERN AUSTRALIA
220 km NE ( 57 deg) of PERTH
9 km W (253 deg) of Bencubbin
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.6
PHASE INFORMATION
DATA USED
BAL i+P 61.40 0.10 1.26 61.46 -0.06 104.6 284 2.9 2.9
BAL e S 73.30 0.20 0.69 73.30 0.00 104.6 284 2.9 2.9
COOL e S 123.00 0.50 0.52 123.35 -0.35 323.5 91 -40.3 40.3
COOL e SG 131.30 0.50 0.52 133.75 -2.45 323.5 91 1.0 1.0
KLB e P 58.30 0.20 0.78 57.95 0.35 83.0 180 3.7 3.7
KLB e S 67.30 0.20 0.70 67.36 -0.06 83.0 180 3.7 3.7
MRWA e P 83.00 0.50 0.59 80.48 2.52 247.9 316 -42.2 42.2
MRWA e S 107.50 0.50 0.53 107.41 0.09 247.9 316 -40.3 40.3
MUN e P 74.50 0.50 0.60 73.97 0.53 194.2 229 -42.2 42.2
MUN e S 95.70 0.30 0.60 96.09 -0.39 194.2 229 -40.3 40.3
NWAO e SG 109.40 0.50 0.53 109.69 -0.29 236.4 192 1.3 1.3
Velocity Ratios
KLB BAL MUN
KLB 1.65 0.00 1.75
0.04 0.00 0.11
BAL 0.00 1.70 1.71
0.00 0.02 0.12
MUN 1.75 1.71 1.70
0.11 0.12 0.04
Start
Date 1992-04-17
Origin Time 1549 47.92 +- 8.57
Zone 50
Easting 477.23 +- 27.91 Longitude 116.775
Northing 7298.51 +- 13.66 Latitude -24.427
Depth 5.00 +- 64.26 N
Arrival times = 8 S.D. = 0.818 Seismographs = 5
Nearest recorder = 245.7 km Gap = 139.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
118 km S (192 deg) of LP06
WESTERN AUSTRALIA
839 km N ( 6 deg) of PERTH
318 km E ( 82 deg) of CARNARVON
79 km N (351 deg) of Landor
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
PHASE INFORMATION
DATA USED
BAL e P 137.00 0.50 0.53 136.83 0.17 684.6 180 -42.2 42.2
BAL e S 205.00 1.00 0.42 202.89 2.11 684.6 180 -40.3 40.3
COOL e P 154.50 0.50 0.52 155.07 -0.57 835.3 150 -42.2 42.2
COOL e S 236.00 1.00 0.41 234.65 1.35 835.3 150 -40.3 40.3
KLB e S 232.00 1.00 0.41 227.10 4.90 799.6 173 -40.3 40.3
MBL w P 118.50 0.30 0.63 111.95 6.55 478.9 41 -42.2 42.2
MBL e S 159.60 0.50 0.50 159.57 0.03 478.9 41 -40.3 40.3
MBL e SG 182.50 0.50 0.50 180.23 2.27 478.9 41 0.6 0.6
MRWA e P 119.00 0.30 0.61 118.90 0.10 536.3 188 -42.2 42.2
MRWA e S 171.50 0.50 0.49 171.67 -0.17 536.3 188 -40.3 40.3
MUN e S 238.00 1.00 0.41 235.27 2.73 838.4 183 -40.3 40.3
NANU i+P 82.90 0.10 1.16 83.73 -0.83 245.7 327 -42.2 42.2
NANU e S 111.50 0.50 0.53 110.45 1.05 245.7 327 -40.3 40.3
NWAO e SG 302.70 1.00 0.40 308.36 -5.66 942.8 177 0.3 0.3
Velocity Ratios
NANU MRWA COOL
NANU 1.82 1.66 1.74
0.02 0.05 0.04
MRWA 1.66 1.74 1.82
0.05 0.01 0.09
COOL 1.74 1.82 1.76
0.04 0.09 0.02
Start
Date 1992-04-23
Origin Time 1607 46.89 +- 0.90
Zone 50
Easting 482.12 +- 8.07 Longitude 116.813
Northing 6566.31 +- 4.49 Latitude -31.037
Depth 1.00 +- 16.14 G
Arrival times = 7 S.D. = 0.232 Seismographs = 4
Nearest recorder = 48.7 km Gap = 136.7 deg Accuracy = A
Effects Code = Imax = 0 Fault =
16 km W (259 deg) of DOW
WESTERN AUSTRALIA
136 km NE ( 42 deg) of PERTH
28 km NW (311 deg) of Dowerin
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.5
PHASE INFORMATION
DATA USED
BAL e P 54.80 0.20 0.81 54.84 -0.04 48.7 348 1.5 1.5
BAL e S 60.20 0.10 0.84 60.35 -0.15 48.7 348 1.5 1.5
KLB e P 64.80 0.20 0.76 64.69 0.11 109.1 124 0.7 0.7
KLB e S 77.00 0.30 0.63 77.04 -0.04 109.1 124 0.7 0.7
MRWA w P 78.00 2.00 0.60 79.61 -1.61 216.3 338 -42.2 42.2
MRWA e S 104.40 0.20 0.65 103.99 0.41 216.3 338 -40.3 40.3
MUN e P 66.00 0.20 0.76 66.32 -0.32 119.1 208 0.6 0.6
MUN e S 80.00 0.20 0.68 79.79 0.21 119.1 208 0.6 0.6
Velocity Ratios
BAL KLB MUN
BAL 1.68 1.68 1.77
0.06 0.11 0.09
KLB 1.68 1.68 0.00
0.11 0.04 0.00
MUN 1.77 0.00 1.73
0.09 0.00 0.03
Start
Date 1992-04-24
Origin Time 0934 5.99 +- 41.09
Zone 50
Easting 508.16 +- 245.89 Longitude 117.084
Northing 6708.58 +- 112.27 Latitude -29.753
Depth 5.00 +- 240.97 N
Arrival times = 6 S.D. = 0.975 Seismographs = 3
Nearest recorder = 101.4 km Gap = 223.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
42 km NW (323 deg) of KOO3
WESTERN AUSTRALIA
271 km NE ( 26 deg) of PERTH
6 km W (267 deg) of Mt Gibson Mine
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL e P 21.50 0.50 0.64 22.54 -1.04 101.4 200 3.0 3.0
BAL e S 34.00 0.30 0.64 34.02 -0.02 101.4 200 3.0 3.0
KLB e P 38.00 0.50 0.60 37.96 0.04 213.8 162 -42.2 42.2
KLB e S 63.20 0.30 0.60 61.83 1.37 213.8 162 -40.3 40.3
MRWA i+P 25.20 0.20 1.08 25.72 -0.52 121.0 299 -30.8 30.8
MRWA e S 41.00 0.40 0.59 39.45 1.55 121.0 299 2.5 2.5
MUN e SG 73.00 2.00 0.40 77.95 -4.95 260.5 198 1.2 1.2
Velocity Ratios
BAL MRWA KLB
BAL 1.81 0.00 1.77
0.08 0.00 0.15
MRWA 0.00 1.82 1.73
0.00 0.04 0.16
KLB 1.77 1.73 1.79
0.15 0.16 0.04
Start
Date 1992-04-24
Origin Time 1723 16.68 +- 2.80
Zone 50
Easting 667.04 +- 11.49 Longitude 118.795
Northing 6307.29 +- 11.25 Latitude -33.361
Depth 1.00 +- 25.32 G
Arrival times = 9 S.D. = 0.437 Seismographs = 5
Nearest recorder = 153.4 km Gap = 190.9 deg Accuracy = B
Effects Code = Imax = 0 Fault =
24 km NE ( 44 deg) of PIN
WESTERN AUSTRALIA
317 km SE (120 deg) of PERTH
201 km NE ( 25 deg) of ALBANY
42 km SE (134 deg) of Lake Grace
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.3
PHASE INFORMATION
DATA USED
BAL e S 103.50 0.50 0.51 104.75 -1.25 363.5 326 -40.3 40.3
COOL w P 65.00 2.00 0.44 65.97 -0.97 353.2 39 -42.2 42.2
COOL e PG 74.00 0.50 0.57 74.30 -0.30 353.2 39 0.2 0.2
COOL w S 104.00 2.00 0.40 102.63 1.37 353.2 39 -40.3 40.3
COOL e SG 114.50 0.50 0.51 114.25 0.25 353.2 39 0.2 0.2
KLB i-P 50.20 0.20 1.02 49.71 0.49 218.9 333 -42.2 42.2
KLB e S 75.90 0.20 0.64 74.32 1.58 218.9 333 -40.3 40.3
MRWA e S 142.00 1.00 0.43 139.98 2.02 530.8 329 -40.3 40.3
MUN e P 60.00 1.00 0.51 57.93 2.07 286.9 301 -42.2 42.2
MUN e S 89.00 1.00 0.46 88.63 0.37 286.9 301 -40.3 40.3
NWAO e P 41.00 0.10 0.85 41.29 -0.29 153.4 287 -30.8 30.8
NWAO e S 58.60 0.20 0.67 59.07 -0.47 153.4 287 0.5 0.5
RKG i+P 48.70 0.10 1.18 48.94 -0.24 212.6 230 -42.2 42.2
RKG i S 73.30 0.10 1.06 72.98 0.32 212.6 230 -40.3 40.3
Velocity Ratios
NWAO RKG
NWAO 1.72 1.91
0.02 0.09
RKG 1.91 1.77
0.09 0.01
Start
Date 1992-04-25
Origin Time 0122 31.56 +- 1.18
Zone 50
Easting 514.43 +- 6.10 Longitude 117.151
Northing 6600.13 +- 6.63 Latitude -30.732
Depth 1.00 +- 12.09 G
Arrival times = 8 S.D. = 0.238 Seismographs = 4
Nearest recorder = 44.7 km Gap = 182.7 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km N (358 deg) of CAA
WESTERN AUSTRALIA
183 km NE ( 43 deg) of PERTH
5 km NE ( 25 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.8
PHASE INFORMATION
DATA USED
BAL e P 38.50 0.20 0.82 38.86 -0.36 44.7 287 1.7 1.7
BAL e S 44.00 0.30 0.68 43.92 0.08 44.7 287 1.7 1.7
KLB e P 49.50 0.30 0.70 49.77 -0.27 111.6 148 0.7 0.7
KLB e S 62.50 0.30 0.63 62.40 0.10 111.6 148 0.7 0.7
MRWA e P 62.80 0.20 0.72 62.47 0.33 201.3 326 -42.2 42.2
MRWA i S 85.50 0.10 1.07 85.50 -0.00 201.3 326 -40.3 40.3
MUN e P 58.00 0.30 0.68 57.75 0.25 164.7 212 -30.8 30.8
MUN e S 77.10 0.20 0.66 77.06 0.04 164.7 212 0.4 0.4
Velocity Ratios
BAL KLB MUN MRWA
BAL 1.79 1.68 1.70 1.71
0.10 0.14 0.07 0.05
KLB 1.68 1.72 1.72 1.73
0.14 0.05 0.19 0.10
MUN 1.70 1.72 1.72 0.00
0.07 0.19 0.03 0.00
MRWA 1.71 1.73 0.00 1.73
0.05 0.10 0.00 0.01
Start
Date 1992-04-25
Origin Time 2102 19.78 +- 1.68
Zone 50
Easting 504.56 +- 18.75 Longitude 117.048
Northing 6584.17 +- 13.56 Latitude -30.876
Depth 1.00 +- 71.71 G
Arrival times = 6 S.D. = 0.128 Seismographs = 3
Nearest recorder = 44.2 km Gap = 187.4 deg Accuracy = A
Effects Code = Imax = 0 Fault =
10 km SW (227 deg) of CAS
WESTERN AUSTRALIA
165 km NE ( 44 deg) of PERTH
6 km SW (240 deg) of Manmanning
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.8
PHASE INFORMATION
DATA USED
BAL i-P 27.00 0.10 1.35 27.00 0.00 44.2 312 1.7 1.7
BAL e S 32.00 0.20 0.74 32.00 0.00 44.2 312 1.7 1.7
KLB e P 36.60 0.30 0.71 36.82 -0.22 104.4 139 0.7 0.7
KLB e S 48.80 0.30 0.64 48.63 0.17 104.4 139 0.7 0.7
MRWA e P 52.50 0.50 0.51 51.71 0.79 209.8 330 -42.2 42.2
MRWA i S 76.20 0.20 0.92 75.50 0.70 209.8 330 -40.3 40.3
MRWA i SG 76.20 0.20 0.92 77.74 -1.54 209.8 330 0.4 0.4
MUN e P 43.50 0.50 0.62 43.34 0.16 146.0 212 -30.8 30.8
MUN e S 60.00 0.50 0.56 60.10 -0.10 146.0 212 0.5 0.5
Velocity Ratios
BAL KLB MUN
BAL 1.69 1.75 1.70
0.05 0.13 0.11
KLB 1.75 1.73 0.00
0.13 0.05 0.00
MUN 1.70 0.00 1.70
0.11 0.00 0.06
Start
Date 1992-04-26
Origin Time 0745 27.83 +- 5.19
Zone 50
Easting 592.56 +- 23.08 Longitude 117.936
Northing 6974.20 +- 95.93 Latitude -27.352
Depth 5.00 +- 139.40 N
Arrival times = 8 S.D. = 0.529 Seismographs = 5
Nearest recorder = 280.9 km Gap = 280.3 deg Accuracy = C
Effects Code = Imax = 0 Fault =
281 km NE ( 43 deg) of MRWA
WESTERN AUSTRALIA
548 km N ( 22 deg) of PERTH
102 km SW (213 deg) of MEEKATHARRA
9 km N ( 22 deg) of Cue
Record Dur Sync Unc Resp Seismometer Recorder Pol
MRWA -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL e P 80.00 0.30 0.63 79.89 0.11 379.9 197 -42.2 42.2
COOL e P 94.00 0.20 0.66 94.53 -0.53 500.9 142 -42.2 42.2
COOL e S 140.00 0.50 0.50 144.15 -4.15 500.9 142 -40.3 40.3
KLB e P 91.70 0.50 0.55 90.79 0.91 470.1 182 -42.2 42.2
KLB e S 137.40 0.50 0.50 137.63 -0.23 470.1 182 -40.3 40.3
MRWA i-P 68.00 0.10 1.15 67.91 0.09 280.9 222 -42.2 42.2
MRWA e S 97.00 0.30 0.58 97.80 -0.80 280.9 222 -40.3 40.3
MUN e P 99.00 1.00 0.48 99.13 -0.13 539.2 197 -42.2 42.2
MUN e S 153.00 1.00 0.43 152.16 0.84 539.2 197 -40.3 40.3
Velocity Ratios
MRWA KLB MUN
MRWA 1.72 1.70 1.81
0.01 0.08 0.11
KLB 1.70 1.72 0.00
0.08 0.02 0.00
MUN 1.81 0.00 1.76
0.11 0.00 0.04
Start
Date 1992-04-26
Origin Time 0821 33.97 +- 10.64
Zone 52
Easting 591.83 +- 21.06 Longitude 129.913
Northing 7193.97 +- 40.38 Latitude -25.368
Depth 5.00 +- 85.35 N
Arrival times = 10 S.D. = 1.711 Seismographs = 5
Nearest recorder = 340.1 km Gap = 166.6 deg Accuracy = R
Effects Code = Imax = 0 Fault =
340 km E ( 75 deg) of WARB
NORTHERN TERRITORY
112 km W (269 deg) of AYERS ROCK
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML? 3.0
PHASE INFORMATION
DATA USED
ASPA e P 92.00 0.20 0.67 93.99 -1.99 445.4 65 -42.2 42.2
ASPA e S 140.50 0.50 0.50 138.64 1.86 445.4 65 -40.3 40.3
COOL e P 166.00 0.50 0.51 167.97 -1.97 1057.3 232 -42.2 42.2
COOL e S 268.00 0.50 0.46 267.44 0.56 1057.3 232 -40.3 40.3
MBL e P 177.00 1.00 0.44 177.29 -0.29 1134.7 292 -42.2 42.2
MBL e S 282.00 0.50 0.46 283.67 -1.67 1134.7 292 -40.3 40.3
MTN e P 207.00 1.00 0.44 208.37 -1.37 1391.9 5 -42.2 42.2
MTN e S 340.00 1.00 0.40 337.80 2.20 1391.9 5 -40.3 40.3
WARB i P 82.50 0.10 1.13 81.24 1.26 340.1 253 -42.2 42.2
WARB e S 115.00 0.50 0.52 116.44 -1.44 340.1 253 -40.3 40.3
WARB e SG 125.00 0.50 0.52 127.94 -2.94 340.1 253 0.9 0.9
Velocity Ratios
WARB ASPA COOL MBL MTN
WARB 1.67 2.68 1.83 1.77 1.81
0.01 0.20 0.03 0.03 0.03
ASPA 2.68 1.84 1.72 1.66 1.73
0.20 0.01 0.03 0.04 0.03
COOL 1.83 1.72 1.77 0.00 1.76
0.03 0.03 0.01 0.00 0.10
MBL 1.77 1.66 0.00 1.73 1.93
0.03 0.04 0.00 0.02 0.19
MTN 1.81 1.73 1.76 1.93 1.77
0.03 0.03 0.10 0.19 0.02
Start
Date 1992-04-27
Origin Time 0928 32.82 +- 6.00
Zone 51
Easting 250.44 +- 19.11 Longitude 120.472
Northing 6945.27 +- 34.10 Latitude -27.593
Depth 5.00 +- 37.71 N
Arrival times = 9 S.D. = 1.350 Seismographs = 5
Nearest recorder = 370.5 km Gap = 190.5 deg Accuracy = D
Effects Code = Imax = 0 Fault =
345 km N (343 deg) of KLGR
WESTERN AUSTRALIA
658 km NE ( 44 deg) of PERTH
48 km N (353 deg) of Agnew
Record Dur Sync Unc Resp Seismometer Recorder Pol
COOL -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL e S 148.00 1.00 0.43 148.24 -0.24 496.8 226 -40.3 40.3
BAL e SG 167.00 1.00 0.43 170.06 -3.06 496.8 226 0.6 0.6
COOL e P 84.70 0.30 0.63 83.77 0.93 370.5 170 -42.2 42.2
COOL e S 123.00 1.00 0.44 121.70 1.30 370.5 170 -40.3 40.3
KLB e S 156.00 1.00 0.45 152.26 3.74 515.9 209 -40.3 40.3
MRWA e P 105.00 1.00 0.49 96.40 8.60 475.2 246 -42.2 42.2
MRWA e S 144.30 0.30 0.55 143.70 0.60 475.2 246 -40.3 40.3
MRWA e SG 165.50 0.50 0.50 164.10 1.40 475.2 246 0.6 0.6
MUN e SG 208.00 1.00 0.42 209.24 -1.24 638.6 219 0.5 0.5
WARB e P 115.00 0.50 0.54 115.46 -0.46 632.6 77 -42.2 42.2
WARB e S 176.00 0.50 0.48 176.87 -0.87 632.6 77 -40.3 40.3
Velocity Ratios
COOL WARB
COOL 1.74 1.75
0.03 0.10
WARB 1.75 1.74
0.10 0.02
Start
Date 1992-04-27
Origin Time 2053 3.27 +- 0.66
Zone 50
Easting 525.49 +- 4.31 Longitude 117.270
Northing 6459.47 +- 3.40 Latitude -32.000
Depth 1.00 +- 23.38 G
Arrival times = 8 S.D. = 0.190 Seismographs = 4
Nearest recorder = 64.9 km Gap = 136.2 deg Accuracy = A
Effects Code = Imax = 0 Fault =
11 km W (276 deg) of QUAI
WESTERN AUSTRALIA
134 km E ( 93 deg) of PERTH
35 km NE ( 68 deg) of Beverley
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.1
PHASE INFORMATION
DATA USED
BAL e P 29.40 0.20 0.74 29.29 0.11 163.5 340 -30.8 30.8
BAL e S 48.40 0.20 0.66 48.44 -0.04 163.5 340 0.5 0.5
COOL e S 96.00 0.50 0.51 96.69 -0.69 388.7 72 -40.3 40.3
KLB e P 14.00 0.10 0.91 13.85 0.15 64.9 45 1.1 1.1
KLB e S 21.00 0.30 0.66 21.19 -0.19 64.9 45 1.1 1.1
MRWA e P 50.00 0.50 0.57 49.93 0.07 331.6 338 -42.2 42.2
MRWA e S 84.00 1.00 0.45 84.64 -0.64 331.6 338 -40.3 40.3
MUN e P 19.30 0.20 0.77 19.63 -0.33 100.3 271 0.7 0.7
MUN e S 31.20 0.20 0.69 30.98 0.22 100.3 271 0.7 0.7
NWAO e P 20.00 0.20 0.77 20.03 -0.03 102.7 181 0.7 0.7
NWAO e S 31.70 0.50 0.57 31.65 0.05 102.7 181 0.7 0.7
Velocity Ratios
KLB MUN NWAO BAL
KLB 1.65 0.00 0.00 1.78
0.04 0.00 0.00 0.07
MUN 0.00 1.74 0.00 1.70
0.00 0.03 0.00 0.11
NWAO 0.00 0.00 1.70 1.78
0.00 0.00 0.05 0.16
BAL 1.78 1.70 1.78 1.73
0.07 0.11 0.16 0.02
Start
Date 1992-04-28
Origin Time 2134 19.90 +- 1.13
Zone 50
Easting 449.17 +- 8.42 Longitude 116.485
Northing 6953.78 +- 5.01 Latitude -27.539
Depth 36.50 +- 21.19
Arrival times = 16 S.D. = 0.522 Seismographs = 9
Nearest recorder = 192.1 km Gap = 192.0 deg Accuracy = B
Effects Code = Imax = 0 Fault =
192 km N ( 14 deg) of MRWA
WESTERN AUSTRALIA
493 km N ( 7 deg) of PERTH
147 km NW (293 deg) of Mt Magnet
Record Dur Sync Unc Resp Seismometer Recorder Pol
MRWA -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.2
PHASE INFORMATION
DATA USED
BAL e P 65.00 0.20 0.69 64.44 0.56 340.6 176 -30.3 42.2
BAL e S 96.20 0.30 0.57 97.50 -1.30 340.6 176 -33.5 40.3
COOL e P 93.70 0.20 0.65 94.07 -0.37 585.4 130 -30.3 42.2
COOL e S 149.00 0.30 0.54 149.08 -0.08 585.4 130 -33.5 40.3
KLB e P 80.00 0.20 0.67 79.57 0.43 465.7 165 -30.3 42.2
KLB e S 122.00 0.20 0.60 123.85 -1.85 465.7 165 -33.5 40.3
MBL e P 117.30 0.30 0.58 118.02 -0.72 783.8 26 -30.3 42.2
MBL e S 190.00 1.00 0.41 190.78 -0.78 783.8 26 -33.5 40.3
MRWA i+P 46.60 0.10 1.19 46.49 0.11 192.1 194 -30.3 42.2
MUN e P 83.50 0.30 0.61 82.82 0.68 492.7 183 -30.3 42.2
MUN e S 129.30 0.50 0.50 129.51 -0.21 492.7 183 -33.5 40.3
NWAO e P 96.00 0.50 0.54 95.97 0.03 601.4 173 -30.3 42.2
NWAO e S 151.70 0.50 0.49 152.40 -0.70 601.4 173 -33.5 40.3
RKG e P 118.00 0.50 0.53 117.67 0.33 780.9 176 -30.3 42.2
RKG e S 190.00 0.30 0.53 190.19 -0.19 780.9 176 -33.5 40.3
WARB i-P 147.10 0.10 1.01 147.04 0.06 1023.5 83 -30.3 42.2
WARB e S 242.00 0.30 0.51 241.31 0.69 1023.5 83 -33.5 40.3
Velocity Ratios
BAL MUN COOL NWAO RKG MBL WARB
BAL 1.69 1.79 1.84 1.79 1.77 1.79 1.78
0.01 0.09 0.05 0.07 0.04 0.04 0.01
MUN 1.79 1.72 1.93 0.00 1.76 1.80 1.77
0.09 0.02 0.18 0.00 0.07 0.08 0.02
COOL 1.84 1.93 1.75 0.00 1.69 1.74 1.74
0.05 0.18 0.01 0.00 0.08 0.09 0.02
NWAO 1.79 0.00 0.00 1.73 1.74 1.80 1.77
0.07 0.00 0.00 0.02 0.12 0.14 0.04
RKG 1.77 1.76 1.69 1.74 1.73 0.00 1.79
0.04 0.07 0.08 0.12 0.01 0.00 0.06
MBL 1.79 1.80 1.74 1.80 0.00 1.75 1.74
0.04 0.08 0.09 0.14 0.00 0.02 0.07
WARB 1.78 1.77 1.74 1.77 1.79 1.74 1.75
0.01 0.02 0.02 0.04 0.06 0.07 0.00
Start
Date 1992-05-02
Origin Time 1343 55.57 +- 0.67
Zone 50
Easting 502.19 +- 3.86 Longitude 117.023
Northing 6495.11 +- 6.29 Latitude -31.679
Depth 5.00 +- 22.91 N
Arrival times = 7 S.D. = 0.149 Seismographs = 4
Nearest recorder = 70.6 km Gap = 164.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
33 km NE ( 45 deg) of YORK
WESTERN AUSTRALIA
115 km E ( 75 deg) of PERTH
6 km S (167 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML? 1.5
PHASE INFORMATION
DATA USED
BAL e P 75.40 0.20 0.75 75.53 -0.13 122.6 345 -30.8 30.8
BAL e S 89.50 0.30 0.63 89.47 0.03 122.6 345 2.5 2.5
KLB i+P 67.10 0.10 1.30 67.11 -0.01 70.6 82 4.3 4.3
KLB e S 75.20 0.20 0.71 75.11 0.09 70.6 82 4.3 4.3
MRWA e S2 133.00 0.50 0.29 132.53 0.47 290.0 339 -23.9 23.9
MUN e P 69.10 0.20 0.78 69.28 -0.18 83.9 246 3.6 3.6
MUN e S 79.00 0.20 0.70 78.80 0.20 83.9 246 3.6 3.6
Velocity Ratios
KLB MUN BAL
KLB 1.70 0.00 1.72
0.03 0.00 0.13
MUN 0.00 1.73 1.67
0.00 0.04 0.20
BAL 1.72 1.67 1.71
0.13 0.20 0.03
Start
Date 1992-05-04
Origin Time 2133 11.50 +- 0.73
Zone 50
Easting 525.87 +- 4.23 Longitude 117.274
Northing 6459.69 +- 5.05 Latitude -31.998
Depth 1.10 +- 6.63
Arrival times = 8 S.D. = 0.171 Seismographs = 5
Nearest recorder = 1.5 km Gap = 88.9 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km W (276 deg) of QUA
WESTERN AUSTRALIA
135 km E ( 93 deg) of PERTH
35 km NE ( 68 deg) of Beverley
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.0
PHASE INFORMATION
DATA USED
BAL e P 37.50 0.50 0.61 37.50 0.00 163.4 340 -30.8 30.8
BAL e S2 57.00 0.50 0.31 56.93 0.07 163.4 340 -23.9 23.9
KLB e P 22.40 0.30 0.73 22.01 0.39 64.4 45 1.2 1.2
KLB e S 29.00 0.30 0.66 29.30 -0.30 64.4 45 1.2 1.2
MUN e P 27.90 0.30 0.71 27.92 -0.02 100.7 270 0.8 0.8
MUN e S 40.00 0.30 0.64 39.31 0.69 100.7 270 0.8 0.8
NWAO e P 28.30 0.20 0.77 28.29 0.01 103.0 182 0.8 0.8
NWAO e S 40.30 0.20 0.69 39.94 0.36 103.0 182 0.8 0.8
QUA S-P 0.20 0.05 1.97 0.24 -0.04 1.5 96 0.0 0.0
QUA P 11.70 0.20 1.49 11.84 -0.14 1.5 96 42.5 42.5
RKG e P 50.00 2.00 0.44 52.64 -2.64 286.1 184 -42.2 42.2
RKG e S 86.00 2.00 0.40 83.27 2.73 286.1 184 -40.3 40.3
Velocity Ratios
KLB
KLB 1.61
0.07
Start
Date 1992-05-04
Origin Time 2133 11.54 +- 1.68
Zone 50
Easting 524.77 +- 21.02 Longitude 117.262
Northing 6459.19 +- 18.09 Latitude -32.003
Depth 0.72 +- 21.51
Arrival times = 6 S.D. = 0.088 Seismographs = 5
Nearest recorder = 0.9 km Gap = 109.7 deg Accuracy = A
Effects Code = Imax = 0 Fault =
0 km W (251 deg) of QUA
WESTERN AUSTRALIA
134 km E ( 93 deg) of PERTH
34 km NE ( 68 deg) of Beverley
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.0
PHASE INFORMATION
DATA USED
BAL e P 37.50 0.50 0.61 37.59 -0.09 163.5 341 -30.8 30.8
BAL e S2 57.00 0.50 0.31 57.05 -0.05 163.5 341 -23.9 23.9
KLB e P 22.40 0.30 0.73 22.24 0.16 65.6 45 0.9 0.9
KLB e S 29.00 0.30 0.66 29.65 -0.65 65.6 45 0.9 0.9
MUN e P 27.90 0.30 0.71 27.79 0.11 99.6 271 0.6 0.6
MUN e S 40.00 0.30 0.64 39.06 0.94 99.6 271 0.6 0.6
NWAO e P 28.30 0.20 0.77 28.25 0.05 102.4 181 0.6 0.6
NWAO e S 40.30 0.20 0.69 39.83 0.47 102.4 181 0.6 0.6
QUA S-P 0.20 0.05 1.93 0.16 0.04 0.9 71 0.0 0.0
QUA P 11.70 0.20 1.47 11.77 -0.07 0.9 71 47.8 47.8
RKG e P 50.00 2.00 0.44 52.66 -2.66 285.5 184 -42.2 42.2
RKG e S 86.00 2.00 0.40 83.26 2.74 285.5 184 -40.3 40.3
NO VELOCITY RATIOS
Start
Date 1992-05-05
Origin Time 0856 37.09 +- 17.54
Zone 51
Easting 183.31 +- 36.20 Longitude 119.637
Northing 6422.21 +- 106.63 Latitude -32.292
Depth 5.00 +- 82.85 N
Arrival times = 6 S.D. = 0.821 Seismographs = 3
Nearest recorder = 194.1 km Gap = 250.5 deg Accuracy = D
Effects Code = Imax = 0 Fault =
145 km E ( 73 deg) of KULI
WESTERN AUSTRALIA
359 km E ( 97 deg) of PERTH
Record Dur Sync Unc Resp Seismometer Recorder Pol
KLB -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
COOL e P 68.60 0.30 0.66 68.86 -0.26 211.9 42 -42.2 42.2
COOL e S 93.00 0.30 0.60 92.58 0.42 211.9 42 -40.3 40.3
KLB e P 66.00 0.30 0.67 66.68 -0.68 194.1 293 -42.2 42.2
KLB e S 90.00 0.30 0.60 88.78 1.22 194.1 293 -40.3 40.3
MRWA e P 116.00 1.00 0.48 102.32 13.68 488.9 313 -42.2 42.2
MRWA e S 151.00 1.00 0.43 150.84 0.16 488.9 313 -40.3 40.3
MRWA e SG 171.00 1.00 0.43 172.14 -1.14 488.9 313 0.6 0.6
Velocity Ratios
KLB COOL
KLB 1.83 0.00
0.03 0.00
COOL 0.00 1.77
0.00 0.03
Start
Date 1992-05-07
Origin Time 2200 0.13 +- 1.54
Zone 50
Easting 624.52 +- 10.65 Longitude 118.308
Northing 6540.50 +- 34.04 Latitude -31.263
Depth 5.00 +- 39.41 N
Arrival times = 7 S.D. = 0.260 Seismographs = 4
Nearest recorder = 63.6 km Gap = 152.9 deg Accuracy = B
Effects Code = Imax = 0 Fault =
39 km S (166 deg) of MUKI
WESTERN AUSTRALIA
245 km E ( 73 deg) of PERTH
24 km N ( 9 deg) of Merredin
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.7
PHASE INFORMATION
DATA USED
BAL e P 27.00 0.20 0.73 26.64 0.36 169.4 295 -30.8 30.8
BAL e S 46.40 0.20 0.66 46.63 -0.23 169.4 295 -40.3 40.3
COOL w SG 75.80 0.50 0.54 75.87 -0.07 274.1 81 1.1 1.1
KLB e P 10.50 0.20 0.80 10.54 -0.04 63.6 234 4.8 4.8
KLB e S 18.00 0.30 0.66 17.75 0.25 63.6 234 4.8 4.8
MUN e P 32.00 0.50 0.60 32.16 -0.16 214.3 247 -42.2 42.2
MUN e SG 59.00 0.50 0.54 59.36 -0.36 214.3 247 1.4 1.4
Velocity Ratios
KLB BAL
KLB 1.72 1.72
0.06 0.07
BAL 1.72 1.72
0.07 0.02
Start
Date 1992-05-11
Origin Time 1722 46.95 +- 1.14
Zone 50
Easting 509.63 +- 7.66 Longitude 117.101
Northing 6596.32 +- 7.85 Latitude -30.766
Depth 1.00 +- 18.46 C
Arrival times = 7 S.D. = 0.159 Seismographs = 4
Nearest recorder = 41.7 km Gap = 177.8 deg Accuracy = A
Effects Code = Imax = 0 Fault =
3 km W (275 deg) of CADX
WESTERN AUSTRALIA
177 km NE ( 43 deg) of PERTH
3 km W (279 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML? 1.5
PHASE INFORMATION
DATA USED
BAL e P 53.70 0.30 0.76 53.75 -0.05 41.7 295 1.8 1.8
BAL e S 58.30 0.20 0.74 58.47 -0.17 41.7 295 1.8 1.8
KLB e P 65.00 0.20 0.76 65.06 -0.06 111.0 145 0.7 0.7
KLB e S 77.50 0.50 0.57 77.62 -0.12 111.0 145 0.7 0.7
MRWA e P 78.20 0.20 0.72 77.93 0.27 201.9 328 -42.2 42.2
MRWA e S 101.00 0.30 0.60 101.02 -0.02 201.9 328 -40.3 40.3
MUN e S 91.00 0.20 0.66 90.86 0.14 158.9 211 0.5 0.5
Velocity Ratios
BAL KLB MRWA
BAL 1.68 1.70 1.74
0.11 0.14 0.06
KLB 1.70 1.69 1.78
0.14 0.05 0.12
MRWA 1.74 1.78 1.73
0.06 0.12 0.02
Start
Date 1992-05-12
Origin Time 0723 39.01 +- 1.49
Zone 50
Easting 479.29 +- 11.17 Longitude 116.784
Northing 6623.58 +- 6.21 Latitude -30.520
Depth 1.00 +- 38.51 C
Arrival times = 7 S.D. = 0.195 Seismographs = 4
Nearest recorder = 12.2 km Gap = 170.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
12 km NE ( 37 deg) of BAL
WESTERN AUSTRALIA
182 km NE ( 30 deg) of PERTH
9 km N ( 9 deg) of Ballidu
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML? 1.9
PHASE INFORMATION
DATA USED
BAL i-P 41.10 0.10 1.48 41.00 0.10 12.2 217 6.1 6.1
KLB e P 63.50 0.30 0.68 63.27 0.23 150.9 142 -30.8 30.8
KLB e S 80.50 0.30 0.61 80.70 -0.20 150.9 142 0.5 0.5
MRWA e P 65.10 0.20 0.74 64.97 0.13 163.1 332 -30.8 30.8
MRWA e S 83.80 0.20 0.66 84.07 -0.27 163.1 332 0.5 0.5
MUN e PG 66.70 0.20 0.73 66.85 -0.15 170.7 198 0.4 0.4
MUN e S 85.90 0.20 0.66 86.16 -0.26 170.7 198 0.4 0.4
Velocity Ratios
KLB MRWA
KLB 1.69 0.00
0.03 0.00
MRWA 0.00 1.72
0.00 0.02
Start
Date 1992-05-14
Origin Time 0002 57.79 +- 178.62
Zone 49
Easting 681.72 +-1083.22 Longitude 112.801
Northing 7227.63 +- 220.72 Latitude -25.056
Depth 5.00 +- 420.47 N
Arrival times = 5 S.D. = 0.984 Seismographs = 2
Nearest recorder = 391.5 km Gap = 258.7 deg Accuracy = D
Effects Code = Imax = 0 Fault =
196 km NW (310 deg) of LP01
WESTERN AUSTRALIA
820 km NW (338 deg) of PERTH
90 km W (257 deg) of CARNARVON
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.3
PHASE INFORMATION
DATA USED
MRWA e S 188.00 1.00 0.43 186.52 1.48 560.0 146 -40.3 40.3
MRWA e SG 211.00 2.00 0.37 212.49 -1.49 560.0 146 0.5 0.5
NANU e P 111.00 0.50 0.56 111.23 -0.23 391.5 45 -42.2 42.2
NANU e S 151.00 1.00 0.44 151.01 -0.01 391.5 45 -40.3 40.3
NANU e SG 166.50 1.00 0.44 165.94 0.56 391.5 45 0.7 0.7
Velocity Ratios
NANU
NANU 1.75
0.04
Start
Date 1992-05-14
Origin Time 0132 36.61 +- 3.30
Zone 51
Easting 425.59 +- 12.35 Longitude 122.210
Northing 6424.99 +- 22.05 Latitude -32.309
Depth 5.00 +- 28.67 N
Arrival times = 11 S.D. = 0.376 Seismographs = 6
Nearest recorder = 187.6 km Gap = 226.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
108 km S (163 deg) of KMBL
WESTERN AUSTRALIA
601 km E ( 95 deg) of PERTH
42 km E (107 deg) of NORSEMAN
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.9
PHASE INFORMATION
DATA USED
BAL e P 108.00 2.00 0.41 110.04 -2.04 556.7 288 -42.2 42.2
BAL e S 165.00 1.00 0.43 164.64 0.36 556.7 288 -40.3 40.3
BAL e SG 190.00 1.00 0.43 190.39 -0.39 556.7 288 0.5 0.5
COOL i-P 65.60 0.10 1.19 65.44 0.16 187.6 327 -42.2 42.2
COOL e S 87.00 0.30 0.60 86.98 0.02 187.6 327 -40.3 40.3
KLB w P 94.00 2.00 0.43 94.54 -0.54 428.4 279 -42.2 42.2
KLB e S 137.00 0.50 0.50 137.64 -0.64 428.4 279 -40.3 40.3
MRWA e P 127.00 0.50 0.53 125.87 1.13 687.5 298 -42.2 42.2
MRWA e S 194.00 0.50 0.48 192.19 1.81 687.5 298 -40.3 40.3
MRWA e SG 225.00 0.50 0.48 226.54 -1.54 687.5 298 0.4 0.4
MUN e P 111.80 0.30 0.60 111.43 0.37 568.2 272 -42.2 42.2
MUN e S 167.00 1.00 0.43 167.05 -0.05 568.2 272 -40.3 40.3
MUN e SG 192.50 0.30 0.54 193.57 -1.07 568.2 272 0.5 0.5
NWAO w P 100.00 2.00 0.43 99.85 0.15 472.4 260 -42.2 42.2
NWAO e S 147.00 0.50 0.50 146.90 0.10 472.4 260 -40.3 40.3
NWAO e SG 163.00 2.00 0.38 167.13 -4.13 472.4 260 0.6 0.6
RKG e P 105.00 2.00 0.31 108.64 -3.64 545.0 241 -42.2 42.2
RKG e S 158.80 0.50 0.42 162.19 -3.39 545.0 241 -40.3 40.3
RKG e S2 180.00 0.50 0.23 177.98 2.02 545.0 241 -23.9 23.9
WARB e P 139.30 0.50 0.53 139.97 -0.67 804.0 33 -42.2 42.2
WARB e S 221.00 2.00 0.36 216.74 4.26 804.0 33 -40.3 40.3
WARB e SG 255.00 2.00 0.36 258.72 -3.72 804.0 33 0.4 0.4
Velocity Ratios
COOL KLB NWAO MUN
COOL 1.74 1.76 1.74 1.73
0.02 0.17 0.14 0.04
KLB 1.76 1.75 0.00 0.00
0.17 0.07 0.00 0.00
NWAO 1.74 0.00 1.74 0.00
0.14 0.00 0.06 0.00
MUN 1.73 0.00 0.00 1.73
0.04 0.00 0.00 0.02
Start
Date 1992-05-14
Origin Time 0146 39.18 +- 14.77
Zone 51
Easting 426.79 +- 37.18 Longitude 122.221
Northing 6406.43 +- 48.91 Latitude -32.477
Depth 5.00 +- 36.41 N
Arrival times = 8 S.D. = 1.258 Seismographs = 6
Nearest recorder = 204.0 km Gap = 241.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
126 km S (165 deg) of KMBL
WESTERN AUSTRALIA
603 km E ( 97 deg) of PERTH
52 km SE (127 deg) of NORSEMAN
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.4
PHASE INFORMATION
DATA USED
BAL e S 168.00 1.00 0.43 168.71 -0.71 563.8 290 -40.3 40.3
BAL e SG 195.00 1.00 0.43 194.94 0.06 563.8 290 0.5 0.5
COOL e P 69.00 0.30 0.67 69.98 -0.98 204.0 329 -42.2 42.2
COOL e S 91.00 0.50 0.54 92.99 -1.99 204.0 329 -40.3 40.3
COOL e SG 96.30 0.30 0.60 95.55 0.75 204.0 329 1.5 1.5
KLB e S 141.00 1.00 0.44 141.16 -0.16 432.9 281 -40.3 40.3
KLB e SG 161.50 0.50 0.50 158.78 2.72 432.9 281 0.7 0.7
MRWA e S 197.50 0.50 0.48 196.85 0.65 697.5 299 -40.3 40.3
MRWA e SG 228.00 0.50 0.48 231.86 -3.86 697.5 299 0.4 0.4
MUN e SG 197.70 0.50 0.49 196.70 1.00 570.2 273 0.5 0.5
WARB w P 143.00 5.00 0.34 144.34 -1.34 819.0 32 -42.2 42.2
WARB e S 224.50 1.00 0.41 222.46 2.04 819.0 32 -40.3 40.3
WARB e SG 259.00 2.00 0.36 265.42 -6.42 819.0 32 0.4 0.4
Velocity Ratios
COOL
COOL 1.74
0.03
Start
Date 1992-05-19
Origin Time 2036 3.61 +- 0.70
Zone 50
Easting 505.12 +- 7.14 Longitude 117.054
Northing 6583.98 +- 5.45 Latitude -30.877
Depth 3.04 +- 17.94
Arrival times = 8 S.D. = 0.177 Seismographs = 4
Nearest recorder = 44.7 km Gap = 169.1 deg Accuracy = A
Effects Code = Imax = 0 Fault =
10 km SW (225 deg) of CAS
WESTERN AUSTRALIA
165 km NE ( 44 deg) of PERTH
5 km SW (236 deg) of Manmanning
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML? 1.8
PHASE INFORMATION
DATA USED
BAL e P 10.90 0.10 0.94 10.93 -0.03 44.7 312 4.3 4.3
BAL e S 16.00 0.10 0.85 16.01 -0.01 44.7 312 4.3 4.3
KLB e P 20.80 0.20 0.77 20.57 0.23 103.9 139 1.8 1.8
KLB e S 32.10 0.20 0.69 32.33 -0.23 103.9 139 1.8 1.8
MRWA e P2 36.30 0.20 0.43 36.01 0.29 210.2 330 -30.8 30.8
MRWA e S2 60.20 0.50 0.30 60.65 -0.45 210.2 330 -23.9 23.9
MUN e P 27.00 0.50 0.62 27.02 -0.02 146.1 213 -30.8 30.8
MUN e S 44.00 0.50 0.56 43.98 0.02 146.1 213 1.3 1.3
Velocity Ratios
BAL KLB MUN
BAL 1.70 1.63 1.74
0.04 0.08 0.11
KLB 1.63 1.66 0.00
0.08 0.03 0.00
MUN 1.74 0.00 1.73
0.11 0.00 0.06
Start
Date 1992-05-25
Origin Time 1330 24.73 +- 313.22
Zone 51
Easting 252.14 +- 581.42 Longitude 120.629
Northing 7770.77 +-1246.88 Latitude -20.144
Depth 5.00 +-1323.19 N
Arrival times = 5 S.D. = 0.633 Seismographs = 3
Nearest recorder = 139.8 km Gap = 256.3 deg Accuracy = D
Effects Code = Imax = 0 Fault =
139 km NE ( 36 deg) of MBL
WESTERN AUSTRALIA
215 km E ( 86 deg) of PORT HEDLAND
146 km NE ( 39 deg) of Marble Bar
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
PHASE INFORMATION
DATA USED
MBL e P 46.50 0.20 0.75 47.09 -0.59 139.8 216 -30.8 30.8
MBL e S 63.40 0.20 0.67 63.38 0.02 139.8 216 2.1 2.1
NANU w P 103.00 2.00 0.42 102.95 0.05 596.5 242 -42.2 42.2
NANU e S 162.00 2.00 0.37 161.11 0.89 596.5 242 -40.3 40.3
WARB w S 228.00 5.00 0.30 226.94 1.06 908.9 138 -40.3 40.3
Velocity Ratios
MBL NANU
MBL 1.78 1.75
0.03 0.11
NANU 1.75 1.75
0.11 0.07
Start
Date 1992-06-02
Origin Time 0116 10.93 +- 6.72
Zone 52
Easting 392.06 +- 13.99 Longitude 127.954
Northing 7565.10 +- 16.76 Latitude -22.015
Depth 5.00 +- 52.55 N
Arrival times = 9 S.D. = 0.615 Seismographs = 6
Nearest recorder = 480.5 km Gap = 92.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
477 km N ( 17 deg) of WBN
WESTERN AUSTRALIA
96 km NW (310 deg) of LAKE MACKAY
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.2
PHASE INFORMATION
DATA USED
ASPA e P 94.00 0.50 0.54 94.21 -0.21 637.9 108 -42.2 42.2
ASPA e S 156.00 1.00 0.42 156.11 -0.11 637.9 108 -40.3 40.3
FORT e P 133.70 0.30 0.57 134.68 -0.98 973.0 179 -42.2 42.2
FORT e S 227.00 1.00 0.40 226.58 0.42 973.0 179 -40.3 40.3
KNA e P 102.00 0.30 0.59 101.50 0.50 698.5 7 -42.2 42.2
KNA e S 171.70 0.50 0.48 168.80 2.90 698.5 7 -40.3 40.3
MBL e P 119.00 0.30 0.58 119.75 -0.75 849.4 274 -42.2 42.2
MBL e S 201.00 1.00 0.41 200.57 0.43 849.4 274 -40.3 40.3
MRWA e P 189.00 1.00 0.44 192.42 -3.42 1450.4 233 -42.2 42.2
MRWA e S 323.00 0.30 0.51 327.10 -4.10 1450.4 233 -40.3 40.3
MTN e P 146.00 0.20 0.61 146.28 -0.28 1069.0 18 -42.2 42.2
MTN e S 250.00 1.00 0.40 246.77 3.23 1069.0 18 -40.3 40.3
NANU e P 172.00 0.30 0.56 173.62 -1.62 1295.1 265 -42.2 42.2
NANU e S 295.00 1.00 0.40 294.38 0.62 1295.1 265 -40.3 40.3
WARB e P 75.70 0.30 0.61 75.17 0.53 480.5 195 -42.2 42.2
WARB e S 125.00 0.50 0.50 122.96 2.04 480.5 195 -40.3 40.3
WB2 e P 97.50 1.00 0.46 102.20 -4.70 704.1 72 -42.2 42.2
WB2 e S 170.00 1.00 0.42 170.02 -0.02 704.1 72 -40.3 40.3
Velocity Ratios
ASPA MBL FORT
ASPA 1.75 1.80 1.79
0.02 0.14 0.09
MBL 1.80 1.76 0.00
0.14 0.01 0.00
FORT 1.79 0.00 1.76
0.09 0.00 0.01
Start
Date 1992-06-04
Origin Time 0532 15.45 +- 0.62
Zone 50
Easting 503.29 +- 3.87 Longitude 117.035
Northing 6496.03 +- 5.15 Latitude -31.671
Depth 5.00 +- 16.13 N
Arrival times = 7 S.D. = 0.073 Seismographs = 4
Nearest recorder = 35.3 km Gap = 163.3 deg Accuracy = A
Effects Code = Imax = 0 Fault =
35 km NE ( 46 deg) of YORK
WESTERN AUSTRALIA
116 km E ( 75 deg) of PERTH
5 km SE (153 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.3
PHASE INFORMATION
DATA USED
BAL i+P 35.20 0.10 1.24 35.32 -0.12 122.0 345 -30.8 30.8
BAL i S 49.20 0.20 0.97 49.19 0.01 122.0 345 2.5 2.5
GOO S 25.40 0.30 0.99 25.30 0.10 35.3 330 8.5 8.5
KLB i-P 26.80 0.10 1.30 26.79 0.01 69.3 82 4.4 4.4
KLB i S 34.70 0.20 1.02 34.66 0.04 69.3 82 4.4 4.4
MRWA e S 88.00 1.00 0.46 87.24 0.76 289.5 339 -40.3 40.3
MRWA e SMS 92.80 0.20 0.35 93.00 -0.20 289.5 339 -25.5 25.5
MUN i+P 29.40 0.10 1.28 29.39 0.01 85.3 246 3.5 3.5
MUN e S 39.10 0.30 0.65 39.06 0.04 85.3 246 3.5 3.5
Velocity Ratios
KLB MUN BAL
KLB 1.70 0.00 1.73
0.03 0.00 0.09
MUN 0.00 1.70 1.74
0.00 0.03 0.15
BAL 1.73 1.74 1.71
0.09 0.15 0.02
Start
Date 1992-06-07
Origin Time 2310 45.19 +- 7.01
Zone 50
Easting 483.92 +- 34.27 Longitude 116.835
Northing 6811.76 +- 26.83 Latitude -28.822
Depth 5.00 +- 64.14 N
Arrival times = 7 S.D. = 1.043 Seismographs = 5
Nearest recorder = 92.8 km Gap = 154.8 deg Accuracy = D
Effects Code = Imax = 0 Fault =
92 km NE ( 61 deg) of MRWA
WESTERN AUSTRALIA
359 km N ( 16 deg) of PERTH
130 km SW (230 deg) of Mt Magnet
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL e P 74.50 0.30 0.67 75.28 -0.78 198.2 183 -42.2 42.2
BAL e S 99.00 1.00 0.47 97.75 1.25 198.2 183 -40.3 40.3
KLB e SG 133.00 1.00 0.45 133.50 -0.50 319.6 164 1.0 1.0
MEEK e P 69.00 1.00 0.50 87.46 -18.46 298.8 36 -42.2 42.2
MEEK e S 120.00 1.00 0.45 118.97 1.03 298.8 36 -40.3 40.3
MEEK e SG 120.00 1.00 0.45 127.74 -7.74 298.8 36 1.1 1.1
MRWA e P 59.40 0.20 0.77 60.35 -0.95 92.8 241 3.3 3.3
MRWA e S 72.00 0.50 0.58 70.86 1.14 92.8 241 3.3 3.3
MUN e SG 144.00 1.00 0.45 143.26 0.74 355.0 189 0.8 0.8
Velocity Ratios
MRWA BAL
MRWA 1.89 1.79
0.06 0.16
BAL 1.79 1.84
0.16 0.05
Start
Date 1992-06-13
Origin Time 1805 20.57 +- 10.40
Zone 52
Easting 594.49 +- 10.51 Longitude 129.926
Northing 7400.09 +- 29.58 Latitude -23.507
Depth 5.00 +- 93.84 N
Arrival times = 9 S.D. = 0.618 Seismographs = 9
Nearest recorder = 406.5 km Gap = 167.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
406 km W (271 deg) of ASPA
NORTHERN TERRITORY
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 4.5
PHASE INFORMATION
DATA USED
ASPA i+P 75.80 0.10 1.11 75.88 -0.08 406.5 93 -42.2 42.2
BAL e P 210.50 0.50 0.51 212.30 -1.80 1535.0 236 -42.2 42.2
BAL e S 354.50 0.50 0.46 354.56 -0.06 1535.0 236 -40.3 40.3
COOL i+P 172.10 0.10 1.00 171.19 0.91 1194.8 224 -42.2 42.2
COOL e S 287.00 0.30 0.51 282.99 4.01 1194.8 224 -40.3 40.3
KLB i-P 208.20 0.10 1.00 208.41 -0.21 1502.9 230 -42.2 42.2
KLB e S 351.00 0.30 0.51 347.80 3.20 1502.9 230 -40.3 40.3
MAW i-P 624.80 0.30 0.80 629.01 -4.21 6647.0 203 -67.7 67.6
MRWA e P 211.00 0.30 0.56 212.27 -1.27 1534.8 242 -42.2 42.2
MRWA e S 356.00 0.50 0.46 354.52 1.48 1534.8 242 -40.3 40.3
MUN e P 227.00 1.00 0.35 226.50 0.50 1652.5 232 -42.2 42.2
MUN e S 378.00 1.00 0.32 379.29 -1.29 1652.5 232 -40.3 40.3
MUN e SG 468.00 2.00 0.26 477.06 -9.06 1652.5 232 0.2 0.2
NWAO e P 223.00 0.30 0.56 223.77 -0.77 1629.9 227 -42.2 42.2
NWAO e S 374.00 1.00 0.40 374.53 -0.53 1629.9 227 -40.3 40.3
NWAO e SG 468.00 2.00 0.35 470.81 -2.81 1629.9 227 0.2 0.2
STK i+P 203.20 0.10 1.00 206.29 -3.09 1485.4 131 -42.2 42.2
TOO e P 283.00 1.00 0.44 289.44 -6.44 2167.1 140 -44.7 45.4
WB2 e P 100.20 0.30 0.60 99.86 0.34 605.1 49 -42.2 42.2
WRG i-P 157.40 0.10 1.00 157.51 -0.11 1082.0 142 -42.2 42.2
NO VELOCITY RATIOS
Start
Date 1992-06-14
Origin Time 1529 3.99 +- 926.29
Zone 52
Easting 545.87 +- 100.87 Longitude 129.443
Northing 7626.25 +- 86.07 Latitude -21.466
Depth 5.00 +-8459.14 N
Arrival times = 6 S.D. = 0.909 Seismographs = 6
Nearest recorder = 520.4 km Gap = 88.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
497 km W (248 deg) of TCBY
NORTHERN TERRITORY
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.1
PHASE INFORMATION
DATA USED
ASPA i-P 73.60 0.10 1.08 73.07 0.53 520.4 119 -42.2 42.2
ASPA e S 129.30 0.50 0.49 124.44 4.86 520.4 119 -40.3 40.3
FORT e P 136.00 1.00 0.44 136.19 -0.19 1042.9 187 -42.2 42.2
FORT e S 232.50 1.00 0.40 234.35 -1.85 1042.9 187 -40.3 40.3
KNA i-P 87.70 0.10 1.06 87.04 0.66 636.4 353 -42.2 42.2
KNA e S 150.50 1.00 0.42 148.78 1.72 636.4 353 -40.3 40.3
KNA e SG 181.00 0.50 0.48 179.79 1.21 636.4 353 0.5 0.5
MBL e P 129.00 1.00 0.45 131.08 -2.08 1000.6 270 -42.2 42.2
MBL e S 223.00 0.50 0.46 225.45 -2.45 1000.6 270 -40.3 40.3
MEEK e P 156.50 0.50 0.51 160.73 -4.23 1245.5 240 -42.2 42.2
MEEK e S 273.50 1.00 0.40 277.07 -3.57 1245.5 240 -40.3 40.3
MTN e P 127.00 0.30 0.57 127.43 -0.43 970.5 10 -42.2 42.2
MTN e S 224.40 0.50 0.46 219.09 5.31 970.5 10 -40.3 40.3
MTN e SG 282.00 0.50 0.46 272.07 9.93 970.5 10 0.3 0.3
WARB w P 82.50 5.00 0.35 82.09 0.41 595.2 207 -42.2 42.2
WARB e S 140.00 0.50 0.49 140.15 -0.15 595.2 207 -40.3 40.3
WRA i+P 74.40 0.10 1.08 75.15 -0.75 537.8 72 -42.2 42.2
WRA e S 131.70 0.30 0.55 128.06 3.64 537.8 72 -40.3 40.3
NO VELOCITY RATIOS
Start
Date 1992-06-14
Origin Time 2354 37.71 +- 0.90
Zone 50
Easting 501.74 +- 14.77 Longitude 117.018
Northing 6580.02 +- 11.65 Latitude -30.913
Depth 1.00 +- 12.37 G
Arrival times = 7 S.D. = 0.198 Seismographs = 4
Nearest recorder = 45.2 km Gap = 164.9 deg Accuracy = B
Effects Code = Imax = 0 Fault =
11 km N ( 17 deg) of DOW
WESTERN AUSTRALIA
160 km NE ( 44 deg) of PERTH
10 km SW (228 deg) of Manmanning
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.0
PHASE INFORMATION
DATA USED
BAL e P 45.00 0.10 0.94 45.08 -0.08 45.2 318 1.6 1.6
BAL e S 50.00 0.20 0.74 50.20 -0.20 45.2 318 1.6 1.6
KLB e P 54.40 0.20 0.77 54.54 -0.14 103.2 137 0.7 0.7
KLB e S 66.20 0.20 0.69 66.21 -0.01 103.2 137 0.7 0.7
MRWA e P 70.10 0.30 0.66 69.91 0.19 212.1 332 -42.2 42.2
MRWA e S 94.30 0.30 0.60 93.92 0.38 212.1 332 -40.3 40.3
NWAO e SG 99.80 0.50 0.54 99.62 0.18 224.1 174 0.3 0.3
Velocity Ratios
BAL KLB MRWA
BAL 1.69 1.72 1.76
0.05 0.10 0.05
KLB 1.72 1.71 1.79
0.10 0.03 0.09
MRWA 1.76 1.79 1.75
0.05 0.09 0.03
Start
Date 1992-06-15
Origin Time 0202 58.98 +- 2.87
Zone 50
Easting 464.54 +- 9.94 Longitude 116.650
Northing 7300.27 +- 7.45 Latitude -24.410
Depth 5.00 +- 24.13 N
Arrival times = 14 S.D. = 0.798 Seismographs = 8
Nearest recorder = 237.6 km Gap = 143.5 deg Accuracy = B
Effects Code = Imax = 0 Fault =
120 km S (198 deg) of LP06
WESTERN AUSTRALIA
839 km N ( 6 deg) of PERTH
306 km E ( 81 deg) of CARNARVON
84 km N (342 deg) of Landor
Record Dur Sync Unc Resp Seismometer Recorder Pol
MRWA -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
PHASE INFORMATION
DATA USED
BAL e P 147.00 1.00 0.46 148.09 -1.09 686.4 179 -42.2 42.2
BAL e S 215.00 1.00 0.42 214.31 0.69 686.4 179 -40.3 40.3
BAL e SG 243.00 1.00 0.42 248.59 -5.59 686.4 179 0.4 0.4
KLB e P 162.00 1.00 0.46 162.19 -0.19 803.0 172 -42.2 42.2
KLB e S 239.00 1.00 0.41 238.86 0.14 803.0 172 -40.3 40.3
KLB e SG 277.00 1.00 0.41 280.79 -3.79 803.0 172 0.4 0.4
MBL e P 125.00 0.50 0.55 123.87 1.13 486.1 42 -42.2 42.2
MBL e S 172.00 0.50 0.50 172.14 -0.14 486.1 42 -40.3 40.3
MBL e SG 192.70 0.30 0.55 193.27 -0.57 486.1 42 0.6 0.6
MEEK e P 104.50 0.50 0.58 103.32 1.18 315.9 141 -42.2 42.2
MEEK e S 135.00 0.50 0.52 136.36 -1.36 315.9 141 -40.3 40.3
MEEK e SG 141.50 0.50 0.52 146.25 -4.75 315.9 141 1.0 1.0
MRWA e P 130.00 0.30 0.61 129.96 0.04 536.4 186 -42.2 42.2
MRWA e S 180.80 0.20 0.59 182.75 -1.95 536.4 186 -40.3 40.3
MRWA e SG 200.50 0.50 0.49 207.17 -6.67 536.4 186 0.6 0.6
NANU i+P 93.40 0.10 1.17 93.80 -0.40 237.6 330 -42.2 42.2
NWAO e P 179.60 1.00 0.45 179.38 0.22 945.2 176 -42.2 42.2
WARB e P 188.50 0.50 0.51 189.47 -0.97 1028.4 103 -42.2 42.2
WARB e S 283.50 0.50 0.46 286.35 -2.85 1028.4 103 -40.3 40.3
WARB e SG 344.00 0.50 0.46 343.07 0.93 1028.4 103 0.3 0.3
Velocity Ratios
MEEK MBL BAL KLB
MEEK 1.67 1.80 1.88 1.81
0.03 0.14 0.11 0.08
MBL 1.80 1.71 0.00 1.81
0.14 0.02 0.00 0.12
BAL 1.88 0.00 1.77 0.00
0.11 0.00 0.03 0.00
KLB 1.81 1.81 0.00 1.75
0.08 0.12 0.00 0.03
Start
Date 1992-06-19
Origin Time 0442 46.78 +- 10.59
Zone 50
Easting 534.01 +- 42.69 Longitude 117.345
Northing 6942.91 +- 36.53 Latitude -27.637
Depth 5.00 +- 106.54 N
Arrival times = 8 S.D. = 1.130 Seismographs = 4
Nearest recorder = 167.6 km Gap = 192.2 deg Accuracy = D
Effects Code = Imax = 0 Fault =
167 km SW (228 deg) of MEEK
WESTERN AUSTRALIA
499 km N ( 17 deg) of PERTH
164 km SW (224 deg) of MEEKATHARRA
46 km SW (221 deg) of Big Bell Mine
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL e P 93.00 0.10 0.79 93.38 -0.38 334.8 190 -42.2 42.2
BAL e S 126.50 0.10 0.71 128.10 -1.60 334.8 190 -40.3 40.3
KLB e P 108.50 0.10 0.77 106.11 2.39 440.0 174 -42.2 42.2
KLB e S 150.00 0.10 0.69 150.25 -0.25 440.0 174 -40.3 40.3
MEEK e P 73.00 0.50 0.61 73.05 -0.05 167.6 48 -30.8 30.8
MEEK e S 92.50 0.20 0.66 92.85 -0.35 167.6 48 -23.9 23.9
MRWA i-P 79.10 0.10 1.18 79.42 -0.32 219.3 216 -42.2 42.2
MRWA e S 104.50 0.10 0.74 103.80 0.70 219.3 216 -40.3 40.3
Velocity Ratios
MEEK MRWA BAL KLB
MEEK 1.74 0.00 1.70 1.62
0.04 0.00 0.07 0.04
MRWA 0.00 1.79 1.58 1.55
0.00 0.01 0.04 0.02
BAL 1.70 1.58 1.72 1.52
0.07 0.04 0.01 0.03
KLB 1.62 1.55 1.52 1.67
0.04 0.02 0.03 0.00
Start
Date 1992-06-20
Origin Time 0024 42.56 +- 0.00
Zone 52
Easting 604.40 +- 0.00 Longitude 130.021
Northing 7415.67 +- 0.00 Latitude -23.365
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 0.118 Seismographs = 4
Nearest recorder = 398.1 km Gap = 174.7 deg Accuracy = D
Effects Code = Imax = 0 Fault =
397 km W (274 deg) of ASPA
NORTHERN TERRITORY
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.6
PHASE INFORMATION
DATA USED
ASPA e P 96.80 0.50 0.56 96.84 -0.04 398.1 95 -42.2 42.2
ASPA e S 146.70 1.00 0.44 137.25 9.45 398.1 95 -40.3 40.3
FORT e P 151.00 1.00 0.45 150.96 0.04 846.0 192 -42.2 42.2
FORT e S 231.00 1.00 0.41 231.48 -0.48 846.0 192 -40.3 40.3
MBL e P 179.50 0.50 0.51 179.39 0.11 1081.0 281 -42.2 42.2
MBL e S 285.00 1.00 0.40 280.97 4.03 1081.0 281 -40.3 40.3
WARB e P 104.50 0.30 0.62 104.64 -0.14 462.7 226 -42.2 42.2
WARB e S 155.50 0.50 0.50 150.83 4.67 462.7 226 -40.3 40.3
NO VELOCITY RATIOS
Start
Date 1992-06-24
Origin Time 1422 18.14 +- 0.66
Zone 50
Easting 450.62 +- 5.52 Longitude 116.484
Northing 6602.08 +- 2.91 Latitude -30.713
Depth 5.00 +- 9.15 N
Arrival times = 8 S.D. = 0.138 Seismographs = 5
Nearest recorder = 24.3 km Gap = 153.6 deg Accuracy = A
Effects Code = Imax = 0 Fault =
24 km SW (241 deg) of BAL
WESTERN AUSTRALIA
150 km NE ( 24 deg) of PERTH
29 km SE (154 deg) of Miling
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
PHASE INFORMATION
DATA USED
BAL i-P 22.20 0.10 1.41 22.20 -0.00 24.3 61 12.3 12.3
BAL i S 25.00 0.10 1.27 25.02 -0.02 24.3 61 12.3 12.3
COOL e S 122.00 0.50 0.50 123.01 -1.01 446.5 93 -40.3 40.3
KLB e P 43.00 0.20 0.74 42.74 0.26 155.8 129 -30.8 30.8
KLB e S 61.10 0.20 0.67 61.20 -0.10 155.8 129 1.9 1.9
MRWA e P 45.20 0.20 0.73 45.04 0.16 172.2 344 -30.8 30.8
MRWA e S 65.00 0.30 0.61 65.23 -0.23 172.2 344 -40.3 40.3
MUN e P 41.90 0.20 0.74 40.90 1.00 142.7 190 -30.8 30.8
MUN e S 57.50 0.20 0.67 57.58 -0.08 142.7 190 2.1 2.1
NWAO e SMS 86.90 0.50 0.29 87.19 -0.29 255.4 164 -26.0 26.0
Velocity Ratios
BAL KLB MRWA
BAL 1.69 1.74 1.74
0.07 0.04 0.04
KLB 1.74 1.73 0.00
0.04 0.02 0.00
MRWA 1.74 0.00 1.73
0.04 0.00 0.02
Start
Date 1992-06-25
Origin Time 1015 58.80 +- 0.51
Zone 50
Easting 507.69 +- 3.68 Longitude 117.080
Northing 6604.56 +- 3.22 Latitude -30.692
Depth 1.00 +- 7.97 G
Arrival times = 9 S.D. = 0.150 Seismographs = 5
Nearest recorder = 37.0 km Gap = 180.1 deg Accuracy = A
Effects Code = Imax = 0 Fault =
4 km S (197 deg) of CA4
WESTERN AUSTRALIA
182 km NE ( 40 deg) of PERTH
10 km NW (331 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.6
PHASE INFORMATION
DATA USED
BAL i-P 64.80 0.10 1.37 64.84 -0.04 37.0 284 2.0 2.0
BAL e S 69.00 0.20 0.75 69.03 -0.03 37.0 284 2.0 2.0
COOL e P 111.00 0.50 0.56 112.51 -1.51 389.7 94 -42.2 42.2
COOL e S 151.00 0.50 0.51 152.44 -1.44 389.7 94 -40.3 40.3
KLB i+P 78.20 0.10 1.24 78.21 -0.01 119.0 147 0.6 0.6
KLB e S 91.50 0.50 0.57 91.66 -0.16 119.0 147 0.6 0.6
MRWA e P 89.00 0.20 0.72 88.81 0.19 193.9 327 -42.2 42.2
MRWA e S 111.00 0.30 0.60 111.18 -0.18 193.9 327 -40.3 40.3
MUN e P 85.30 0.10 0.84 85.02 0.28 165.0 209 -30.8 30.8
MUN e S 104.30 0.20 0.66 104.38 -0.08 165.0 209 0.4 0.4
NWAO e SMS 126.20 0.50 0.29 126.55 -0.35 248.2 176 -26.4 26.4
Velocity Ratios
BAL KLB MUN MRWA
BAL 1.70 1.68 1.72 1.74
0.06 0.08 0.04 0.04
KLB 1.68 1.69 1.80 1.81
0.08 0.03 0.15 0.13
MUN 1.72 1.80 1.72 0.00
0.04 0.15 0.01 0.00
MRWA 1.74 1.81 0.00 1.73
0.04 0.13 0.00 0.02
Start
Date 1992-06-25
Origin Time 1959 19.80 +- 3.12
Zone 50
Easting 105.35 +- 41.38 Longitude 113.135
Northing 7390.08 +- 15.33 Latitude -23.552
Depth 5.00 +- 52.55 N
Arrival times = 12 S.D. = 0.508 Seismographs = 8
Nearest recorder = 266.9 km Gap = 262.8 deg Accuracy = D
Effects Code = Imax = 0 Fault =
151 km W (252 deg) of LP03
WESTERN AUSTRALIA
968 km N (343 deg) of PERTH
157 km N (340 deg) of CARNARVON
Record Dur Sync Unc Resp Seismometer Recorder Pol
MRWA -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.2
PHASE INFORMATION
DATA USED
BAL e S 211.30 0.50 0.47 211.34 -0.04 858.3 156 -40.3 40.3
COOL e S 269.00 1.00 0.40 269.65 -0.65 1135.1 137 -40.3 40.3
KLB e S 239.70 1.00 0.40 241.38 -1.68 1001.0 154 -40.3 40.3
MBL e P 116.00 0.30 0.59 115.27 0.73 739.0 70 -42.2 42.2
MBL e S 186.70 0.50 0.48 186.19 0.51 739.0 70 -40.3 40.3
MEEK e P 105.00 0.50 0.54 104.52 0.48 649.8 123 -42.2 42.2
MEEK e S 168.00 1.00 0.42 167.48 0.52 649.8 123 -40.3 40.3
MRWA e P 109.00 0.20 0.64 109.34 -0.34 689.9 156 -42.2 42.2
MRWA e S 174.50 0.50 0.48 175.88 -1.38 689.9 156 -40.3 40.3
MUN e P 145.00 1.00 0.45 144.65 0.35 981.9 162 -42.2 42.2
MUN e S 237.00 0.50 0.46 237.36 -0.36 981.9 162 -40.3 40.3
NANU i P 58.20 0.10 1.15 58.17 0.03 266.9 65 -42.2 42.2
NANU e S 86.00 1.00 0.46 86.79 -0.79 266.9 65 -40.3 40.3
WARB e P 196.00 1.00 0.44 195.06 0.94 1398.6 104 -42.2 42.2
WARB e S 327.00 0.50 0.46 325.11 1.89 1398.6 104 -40.3 40.3
Velocity Ratios
NANU MEEK MBL MUN
NANU 1.72 1.75 1.74 1.74
0.03 0.07 0.04 0.04
MEEK 1.75 1.74 0.00 1.73
0.07 0.02 0.00 0.11
MBL 1.74 0.00 1.73 1.73
0.04 0.00 0.01 0.12
MUN 1.74 1.73 1.73 1.73
0.04 0.11 0.12 0.02
Start
Date 1992-06-29
Origin Time 0259 43.84 +- 0.00
Zone 52
Easting 572.05 +- 0.00 Longitude 129.715
Northing 7223.01 +- 0.00 Latitude -25.107
Depth 5.00 +- 0.00 N
Arrival times = 3 S.D. = 0.039 Seismographs = 3
Nearest recorder = 330.6 km Gap = 177.7 deg Accuracy = D
Effects Code = Imax = 0 Fault =
330 km E ( 69 deg) of WARB
NORTHERN TERRITORY
135 km W (281 deg) of AYERS ROCK
69 km E (112 deg) of DOCKER RIVER
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML? 2.8
PHASE INFORMATION
DATA USED
ASPA e P 104.80 0.50 0.56 104.80 0.00 453.3 70 -42.2 42.2
ASPA e S 143.00 1.00 0.44 150.15 -7.15 453.3 70 -40.3 40.3
WARB e P 90.00 0.30 0.64 89.95 0.05 330.6 248 -42.2 42.2
WARB e S 128.00 0.50 0.51 124.31 3.69 330.6 248 -40.3 40.3
WB2 e P 140.10 1.00 0.46 140.09 0.01 745.3 40 -42.2 42.2
NO VELOCITY RATIOS
Start
Date 1992-07-01
Origin Time 1808 36.87 +- 2.78
Zone 50
Easting 464.68 +- 13.61 Longitude 116.626
Northing 6457.88 +- 35.60 Latitude -32.015
Depth 1.00 +- 151.70 G
Arrival times = 6 S.D. = 0.054 Seismographs = 3
Nearest recorder = 39.7 km Gap = 209.1 deg Accuracy = B
Effects Code = Imax = 0 Fault =
19 km SW (224 deg) of YORK
WESTERN AUSTRALIA
74 km E ( 96 deg) of PERTH
31 km W (292 deg) of Beverley
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.5
PHASE INFORMATION
DATA USED
BAL e P 62.00 2.00 0.47 61.87 0.13 156.2 2 -30.8 30.8
BAL e S 80.00 0.10 0.76 80.03 -0.03 156.2 2 0.5 0.5
KLB i P 56.00 0.10 1.24 55.98 0.02 117.1 66 0.6 0.6
KLB e S 69.20 0.10 0.78 69.23 -0.03 117.1 66 0.6 0.6
MUN i P 43.30 0.10 1.36 43.34 -0.04 39.7 275 1.8 1.8
MUN e S 47.90 0.10 0.86 47.83 0.07 39.7 275 1.8 1.8
NWAO e S 77.50 0.30 0.63 68.94 8.56 116.1 150 0.6 0.6
Velocity Ratios
MUN KLB BAL
MUN 1.72 1.68 0.00
0.04 0.04 0.00
KLB 1.68 1.69 0.00
0.04 0.01 0.00
BAL 0.00 0.00 1.72
0.00 0.00 0.15
Start
Date 1992-07-01
Origin Time 2018 33.41 +- 4.67
Zone 50
Easting 465.21 +- 9.34 Longitude 116.631
Northing 6451.30 +- 56.22 Latitude -32.074
Depth 3.71 +- 80.31
Arrival times = 6 S.D. = 0.119 Seismographs = 3
Nearest recorder = 41.3 km Gap = 221.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
24 km SW (212 deg) of YORK
WESTERN AUSTRALIA
75 km E (101 deg) of PERTH
29 km W (280 deg) of Beverley
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.5
PHASE INFORMATION
DATA USED
BAL e P 59.00 1.00 0.53 59.10 -0.10 162.8 2 -30.8 30.8
BAL e S 78.50 0.30 0.61 78.39 0.11 162.8 2 -23.9 23.9
KLB i P 53.00 0.10 1.24 52.90 0.10 119.4 63 1.9 1.9
KLB e S 66.20 0.10 0.78 66.42 -0.22 119.4 63 1.9 1.9
MUN i P 40.20 0.10 1.35 40.19 0.01 41.3 284 5.5 5.5
MUN e S 44.80 0.10 0.85 44.88 -0.08 41.3 284 5.5 5.5
NWAO e S 74.60 0.30 0.63 63.86 10.74 110.1 149 2.1 2.1
Velocity Ratios
MUN KLB BAL
MUN 1.68 1.67 1.79
0.04 0.04 0.13
KLB 1.67 1.67 0.00
0.04 0.01 0.00
BAL 1.79 0.00 1.76
0.13 0.00 0.08
Start
Date 1992-07-07
Origin Time 1610 2.41 +- 3.24
Zone 51
Easting 275.08 +- 15.54 Longitude 120.834
Northing 7655.97 +- 34.54 Latitude -21.184
Depth 5.00 +- 22.88 N
Arrival times = 7 S.D. = 0.401 Seismographs = 4
Nearest recorder = 104.0 km Gap = 223.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
103 km E ( 91 deg) of MBL
WESTERN AUSTRALIA
254 km SE (113 deg) of PORT HEDLAND
113 km E ( 91 deg) of Marble Bar
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.2
PHASE INFORMATION
DATA USED
BAL e P 142.00 1.00 0.44 144.52 -2.52 1124.7 200 -42.2 42.2
BAL e S 248.00 1.00 0.40 250.02 -2.02 1124.7 200 -40.3 40.3
COOL e P 137.50 0.50 0.51 138.56 -1.06 1075.2 178 -42.2 42.2
COOL e S 240.00 1.00 0.40 239.63 0.37 1075.2 178 -40.3 40.3
KLB e P 152.50 0.30 0.56 152.98 -0.48 1194.6 194 -42.2 42.2
KLB e S 262.00 1.00 0.40 264.74 -2.74 1194.6 194 -40.3 40.3
MBL i-P 18.90 0.10 1.26 19.39 -0.49 104.0 271 2.9 2.9
MBL e S 31.40 0.50 0.57 31.16 0.24 104.0 271 2.9 2.9
MEEK i-P 86.30 0.10 1.06 86.61 -0.31 645.6 199 -42.2 42.2
MEEK e S 149.00 0.10 0.67 149.20 -0.20 645.6 199 -40.3 40.3
MRWA e P 129.00 1.00 0.45 131.48 -2.48 1016.9 207 -42.2 42.2
MRWA e S 224.50 0.20 0.55 227.32 -2.82 1016.9 207 -40.3 40.3
MUN e P 165.00 1.00 0.44 163.78 1.22 1284.0 199 -42.2 42.2
MUN e S 281.00 0.30 0.51 283.55 -2.55 1284.0 199 -40.3 40.3
NANU i+P 78.10 0.10 1.07 77.81 0.29 573.2 253 -42.2 42.2
NANU e S 134.00 0.10 0.68 133.87 0.13 573.2 253 -40.3 40.3
WARB e P 107.00 0.20 0.63 106.59 0.41 810.8 134 -42.2 42.2
WARB e S 188.00 0.50 0.47 183.97 4.03 810.8 134 -40.3 40.3
Velocity Ratios
MBL NANU MEEK
MBL 1.76 1.73 1.74
0.04 0.02 0.01
NANU 1.73 1.74 1.83
0.02 0.00 0.07
MEEK 1.74 1.83 1.75
0.01 0.07 0.00
Start
Date 1992-07-08
Origin Time 0142 11.65 +- 5.13
Zone 50
Easting 452.27 +- 92.28 Longitude 116.506
Northing 6706.24 +- 46.52 Latitude -29.773
Depth 5.00 +- 55.36 G
Arrival times = 7 S.D. = 1.351 Seismographs = 4
Nearest recorder = 78.9 km Gap = 188.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
78 km NW (321 deg) of FAW
WESTERN AUSTRALIA
249 km N ( 15 deg) of PERTH
8 km E (109 deg) of Latham
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.6
PHASE INFORMATION
DATA USED
BAL e P 25.50 0.50 0.64 27.07 -1.57 94.4 168 3.2 3.2
BAL e S 36.00 1.00 0.50 37.76 -1.76 94.4 168 3.2 3.2
KLB e S 73.50 0.30 0.59 71.88 1.62 234.6 149 -40.3 40.3
MRWA e P 24.00 0.30 0.72 24.56 -0.56 78.9 321 3.8 3.8
MRWA e S 34.00 0.50 0.59 33.51 0.49 78.9 321 3.8 3.8
MUN e P 48.00 0.50 0.59 47.52 0.48 246.1 186 -42.2 42.2
MUN e S 76.00 0.50 0.53 74.28 1.72 246.1 186 -40.3 40.3
Velocity Ratios
MRWA BAL MUN
MRWA 1.81 0.00 1.75
0.09 0.00 0.10
BAL 0.00 1.76 1.78
0.00 0.14 0.15
MUN 1.75 1.78 1.77
0.10 0.15 0.04
Start
Date 1992-07-08
Origin Time 1102 49.82 +- 0.61
Zone 50
Easting 504.77 +- 3.10 Longitude 117.050
Northing 6497.51 +- 5.06 Latitude -31.658
Depth 5.00 +- 18.31 G
Arrival times = 8 S.D. = 0.229 Seismographs = 4
Nearest recorder = 67.7 km Gap = 99.7 deg Accuracy = A
Effects Code = Imax = 0 Fault =
34 km SE (147 deg) of GOO
WESTERN AUSTRALIA
118 km E ( 74 deg) of PERTH
5 km SE (129 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.6
PHASE INFORMATION
DATA USED
BAL e P 69.50 0.30 0.70 69.55 -0.05 121.0 344 -30.8 30.8
BAL e S 83.00 0.20 0.68 83.27 -0.27 121.0 344 2.5 2.5
KLB i-P 60.80 0.10 1.30 60.90 -0.10 67.7 83 4.5 4.5
KLB i S 68.90 0.30 0.94 68.58 0.32 67.7 83 4.5 4.5
MRWA e S 124.50 0.10 0.72 121.43 3.07 288.7 339 -40.3 40.3
MUN e P 64.20 0.20 0.78 64.08 0.12 87.3 245 3.4 3.4
MUN i S 74.10 0.10 1.15 73.97 0.13 87.3 245 3.4 3.4
NWAO e P 72.40 0.30 0.69 72.45 -0.05 141.7 173 -30.8 30.8
NWAO e S 88.50 0.30 0.62 89.00 -0.50 141.7 173 2.1 2.1
Velocity Ratios
KLB MUN BAL NWAO
KLB 1.74 0.00 1.62 1.69
0.04 0.00 0.14 0.11
MUN 0.00 1.69 0.00 1.76
0.00 0.03 0.00 0.17
BAL 1.62 0.00 1.69 0.00
0.14 0.00 0.04 0.00
NWAO 1.69 1.76 0.00 1.71
0.11 0.17 0.00 0.04
Start
Date 1992-07-09
Origin Time 0909 26.15 +- 0.00
Zone 50
Easting 758.61 +- 0.00 Longitude 119.640
Northing 6854.61 +- 0.00 Latitude -28.409
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 4.146 Seismographs = 2
Nearest recorder = 220.9 km Gap = 180.1 deg Accuracy = D
Effects Code = Imax = 0 Fault =
220 km SE (152 deg) of MEEK
WESTERN AUSTRALIA
536 km NE ( 44 deg) of PERTH
173 km W (287 deg) of Leonora
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
COOL i P 70.70 0.10 1.14 69.88 0.82 310.8 152 -42.2 42.2
COOL e S 100.00 0.10 0.72 102.46 -2.46 310.8 152 -40.3 40.3
MEEK e P 64.00 0.10 0.82 59.01 4.99 220.9 332 -42.2 42.2
MEEK e S 78.00 0.10 0.74 83.54 -5.54 220.9 332 -40.3 40.3
Velocity Ratios
MEEK COOL
MEEK 1.37 3.28
0.01 0.13
COOL 3.28 1.66
0.13 0.01
Start
Date 1992-07-12
Origin Time 1746 36.51 +- 5.75
Zone 51
Easting 506.87 +- 31.82 Longitude 123.066
Northing 7799.29 +- 79.67 Latitude -19.903
Depth 5.00 +- 103.31 N
Arrival times = 7 S.D. = 0.478 Seismographs = 4
Nearest recorder = 364.7 km Gap = 264.9 deg Accuracy = D
Effects Code = Imax = 0 Fault =
364 km E ( 68 deg) of MBL
WESTERN AUSTRALIA
231 km SE (158 deg) of BROOME
Record Dur Sync Unc Resp Seismometer Recorder Pol
WARB -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.0
PHASE INFORMATION
DATA USED
MBL e P 85.70 0.50 0.57 86.72 -1.02 364.7 246 -42.2 42.2
MBL e S 124.00 0.10 0.71 124.11 -0.11 364.7 246 -40.3 40.3
MEEK e S 231.00 0.50 0.47 231.41 -0.41 874.1 210 -40.3 40.3
NANU e P 144.20 0.20 0.63 144.14 0.06 839.7 248 -42.2 42.2
NANU e S 224.50 0.30 0.52 224.08 0.42 839.7 248 -40.3 40.3
WARB e P 138.00 0.20 0.63 137.72 0.28 786.3 153 -42.2 42.2
WARB e S 213.00 0.30 0.52 212.91 0.09 786.3 153 -40.3 40.3
Velocity Ratios
MBL WARB NANU
MBL 1.78 1.70 1.72
0.02 0.03 0.03
WARB 1.70 1.74 0.00
0.03 0.01 0.00
NANU 1.72 0.00 1.75
0.03 0.00 0.01
Start
Date 1992-07-12
Origin Time 2102 30.17 +- 4.80
Zone 49
Easting 799.27 +- 24.75 Longitude 113.951
Northing 7298.94 +- 12.05 Latitude -24.394
Depth 18.12 +- 31.98
Arrival times = 8 S.D. = 0.586 Seismographs = 4
Nearest recorder = 259.2 km Gap = 238.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
106 km NW (306 deg) of LP02
WESTERN AUSTRALIA
858 km N (347 deg) of PERTH
61 km NE ( 28 deg) of CARNARVON
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.4
PHASE INFORMATION
DATA USED
MBL e P 120.50 0.50 0.53 120.13 0.37 705.4 60 -42.2 42.2
MBL e S 186.00 1.00 0.42 187.14 -1.14 705.4 60 -40.3 40.3
MEEK w P 101.00 2.00 0.42 99.24 1.76 532.3 119 -42.2 42.2
MEEK e S 151.00 0.10 0.68 150.76 0.24 532.3 119 -40.3 40.3
MRWA e P 105.00 1.00 0.47 104.10 0.90 572.7 159 -42.2 42.2
MRWA e S 158.50 0.50 0.49 159.23 -0.73 572.7 159 -40.3 40.3
NANU i P 66.00 0.10 1.16 66.17 -0.17 259.2 37 -42.2 42.2
NANU e S 94.00 0.30 0.59 93.19 0.81 259.2 37 -40.3 40.3
NANU e SG 102.00 1.00 0.46 101.95 0.05 259.2 37 4.0 4.0
Velocity Ratios
NANU MRWA MBL
NANU 1.78 1.65 1.69
0.01 0.07 0.04
MRWA 1.65 1.71 0.00
0.07 0.03 0.00
MBL 1.69 0.00 1.73
0.04 0.00 0.02
Start
Date 1992-07-12
Origin Time 2142 24.90 +- 2.71
Zone 50
Easting 227.41 +- 10.34 Longitude 114.089
Northing 6368.33 +- 15.04 Latitude -32.789
Depth 5.00 +- 15.78 N
Arrival times = 13 S.D. = 0.358 Seismographs = 8
Nearest recorder = 218.7 km Gap = 258.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
218 km SW (245 deg) of MUN
WESTERN AUSTRALIA
196 km NW (330 deg) of AUGUSTA
190 km SW (240 deg) of PERTH
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.4
PHASE INFORMATION
DATA USED
BAL e P 73.30 0.30 0.63 72.93 0.37 346.5 46 -42.2 42.2
BAL e S 109.20 0.20 0.62 108.70 0.50 346.5 46 -40.3 40.3
COOL i P 115.50 0.20 0.91 115.74 -0.24 700.4 74 -42.2 42.2
COOL e S 182.00 1.00 0.42 183.23 -1.23 700.4 74 -40.3 40.3
COOL e SG 221.00 0.50 0.41 218.40 2.60 700.4 74 0.4 0.4
KLB i P 76.10 0.10 1.12 75.84 0.26 370.6 69 -42.2 42.2
KLB e S 115.50 0.10 0.70 113.77 1.73 370.6 69 -40.3 40.3
MBL e P 199.00 1.00 0.44 201.30 -2.30 1408.3 25 -42.2 42.2
MBL e S 329.00 1.00 0.40 332.20 -3.20 1408.3 25 -40.3 40.3
MEEK e P 129.00 0.50 0.52 128.98 0.02 809.9 33 -42.2 42.2
MEEK e S 206.00 1.00 0.41 206.29 -0.29 809.9 33 -40.3 40.3
MRWA i P 83.60 0.20 0.96 83.72 -0.12 435.8 25 -42.2 42.2
MRWA e S 127.50 0.50 0.50 127.49 0.01 435.8 25 -40.3 40.3
MUN i P 57.20 0.10 1.18 57.47 -0.27 218.7 66 -42.2 42.2
MUN e S 91.00 2.00 0.41 81.78 9.22 218.7 66 -40.3 40.3
NANU w P 171.00 2.00 0.39 169.32 1.68 1143.9 7 -42.2 42.2
NANU e S 277.00 0.30 0.51 276.52 0.48 1143.9 7 -40.3 40.3
NWAO e P 67.00 0.50 0.58 66.65 0.35 294.6 93 -42.2 42.2
NWAO i SG 106.40 1.00 0.52 106.31 0.09 294.6 93 1.0 1.0
RKG S-P 35.00 1.00 0.71 34.75 0.25 335.2 127 0.0 0.0
WARB e P 201.50 0.30 0.56 203.08 -1.58 1422.8 62 -42.2 42.2
WARB e S 333.00 1.00 0.40 335.30 -2.30 1422.8 62 -40.3 40.3
Velocity Ratios
BAL MRWA COOL MEEK
BAL 1.74 1.78 1.73 1.74
0.02 0.16 0.05 0.05
MRWA 1.78 1.75 1.71 1.73
0.16 0.01 0.07 0.06
COOL 1.73 1.71 1.73 0.00
0.05 0.07 0.01 0.00
MEEK 1.74 1.73 0.00 1.74
0.05 0.06 0.00 0.02
Start
Date 1992-07-14
Origin Time 0342 29.51 +- 4.45
Zone 51
Easting 873.73 +- 7.89 Longitude 126.619
Northing 7562.62 +- 15.58 Latitude -22.001
Depth 5.00 +- 35.82 N
Arrival times = 10 S.D. = 0.589 Seismographs = 6
Nearest recorder = 463.9 km Gap = 102.0 deg Accuracy = B
Effects Code = Imax = 0 Fault =
458 km N ( 0 deg) of WBN
WESTERN AUSTRALIA
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
COOL -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.6
PHASE INFORMATION
DATA USED
ASPA i P 129.70 0.20 0.90 129.44 0.26 775.6 105 -42.2 42.2
ASPA e S 203.20 0.50 0.47 203.68 -0.48 775.6 105 -40.3 40.3
BAL e P 200.00 0.20 0.61 201.78 -1.78 1374.0 223 -42.2 42.2
BAL e S 328.00 0.50 0.46 329.62 -1.62 1374.0 223 -40.3 40.3
COOL e P 171.00 0.30 0.56 171.69 -0.69 1125.0 207 -42.2 42.2
COOL e S 275.00 1.00 0.40 277.22 -2.22 1125.0 207 -40.3 40.3
KLB e P 200.20 0.20 0.61 202.45 -2.25 1379.6 217 -42.2 42.2
KLB e S 329.00 1.00 0.40 330.79 -1.79 1379.6 217 -40.3 40.3
KNA e P 124.20 0.20 0.64 123.88 0.32 729.9 18 -42.2 42.2
KNA e S 197.50 0.30 0.53 193.99 3.51 729.9 18 -40.3 40.3
MBL i P 121.30 0.50 0.76 121.34 -0.04 708.9 276 -42.2 42.2
MBL e S 190.00 0.50 0.48 189.58 0.42 708.9 276 -40.3 40.3
MEEK e P 151.70 0.30 0.57 151.87 -0.17 961.1 235 -42.2 42.2
MEEK e S 242.00 0.50 0.46 242.73 -0.73 961.1 235 -40.3 40.3
MRWA e P 195.30 0.30 0.56 196.88 -1.58 1333.5 230 -42.2 42.2
MRWA e S 318.00 0.30 0.51 321.09 -3.09 1333.5 230 -40.3 40.3
MTN e P 170.50 0.50 0.51 171.75 -1.25 1125.9 25 -42.2 42.2
MTN e S 280.00 1.00 0.40 277.34 2.66 1125.9 25 -40.3 40.3
MUN e P 216.50 0.50 0.51 218.56 -2.06 1512.9 220 -42.2 42.2
MUN e S 355.00 2.00 0.35 358.84 -3.84 1512.9 220 -40.3 40.3
NANU e P 175.60 0.50 0.51 174.54 1.06 1148.9 264 -42.2 42.2
NANU e S 274.00 0.30 0.51 282.19 -8.19 1148.9 264 -40.3 40.3
NWAO e S 359.70 1.00 0.40 361.27 -1.57 1524.4 215 -40.3 40.3
WARB e P 92.50 0.30 0.62 91.74 0.76 463.9 179 -42.2 42.2
WRA i+P 136.60 0.20 0.90 137.34 -0.74 841.1 75 -42.2 42.2
WRA e S 218.50 0.50 0.47 217.43 1.07 841.1 75 -40.3 40.3
Velocity Ratios
MBL ASPA WRA MEEK
MBL 1.75 0.00 1.86 1.71
0.02 0.00 0.16 0.08
ASPA 0.00 1.73 0.00 1.76
0.00 0.01 0.00 0.09
WRA 1.86 0.00 1.76 1.56
0.16 0.00 0.01 0.12
MEEK 1.71 1.76 1.56 1.74
0.08 0.09 0.12 0.01
Start
Date 1992-07-14
Origin Time 0520 5.85 +- 6.36
Zone 52
Easting 547.65 +- 13.55 Longitude 129.462
Northing 7559.08 +- 15.75 Latitude -22.072
Depth 5.00 +- 48.03 N
Arrival times = 12 S.D. = 1.190 Seismographs = 6
Nearest recorder = 489.5 km Gap = 99.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
489 km W (290 deg) of ASPA
NORTHERN TERRITORY
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
WARB -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.3
PHASE INFORMATION
DATA USED
ASPA e P 71.00 0.30 0.61 71.19 -0.19 489.5 112 -42.2 42.2
ASPA e S 120.00 0.50 0.50 119.79 0.21 489.5 112 -40.3 40.3
KNA e P 97.20 0.20 0.64 97.01 0.19 703.4 353 -42.2 42.2
KNA e S 166.50 0.50 0.48 164.74 1.76 703.4 353 -40.3 40.3
KNA e SG 206.00 1.00 0.42 200.16 5.84 703.4 353 0.4 0.4
MBL e P 132.40 0.50 0.51 133.49 -1.09 1005.0 274 -42.2 42.2
MBL e S 227.00 0.50 0.46 228.26 -1.26 1005.0 274 -40.3 40.3
MEEK e P 157.00 0.50 0.51 158.95 -1.95 1215.3 243 -42.2 42.2
MEEK e S 272.00 1.00 0.40 272.58 -0.58 1215.3 243 -40.3 40.3
MTN w P 139.00 2.00 0.40 137.24 1.76 1036.2 10 -42.2 42.2
MTN e S 234.00 1.00 0.40 234.79 -0.79 1036.2 10 -40.3 40.3
NANU e P 181.00 2.00 0.38 187.23 -6.23 1449.6 265 -42.2 42.2
NANU e S 319.00 2.00 0.35 321.83 -2.83 1449.6 265 -40.3 40.3
WARB e P 78.00 0.50 0.55 77.03 0.97 537.9 211 -42.2 42.2
WARB e S 132.00 2.00 0.37 129.95 2.05 537.9 211 -40.3 40.3
WRA i-P 78.60 0.20 0.94 79.67 -1.07 559.8 65 -42.2 42.2
WRA e S 136.00 0.50 0.49 134.56 1.44 559.8 65 -40.3 40.3
Velocity Ratios
ASPA WARB WRA KNA MBL MTN
ASPA 1.75 0.00 0.00 1.77 1.74 1.68
0.02 0.00 0.00 0.07 0.04 0.08
WARB 0.00 1.75 0.00 0.00 1.75 1.67
0.00 0.04 0.00 0.00 0.08 0.12
WRA 0.00 0.00 1.79 1.64 1.69 1.62
0.00 0.00 0.01 0.09 0.04 0.09
KNA 1.77 0.00 1.64 1.76 1.72 1.61
0.07 0.00 0.09 0.01 0.06 0.13
MBL 1.74 1.75 1.69 1.72 1.75 0.00
0.04 0.08 0.04 0.06 0.01 0.00
MTN 1.68 1.67 1.62 1.61 0.00 1.71
0.08 0.12 0.09 0.13 0.00 0.03
Start
Date 1992-07-14
Origin Time 1814 6.23 +- 9.79
Zone 52
Easting 236.82 +- 16.51 Longitude 126.451
Northing 7562.62 +- 26.27 Latitude -22.021
Depth 5.00 +- 71.10 N
Arrival times = 8 S.D. = 0.640 Seismographs = 4
Nearest recorder = 461.6 km Gap = 159.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
456 km N (358 deg) of WBN
WESTERN AUSTRALIA
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.5
PHASE INFORMATION
DATA USED
ASPA e P 111.60 0.50 0.53 107.50 4.10 786.6 105 -42.2 42.2
ASPA e S 177.90 0.50 0.47 182.73 -4.83 786.6 105 -40.3 40.3
MBL e P 97.00 1.00 0.46 96.38 0.62 695.0 276 -42.2 42.2
MBL e S 163.00 1.00 0.42 163.37 -0.37 695.0 276 -40.3 40.3
MEEK e P 127.00 2.00 0.39 127.29 -0.29 950.3 235 -42.2 42.2
MEEK e S 217.50 0.50 0.46 217.17 0.33 950.3 235 -40.3 40.3
WARB e P 67.00 1.00 0.48 68.19 -1.19 461.6 177 -42.2 42.2
WARB e S 115.00 0.50 0.50 114.28 0.72 461.6 177 -40.3 40.3
WRA e P 115.30 0.30 0.58 115.43 -0.13 852.4 75 -42.2 42.2
WRA e S 196.90 0.50 0.47 196.54 0.36 852.4 75 -40.3 40.3
Velocity Ratios
WARB MBL WRA MEEK
WARB 1.79 1.60 1.70 1.71
0.04 0.17 0.07 0.11
MBL 1.60 1.73 0.00 0.00
0.17 0.03 0.00 0.00
WRA 1.70 0.00 1.75 0.00
0.07 0.00 0.01 0.00
MEEK 1.71 0.00 0.00 1.75
0.11 0.00 0.00 0.03
Start
Date 1992-07-15
Origin Time 0017 9.11 +- 14.91
Zone 51
Easting 870.04 +- 20.43 Longitude 126.582
Northing 7566.65 +- 29.40 Latitude -21.966
Depth 5.00 +- 131.39 N
Arrival times = 8 S.D. = 0.951 Seismographs = 6
Nearest recorder = 467.8 km Gap = 102.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
462 km N ( 0 deg) of WBN
WESTERN AUSTRALIA
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 4.8
PHASE INFORMATION
DATA USED
ASPA i P 110.00 0.10 1.04 109.61 0.39 780.3 105 -42.2 42.2
ASPA e S 179.00 1.00 0.41 184.26 -5.26 780.3 105 -40.3 40.3
ASPA e SG 220.80 1.00 0.41 224.66 -3.86 780.3 105 0.4 0.4
BAL e P 179.30 0.20 0.61 181.40 -2.10 1374.3 223 -42.2 42.2
BAL e S 307.00 2.00 0.35 309.26 -2.26 1374.3 223 -40.3 40.3
CNB i P 323.60 0.10 1.00 325.07 -1.47 2662.1 128 -57.9 57.6
COOL e P 149.80 0.20 0.61 151.49 -1.69 1126.7 207 -42.2 42.2
COOL e S 256.00 0.50 0.46 257.18 -1.18 1126.7 207 -40.3 40.3
CTA i P 266.00 0.10 1.00 270.45 -4.45 2106.4 87 -42.9 42.8
FORT e P 134.60 0.20 0.62 135.11 -0.51 991.6 171 -42.2 42.2
KLB e P 180.10 0.20 0.61 182.15 -2.05 1380.4 217 -42.2 42.2
KLB e S 309.00 1.00 0.40 310.56 -1.56 1380.4 217 -40.3 40.3
KNA e P 103.60 0.20 0.64 103.17 0.43 727.4 18 -42.2 42.2
KNA e S 175.00 0.50 0.48 173.05 1.95 727.4 18 -40.3 40.3
MBL i P 100.10 0.10 1.05 100.43 -0.33 704.7 276 -42.2 42.2
MEEK e P 131.00 1.00 0.45 131.36 -0.36 960.2 235 -42.2 42.2
MRWA e P 174.20 0.10 0.70 176.42 -2.22 1333.1 230 -42.2 42.2
MTN e P 150.40 0.20 0.61 151.11 -0.71 1124.0 26 -42.2 42.2
MTN e S 257.00 1.00 0.40 256.53 0.47 1124.0 26 -40.3 40.3
MUN e P 196.10 0.20 0.61 198.22 -2.12 1513.4 220 -42.2 42.2
MUN e S 337.00 0.50 0.46 338.54 -1.54 1513.4 220 -40.3 40.3
NANU e P 154.20 0.20 0.61 153.72 0.48 1145.5 264 -42.2 42.2
NANU e S 261.00 0.30 0.51 261.07 -0.07 1145.5 264 -40.3 40.3
NWAO e P 197.00 0.10 0.70 199.68 -2.68 1525.4 215 -42.2 42.2
NWAO e S 337.40 0.50 0.46 341.08 -3.68 1525.4 215 -40.3 40.3
RKG e P 216.00 0.30 0.56 218.63 -2.63 1682.1 211 -42.2 42.2
RKG e S 371.00 0.30 0.51 374.07 -3.07 1682.1 211 -40.3 40.3
STK i P 235.00 0.10 1.00 242.27 -7.27 1877.7 129 -42.2 42.2
TOO i P 307.50 0.10 1.00 311.40 -3.90 2506.6 137 -57.4 56.9
WARB e P 73.00 0.20 0.67 71.82 1.18 467.8 179 -42.2 42.2
WR2 e P 116.10 0.30 0.58 117.55 -1.45 846.2 75 -42.2 42.2
WR2 e S 203.20 1.00 0.41 198.10 5.10 846.2 75 -40.3 40.3
WR2 e SG 241.80 1.00 0.41 242.86 -1.06 846.2 75 0.4 0.4
WRA i-P 116.00 0.20 0.90 117.27 -1.27 843.8 75 -42.2 42.2
WRA e S 197.20 0.50 0.47 197.60 -0.40 843.8 75 -40.3 40.3
WRG i P 187.10 0.10 1.00 189.98 -2.88 1445.3 137 -42.2 42.2
Velocity Ratios
KNA WRA
KNA 1.76 1.79
0.01 0.14
WRA 1.79 1.76
0.14 0.01
Start
Date 1992-07-15
Origin Time 0156 15.00 +- 451.86
Zone 52
Easting 242.34 +- 38.45 Longitude 126.506
Northing 7572.39 +- 55.22 Latitude -21.934
Depth 5.00 +-4126.48 N
Arrival times = 6 S.D. = 0.657 Seismographs = 6
Nearest recorder = 471.1 km Gap = 103.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
465 km N (359 deg) of WBN
WESTERN AUSTRALIA
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 4.4
PHASE INFORMATION
DATA USED
ASPA i+P 116.00 0.20 0.90 115.92 0.08 783.7 105 -42.2 42.2
ASPA e S 193.70 0.50 0.47 190.88 2.82 783.7 105 -40.3 40.3
BAL e P 185.50 0.30 0.56 187.95 -2.45 1379.7 223 -42.2 42.2
BAL e S 312.00 0.10 0.63 316.30 -4.30 1379.7 223 -40.3 40.3
COOL e P 156.00 0.30 0.56 157.72 -1.72 1129.5 207 -42.2 42.2
COOL e S 262.00 0.50 0.46 263.66 -1.66 1129.5 207 -40.3 40.3
FORT e P 140.20 0.20 0.62 141.34 -1.14 994.3 171 -42.2 42.2
FORT e S 233.40 0.50 0.46 235.15 -1.75 994.3 171 -40.3 40.3
KLB e P 186.20 0.20 0.61 188.67 -2.47 1385.7 217 -42.2 42.2
KLB e S 314.00 0.10 0.63 317.55 -3.55 1385.7 217 -40.3 40.3
KNA e P 109.30 0.20 0.64 108.73 0.57 724.7 19 -42.2 42.2
KNA e S 181.00 1.00 0.42 178.37 2.63 724.7 19 -40.3 40.3
MBL e P 105.90 0.20 0.64 105.70 0.20 699.6 275 -42.2 42.2
MEEK e P 136.00 0.50 0.52 137.28 -1.28 960.5 235 -42.2 42.2
MEEK e S 224.00 1.00 0.40 228.08 -4.08 960.5 235 -40.3 40.3
MRWA e P 180.30 0.20 0.61 182.93 -2.63 1338.2 230 -42.2 42.2
MRWA e S 303.00 0.10 0.63 307.57 -4.57 1338.2 230 -40.3 40.3
MTN e P 156.00 0.50 0.51 156.39 -0.39 1118.9 26 -42.2 42.2
MTN e S 262.00 1.00 0.40 261.35 0.65 1118.9 26 -40.3 40.3
MUN e P 202.00 0.20 0.61 204.96 -2.96 1520.5 220 -42.2 42.2
MUN e S 342.00 0.50 0.46 345.92 -3.92 1520.5 220 -40.3 40.3
NANU e P 160.10 0.20 0.61 159.78 0.32 1147.0 264 -42.2 42.2
NWAO e P 204.60 0.50 0.51 206.38 -1.78 1532.2 214 -42.2 42.2
NWAO e S 345.00 1.00 0.40 348.39 -3.39 1532.2 214 -40.3 40.3
RKG e P 223.00 0.30 0.56 225.49 -2.49 1690.2 211 -42.2 42.2
RKG e S 380.00 0.50 0.46 381.65 -1.65 1690.2 211 -40.3 40.3
WARB e P 79.00 0.30 0.61 78.10 0.90 471.1 178 -42.2 42.2
WRA i-P 122.80 0.20 0.90 123.25 -0.45 844.6 76 -42.2 42.2
WRA e S 238.00 0.50 0.47 203.65 34.35 844.6 76 -40.3 40.3
NO VELOCITY RATIOS
Start
Date 1992-07-15
Origin Time 1055 4.29 +- 5.33
Zone 52
Easting 239.79 +- 11.50 Longitude 126.482
Northing 7576.82 +- 15.29 Latitude -21.893
Depth 5.00 +- 42.75 N
Arrival times = 8 S.D. = 0.584 Seismographs = 4
Nearest recorder = 475.7 km Gap = 161.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
470 km N (358 deg) of WBN
WESTERN AUSTRALIA
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
PHASE INFORMATION
DATA USED
MBL i P 94.40 0.10 1.05 94.64 -0.24 696.7 275 -42.2 42.2
MBL e S 162.00 0.10 0.66 161.78 0.22 696.7 275 -40.3 40.3
MEEK e P 127.00 0.50 0.52 126.64 0.36 961.0 234 -42.2 42.2
MEEK e S 218.00 0.50 0.46 217.48 0.52 961.0 234 -40.3 40.3
WARB e P 68.30 0.10 0.76 67.94 0.36 475.7 178 -42.2 42.2
WARB e S 115.00 0.10 0.69 115.29 -0.29 475.7 178 -40.3 40.3
WRA e P 111.80 0.30 0.58 112.70 -0.90 845.9 76 -42.2 42.2
WRA e S 194.80 1.00 0.41 193.22 1.58 845.9 76 -40.3 40.3
Velocity Ratios
WARB MBL WRA MEEK
WARB 1.73 1.80 1.83 1.75
0.00 0.02 0.04 0.03
MBL 1.80 1.75 1.89 1.72
0.02 0.00 0.11 0.05
WRA 1.83 1.89 1.77 1.53
0.04 0.11 0.01 0.19
MEEK 1.75 1.72 1.53 1.74
0.03 0.05 0.19 0.01
Start
Date 1992-07-16
Origin Time 0349 18.93 +- 5.60
Zone 52
Easting 231.77 +- 11.18 Longitude 126.407
Northing 7592.92 +- 20.93 Latitude -21.747
Depth 1.46 +- 43.79
Arrival times = 10 S.D. = 0.652 Seismographs = 5
Nearest recorder = 492.2 km Gap = 163.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
486 km N (357 deg) of WBN
WESTERN AUSTRALIA
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.8
PHASE INFORMATION
DATA USED
ASPA e P 123.10 0.50 0.53 122.13 0.97 799.4 107 -42.2 42.2
ASPA e S 198.00 1.00 0.41 198.74 -0.74 799.4 107 -40.3 40.3
MBL e P 109.00 1.00 0.46 108.57 0.43 687.6 274 -42.2 42.2
MBL e S 175.00 2.00 0.36 175.14 -0.14 687.6 274 -40.3 40.3
MEEK e P 142.40 0.20 0.62 142.05 0.35 964.2 233 -42.2 42.2
MEEK e S 233.00 0.20 0.56 233.42 -0.42 964.2 233 -40.3 40.3
WARB i P 84.70 0.30 0.87 84.97 -0.27 492.2 177 -42.2 42.2
WARB e S 135.00 1.00 0.43 134.05 0.95 492.2 177 -40.3 40.3
WRA e P 127.30 0.50 0.52 128.21 -0.91 849.9 77 -42.2 42.2
WRA e S 210.00 1.00 0.41 209.34 0.66 849.9 77 -40.3 40.3
Velocity Ratios
WARB MBL ASPA WRA MEEK
WARB 1.76 0.00 1.64 1.76 1.70
0.02 0.00 0.09 0.08 0.04
MBL 0.00 1.73 0.00 0.00 1.74
0.00 0.04 0.00 0.00 0.13
ASPA 1.64 0.00 1.72 0.00 1.81
0.09 0.00 0.02 0.00 0.13
WRA 1.76 0.00 0.00 1.76 1.52
0.08 0.00 0.00 0.02 0.16
MEEK 1.70 1.74 1.81 1.52 1.73
0.04 0.13 0.13 0.16 0.00
Start
Date 1992-07-18
Origin Time 0753 26.50 +- 6.02
Zone 51
Easting 303.73 +- 22.89 Longitude 121.169
Northing 8274.64 +- 33.88 Latitude -15.598
Depth 5.00 +- 70.45 N
Arrival times = 10 S.D. = 1.137 Seismographs = 5
Nearest recorder = 631.9 km Gap = 218.6 deg Accuracy = D
Effects Code = Imax = 0 Fault =
613 km NE ( 25 deg) of RP02
WESTERN AUSTRALIA
286 km NW (337 deg) of BROOME
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
PHASE INFORMATION
DATA USED
MBL e P 108.00 0.10 0.74 109.01 -1.01 631.9 192 -42.2 42.2
MBL e S 169.00 0.10 0.67 170.34 -1.34 631.9 192 -40.3 40.3
MEEK e P 184.00 1.00 0.44 184.01 -0.01 1251.8 191 -42.2 42.2
MEEK e S 300.50 0.50 0.46 300.92 -0.42 1251.8 191 -40.3 40.3
MTN e P 168.00 1.00 0.44 167.98 0.02 1119.7 75 -42.2 42.2
MTN e S 273.00 1.00 0.40 273.01 -0.01 1119.7 75 -40.3 40.3
NANU e P 151.00 0.10 0.71 150.58 0.42 975.8 216 -42.2 42.2
NANU e S 244.00 0.10 0.64 242.72 1.28 975.8 216 -40.3 40.3
WARB e P 190.00 1.00 0.44 190.14 -0.14 1302.5 155 -42.2 42.2
WARB e S 314.00 0.50 0.46 311.58 2.42 1302.5 155 -40.3 40.3
Velocity Ratios
MBL NANU MTN MEEK WARB
MBL 1.75 1.74 1.73 1.73 1.77
0.00 0.01 0.05 0.03 0.03
NANU 1.74 1.75 1.71 1.71 1.79
0.01 0.00 0.19 0.08 0.07
MTN 1.73 1.71 1.74 0.00 0.00
0.05 0.19 0.02 0.00 0.00
MEEK 1.73 1.71 0.00 1.74 0.00
0.03 0.08 0.00 0.01 0.00
WARB 1.77 1.79 0.00 0.00 1.76
0.03 0.07 0.00 0.00 0.01
Start
Date 1992-07-19
Origin Time 2353 24.82 +- 7.76
Zone 52
Easting 239.24 +- 14.51 Longitude 126.475
Northing 7568.17 +- 22.57 Latitude -21.971
Depth 5.00 +- 59.14 N
Arrival times = 9 S.D. = 0.975 Seismographs = 5
Nearest recorder = 467.0 km Gap = 159.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
461 km N (358 deg) of WBN
WESTERN AUSTRALIA
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.5
PHASE INFORMATION
DATA USED
ASPA e P 125.70 0.50 0.53 125.98 -0.28 785.7 105 -42.2 42.2
ASPA e S 197.20 1.00 0.41 201.12 -3.92 785.7 105 -40.3 40.3
MBL e P 117.00 0.50 0.53 115.20 1.80 696.9 276 -42.2 42.2
MBL e S 181.40 0.30 0.53 182.36 -0.96 696.9 276 -40.3 40.3
MEEK e P 146.00 0.50 0.52 146.51 -0.51 955.5 235 -42.2 42.2
MEEK e S 236.50 0.30 0.51 236.86 -0.36 955.5 235 -40.3 40.3
WARB e P 87.00 0.50 0.55 87.43 -0.43 467.0 177 -42.2 42.2
WARB e S 134.70 0.30 0.55 134.01 0.69 467.0 177 -40.3 40.3
WARB e SG 152.00 0.50 0.50 153.85 -1.85 467.0 177 0.7 0.7
WRA e P 134.50 0.50 0.52 133.57 0.93 848.6 76 -42.2 42.2
WRA e S 213.00 1.00 0.41 214.33 -1.33 848.6 76 -40.3 40.3
Velocity Ratios
WARB MBL WRA MEEK
WARB 1.77 1.56 1.65 1.73
0.02 0.07 0.06 0.04
MBL 1.56 1.70 1.81 1.90
0.07 0.01 0.19 0.09
WRA 1.65 1.81 1.72 0.00
0.06 0.19 0.02 0.00
MEEK 1.73 1.90 0.00 1.75
0.04 0.09 0.00 0.01
Start
Date 1992-07-22
Origin Time 1502 52.62 +- 17.02
Zone 53
Easting 110.79 +- 132.91 Longitude 131.106
Northing 7095.28 +- 150.70 Latitude -26.209
Depth 5.00 +- 146.94 N
Arrival times = 5 S.D. = 0.108 Seismographs = 4
Nearest recorder = 397.6 km Gap = 163.9 deg Accuracy = D
Effects Code = Imax = 0 Fault =
397 km SW (224 deg) of AS10
SOUTH AUSTRALIA
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
PHASE INFORMATION
DATA USED
ASPA i+P 106.80 0.10 1.11 106.85 -0.05 397.6 45 -42.2 42.2
ASPA i PG 117.60 0.30 0.89 117.49 0.11 397.6 45 0.8 0.8
ASPA e S 149.70 0.50 0.51 147.21 2.49 397.6 45 -40.3 40.3
FORT e P 130.00 0.50 0.54 130.24 -0.24 591.4 209 -42.2 42.2
FORT e S 192.00 1.00 0.42 187.94 4.06 591.4 209 -40.3 40.3
MBL e P 214.00 1.00 0.44 215.27 -1.27 1294.6 293 -42.2 42.2
MBL w S 330.00 2.00 0.35 335.98 -5.98 1294.6 293 -40.3 40.3
MEEK e P 206.50 0.10 0.70 211.60 -5.10 1263.9 265 -42.2 42.2
MEEK e S 327.00 0.10 0.63 329.59 -2.59 1263.9 265 -40.3 40.3
WARB e P 113.00 0.10 0.77 112.93 0.07 448.0 269 -42.2 42.2
WARB e S 161.70 0.10 0.69 157.81 3.89 448.0 269 -40.3 40.3
WRA i-P 151.70 0.10 1.04 151.75 -0.05 769.1 26 -42.2 42.2
WRA e S 226.60 0.50 0.47 225.39 1.21 769.1 26 -40.3 40.3
NO VELOCITY RATIOS
Start
Date 1992-07-23 Event type = BL
Origin Time 0805 30.07 +- 6.78
Zone 50
Easting 546.17 +- 22.84 Longitude 117.452
Northing 7413.68 +- 17.88 Latitude -23.386
Depth 5.00 +- 54.27 N
Arrival times = 12 S.D. = 1.875 Seismographs = 5
Nearest recorder = 220.7 km Gap = 110.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
43 km E ( 90 deg) of LP06
WESTERN AUSTRALIA
962 km N ( 10 deg) of PERTH
361 km S (199 deg) of PORT HEDLAND
312 km S (166 deg) of Dampier
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
PHASE INFORMATION
DATA USED
MBL i P 79.40 0.30 0.90 78.24 1.16 347.8 45 -42.2 42.2
MBL e S 115.00 0.50 0.51 114.11 0.89 347.8 45 -40.3 40.3
MEEK e P 80.30 0.30 0.63 82.01 -1.71 378.8 162 -42.2 42.2
MEEK e S 123.00 1.00 0.44 120.69 2.31 378.8 162 -40.3 40.3
MEEK e SG 135.00 1.00 0.44 134.71 0.29 378.8 162 0.8 0.8
MRWA e P 118.00 0.50 0.54 116.24 1.76 662.0 192 -42.2 42.2
MRWA w S 179.00 2.00 0.37 180.28 -1.28 662.0 192 -40.3 40.3
MRWA e SG 215.00 1.00 0.42 212.96 2.04 662.0 192 0.5 0.5
NANU e P 61.00 0.20 0.72 62.85 -1.85 220.7 294 -42.2 42.2
NANU e S 87.00 0.30 0.60 87.32 -0.32 220.7 294 -40.3 40.3
WARB e P 151.00 1.00 0.45 155.07 -4.07 983.0 110 -42.2 42.2
WARB e S 246.00 1.00 0.40 247.88 -1.88 983.0 110 -40.3 40.3
Velocity Ratios
NANU MBL MEEK MRWA WARB
NANU 1.84 1.52 1.87 1.61 1.77
0.02 0.09 0.12 0.06 0.04
MBL 1.52 1.72 0.00 1.66 1.83
0.09 0.02 0.00 0.10 0.06
MEEK 1.87 0.00 1.85 1.49 1.74
0.12 0.00 0.03 0.11 0.06
MRWA 1.61 1.66 1.49 1.69 2.03
0.06 0.10 0.11 0.03 0.19
WARB 1.77 1.83 1.74 2.03 1.79
0.04 0.06 0.06 0.19 0.02
Start
Date 1992-07-23
Origin Time 1545 25.50 +- 0.87
Zone 50
Easting 446.92 +- 8.37 Longitude 116.443
Northing 6554.13 +- 5.12 Latitude -31.145
Depth 1.00 +- 16.57 G
Arrival times = 9 S.D. = 0.340 Seismographs = 4
Nearest recorder = 64.8 km Gap = 155.1 deg Accuracy = A
Effects Code = Imax = 0 Fault =
19 km N (348 deg) of PIG3
WESTERN AUSTRALIA
105 km NE ( 32 deg) of PERTH
7 km S (185 deg) of Calingiri
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.6
PHASE INFORMATION
DATA USED
BAL e P 36.00 0.20 0.80 36.08 -0.08 64.8 22 1.1 1.1
BAL e S 43.00 0.30 0.66 43.41 -0.41 64.8 22 1.1 1.1
KLB e P 47.20 0.20 0.75 47.47 -0.27 134.6 111 0.6 0.6
KLB e S 63.30 0.50 0.56 62.70 0.60 134.6 111 0.6 0.6
MRWA e P 59.00 1.00 0.52 58.41 0.59 217.9 348 -42.2 42.2
MRWA e PG 61.00 0.20 0.72 61.05 -0.05 217.9 348 0.3 0.3
MRWA e S 83.30 0.30 0.59 82.93 0.37 217.9 348 -40.3 40.3
MUN e P 41.00 0.30 0.71 41.00 0.00 95.0 193 0.8 0.8
MUN e S 51.50 0.50 0.58 51.74 -0.24 95.0 193 0.8 0.8
NWAO e P 57.20 0.30 0.66 57.58 -0.38 211.1 159 -42.2 42.2
NWAO e SG 83.20 0.50 0.54 83.81 -0.61 211.1 159 0.3 0.3
Velocity Ratios
BAL MUN KLB MRWA
BAL 1.67 0.00 1.81 1.75
0.06 0.00 0.14 0.12
MUN 0.00 1.68 0.00 1.77
0.00 0.07 0.00 0.19
KLB 1.81 0.00 1.74 0.00
0.14 0.00 0.04 0.00
MRWA 1.75 1.77 0.00 1.73
0.12 0.19 0.00 0.06
Start
Date 1992-07-25
Origin Time 0156 39.35 +- 0.57
Zone 50
Easting 508.84 +- 5.12 Longitude 117.092
Northing 6593.27 +- 3.44 Latitude -30.793
Depth 0.69 +- 9.66
Arrival times = 8 S.D. = 0.182 Seismographs = 4
Nearest recorder = 42.3 km Gap = 175.9 deg Accuracy = A
Effects Code = Imax = 0 Fault =
4 km NW (295 deg) of CAS
WESTERN AUSTRALIA
174 km NE ( 43 deg) of PERTH
4 km SW (234 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.0
PHASE INFORMATION
DATA USED
BAL i-P 46.30 0.10 1.35 46.26 0.04 42.3 299 1.3 1.3
BAL e S 50.90 0.10 0.85 51.05 -0.15 42.3 299 1.3 1.3
KLB e P 57.10 0.20 0.76 57.12 -0.02 109.0 144 0.5 0.5
KLB e S 69.30 0.30 0.63 69.45 -0.15 109.0 144 0.5 0.5
MRWA e P 71.00 0.20 0.72 70.62 0.38 204.1 328 -42.2 42.2
MRWA e S 93.60 0.30 0.60 93.93 -0.33 204.1 328 -40.3 40.3
MUN e P 64.30 0.20 0.74 64.33 -0.03 155.9 212 -30.8 30.8
MUN e S 82.50 0.20 0.67 82.42 0.08 155.9 212 0.3 0.3
NWAO e SG 103.10 0.50 0.53 104.77 -1.67 236.8 176 0.2 0.2
Velocity Ratios
BAL KLB MUN MRWA
BAL 1.66 1.70 1.76 1.73
0.04 0.09 0.05 0.04
KLB 1.70 1.69 1.83 1.75
0.09 0.04 0.18 0.10
MUN 1.76 1.83 1.73 1.66
0.05 0.18 0.02 0.18
MRWA 1.73 1.75 1.66 1.71
0.04 0.10 0.18 0.02
Start
Date 1992-07-26
Origin Time 0803 59.38 +- 2.63
Zone 50
Easting 615.51 +- 10.34 Longitude 118.241
Northing 6314.63 +- 8.81 Latitude -33.301
Depth 1.00 +- 18.70 G
Arrival times = 7 S.D. = 0.255 Seismographs = 4
Nearest recorder = 102.8 km Gap = 172.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
42 km NW (304 deg) of PIN
WESTERN AUSTRALIA
270 km SE (124 deg) of PERTH
192 km N ( 10 deg) of ALBANY
31 km SW (224 deg) of Lake Grace
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.1
PHASE INFORMATION
DATA USED
BAL e P 110.00 1.00 0.50 106.08 3.92 332.0 333 -42.2 42.2
BAL e S 141.00 1.00 0.45 140.82 0.18 332.0 333 -40.3 40.3
COOL e SG 165.00 1.00 0.44 165.35 -0.35 383.6 46 0.2 0.2
KLB e P 89.60 0.30 0.67 89.50 0.10 194.8 346 -42.2 42.2
KLB e S 112.30 0.30 0.60 111.95 0.35 194.8 346 -40.3 40.3
MRWA e P 127.00 1.00 0.48 126.45 0.55 500.4 334 -42.2 42.2
MRWA w S 176.00 2.00 0.38 176.29 -0.29 500.4 334 -40.3 40.3
MRWA e SG 195.00 1.00 0.43 197.62 -2.62 500.4 334 0.1 0.1
MUN e P 96.80 0.20 0.71 95.02 1.78 240.5 307 -42.2 42.2
MUN e S 124.50 0.30 0.59 121.56 2.94 240.5 307 -40.3 40.3
NWAO e P 75.80 0.20 0.77 76.14 -0.34 102.8 293 0.7 0.7
NWAO e S 87.80 0.20 0.69 87.77 0.03 102.8 293 0.7 0.7
RKG e P 88.00 0.30 0.67 87.81 0.19 180.9 218 -42.2 42.2
RKG e S 109.00 0.20 0.66 109.01 -0.01 180.9 218 -40.3 40.3
Velocity Ratios
NWAO RKG KLB
NWAO 1.73 1.74 1.78
0.03 0.11 0.10
RKG 1.74 1.73 0.00
0.11 0.03 0.00
KLB 1.78 0.00 1.75
0.10 0.00 0.03
Start
Date 1992-07-27
Origin Time 0323 28.99 +- 0.73
Zone 50
Easting 513.65 +- 4.43 Longitude 117.143
Northing 6600.21 +- 4.34 Latitude -30.731
Depth 0.68 +- 9.87
Arrival times = 8 S.D. = 0.154 Seismographs = 4
Nearest recorder = 44.0 km Gap = 182.2 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km S (173 deg) of CAK
WESTERN AUSTRALIA
183 km NE ( 43 deg) of PERTH
5 km N ( 15 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
PHASE INFORMATION
DATA USED
BAL i-P 36.10 0.10 1.35 36.16 -0.06 44.0 288 1.3 1.3
BAL e S 41.20 0.20 0.74 41.13 0.07 44.0 288 1.3 1.3
KLB e P 47.20 0.20 0.76 47.27 -0.07 112.1 148 0.5 0.5
KLB e S 60.00 0.20 0.68 59.95 0.05 112.1 148 0.5 0.5
MRWA e P 60.20 0.20 0.72 59.86 0.34 200.8 326 -42.2 42.2
MRWA e S 82.70 0.20 0.65 82.88 -0.18 200.8 326 -40.3 40.3
MUN e P 55.00 0.30 0.68 55.15 -0.15 164.4 212 -30.8 30.8
MUN e S 74.50 0.20 0.66 74.39 0.11 164.4 212 0.3 0.3
NWAO e SG 95.00 1.00 0.46 96.26 -1.26 243.5 178 0.2 0.2
Velocity Ratios
BAL KLB MUN MRWA
BAL 1.72 1.69 1.76 1.72
0.05 0.08 0.06 0.04
KLB 1.69 1.70 1.86 1.75
0.08 0.03 0.18 0.09
MUN 1.76 1.86 1.75 0.00
0.06 0.18 0.03 0.00
MRWA 1.72 1.75 0.00 1.72
0.04 0.09 0.00 0.02
Start
Date 1992-07-27
Origin Time 0940 37.40 +-1596.84
Zone 52
Easting 529.03 +- 152.78 Longitude 129.286
Northing 7314.29 +- 308.06 Latitude -24.284
Depth 5.00 +-14582.73 N
Arrival times = 5 S.D. = 0.539 Seismographs = 5
Nearest recorder = 339.3 km Gap = 120.3 deg Accuracy = C
Effects Code = Imax = 0 Fault =
339 km NE ( 52 deg) of WARB
NORTHERN TERRITORY
68 km N ( 18 deg) of DOCKER RIVER
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.0
PHASE INFORMATION
DATA USED
ASPA i-P 100.90 0.10 1.09 100.94 -0.04 474.6 82 -42.2 42.2
ASPA i PG 112.30 0.20 0.95 114.83 -2.53 474.6 82 0.7 0.7
ASPA i S 149.60 0.20 0.86 148.21 1.39 474.6 82 -40.3 40.3
COOL e P 126.00 0.10 0.70 175.11 -49.11 1088.0 225 -42.2 42.2
FORT e P 131.00 0.50 0.53 131.99 -0.99 731.8 189 -42.2 42.2
FORT e S 202.00 0.50 0.48 202.27 -0.27 731.8 189 -40.3 40.3
MBL e P 167.50 1.00 0.45 168.53 -1.03 1033.9 287 -42.2 42.2
MBL e S 266.00 2.00 0.35 265.88 0.12 1033.9 287 -40.3 40.3
MEEK e P 175.00 0.10 0.70 177.58 -2.58 1108.4 254 -42.2 42.2
MEEK e S 277.00 0.10 0.63 281.63 -4.63 1108.4 254 -40.3 40.3
MRWA e P 200.00 0.10 0.70 217.41 -17.41 1438.0 244 -42.2 42.2
MRWA e S 346.00 0.10 0.63 350.98 -4.98 1438.0 244 -40.3 40.3
WARB i+P 84.90 0.10 1.13 84.57 0.33 339.3 230 -42.2 42.2
WARB e S 122.50 0.50 0.52 119.71 2.79 339.3 230 -40.3 40.3
WRA e P 129.70 0.30 0.59 129.35 0.35 709.7 48 -42.2 42.2
WRA e S 200.50 0.50 0.48 197.67 2.83 709.7 48 -40.3 40.3
NO VELOCITY RATIOS
Start
Date 1992-07-27
Origin Time 1159 51.55 +- 5.30
Zone 51
Easting 408.68 +- 11.80 Longitude 122.139
Northing 8052.14 +- 20.03 Latitude -17.616
Depth 5.00 +- 48.84 N
Arrival times = 9 S.D. = 0.567 Seismographs = 5
Nearest recorder = 461.2 km Gap = 191.9 deg Accuracy = C
Effects Code = F Imax = 4 Fault =
461 km NE ( 32 deg) of MBL
WESTERN AUSTRALIA
40 km N (346 deg) of BROOME
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 4.0
PHASE INFORMATION
DATA USED
ASPA i-P 229.20 0.20 0.87 227.32 1.88 1402.8 120 -42.2 42.2
ASPA e S 363.30 0.50 0.46 357.76 5.54 1402.8 120 -40.3 40.3
BAL e P 242.30 0.50 0.51 244.21 -1.91 1542.7 199 -42.2 42.2
BAL e S 384.00 0.50 0.46 387.16 -3.16 1542.7 199 -40.3 40.3
COOL e P 233.00 0.50 0.51 235.78 -2.78 1472.8 183 -42.2 42.2
COOL e S 370.00 0.50 0.46 372.48 -2.48 1472.8 183 -40.3 40.3
FORT e P 246.00 0.50 0.51 248.59 -2.59 1579.1 158 -42.2 42.2
FORT e S 396.00 1.00 0.40 394.80 1.20 1579.1 158 -40.3 40.3
KLB e P 251.00 0.20 0.61 252.50 -1.50 1611.3 195 -42.2 42.2
KLB e S 396.00 0.30 0.51 401.60 -5.60 1611.3 195 -40.3 40.3
KNA e P 146.00 0.20 0.64 146.78 -0.78 737.1 74 -42.2 42.2
KNA e S 218.00 1.00 0.42 217.53 0.47 737.1 74 -40.3 40.3
KNA e SG 259.00 2.00 0.36 255.17 3.83 737.1 74 0.4 0.4
MBL e P 113.50 0.10 0.77 113.42 0.08 461.2 211 -42.2 42.2
MBL w S 158.00 2.00 0.39 159.45 -1.45 461.2 211 -40.3 40.3
MEEK e S 285.50 0.50 0.46 286.35 -0.85 1063.7 199 -40.3 40.3
MRWA e P 229.40 0.20 0.61 230.82 -1.42 1432.0 204 -42.2 42.2
MRWA e S 359.80 0.30 0.51 363.86 -4.06 1432.0 204 -40.3 40.3
MTN e P 191.00 1.00 0.44 191.02 -0.02 1103.1 62 -42.2 42.2
MTN e S 293.00 1.00 0.40 294.57 -1.57 1103.1 62 -40.3 40.3
MUN e P 262.00 0.50 0.51 263.47 -1.47 1702.1 199 -42.2 42.2
MUN e S 418.00 0.50 0.46 420.70 -2.70 1702.1 199 -40.3 40.3
NANU e P 165.00 0.10 0.72 164.66 0.34 885.0 230 -42.2 42.2
NANU e S 248.00 0.50 0.47 248.67 -0.67 885.0 230 -40.3 40.3
RKG w P 291.00 2.00 0.39 293.28 -2.28 1948.5 194 -42.2 42.2
RKG w S 469.00 2.00 0.35 472.60 -3.60 1948.5 194 -40.3 40.3
WARB i-P 185.80 0.10 1.01 185.44 0.36 1056.5 154 -42.2 42.2
WARB e S 284.60 0.30 0.51 284.84 -0.24 1056.5 154 -40.3 40.3
WRA e P 215.30 0.30 0.56 217.07 -1.77 1318.2 103 -42.2 42.2
WRA e S 338.10 0.50 0.46 339.91 -1.81 1318.2 103 -40.3 40.3
Velocity Ratios
MBL KNA NANU WARB
MBL 1.72 1.85 1.75 1.75
0.04 0.11 0.06 0.04
KNA 1.85 1.76 1.58 1.67
0.11 0.01 0.11 0.05
NANU 1.75 1.58 1.73 1.76
0.06 0.11 0.01 0.06
WARB 1.75 1.67 1.76 1.74
0.04 0.05 0.06 0.00
Start
Date 1992-07-28
Origin Time 0328 12.07 +- 132.31
Zone 50
Easting 554.90 +- 954.35 Longitude 117.535
Northing 7474.33 +- 318.80 Latitude -22.838
Depth 5.00 +-1639.45 N
Arrival times = 5 S.D. = 1.412 Seismographs = 3
Nearest recorder = 301.4 km Gap = 246.5 deg Accuracy = D
Effects Code = Imax = 0 Fault =
79 km NE ( 40 deg) of LP06
WESTERN AUSTRALIA
301 km S (201 deg) of PORT HEDLAND
26 km W (248 deg) of Mt Tom Price
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
MBL e P 54.20 0.10 0.80 54.63 -0.43 301.4 52 -42.2 42.2
MBL e S 86.00 0.10 0.72 86.34 -0.34 301.4 52 -40.3 40.3
MEEK e P 72.50 0.10 0.77 70.79 1.71 434.8 165 -42.2 42.2
MEEK e S 112.50 0.10 0.69 114.48 -1.98 434.8 165 -40.3 40.3
WARB e P 119.00 0.10 0.71 138.89 -19.89 998.0 113 -42.2 42.2
WARB e S 234.00 0.10 0.64 233.04 0.96 998.0 113 -40.3 40.3
Velocity Ratios
MBL MEEK
MBL 1.75 1.45
0.01 0.03
MEEK 1.45 1.66
0.03 0.00
Start
Date 1992-07-28
Origin Time 0933 14.05 +- 10.43
Zone 54
Easting 298.14 +- 249.87 Longitude 138.876
Northing 6519.82 +- 179.16 Latitude -31.439
Depth 5.00 +- 370.95 N
Arrival times = 8 S.D. = 1.141 Seismographs = 4
Nearest recorder = 992.1 km Gap = 291.7 deg Accuracy = D
Effects Code = Imax = 0 Fault =
47 km NE ( 40 deg) of HKR
SOUTH AUSTRALIA
388 km N ( 4 deg) of ADELAIDE
115 km SE (158 deg) of LEIGH CREEK
66 km NE ( 40 deg) of HAWKER
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.4
PHASE INFORMATION
DATA USED
ASPA e P 140.80 0.50 0.51 140.17 0.63 992.1 329 -42.2 42.2
ASPA e S 234.20 1.00 0.40 233.80 0.40 992.1 329 -40.3 40.3
COOL S 385.00 1.00 0.57 386.50 -1.50 1717.5 267 -40.3 40.3
FORT e P 148.00 0.50 0.51 146.05 1.95 1041.2 271 -42.2 42.2
FORT e S 244.00 1.00 0.40 244.06 -0.06 1041.2 271 -40.3 40.3
FORT e SG 302.00 1.00 0.40 301.67 0.33 1041.2 271 0.3 0.3
WARB e P 181.00 0.30 0.56 182.22 -1.22 1340.0 293 -42.2 42.2
WARB e S 306.00 1.00 0.40 307.03 -1.03 1340.0 293 -40.3 40.3
WARB e SG 394.00 1.00 0.40 384.23 9.77 1340.0 293 0.2 0.2
WRA i+P 183.50 0.20 0.87 184.03 -0.53 1355.1 339 -42.2 42.2
WRA e S 311.70 1.00 0.40 310.18 1.52 1355.1 339 -40.3 40.3
Velocity Ratios
ASPA FORT WARB WRA
ASPA 1.74 0.00 1.79 1.81
0.01 0.00 0.09 0.08
FORT 0.00 1.72 1.88 1.91
0.00 0.01 0.11 0.10
WARB 1.79 1.88 1.75 0.00
0.09 0.11 0.01 0.00
WRA 1.81 1.91 0.00 1.76
0.08 0.10 0.00 0.01
Start
Date 1992-07-28
Origin Time 1133 15.34 +- 11.50
Zone 53
Easting 268.74 +- 73.51 Longitude 132.684
Northing 7089.67 +- 57.69 Latitude -26.294
Depth 5.00 +- 113.10 N
Arrival times = 8 S.D. = 1.643 Seismographs = 4
Nearest recorder = 314.2 km Gap = 197.8 deg Accuracy = D
Effects Code = Imax = 0 Fault =
313 km SW (203 deg) of AS10
SOUTH AUSTRALIA
24 km E ( 80 deg) of KENMORE PARK HS
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.6
PHASE INFORMATION
DATA USED
ASPA e P 63.00 0.50 0.58 59.49 3.51 314.2 23 -42.2 42.2
ASPA e S 93.60 1.00 0.45 92.38 1.22 314.2 23 -40.3 40.3
COOL e S 286.00 2.00 0.35 288.84 -2.84 1247.5 242 -40.3 40.3
FORT e P 101.50 0.50 0.53 103.10 -1.60 675.2 220 -42.2 42.2
FORT e S 169.00 1.00 0.42 168.31 0.69 675.2 220 -40.3 40.3
WARB e P 94.50 0.50 0.54 94.73 -0.23 605.7 269 -42.2 42.2
WARB e S 155.00 1.00 0.42 153.73 1.27 605.7 269 -40.3 40.3
WRA i-P 108.00 0.10 1.05 108.93 -0.93 723.3 13 -42.2 42.2
WRA i S 177.90 0.30 0.76 178.47 -0.57 723.3 13 -40.3 40.3
Velocity Ratios
ASPA WARB FORT WRA
ASPA 1.64 1.95 1.96 1.87
0.04 0.13 0.11 0.05
WARB 1.95 1.76 0.00 1.70
0.13 0.02 0.00 0.18
FORT 1.96 0.00 1.78 0.00
0.11 0.00 0.02 0.00
WRA 1.87 1.70 0.00 1.75
0.05 0.18 0.00 0.01
Start
Date 1992-07-29
Origin Time 0451 40.83 +- 8.28
Zone 51
Easting 404.84 +- 23.56 Longitude 122.103
Northing 8060.91 +- 30.25 Latitude -17.536
Depth 5.00 +- 76.13 N
Arrival times = 8 S.D. = 0.617 Seismographs = 4
Nearest recorder = 466.8 km Gap = 193.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
466 km NE ( 31 deg) of MBL
WESTERN AUSTRALIA
50 km N (344 deg) of BROOME
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.1
PHASE INFORMATION
DATA USED
MBL i-P 103.80 0.10 1.09 103.38 0.42 466.8 210 -42.2 42.2
MBL e S 149.00 1.00 0.43 149.92 -0.92 466.8 210 -40.3 40.3
MEEK e P 177.00 0.30 0.56 176.44 0.56 1070.7 198 -42.2 42.2
MEEK e S 276.00 1.00 0.40 277.12 -1.12 1070.7 198 -40.3 40.3
MTN e P 179.80 0.30 0.56 180.23 -0.43 1102.4 62 -42.2 42.2
MTN e S 284.00 1.00 0.40 283.71 0.29 1102.4 62 -40.3 40.3
NANU w P 153.00 2.00 0.40 154.27 -1.27 887.7 229 -42.2 42.2
NANU w S 238.00 2.00 0.36 238.51 -0.51 887.7 229 -40.3 40.3
WARB e P 176.00 0.50 0.51 175.88 0.12 1066.1 154 -42.2 42.2
WARB e S 276.00 0.50 0.46 276.13 -0.13 1066.1 154 -40.3 40.3
Velocity Ratios
MBL NANU WARB MTN
MBL 1.72 1.81 1.76 1.78
0.02 0.14 0.04 0.04
NANU 1.81 1.76 0.00 0.00
0.14 0.05 0.00 0.00
WARB 1.76 0.00 1.74 0.00
0.04 0.00 0.01 0.00
MTN 1.78 0.00 0.00 1.75
0.04 0.00 0.00 0.01
Start
Date 1992-07-31
Origin Time 0931 15.16 +- 0.70
Zone 50
Easting 513.71 +- 4.21 Longitude 117.143
Northing 6600.56 +- 4.74 Latitude -30.728
Depth 1.00 +- 11.19 G
Arrival times = 9 S.D. = 0.253 Seismographs = 5
Nearest recorder = 43.9 km Gap = 182.4 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km S (168 deg) of CAK
WESTERN AUSTRALIA
183 km NE ( 43 deg) of PERTH
5 km N ( 15 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.7
PHASE INFORMATION
DATA USED
BAL e P 22.00 0.05 1.08 22.33 -0.33 43.9 287 1.7 1.7
BAL i S 27.40 0.10 1.21 27.30 0.10 43.9 287 1.7 1.7
KLB i-P 33.30 0.10 1.25 33.49 -0.19 112.4 148 0.7 0.7
KLB i S 46.40 0.10 1.12 46.20 0.20 112.4 148 0.7 0.7
MRWA e P 46.30 0.20 0.72 45.97 0.33 200.6 326 -42.2 42.2
MRWA e S 69.00 0.20 0.65 68.94 0.06 200.6 326 -40.3 40.3
MUN e P 41.70 0.30 0.68 41.34 0.36 164.7 212 -30.8 30.8
MUN e S 60.70 0.20 0.66 60.66 0.04 164.7 212 0.4 0.4
NWAO e SG 82.20 0.50 0.53 82.53 -0.33 243.9 178 0.3 0.3
Velocity Ratios
BAL KLB MUN MRWA
BAL 1.79 1.68 1.69 1.71
0.03 0.04 0.05 0.03
KLB 1.68 1.72 1.70 1.74
0.04 0.02 0.12 0.06
MUN 1.69 1.70 1.72 0.00
0.05 0.12 0.03 0.00
MRWA 1.71 1.74 0.00 1.73
0.03 0.06 0.00 0.02
Start
Date 1992-08-02
Origin Time 0734 14.15 +- 7.21
Zone 52
Easting 262.39 +- 16.85 Longitude 126.730
Northing 7797.35 +- 25.66 Latitude -19.906
Depth 5.00 +- 71.13 N
Arrival times = 11 S.D. = 1.139 Seismographs = 7
Nearest recorder = 695.5 km Gap = 193.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
508 km SW (204 deg) of KNA
WESTERN AUSTRALIA
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
WARB -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.2
PHASE INFORMATION
DATA USED
ASPA e P 122.00 1.00 0.45 123.25 -1.25 851.4 120 -42.2 42.2
ASPA e S 205.40 1.00 0.41 204.28 1.12 851.4 120 -40.3 40.3
COOL e P 183.00 2.00 0.38 182.68 0.32 1343.0 203 -42.2 42.2
COOL e S 306.00 1.00 0.40 307.75 -1.75 1343.0 203 -40.3 40.3
FORT e P 167.00 1.00 0.44 167.06 -0.06 1214.1 173 -42.2 42.2
FORT e S 280.00 1.00 0.40 280.55 -0.55 1214.1 173 -40.3 40.3
MBL e P 109.50 0.20 0.64 109.23 0.27 735.8 257 -42.2 42.2
MBL e S 179.00 0.50 0.48 179.88 -0.88 735.8 257 -40.3 40.3
MEEK e P 158.00 2.00 0.38 155.88 2.12 1121.3 226 -42.2 42.2
MEEK e S 255.00 1.00 0.40 261.09 -6.09 1121.3 226 -40.3 40.3
NANU e P 166.70 0.30 0.56 166.87 -0.17 1212.6 253 -42.2 42.2
NANU e S 270.00 2.00 0.35 280.24 -10.24 1212.6 253 -40.3 40.3
WARB e P 106.50 0.30 0.59 104.39 2.11 695.5 180 -42.2 42.2
WARB e S 170.00 0.30 0.53 171.44 -1.44 695.5 180 -40.3 40.3
WB2 e P 116.00 0.50 0.53 116.82 -0.82 798.4 91 -42.2 42.2
WB2 e S 190.00 1.00 0.41 193.09 -3.09 798.4 91 -40.3 40.3
Velocity Ratios
WARB MBL ASPA FORT
WARB 1.69 0.00 0.00 1.82
0.01 0.00 0.00 0.06
MBL 0.00 1.73 0.00 1.76
0.00 0.01 0.00 0.06
ASPA 0.00 0.00 1.77 1.66
0.00 0.00 0.03 0.12
FORT 1.82 1.76 1.66 1.74
0.06 0.06 0.12 0.02
Start
Date 1992-08-02
Origin Time 1751 15.71 +- 0.00
Zone 50
Easting 587.47 +- 0.00 Longitude 117.858
Northing 7370.81 +- 0.00 Latitude -23.771
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 0.438 Seismographs = 2
Nearest recorder = 277.0 km Gap = 263.7 deg Accuracy = D
Effects Code = Imax = 0 Fault =
95 km SE (117 deg) of LP06
WESTERN AUSTRALIA
928 km N ( 13 deg) of PERTH
392 km S (191 deg) of PORT HEDLAND
365 km S (161 deg) of Dampier
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.9
PHASE INFORMATION
DATA USED
MBL e P 64.50 0.20 0.69 64.56 -0.06 353.5 35 -42.2 42.2
MBL e S 101.00 0.50 0.51 100.94 0.06 353.5 35 -40.3 40.3
NANU w P 55.00 2.00 0.45 55.29 -0.29 277.0 299 -42.2 42.2
NANU e S 84.00 1.00 0.46 84.82 -0.82 277.0 299 -40.3 40.3
Velocity Ratios
NANU MBL
NANU 1.74 0.00
0.12 0.00
MBL 0.00 1.75
0.00 0.02
Start
Date 1992-08-03
Origin Time 0151 54.01 +- 77.41
Zone 49
Easting 677.57 +-2380.08 Longitude 112.739
Northing 7403.66 +-1041.48 Latitude -23.467
Depth 5.00 +-2313.48 N
Arrival times = 5 S.D. = 0.768 Seismographs = 3
Nearest recorder = 301.2 km Gap = 276.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
188 km W (258 deg) of LP03
WESTERN AUSTRALIA
989 km N (341 deg) of PERTH
183 km NW (329 deg) of CARNARVON
Record Dur Sync Unc Resp Seismometer Recorder Pol
NANU -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.6
PHASE INFORMATION
DATA USED
MBL e P 157.50 0.50 0.53 154.11 3.39 777.2 72 -42.2 42.2
MBL e S 227.50 0.50 0.47 228.46 -0.96 777.2 72 -40.3 40.3
MEEK e P 147.00 0.50 0.53 143.69 3.31 690.8 122 -42.2 42.2
MEEK e S 212.00 0.50 0.48 210.32 1.68 690.8 122 -40.3 40.3
MRWA e P 146.00 0.50 0.53 146.71 -0.71 716.0 153 -42.2 42.2
MRWA e S 216.00 0.30 0.53 215.58 0.42 716.0 153 -40.3 40.3
NANU e P 97.10 0.10 0.80 96.54 0.56 301.2 70 -42.2 42.2
NANU e S 129.00 0.30 0.58 128.23 0.77 301.2 70 -40.3 40.3
Velocity Ratios
NANU MRWA
NANU 1.74 1.78
0.01 0.03
MRWA 1.78 1.76
0.03 0.01
Start
Date 1992-08-03
Origin Time 0659 21.90 +- 73.72
Zone 50
Easting 421.22 +- 436.91 Longitude 116.161
Northing 6399.63 +- 277.20 Latitude -32.538
Depth 5.00 +- 245.93 N
Arrival times = 5 S.D. = 0.572 Seismographs = 3
Nearest recorder = 62.2 km Gap = 308.6 deg Accuracy = D
Effects Code = Imax = 0 Fault =
62 km S (184 deg) of MUN
WESTERN AUSTRALIA
71 km SE (156 deg) of PERTH
23 km S (171 deg) of Jarrahdale
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL e P 54.00 0.50 0.60 54.65 -0.65 220.2 13 -42.2 42.2
BAL e S 79.00 0.50 0.54 79.09 -0.09 220.2 13 -40.3 40.3
KLB e P 51.00 0.50 0.61 50.24 0.76 183.8 55 -42.2 42.2
KLB e S 71.00 0.50 0.55 71.42 -0.42 183.8 55 -40.3 40.3
MUN e P 29.50 0.50 0.66 32.08 -2.58 62.2 4 4.8 4.8
MUN e SG 39.40 0.40 0.63 39.14 0.26 62.2 4 4.8 4.8
Velocity Ratios
KLB BAL
KLB 1.69 0.00
0.05 0.00
BAL 0.00 1.78
0.00 0.04
Start
Date 1992-08-03
Origin Time 1243 15.54 +- 167.48
Zone 49
Easting 498.02 +-8663.70 Longitude 110.980
Northing 7263.44 +-1622.38 Latitude -24.744
Depth 5.00 +-9393.07 N
Arrival times = 5 S.D. = 0.518 Seismographs = 3
Nearest recorder = 521.7 km Gap = 286.8 deg Accuracy = D
Effects Code = Imax = 0 Fault =
370 km NW (295 deg) of LP01
WESTERN AUSTRALIA
930 km NW (328 deg) of PERTH
272 km W (273 deg) of CARNARVON
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.4
PHASE INFORMATION
DATA USED
MBL S 235.00 2.00 0.50 235.53 -0.53 993.6 68 -40.3 40.3
MRWA e P 106.50 0.50 0.53 106.65 -0.15 702.9 136 -42.2 42.2
MRWA e S 174.50 0.50 0.48 174.35 0.15 702.9 136 -40.3 40.3
NANU e P 85.00 0.50 0.55 84.71 0.29 521.7 62 -42.2 42.2
NANU e S 137.00 0.50 0.49 136.16 0.84 521.7 62 -40.3 40.3
Velocity Ratios
NANU MRWA
NANU 1.75 1.74
0.02 0.13
MRWA 1.74 1.75
0.13 0.02
Start
Date 1992-08-04
Origin Time 0919 39.23 +- 36.02
Zone 50
Easting 352.58 +- 133.67 Longitude 115.464
Northing 6628.44 +- 114.61 Latitude -30.467
Depth 5.00 +- 146.19 N
Arrival times = 6 S.D. = 1.182 Seismographs = 3
Nearest recorder = 120.2 km Gap = 260.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
120 km W (277 deg) of BAL
WESTERN AUSTRALIA
168 km N (347 deg) of PERTH
46 km SE (114 deg) of Jurien
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL e P 58.00 0.50 0.63 58.85 -0.85 120.2 97 -30.8 30.8
BAL e S 73.00 1.00 0.49 72.47 0.53 120.2 97 2.5 2.5
BAL SMS 77.00 0.50 0.45 75.63 1.37 120.2 97 -34.7 34.7
KLB e S 102.00 1.00 0.46 103.14 -1.14 252.1 120 -40.3 40.3
MRWA e P 64.00 0.50 0.62 62.70 1.30 147.7 20 -30.8 30.8
MRWA e S 79.00 0.50 0.56 80.05 -1.05 147.7 20 2.1 2.1
Velocity Ratios
BAL MRWA
BAL 1.80 0.00
0.10 0.00
MRWA 0.00 1.61
0.00 0.05
Start
Date 1992-08-05
Origin Time 0944 54.23 +- 20.47
Zone 50
Easting 490.99 +- 198.22 Longitude 116.907
Northing 6698.19 +- 97.37 Latitude -29.847
Depth 5.00 +- 112.01 N
Arrival times = 6 S.D. = 0.736 Seismographs = 4
Nearest recorder = 86.4 km Gap = 209.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
48 km NW (299 deg) of KOO3
WESTERN AUSTRALIA
254 km NE ( 24 deg) of PERTH
26 km SW (245 deg) of Mt Gibson Mine
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL e P 68.00 0.50 0.65 68.35 -0.35 86.4 192 3.5 3.5
KLB e P 86.00 0.50 0.60 85.73 0.27 209.9 157 -42.2 42.2
KLB e S 110.00 1.00 0.47 109.26 0.74 209.9 157 -40.3 40.3
MRWA e P 71.70 0.20 0.76 72.59 -0.89 112.4 308 2.7 2.7
MRWA e S 86.20 0.20 0.68 85.32 0.88 112.4 308 2.7 2.7
MUN e P 90.00 1.00 0.51 90.03 -0.03 245.5 195 -42.2 42.2
Velocity Ratios
MRWA KLB
MRWA 1.83 1.66
0.03 0.17
KLB 1.66 1.76
0.17 0.06
Start
Date 1992-08-05
Origin Time 2152 52.71 +- 25.64
Zone 49
Easting 853.02 +- 77.28 Longitude 114.409
Northing 7609.23 +- 70.24 Latitude -21.585
Depth 5.00 +- 109.89 N
Arrival times = 6 S.D. = 0.880 Seismographs = 3
Nearest recorder = 155.1 km Gap = 276.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
146 km NW (312 deg) of LP04
WESTERN AUSTRALIA
81 km NE ( 25 deg) of Learmonth
47 km NE ( 38 deg) of Exmouth
Record Dur Sync Unc Resp Seismometer Recorder Pol
NANU -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.9
PHASE INFORMATION
DATA USED
COOL w S 320.00 4.00 0.30 323.90 -3.90 1236.5 148 -40.3 40.3
MBL e P 127.70 0.50 0.54 127.42 0.28 567.3 86 -42.2 42.2
MBL e S 182.00 0.50 0.49 182.96 -0.96 567.3 86 -40.3 40.3
MEEK e P 146.00 0.30 0.59 144.31 1.69 706.7 143 -42.2 42.2
MEEK e S 212.30 0.50 0.48 212.36 -0.06 706.7 143 -40.3 40.3
MRWA e P 162.50 0.30 0.58 163.07 -0.57 862.0 169 -42.2 42.2
MRWA e S 244.50 0.50 0.47 245.03 -0.53 862.0 169 -40.3 40.3
NANU i+P 78.00 0.10 1.21 77.21 0.79 155.1 133 -30.8 30.8
NANU e S 96.50 1.00 0.48 95.59 0.91 155.1 133 1.9 1.9
Velocity Ratios
NANU MBL MRWA
NANU 1.73 1.72 1.75
0.05 0.05 0.03
MBL 1.72 1.72 1.80
0.05 0.02 0.07
MRWA 1.75 1.80 1.75
0.03 0.07 0.01
Start
Date 1992-08-08
Origin Time 0559 48.95 +- 82.54
Zone 50
Easting 325.84 +- 443.15 Longitude 115.161
Northing 6483.12 +- 774.57 Latitude -31.774
Depth 5.00 +- 524.61 N
Arrival times = 5 S.D. = 0.829 Seismographs = 4
Nearest recorder = 101.6 km Gap = 272.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
95 km W (267 deg) of PIG4
WESTERN AUSTRALIA
97 km W (278 deg) of Mundaring
68 km W (286 deg) of PERTH
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.6
PHASE INFORMATION
DATA USED
BAL e P 79.00 0.10 0.83 78.77 0.23 196.1 48 -42.2 42.2
KLB e P 86.50 0.10 0.81 84.96 1.54 247.2 85 -42.2 42.2
MRWA e P 90.00 0.10 0.80 90.67 -0.67 294.4 15 -42.2 42.2
MUN S-P 11.90 0.10 1.26 11.51 0.39 101.6 103 0.0 0.0
MUN i P 65.10 0.10 1.26 65.55 -0.45 101.6 103 3.0 3.0
MUN e S 77.00 0.10 0.79 77.06 -0.06 101.6 103 3.0 3.0
Velocity Ratios
MUN
MUN 1.74
0.02
Start
Date 1992-08-10
Origin Time 0805 10.95 +- 0.68
Zone 50
Easting 510.06 +- 4.79 Longitude 117.105
Northing 6597.88 +- 4.42 Latitude -30.752
Depth 1.00 +- 9.63 C
Arrival times = 8 S.D. = 0.199 Seismographs = 4
Nearest recorder = 41.4 km Gap = 178.8 deg Accuracy = A
Effects Code = Imax = 0 Fault =
3 km NW (302 deg) of CADX
WESTERN AUSTRALIA
179 km NE ( 42 deg) of PERTH
3 km NW (310 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.8
PHASE INFORMATION
DATA USED
BAL i-P 17.70 0.10 1.35 17.71 -0.01 41.4 292 1.8 1.8
BAL e S 22.20 0.20 0.74 22.40 -0.20 41.4 292 1.8 1.8
KLB e P 29.20 0.20 0.76 29.24 -0.04 112.1 146 0.7 0.7
KLB e S 41.70 0.20 0.68 41.91 -0.21 112.1 146 0.7 0.7
MRWA e P 42.00 0.20 0.72 41.80 0.20 200.8 327 -42.2 42.2
MRWA e S 64.70 0.20 0.65 64.79 -0.09 200.8 327 -40.3 40.3
MUN e P 37.00 0.30 0.68 36.54 0.46 160.5 211 -30.8 30.8
MUN e S 55.20 0.30 0.61 55.28 -0.08 160.5 211 0.4 0.4
Velocity Ratios
BAL KLB MUN MRWA
BAL 1.67 1.70 1.71 1.75
0.06 0.08 0.06 0.04
KLB 1.70 1.69 1.73 1.80
0.08 0.03 0.19 0.09
MUN 1.71 1.73 1.70 0.00
0.06 0.19 0.03 0.00
MRWA 1.75 1.80 0.00 1.73
0.04 0.09 0.00 0.02
Start
Date 1992-08-11
Origin Time 1107 37.22 +- 0.83
Zone 50
Easting 505.90 +- 7.78 Longitude 117.062
Northing 6584.44 +- 5.05 Latitude -30.873
Depth 5.00 +- 12.83 N
Arrival times = 8 S.D. = 0.163 Seismographs = 4
Nearest recorder = 45.0 km Gap = 169.9 deg Accuracy = A
Effects Code = Imax = 0 Fault =
9 km SW (223 deg) of CAS
WESTERN AUSTRALIA
166 km NE ( 44 deg) of PERTH
4 km SW (235 deg) of Manmanning
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.7
PHASE INFORMATION
DATA USED
BAL e P 44.60 0.20 0.82 44.62 -0.02 45.0 311 6.7 6.7
BAL e S 49.80 0.10 0.85 49.75 0.05 45.0 311 6.7 6.7
KLB e P 54.20 0.20 0.77 54.17 0.03 103.7 140 2.9 2.9
KLB e S 66.00 0.20 0.69 65.92 0.08 103.7 140 2.9 2.9
MRWA e P 68.50 1.00 0.52 68.76 -0.26 210.2 330 -42.2 42.2
MRWA e S 92.50 0.30 0.60 92.32 0.18 210.2 330 -40.3 40.3
MUN e P 60.30 0.20 0.74 60.58 -0.28 146.9 213 -30.8 30.8
MUN e S 78.00 0.20 0.67 77.83 0.17 146.9 213 2.0 2.0
Velocity Ratios
BAL KLB MUN MRWA
BAL 1.70 1.69 1.80 1.79
0.06 0.11 0.07 0.11
KLB 1.69 1.70 0.00 0.00
0.11 0.03 0.00 0.00
MUN 1.80 0.00 1.77 0.00
0.07 0.00 0.02 0.00
MRWA 1.79 0.00 0.00 1.77
0.11 0.00 0.00 0.07
Start
Date 1992-08-13
Origin Time 0805 52.04 +- 87.36
Zone 50
Easting 574.03 +- 176.77 Longitude 117.723
Northing 7441.38 +- 210.86 Latitude -23.135
Depth 5.00 +- 638.10 N
Arrival times = 6 S.D. = 3.917 Seismographs = 3
Nearest recorder = 237.3 km Gap = 122.1 deg Accuracy = D
Effects Code = Imax = 0 Fault =
75 km E ( 69 deg) of LP06
WESTERN AUSTRALIA
994 km N ( 11 deg) of PERTH
326 km S (196 deg) of PORT HEDLAND
43 km S (186 deg) of Mt Tom Price
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
MBL e P 88.50 1.00 0.50 95.46 -6.96 308.5 45 -42.2 42.2
MBL e S 133.50 1.00 0.45 127.82 5.68 308.5 45 -40.3 40.3
MEEK e P 110.00 1.00 0.49 106.34 3.66 398.3 167 -42.2 42.2
MEEK e S 145.00 1.00 0.44 146.77 -1.77 398.3 167 -40.3 40.3
NANU e P 86.00 0.10 0.82 86.83 -0.83 237.3 285 -42.2 42.2
NANU e S 113.00 0.30 0.59 112.79 0.21 237.3 285 -40.3 40.3
Velocity Ratios
NANU MBL MEEK
NANU 1.80 0.00 1.33
0.01 0.00 0.12
MBL 0.00 2.23 0.53
0.00 0.09 0.16
MEEK 1.33 0.53 1.60
0.12 0.16 0.05
Start
Date 1992-08-14
Origin Time 1033 4.13 +- 1.36
Zone 50
Easting 514.62 +- 7.91 Longitude 117.153
Northing 6600.67 +- 8.62 Latitude -30.727
Depth 1.00 +- 20.25 C
Arrival times = 7 S.D. = 0.281 Seismographs = 4
Nearest recorder = 44.7 km Gap = 183.0 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km SE (130 deg) of CAK
WESTERN AUSTRALIA
184 km NE ( 43 deg) of PERTH
5 km NE ( 24 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.6
PHASE INFORMATION
DATA USED
BAL e P 11.10 0.10 0.94 11.43 -0.33 44.7 287 1.7 1.7
BAL e S 16.50 0.20 0.74 16.50 0.00 44.7 287 1.7 1.7
KLB e P 22.30 0.20 0.76 22.40 -0.10 112.0 149 0.7 0.7
KLB e S 35.00 0.20 0.68 35.07 -0.07 112.0 149 0.7 0.7
MRWA e P 35.50 0.20 0.72 34.99 0.51 201.0 326 -42.2 42.2
MRWA e S 58.00 0.20 0.65 58.00 0.00 201.0 326 -40.3 40.3
MUN e S 50.00 0.10 0.76 49.79 0.21 165.3 212 0.4 0.4
Velocity Ratios
BAL KLB MRWA
BAL 1.77 1.65 1.70
0.05 0.08 0.04
KLB 1.65 1.70 1.74
0.08 0.03 0.09
MRWA 1.70 1.74 1.72
0.04 0.09 0.02
Start
Date 1992-08-14
Origin Time 1234 8.49 +- 1.99
Zone 50
Easting 514.34 +- 12.92 Longitude 117.150
Northing 6601.25 +- 16.10 Latitude -30.721
Depth 0.60 +- 40.86
Arrival times = 6 S.D. = 0.247 Seismographs = 4
Nearest recorder = 44.3 km Gap = 183.1 deg Accuracy = A
Effects Code = Imax = 0 Fault =
0 km SE (114 deg) of CAK
WESTERN AUSTRALIA
184 km NE ( 43 deg) of PERTH
6 km N ( 19 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.6
PHASE INFORMATION
DATA USED
BAL e P 15.40 0.10 0.94 15.72 -0.32 44.3 286 1.2 1.2
BAL e S 21.00 0.10 0.85 20.73 0.27 44.3 286 1.2 1.2
KLB i-P 27.00 0.10 1.25 26.87 0.13 112.6 149 0.5 0.5
KLB e S 39.30 0.50 0.57 39.61 -0.31 112.6 149 0.5 0.5
MRWA e S 62.30 0.30 0.60 62.30 0.00 200.4 326 -40.3 40.3
MUN e S 54.20 0.20 0.66 54.24 -0.04 165.6 212 0.3 0.3
Velocity Ratios
BAL KLB
BAL 1.81 1.58
0.04 0.08
KLB 1.58 1.66
0.08 0.04
Start
Date 1992-08-15
Origin Time 0332 37.63 +- 0.00
Zone 51
Easting 192.98 +- 0.00 Longitude 119.996
Northing 7406.64 +- 0.00 Latitude -23.421
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 0.164 Seismographs = 3
Nearest recorder = 251.2 km Gap = 214.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
50 km NE ( 33 deg) of MY38
WESTERN AUSTRALIA
375 km SE (157 deg) of PORT HEDLAND
33 km E (100 deg) of Mt Newman Mine
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
MBL i+P 74.10 0.10 1.16 74.11 -0.01 251.2 356 -42.2 42.2
MRWA e P 135.50 0.30 0.59 135.43 0.07 758.2 210 -42.2 42.2
MRWA e S 208.00 0.50 0.48 208.09 -0.09 758.2 210 -40.3 40.3
NANU e P 100.50 1.00 0.48 100.88 -0.38 472.7 281 -42.2 42.2
Velocity Ratios
MRWA
MRWA 1.74
0.01
Start
Date 1992-08-19
Origin Time 0356 49.02 +- 4.12
Zone 50
Easting 622.08 +- 30.60 Longitude 118.316
Northing 6280.94 +- 11.63 Latitude -33.604
Depth 1.00 +- 26.58 C
Arrival times = 7 S.D. = 0.404 Seismographs = 5
Nearest recorder = 125.7 km Gap = 241.1 deg Accuracy = B
Effects Code = Imax = 0 Fault =
29 km W (250 deg) of PIN
WESTERN AUSTRALIA
295 km SE (129 deg) of PERTH
160 km N ( 15 deg) of ALBANY
46 km NE ( 39 deg) of Gnowangerup
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML? 2.3
PHASE INFORMATION
DATA USED
BAL e S 136.00 1.00 0.45 137.48 -1.48 365.3 335 -40.3 40.3
KLB e P 83.50 0.20 0.71 83.29 0.21 229.1 346 -42.2 42.2
KLB e S 108.90 0.20 0.64 108.81 0.09 229.1 346 -40.3 40.3
MRWA e S 173.00 0.30 0.55 172.95 0.05 533.8 335 -40.3 40.3
MUN e P 90.00 0.10 0.81 87.89 2.11 267.3 311 -42.2 42.2
MUN e P2 90.00 0.10 0.48 89.57 0.43 267.3 311 -30.8 30.8
MUN e S 117.20 0.20 0.63 116.83 0.37 267.3 311 -40.3 40.3
NWAO e P 68.70 0.50 0.63 69.53 -0.83 125.7 306 0.6 0.6
RKG e P 74.50 0.30 0.68 74.71 -0.21 161.1 227 -30.8 30.8
RKG e S 93.80 0.20 0.66 93.54 0.26 161.1 227 0.5 0.5
Velocity Ratios
RKG KLB
RKG 1.76 1.68
0.03 0.15
KLB 1.68 1.74
0.15 0.02
Start
Date 1992-08-20
Origin Time 1845 29.32 +- 11.98
Zone 52
Easting 612.23 +- 44.70 Longitude 130.100
Northing 7384.52 +- 74.17 Latitude -23.646
Depth 5.00 +- 129.82 N
Arrival times = 6 S.D. = 0.449 Seismographs = 3
Nearest recorder = 388.0 km Gap = 177.4 deg Accuracy = D
Effects Code = Imax = 0 Fault =
387 km W (269 deg) of ASPA
NORTHERN TERRITORY
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
ASPA i+P 82.40 0.10 1.11 82.40 0.00 388.0 91 -42.2 42.2
ASPA i PG 93.20 0.10 1.11 92.63 0.57 388.0 91 0.8 0.8
ASPA i SG 136.10 0.10 1.00 136.53 -0.43 388.0 91 0.8 0.8
WARB e P 89.00 0.50 0.56 89.66 -0.66 448.2 230 -42.2 42.2
WARB e S 135.00 5.00 0.32 134.54 0.46 448.2 230 -40.3 40.3
WB2 i PG 127.40 0.10 1.07 127.50 -0.10 601.8 47 0.5 0.5
Velocity Ratios
WARB
WARB 1.77
0.10
Start
Date 1992-08-21
Origin Time 1731 32.72 +- 4.89
Zone 50
Easting 505.35 +- 70.60 Longitude 117.056
Northing 6498.42 +- 249.52 Latitude -31.649
Depth 5.00 +- 466.49 N
Arrival times = 5 S.D. = 0.182 Seismographs = 3
Nearest recorder = 67.0 km Gap = 160.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
34 km SE (145 deg) of GOO
WESTERN AUSTRALIA
119 km E ( 74 deg) of PERTH
5 km SE (116 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.8
PHASE INFORMATION
DATA USED
BAL e P 52.30 0.10 0.87 52.35 -0.05 120.3 343 -30.8 30.8
BAL e S 65.50 0.20 0.68 65.98 -0.48 120.3 343 2.5 2.5
KLB e P 43.90 0.20 0.79 43.69 0.21 67.0 84 4.5 4.5
KLB i S 51.20 0.10 1.17 51.30 -0.10 67.0 84 4.5 4.5
MRWA e SG 110.00 0.50 0.52 112.31 -2.31 288.0 339 1.1 1.1
MUN i+P 47.30 0.10 1.27 47.13 0.17 88.2 245 3.4 3.4
MUN i S 56.90 0.20 1.00 57.12 -0.22 88.2 245 3.4 3.4
Velocity Ratios
KLB MUN
KLB 1.65 0.00
0.04 0.00
MUN 0.00 1.66
0.00 0.03
Start
Date 1992-08-21
Origin Time 2053 38.46 +- 13.21
Zone 52
Easting 622.00 +- 29.87 Longitude 130.144
Northing 8154.65 +- 37.93 Latitude -16.688
Depth 5.00 +- 127.99 N
Arrival times = 8 S.D. = 0.693 Seismographs = 6
Nearest recorder = 180.1 km Gap = 115.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
180 km SE (125 deg) of KNA
NORTHERN TERRITORY
475 km S (189 deg) of DARWIN
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.7
PHASE INFORMATION
DATA USED
ASPA e P 151.20 1.00 0.45 149.69 1.51 869.0 153 -42.2 42.2
ASPA e S 238.50 1.00 0.41 232.29 6.21 869.0 153 -40.3 40.3
KNA S-P 21.00 2.00 0.66 20.84 0.16 180.1 305 0.0 0.0
KNA i+P 66.20 0.10 1.20 66.34 -0.14 180.1 305 -42.2 42.2
KNA w S 86.00 5.00 0.35 87.18 -1.18 180.1 305 -40.3 40.3
MBL e P 189.00 0.50 0.51 189.27 -0.27 1196.7 243 -42.2 42.2
MBL e S 303.00 5.00 0.29 301.21 1.79 1196.7 243 -40.3 40.3
MRWA e P 285.00 1.00 0.44 288.29 -3.29 2015.5 223 -42.2 42.2
MRWA e S 468.00 3.00 0.32 473.64 -5.64 2015.5 223 -40.4 40.4
MTN e P 98.00 0.20 0.67 97.52 0.48 438.0 14 -42.2 42.2
MTN e PG 111.20 1.00 0.49 109.92 1.28 438.0 14 0.7 0.7
MTN e S 143.90 0.30 0.56 141.47 2.43 438.0 14 -40.3 40.3
MTN e SG 162.00 2.00 0.38 159.47 2.53 438.0 14 0.7 0.7
NANU w P 246.00 5.00 0.33 247.42 -1.42 1677.7 244 -42.2 42.2
NANU e S 403.00 1.00 0.40 402.46 0.54 1677.7 244 -40.3 40.3
WB2 e P 112.90 0.50 0.54 113.90 -1.00 573.2 129 -42.2 42.2
WB2 e SG 173.00 1.00 0.43 196.81 -23.81 573.2 129 0.5 0.5
Velocity Ratios
NANU
NANU 1.76
0.05
Start
Date 1992-08-22
Origin Time 1054 17.79 +- 6.12
Zone 52
Easting 461.59 +- 13.17 Longitude 128.611
Northing 6951.88 +- 20.98 Latitude -27.556
Depth 5.00 +- 56.54 N
Arrival times = 8 S.D. = 0.587 Seismographs = 6
Nearest recorder = 247.7 km Gap = 104.5 deg Accuracy = B
Effects Code = Imax = 0 Fault =
247 km SE (128 deg) of WARB
WESTERN AUSTRALIA
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.8
PHASE INFORMATION
DATA USED
ASPA P 106.60 0.10 1.05 106.54 0.06 683.1 52 -42.2 42.2
ASPA S 175.20 0.10 0.95 172.49 2.71 683.1 52 -40.3 40.3
BAL e P 168.50 0.10 0.70 170.62 -2.12 1213.3 250 -42.2 42.2
BAL e S 282.00 0.10 0.63 284.06 -2.06 1213.3 250 -40.3 40.3
COOL e P 121.70 0.30 0.58 122.55 -0.85 815.6 241 -42.2 42.2
COOL e S 200.00 0.50 0.47 200.37 -0.37 815.6 241 -40.3 40.3
COOL e SG 243.00 0.50 0.47 243.10 -0.10 815.6 241 0.4 0.4
FORT e P 68.70 0.20 0.68 67.82 0.88 363.3 188 -42.2 42.2
HWK w P 108.00 2.00 0.41 108.21 -0.21 697.3 114 -42.2 42.2
KLB e P 161.00 0.10 0.70 162.60 -1.60 1147.0 244 -42.2 42.2
KLB e S 271.00 0.10 0.63 270.09 0.91 1147.0 244 -40.3 40.3
MBL e P 160.00 0.10 0.70 161.91 -1.91 1141.4 306 -42.2 42.2
MEEK e P 143.70 0.40 0.54 144.91 -1.21 1000.5 273 -42.2 42.2
MEEK e S 236.00 0.50 0.46 239.30 -3.30 1000.5 273 -40.3 40.3
MRWA i+P 173.20 0.10 1.00 175.95 -2.75 1257.4 258 -42.2 42.2
MRWA e S 291.50 0.50 0.46 293.34 -1.84 1257.4 258 -40.3 40.3
MUN e P 180.30 0.10 0.70 181.37 -1.07 1302.2 244 -42.2 42.2
MUN e S 301.80 0.10 0.63 302.77 -0.97 1302.2 244 -40.3 40.3
NWAO e P 177.00 0.10 0.70 175.21 1.79 1251.3 238 -42.2 42.2
PNA e P 149.60 0.50 0.51 150.76 -1.16 1049.2 120 -42.2 42.2
PNA e S 250.50 1.00 0.40 249.48 1.02 1049.2 120 -40.3 40.3
RKG e P 188.00 0.50 0.51 188.09 -0.09 1357.8 231 -42.2 42.2
RKG e S 315.00 1.00 0.40 314.48 0.52 1357.8 231 -40.3 40.3
STK P 186.20 0.10 1.00 187.18 -0.98 1350.3 114 -42.2 42.2
WARB S-P 29.00 5.00 0.53 26.92 2.08 247.7 307 0.0 0.0
WARB i+P 54.00 0.20 1.01 53.88 0.12 247.7 307 -42.2 42.2
WB2 i-P 146.30 0.30 0.81 148.08 -1.78 1026.8 35 -42.2 42.2
Velocity Ratios
COOL
COOL 1.75
0.01
Start
Date 1992-08-23
Origin Time 1104 25.36 +- 21.75
Zone 52
Easting 725.39 +- 136.78 Longitude 131.257
Northing 7092.75 +- 230.43 Latitude -26.267
Depth 5.00 +- 159.36 N
Arrival times = 6 S.D. = 1.333 Seismographs = 3
Nearest recorder = 391.9 km Gap = 226.7 deg Accuracy = D
Effects Code = Imax = 0 Fault =
391 km SW (222 deg) of AS10
SOUTH AUSTRALIA
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
ASPA e P 80.00 0.10 0.78 78.89 1.11 391.9 43 -42.2 42.2
ASPA e S 122.30 0.50 0.51 118.74 3.56 391.9 43 -40.3 40.3
ASPA i SG 132.50 1.00 0.63 133.62 -1.12 391.9 43 0.8 0.8
FORT w S 170.00 10.00 0.27 160.71 9.29 591.6 211 -40.3 40.3
WARB e P 85.60 0.30 0.62 87.24 -1.64 461.0 270 -42.2 42.2
WARB e S 134.50 0.50 0.50 133.28 1.22 461.0 270 -40.3 40.3
WB2 e P 124.20 0.50 0.53 124.58 -0.38 769.9 24 -42.2 42.2
WB2 e S 199.60 1.00 0.41 198.29 1.31 769.9 24 -40.3 40.3
Velocity Ratios
WARB WB2
WARB 1.81 1.69
0.02 0.08
WB2 1.69 1.76
0.08 0.02
Start
Date 1992-08-27
Origin Time 1919 20.44 +- 5.37
Zone 51
Easting 557.67 +- 16.00 Longitude 123.530
Northing 8632.44 +- 72.99 Latitude -12.370
Depth 5.00 +- 90.41 N
Arrival times = 9 S.D. = 0.651 Seismographs = 5
Nearest recorder = 678.8 km Gap = 268.4 deg Accuracy = B
Effects Code = Imax = 0 Fault =
244 km S (181 deg) of KUG
WESTERN AUSTRALIA
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.7
PHASE INFORMATION
DATA USED
KNA e P 108.70 0.30 0.59 108.63 0.07 678.8 124 -42.2 42.2
KNA e S 174.00 0.30 0.53 174.16 -0.16 678.8 124 -40.3 40.3
MBL e P 154.00 0.50 0.51 153.44 0.56 1049.4 201 -42.2 42.2
MBL e S 251.00 1.00 0.40 252.19 -1.19 1049.4 201 -40.3 40.3
MEEK e P 227.00 1.00 0.44 227.51 -0.51 1661.6 197 -42.2 42.2
MEEK e S 380.00 1.00 0.40 381.13 -1.13 1661.6 197 -40.3 40.3
NANU e P 197.80 0.10 0.70 197.58 0.22 1414.5 215 -42.2 42.2
NANU e S 329.00 1.00 0.40 329.03 -0.03 1414.5 215 -40.3 40.3
WARB e P 215.00 0.50 0.51 215.69 -0.69 1563.9 168 -42.2 42.2
WARB e S 362.00 1.00 0.40 360.56 1.44 1563.9 168 -40.3 40.3
Velocity Ratios
KNA MBL NANU WARB
KNA 1.74 1.70 1.74 1.77
0.01 0.06 0.02 0.03
MBL 1.70 1.73 1.78 1.82
0.06 0.01 0.07 0.06
NANU 1.74 1.78 1.74 1.92
0.02 0.07 0.01 0.19
WARB 1.77 1.82 1.92 1.76
0.03 0.06 0.19 0.01
Start
Date 1992-08-29
Origin Time 0431 51.38 +- 99.28
Zone 50
Easting 396.25 +- 583.78 Longitude 115.878
Northing 6253.28 +- 206.27 Latitude -33.856
Depth 5.00 +- 642.04 N
Arrival times = 5 S.D. = 0.681 Seismographs = 3
Nearest recorder = 130.9 km Gap = 240.8 deg Accuracy = D
Effects Code = Imax = 0 Fault =
108 km W (254 deg) of BEAU
WESTERN AUSTRALIA
211 km S (179 deg) of PERTH
85 km NE ( 53 deg) of AUGUSTA
15 km S (188 deg) of Kirup
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.3
PHASE INFORMATION
DATA USED
KLB w P 104.00 5.00 0.37 94.58 9.42 306.7 35 -42.2 42.2
KLB e SG 136.00 0.50 0.52 136.12 -0.12 306.7 35 1.0 1.0
KLB e S 136.00 0.50 0.52 126.78 9.22 306.7 35 -40.3 40.3
MUN e P 82.20 0.20 0.72 82.94 -0.74 210.4 8 -42.2 42.2
MUN e SG 110.00 0.20 0.65 109.52 0.48 210.4 8 1.4 1.4
MUN e S 110.00 0.20 0.65 106.50 3.50 210.4 8 -40.3 40.3
RKG e P 73.20 0.20 0.75 72.50 0.70 130.9 127 -30.8 30.8
RKG e S 87.00 0.50 0.56 87.58 -0.58 130.9 127 2.3 2.3
Velocity Ratios
RKG
RKG 1.63
0.04
Start
Date 1992-08-30
Origin Time 1740 4.87 +- 6.68
Zone 50
Easting 718.32 +- 24.88 Longitude 119.064
Northing 7984.91 +- 148.77 Latitude -18.214
Depth 5.00 +- 205.40 N
Arrival times = 8 S.D. = 0.484 Seismographs = 5
Nearest recorder = 336.1 km Gap = 283.0 deg Accuracy = B
Effects Code = Imax = 0 Fault =
269 km N ( 7 deg) of RP02
WESTERN AUSTRALIA
365 km NE ( 43 deg) of Dampier
236 km N ( 13 deg) of PORT HEDLAND
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.1
PHASE INFORMATION
DATA USED
MBL e P 51.40 0.20 0.69 51.62 -0.22 336.1 166 -42.2 42.2
MBL e S 86.00 1.00 0.45 86.44 -0.44 336.1 166 -40.3 40.3
MEEK e P 123.00 2.00 0.39 123.96 -0.96 934.1 182 -42.2 42.2
MEEK e S 213.00 1.00 0.40 212.39 0.61 934.1 182 -40.3 40.3
MRWA e P 163.00 1.00 0.44 163.08 -0.08 1257.8 193 -42.2 42.2
MRWA e S 280.00 1.00 0.40 280.51 -0.51 1257.8 193 -40.3 40.3
NANU e P 84.00 0.20 0.65 84.33 -0.33 606.7 217 -42.2 42.2
NANU e S 143.80 0.30 0.54 143.40 0.40 606.7 217 -40.3 40.3
WARB e P 155.00 1.00 0.44 154.11 0.89 1183.5 140 -42.2 42.2
WARB e S 268.00 1.00 0.40 264.88 3.12 1183.5 140 -40.3 40.3
Velocity Ratios
MBL NANU MRWA
MBL 1.74 1.77 1.74
0.03 0.06 0.04
NANU 1.77 1.76 1.72
0.06 0.01 0.04
MRWA 1.74 1.72 1.74
0.04 0.04 0.02
Start
Date 1992-09-02
Origin Time 1839 25.60 +- 0.41
Zone 50
Easting 511.00 +- 3.62 Longitude 117.115
Northing 6602.96 +- 2.69 Latitude -30.706
Depth 0.69 +- 7.40
Arrival times = 8 S.D. = 0.137 Seismographs = 4
Nearest recorder = 40.6 km Gap = 181.6 deg Accuracy = A
Effects Code = Imax = 0 Fault =
2 km NW (297 deg) of CAK
WESTERN AUSTRALIA
183 km NE ( 41 deg) of PERTH
7 km N (348 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.9
PHASE INFORMATION
DATA USED
BAL i-P 32.10 0.10 1.36 32.23 -0.13 40.6 285 1.4 1.4
BAL i S 37.00 0.10 1.22 36.82 0.18 40.6 285 1.4 1.4
KLB e P 44.60 0.10 0.87 44.49 0.11 115.8 148 0.5 0.5
KLB e S 57.70 0.20 0.68 57.60 0.10 115.8 148 0.5 0.5
MRWA e P 56.60 0.20 0.72 56.02 0.58 197.1 326 -42.2 42.2
MRWA i PG 57.70 0.10 1.19 57.75 -0.05 197.1 326 0.3 0.3
MRWA i S 78.70 0.20 0.93 78.70 0.00 197.1 326 -40.3 40.3
MUN e P 51.90 0.20 0.74 51.89 0.01 165.3 211 -30.8 30.8
MUN e S 71.00 0.30 0.61 71.26 -0.26 165.3 211 0.3 0.3
Velocity Ratios
BAL KLB MUN
BAL 1.75 1.66 1.72
0.04 0.05 0.05
KLB 1.66 1.69 1.82
0.05 0.02 0.15
MUN 1.72 1.82 1.73
0.05 0.15 0.02
Start
Date 1992-09-04
Origin Time 2349 2.26 +- 0.00
Zone 50
Easting 402.68 +- 0.00 Longitude 116.060
Northing 7613.02 +- 0.00 Latitude -21.583
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 0.921 Seismographs = 3
Nearest recorder = 121.2 km Gap = 235.6 deg Accuracy = D
Effects Code = Imax = 0 Fault =
17 km E ( 97 deg) of LP05
WESTERN AUSTRALIA
124 km SW (213 deg) of Dampier
97 km E ( 87 deg) of Onslow
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML? 2.0
PHASE INFORMATION
DATA USED
MBL e P 57.20 0.20 0.68 56.02 1.18 394.1 83 -42.2 42.2
MBL e S 106.00 0.30 0.56 96.04 9.96 394.1 83 -40.3 40.3
MEEK e P 81.60 0.20 0.65 83.00 -1.40 616.9 155 -42.2 42.2
MEEK e S 140.00 0.50 0.49 143.01 -3.01 616.9 155 -40.3 40.3
NANU i-P 21.70 0.10 1.24 21.99 -0.29 121.2 208 -30.8 30.8
NANU i S 36.40 0.20 0.97 35.76 0.64 121.2 208 2.4 2.4
Velocity Ratios
NANU
NANU 1.76
0.02
Start
Date 1992-09-06
Origin Time 0639 19.99 +- 7.55
Zone 51
Easting 446.03 +- 19.83 Longitude 122.425
Northing 6404.35 +- 39.21 Latitude -32.497
Depth 5.00 +- 32.14 N
Arrival times = 8 S.D. = 1.281 Seismographs = 6
Nearest recorder = 216.2 km Gap = 209.6 deg Accuracy = D
Effects Code = Imax = 0 Fault =
134 km S (158 deg) of KMBL
WESTERN AUSTRALIA
623 km E ( 97 deg) of PERTH
69 km SE (119 deg) of NORSEMAN
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.0
PHASE INFORMATION
DATA USED
COOL e P 54.00 0.30 0.66 52.26 1.74 216.2 325 -42.2 42.2
COOL e S 74.00 1.00 0.47 76.36 -2.36 216.2 325 -40.3 40.3
COOL e SG 80.00 0.50 0.54 79.72 0.28 216.2 325 1.5 1.5
FORT e SG 175.50 1.00 0.43 176.54 -1.04 566.7 71 0.5 0.5
KLB e P 90.00 0.50 0.56 80.79 9.21 452.2 281 -42.2 42.2
KLB e SG 143.40 0.50 0.50 144.92 -1.52 452.2 281 0.7 0.7
MEEK e S 189.00 1.00 0.41 188.19 0.81 747.3 329 -40.3 40.3
MEEK e SG 225.00 1.00 0.41 226.43 -1.43 747.3 329 0.4 0.4
MRWA e S 181.00 1.00 0.42 181.42 -0.42 715.3 299 -40.3 40.3
MRWA e SG 212.00 1.00 0.42 217.60 -5.60 715.3 299 0.4 0.4
RKG e SG 167.00 1.00 0.43 172.89 -5.89 553.5 243 0.5 0.5
WARB e S 209.00 0.50 0.47 201.52 7.48 810.7 31 -40.3 40.3
WARB e SG 243.50 0.50 0.47 243.93 -0.43 810.7 31 0.4 0.4
NO VELOCITY RATIOS
Start
Date 1992-09-08
Origin Time 0439 15.32 +- 1.84
Zone 50
Easting 513.71 +- 15.70 Longitude 117.143
Northing 6580.82 +- 13.77 Latitude -30.906
Depth 1.00 +- 57.61 G
Arrival times = 6 S.D. = 0.156 Seismographs = 3
Nearest recorder = 53.3 km Gap = 194.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
10 km S (174 deg) of CAS
WESTERN AUSTRALIA
169 km NE ( 47 deg) of PERTH
7 km SE (146 deg) of Manmanning
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.5
PHASE INFORMATION
DATA USED
BAL e P 24.00 0.20 0.81 24.03 -0.03 53.3 308 1.4 1.4
BAL e S 30.00 0.50 0.61 30.06 -0.06 53.3 308 1.4 1.4
KLB e P 31.20 0.20 0.77 30.99 0.21 96.1 142 0.8 0.8
KLB e S 41.60 0.30 0.64 41.86 -0.26 96.1 142 0.8 0.8
MRWA w S 74.00 1.00 0.48 72.62 1.38 217.3 329 -40.3 40.3
MUN e P 39.30 0.30 0.68 39.23 0.07 148.4 216 -30.8 30.8
MUN e S 56.30 0.30 0.62 56.32 -0.02 148.4 216 0.5 0.5
Velocity Ratios
BAL KLB MUN
BAL 1.69 0.00 1.72
0.10 0.00 0.11
KLB 0.00 1.66 1.81
0.00 0.04 0.20
MUN 1.72 1.81 1.71
0.11 0.20 0.03
Start
Date 1992-09-08
Origin Time 1017 57.27 +- 11.05
Zone 49
Easting 724.64 +- 334.00 Longitude 113.523
Northing 5908.25 +- 451.10 Latitude -36.945
Depth 5.00 +- 702.67 N
Arrival times = 9 S.D. = 0.465 Seismographs = 5
Nearest recorder = 411.6 km Gap = 324.7 deg Accuracy = D
Effects Code = Imax = 0 Fault =
410 km SW (229 deg) of RKG
594 km S (200 deg) of PERTH
Place names undefined for this area
Record Dur Sync Unc Resp Seismometer Recorder Pol
RKG -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.3
PHASE INFORMATION
DATA USED
BAL e P 156.00 0.50 0.53 155.70 0.30 763.4 23 -42.2 42.2
KLB e P 150.40 1.00 0.46 149.46 0.94 711.9 34 -42.2 42.2
KLB w S 218.00 2.00 0.37 217.97 0.03 711.9 34 -40.3 40.3
MRWA e P 171.00 1.00 0.45 170.83 0.17 888.5 15 -42.2 42.2
MRWA e S 255.00 1.00 0.41 255.16 -0.16 888.5 15 -40.3 40.3
MUN e P 136.00 1.00 0.47 136.46 -0.46 604.4 24 -42.2 42.2
MUN e S 195.00 1.00 0.42 195.33 -0.33 604.4 24 -40.3 40.3
RKG e P 112.70 0.20 0.67 113.16 -0.46 411.6 51 -42.2 42.2
RKG e S 155.00 0.30 0.56 154.76 0.24 411.6 51 -40.3 40.3
WARB e P 271.00 1.00 0.44 273.96 -2.96 1741.2 49 -42.2 42.2
Velocity Ratios
RKG MUN KLB MRWA
RKG 1.76 1.72 1.67 1.72
0.01 0.15 0.12 0.06
MUN 1.72 1.75 0.00 1.71
0.15 0.04 0.00 0.16
KLB 1.67 0.00 1.73 0.00
0.12 0.00 0.04 0.00
MRWA 1.72 1.71 0.00 1.74
0.06 0.16 0.00 0.02
Start
Date 1992-09-09
Origin Time 1347 6.37 +- 7.52
Zone 51
Easting 480.36 +- 11.29 Longitude 122.813
Northing 7840.85 +- 25.68 Latitude -19.527
Depth 5.00 +- 52.03 N
Arrival times = 12 S.D. = 1.117 Seismographs = 7
Nearest recorder = 359.8 km Gap = 166.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
359 km NE ( 60 deg) of MBL
WESTERN AUSTRALIA
183 km S (160 deg) of BROOME
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.5
PHASE INFORMATION
DATA USED
KNA w S 178.00 2.00 0.37 176.82 1.18 758.3 57 -40.3 40.3
MBL e P 55.30 0.20 0.68 55.99 -0.69 359.8 239 -42.2 42.2
MBL e S 92.00 0.50 0.51 92.95 -0.95 359.8 239 -40.3 40.3
MEEK e P 123.00 2.00 0.39 121.05 1.95 897.5 207 -42.2 42.2
MEEK e S 205.00 2.00 0.35 206.21 -1.21 897.5 207 -40.3 40.3
MTN w P 157.00 2.00 0.39 152.63 4.37 1159.2 51 -42.2 42.2
MTN e S 261.00 1.00 0.40 261.20 -0.20 1159.2 51 -40.3 40.3
NANU w P 114.00 2.00 0.40 113.06 0.94 831.9 244 -42.2 42.2
NANU e S 192.80 0.30 0.52 192.31 0.49 831.9 244 -40.3 40.3
WARB e P 115.00 1.00 0.46 113.52 1.48 835.4 152 -42.2 42.2
WARB e S 193.00 1.00 0.41 193.11 -0.11 835.4 152 -40.3 40.3
WRA e P 157.90 0.30 0.56 159.48 -1.58 1215.5 94 -42.2 42.2
WRA e S 273.50 0.50 0.46 273.12 0.38 1215.5 94 -40.3 40.3
Velocity Ratios
MBL NANU WARB MEEK WRA
MBL 1.75 1.72 1.69 1.67 1.77
0.02 0.08 0.06 0.09 0.02
NANU 1.72 1.73 0.00 0.00 1.84
0.08 0.04 0.00 0.00 0.12
WARB 1.69 0.00 1.72 0.00 1.88
0.06 0.00 0.03 0.00 0.09
MEEK 1.67 0.00 0.00 1.70 0.00
0.09 0.00 0.00 0.05 0.00
WRA 1.77 1.84 1.88 0.00 1.76
0.02 0.12 0.09 0.00 0.01
Start
Date 1992-09-09
Origin Time 1539 27.22 +- 15.78
Zone 49
Easting 460.63 +- 541.91 Longitude 110.548
Northing 5727.90 +- 609.23 Latitude -38.596
Depth 5.00 +-1031.39 N
Arrival times = 8 S.D. = 0.193 Seismographs = 5
Nearest recorder = 731.1 km Gap = 333.2 deg Accuracy = D
Effects Code = Imax = 0 Fault =
730 km SW (230 deg) of RKG
881 km SW (212 deg) of PERTH
Place names undefined for this area
Record Dur Sync Unc Resp Seismometer Recorder Pol
MUN -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
PHASE INFORMATION
DATA USED
BAL e P 160.50 0.50 0.51 160.45 0.05 1051.2 34 -42.2 42.2
KLB e P 156.60 0.40 0.54 156.49 0.11 1018.5 42 -42.2 42.2
KLB w S 250.50 2.00 0.36 252.47 -1.97 1018.5 42 -40.3 40.3
MRWA e P 173.00 0.30 0.56 173.10 -0.10 1155.8 27 -42.2 42.2
MRWA e S 281.00 2.00 0.35 281.39 -0.39 1155.8 27 -40.3 40.3
MUN e P 142.00 0.30 0.57 141.77 0.23 896.8 36 -42.2 42.2
MUN e S 227.00 0.50 0.47 226.85 0.15 896.8 36 -40.3 40.3
RKG e P 121.50 0.30 0.59 121.74 -0.24 731.1 54 -42.2 42.2
RKG e S 192.00 0.50 0.48 191.97 0.03 731.1 54 -40.3 40.3
Velocity Ratios
RKG MUN MRWA
RKG 1.75 1.71 1.73
0.01 0.10 0.07
MUN 1.71 1.74 1.74
0.10 0.01 0.12
MRWA 1.73 1.74 1.74
0.07 0.12 0.02
Start
Date 1992-09-10
Origin Time 0359 46.18 +- 133.21
Zone 50
Easting 736.26 +- 383.55 Longitude 119.485
Northing 6522.56 +-1800.83 Latitude -31.407
Depth 5.00 +-1795.69 N
Arrival times = 5 S.D. = 0.275 Seismographs = 3
Nearest recorder = 165.1 km Gap = 192.2 deg Accuracy = D
Effects Code = Imax = 0 Fault =
126 km SE (137 deg) of BR3
WESTERN AUSTRALIA
350 km E ( 81 deg) of PERTH
Record Dur Sync Unc Resp Seismometer Recorder Pol
KLB -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL w S 116.00 2.00 0.41 115.90 0.10 279.7 287 -40.3 40.3
COOL e P 73.00 0.30 0.68 72.62 0.38 168.8 70 -30.8 30.8
COOL e S 92.20 0.30 0.61 92.55 -0.35 168.8 70 -23.9 23.9
KLB e P 72.00 0.10 0.84 72.09 -0.09 165.1 262 -30.8 30.8
KLB e S 91.60 0.30 0.61 91.61 -0.01 165.1 262 -23.9 23.9
MUN e SG 131.00 2.00 0.39 133.75 -2.75 317.0 257 0.9 0.9
Velocity Ratios
KLB COOL
KLB 1.76 0.00
0.02 0.00
COOL 0.00 1.72
0.00 0.03
Start
Date 1992-09-10
Origin Time 1146 29.80 +- 0.48
Zone 50
Easting 508.22 +- 5.26 Longitude 117.086
Northing 6594.01 +- 4.14 Latitude -30.787
Depth 1.96 +- 8.65
Arrival times = 8 S.D. = 0.107 Seismographs = 4
Nearest recorder = 41.4 km Gap = 175.9 deg Accuracy = A
Effects Code = Imax = 0 Fault =
5 km W (262 deg) of CAR
WESTERN AUSTRALIA
175 km NE ( 43 deg) of PERTH
5 km SW (246 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
CAS 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.5
PHASE INFORMATION
DATA USED
BAL i-P 36.50 0.10 1.35 36.57 -0.07 41.4 298 3.1 3.1
BAL e S 41.40 0.50 0.62 41.26 0.14 41.4 298 3.1 3.1
CAS S-P 5.00 5.00 0.48 0.63 4.37 5.1 120 0.0 0.0
COOL w S 121.00 2.00 0.39 123.02 -2.02 388.6 92 -40.3 40.3
KLB i-P 47.80 0.10 1.25 47.73 0.07 109.9 144 1.2 1.2
KLB e S 60.00 0.20 0.69 60.17 -0.17 109.9 144 1.2 1.2
MRWA e P 61.00 0.20 0.72 60.81 0.19 203.2 328 -42.2 42.2
MRWA e S 83.80 0.30 0.60 83.95 -0.15 203.2 328 -40.3 40.3
MUN i-P 54.70 0.10 1.21 54.71 -0.01 156.2 211 -30.8 30.8
MUN e S 73.00 0.30 0.61 72.95 0.05 156.2 211 0.8 0.8
Velocity Ratios
BAL KLB MUN MRWA
BAL 1.73 1.65 1.74 1.73
0.10 0.09 0.06 0.05
KLB 1.65 1.68 1.88 1.80
0.09 0.02 0.13 0.08
MUN 1.74 1.88 1.73 1.71
0.06 0.13 0.02 0.19
MRWA 1.73 1.80 1.71 1.73
0.05 0.08 0.19 0.02
Start
Date 1992-09-10
Origin Time 1631 30.36 +- 0.48
Zone 50
Easting 507.95 +- 4.69 Longitude 117.083
Northing 6593.41 +- 3.75 Latitude -30.792
Depth 3.75 +- 8.40
Arrival times = 8 S.D. = 0.138 Seismographs = 4
Nearest recorder = 41.5 km Gap = 175.4 deg Accuracy = A
Effects Code = Imax = 0 Fault =
5 km NW (292 deg) of CAS
WESTERN AUSTRALIA
174 km NE ( 43 deg) of PERTH
5 km SW (241 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
CAS 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.9
PHASE INFORMATION
DATA USED
BAL i-P 37.10 0.10 1.35 37.16 -0.06 41.5 299 5.6 5.6
BAL e S 42.00 0.30 0.68 41.88 0.12 41.5 299 5.6 5.6
CAS S-P 5.00 5.00 0.48 0.74 4.26 5.1 112 0.0 0.0
KLB i-P 48.30 0.10 1.25 48.25 0.05 109.6 144 2.1 2.1
KLB e S 60.50 0.20 0.69 60.65 -0.15 109.6 144 2.1 2.1
MRWA e P 61.50 0.30 0.67 61.23 0.27 203.5 328 -42.2 42.2
MRWA e S 84.00 0.30 0.60 84.27 -0.27 203.5 328 -40.3 40.3
MUN e P 55.10 0.20 0.74 55.03 0.07 155.6 211 -30.8 30.8
MUN e S 73.30 0.30 0.61 73.35 -0.05 155.6 211 1.5 1.5
Velocity Ratios
BAL KLB MUN MRWA
BAL 1.73 1.65 1.74 1.72
0.07 0.08 0.06 0.05
KLB 1.65 1.68 1.88 1.78
0.08 0.02 0.16 0.09
MUN 1.74 1.88 1.74 0.00
0.06 0.16 0.03 0.00
MRWA 1.72 1.78 0.00 1.72
0.05 0.09 0.00 0.03
Start
Date 1992-09-11
Origin Time 0550 13.27 +- 0.00
Zone 52
Easting 604.95 +- 0.00 Longitude 130.044
Northing 7189.44 +- 0.00 Latitude -25.408
Depth 17.46 +- 0.00
Arrival times = 4 S.D. = 0.032 Seismographs = 3
Nearest recorder = 351.6 km Gap = 190.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
351 km E ( 76 deg) of WARB
NORTHERN TERRITORY
99 km W (266 deg) of AYERS ROCK
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML? 2.5
PHASE INFORMATION
DATA USED
ASPA i-P 70.70 0.20 0.96 70.70 0.00 435.3 64 -42.2 42.2
ASPA i S 117.70 0.30 0.80 113.58 4.12 435.3 64 -40.3 40.3
WARB e P 60.60 0.30 0.63 60.56 0.04 351.6 255 -42.2 42.2
WARB e S 96.00 1.00 0.45 95.93 0.07 351.6 255 -40.3 40.3
WRA i-P 108.70 0.20 0.91 108.70 0.00 749.8 36 -42.2 42.2
WRA e S 183.50 0.50 0.48 179.75 3.75 749.8 36 -40.3 40.3
Velocity Ratios
WARB
WARB 1.75
0.03
Start
Date 1992-09-12
Origin Time 0902 31.06 +- 7.18
Zone 50
Easting 520.87 +- 44.17 Longitude 117.216
Northing 6724.14 +- 22.92 Latitude -29.612
Depth 0.00 +- 37.21 G
Arrival times = 8 S.D. = 1.062 Seismographs = 4
Nearest recorder = 120.6 km Gap = 236.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
51 km N (345 deg) of KOO3
WESTERN AUSTRALIA
290 km NE ( 27 deg) of PERTH
17 km N ( 23 deg) of Mt Gibson Mine
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL e P 49.00 0.10 0.87 50.73 -1.73 120.6 203 0.1 0.1
BAL e S 64.00 0.10 0.78 64.37 -0.37 120.6 203 0.1 0.1
KLB e P 65.50 0.10 0.82 64.99 0.51 225.5 166 -42.2 42.2
KLB e S 90.00 0.10 0.74 90.26 -0.26 225.5 166 -40.3 40.3
MRWA i+P 51.60 0.10 1.24 51.63 -0.03 126.1 290 0.1 0.1
MRWA e S 66.10 0.10 0.78 65.90 0.20 126.1 290 0.1 0.1
MUN e P 71.50 0.10 0.80 71.50 0.00 279.4 199 -42.2 42.2
MUN e S 104.00 0.10 0.72 101.59 2.41 279.4 199 -40.3 40.3
Velocity Ratios
BAL MRWA KLB MUN
BAL 1.84 0.81 1.58 1.78
0.02 0.15 0.03 0.02
MRWA 0.81 1.71 1.72 1.90
0.15 0.01 0.04 0.03
KLB 1.58 1.72 1.71 2.33
0.03 0.04 0.01 0.11
MUN 1.78 1.90 2.33 1.80
0.02 0.03 0.11 0.01
Start
Date 1992-09-13
Origin Time 2005 12.17 +- 0.91
Zone 50
Easting 506.45 +- 5.02 Longitude 117.068
Northing 6492.75 +- 9.41 Latitude -31.700
Depth 3.94 +- 35.40
Arrival times = 6 S.D. = 0.080 Seismographs = 3
Nearest recorder = 66.7 km Gap = 169.2 deg Accuracy = A
Effects Code = Imax = 0 Fault =
35 km NE ( 53 deg) of YORK
WESTERN AUSTRALIA
119 km E ( 77 deg) of PERTH
10 km SE (145 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.1
PHASE INFORMATION
DATA USED
BAL e P 32.70 0.20 0.75 32.69 0.01 126.0 344 -30.8 30.8
BAL e S 47.00 0.20 0.68 47.00 -0.00 126.0 344 1.9 1.9
KLB i-P 23.10 0.10 1.30 23.07 0.03 66.7 79 3.6 3.6
KLB e S 30.60 0.20 0.72 30.63 -0.03 66.7 79 3.6 3.6
MRWA e P 55.00 1.00 0.40 53.92 1.08 293.7 339 -42.2 42.2
MRWA e S 86.00 1.00 0.40 85.03 0.97 293.7 339 -40.3 40.3
MRWA e SG 91.50 1.00 0.36 93.32 -1.82 293.7 339 0.8 0.8
MUN i-P 26.30 0.10 1.28 26.38 -0.08 87.0 248 2.8 2.8
MUN e S 36.40 0.20 0.70 36.23 0.17 87.0 248 2.8 2.8
Velocity Ratios
KLB MUN BAL
KLB 1.69 0.00 1.71
0.03 0.00 0.10
MUN 0.00 1.71 1.66
0.00 0.03 0.15
BAL 1.71 1.66 1.70
0.10 0.15 0.03
Start
Date 1992-09-14
Origin Time 1632 31.44 +- 1.06
Zone 50
Easting 454.21 +- 10.78 Longitude 116.521
Northing 6587.69 +- 6.17 Latitude -30.843
Depth 1.00 +- 17.79 G
Arrival times = 8 S.D. = 0.187 Seismographs = 4
Nearest recorder = 31.6 km Gap = 151.1 deg Accuracy = A
Effects Code = Imax = 0 Fault =
25 km W (271 deg) of PIG2
WESTERN AUSTRALIA
138 km NE ( 28 deg) of PERTH
27 km N ( 15 deg) of Calingiri
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.7
PHASE INFORMATION
DATA USED
BAL e P 36.60 0.10 0.97 36.61 -0.01 31.6 34 2.4 2.4
BAL e S 40.10 0.20 0.76 40.19 -0.09 31.6 34 2.4 2.4
KLB i-P 54.90 0.10 1.22 54.77 0.13 144.3 125 -30.8 30.8
KLB e S 71.10 0.20 0.67 71.29 -0.19 144.3 125 0.5 0.5
MRWA w P 61.00 1.00 0.54 60.62 0.38 187.1 344 -42.2 42.2
MRWA e S 82.00 1.00 0.47 82.37 -0.37 187.1 344 -40.3 40.3
MUN e P 52.50 0.50 0.63 52.54 -0.04 129.3 193 0.6 0.6
MUN e S 67.00 0.30 0.62 67.16 -0.16 129.3 193 0.6 0.6
Velocity Ratios
BAL MUN KLB MRWA
BAL 1.68 1.69 1.69 1.72
0.07 0.10 0.04 0.13
MUN 1.69 1.69 0.00 0.00
0.10 0.06 0.00 0.00
KLB 1.69 0.00 1.69 0.00
0.04 0.00 0.02 0.00
MRWA 1.72 0.00 0.00 1.71
0.13 0.00 0.00 0.09
Start
Date 1992-09-15
Origin Time 1346 7.85 +- 25.41
Zone 50
Easting 533.55 +- 107.96 Longitude 117.361
Northing 6306.88 +- 134.06 Latitude -33.377
Depth 0.68 +- 315.33
Arrival times = 6 S.D. = 0.754 Seismographs = 4
Nearest recorder = 136.2 km Gap = 182.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
41 km NE ( 53 deg) of BEAU
WESTERN AUSTRALIA
212 km SE (139 deg) of PERTH
186 km N (345 deg) of ALBANY
31 km E ( 96 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
MUN -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.1
PHASE INFORMATION
DATA USED
BAL e S 91.00 1.00 0.45 85.39 5.61 313.2 348 -40.3 40.3
KLB e S 61.50 0.30 0.60 61.86 -0.36 201.4 10 -40.3 40.3
MRWA w S 121.00 2.00 0.39 120.27 0.73 478.9 343 -40.3 40.3
MUN e P 36.50 0.20 0.73 37.29 -0.79 189.0 324 -42.2 42.2
MUN e S 59.70 0.20 0.65 59.23 0.47 189.0 324 -40.3 40.3
RKG e P 31.00 0.20 0.75 30.07 0.93 136.2 193 0.4 0.4
RKG e S 45.00 0.20 0.67 45.47 -0.47 136.2 193 0.4 0.4
Velocity Ratios
RKG MUN
RKG 1.60 0.00
0.02 0.00
MUN 0.00 1.81
0.00 0.02
Start
Date 1992-09-15
Origin Time 1559 46.35 +- 12.48
Zone 52
Easting 250.25 +- 23.23 Longitude 126.584
Northing 7583.85 +- 29.13 Latitude -21.832
Depth 5.00 +- 99.34 N
Arrival times = 7 S.D. = 0.853 Seismographs = 5
Nearest recorder = 482.3 km Gap = 162.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
477 km N ( 0 deg) of WBN
WESTERN AUSTRALIA
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
PHASE INFORMATION
DATA USED
ASPA e P 156.80 0.30 0.58 146.72 10.08 779.1 106 -42.2 42.2
ASPA e S 221.80 0.50 0.47 221.27 0.53 779.1 106 -40.3 40.3
FORT e S 267.00 1.00 0.40 268.61 -1.61 1004.4 171 -40.3 40.3
KNA e S 213.00 1.00 0.42 206.91 6.09 711.3 19 -40.3 40.3
MBL e P 137.00 1.00 0.46 137.91 -0.91 706.6 274 -42.2 42.2
MBL e S 207.00 1.00 0.42 205.93 1.07 706.6 274 -40.3 40.3
MTN e S 296.00 1.00 0.40 289.81 6.19 1105.1 26 -40.3 40.3
WARB e P 110.50 0.50 0.55 110.80 -0.30 482.3 179 -42.2 42.2
WARB e S 160.00 1.00 0.43 158.75 1.25 482.3 179 -40.3 40.3
WARB e SG 177.00 2.00 0.38 179.58 -2.58 482.3 179 0.6 0.6
WRA i-P 153.30 0.20 0.90 153.34 -0.04 834.1 76 -42.2 42.2
WRA e S 238.40 0.50 0.47 232.80 5.60 834.1 76 -40.3 40.3
Velocity Ratios
WARB MBL
WARB 1.77 1.77
0.03 0.19
MBL 1.77 1.77
0.19 0.03
Start
Date 1992-09-15
Origin Time 1955 10.18 +- 1.15
Zone 50
Easting 509.76 +- 8.33 Longitude 117.102
Northing 6598.34 +- 8.07 Latitude -30.748
Depth 5.00 +- 12.46 N
Arrival times = 7 S.D. = 0.333 Seismographs = 4
Nearest recorder = 41.0 km Gap = 178.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
4 km NW (305 deg) of CADX
WESTERN AUSTRALIA
179 km NE ( 42 deg) of PERTH
4 km NW (313 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL e P 16.70 0.20 0.83 16.92 -0.22 41.0 292 7.4 7.4
BAL e S 21.30 0.30 0.69 21.59 -0.29 41.0 292 7.4 7.4
KLB e P 28.60 0.20 0.76 28.58 0.02 112.6 146 2.7 2.7
KLB e S 41.00 0.30 0.63 41.33 -0.33 112.6 146 2.7 2.7
MRWA e P 41.00 0.30 0.67 40.52 0.48 200.3 327 -42.2 42.2
MRWA e S 63.30 0.30 0.60 63.19 0.11 200.3 327 -40.3 40.3
MUN e S 55.00 0.50 0.55 54.49 0.51 160.7 211 -23.9 23.9
Velocity Ratios
BAL KLB MRWA
BAL 1.71 1.66 1.73
0.10 0.11 0.06
KLB 1.66 1.67 1.80
0.11 0.03 0.13
MRWA 1.73 1.80 1.72
0.06 0.13 0.03
Start
Date 1992-09-17
Origin Time 2024 16.10 +- 6.71
Zone 50
Easting 577.20 +- 18.17 Longitude 117.835
Northing 6244.57 +- 63.62 Latitude -33.936
Depth 5.00 +- 105.89 N
Arrival times = 7 S.D. = 0.308 Seismographs = 4
Nearest recorder = 103.5 km Gap = 183.5 deg Accuracy = B
Effects Code = Imax = 0 Fault =
21 km W (270 deg) of GNOT
WESTERN AUSTRALIA
288 km SE (140 deg) of PERTH
118 km N (358 deg) of ALBANY
15 km W (267 deg) of Gnowangerup
Record Dur Sync Unc Resp Seismometer Recorder Pol
MUN -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.6
PHASE INFORMATION
DATA USED
BAL e P 67.00 2.00 0.43 68.66 -1.66 384.1 343 -42.2 42.2
BAL e S 108.00 1.00 0.44 107.80 0.20 384.1 343 -40.3 40.3
COOL e P 78.00 0.30 0.62 77.87 0.13 460.1 43 -42.2 42.2
COOL e S 124.00 0.50 0.50 123.83 0.17 460.1 43 -40.3 40.3
MRWA e P 88.00 0.50 0.55 88.88 -0.88 551.3 341 -42.2 42.2
MRWA e S 144.00 0.30 0.54 143.00 1.00 551.3 341 -40.3 40.3
MUN e P 53.70 0.30 0.65 54.26 -0.56 265.0 324 -42.2 42.2
MUN e S 83.00 0.30 0.58 82.72 0.28 265.0 324 -40.3 40.3
RKG i-P 32.90 0.10 1.26 33.00 -0.10 103.5 226 2.9 2.9
RKG e S 45.10 0.30 0.64 44.71 0.39 103.5 226 2.9 2.9
WARB e P 167.00 1.00 0.44 168.76 -1.76 1211.8 46 -42.2 42.2
WARB e S 282.00 0.50 0.46 282.07 -0.07 1211.8 46 -40.3 40.3
Velocity Ratios
RKG MUN COOL
RKG 1.73 1.82 1.75
0.03 0.07 0.03
MUN 1.82 1.78 1.69
0.07 0.02 0.08
COOL 1.75 1.69 1.74
0.03 0.08 0.02
Start
Date 1992-09-17
Origin Time 2039 10.65 +- 13.80
Zone 50
Easting 579.26 +- 42.57 Longitude 117.858
Northing 6243.91 +- 121.90 Latitude -33.942
Depth 5.00 +- 206.70 N
Arrival times = 6 S.D. = 0.300 Seismographs = 4
Nearest recorder = 104.5 km Gap = 184.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
19 km W (268 deg) of GNOT
WESTERN AUSTRALIA
290 km SE (140 deg) of PERTH
117 km N (359 deg) of ALBANY
13 km W (264 deg) of Gnowangerup
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.3
PHASE INFORMATION
DATA USED
COOL e S 118.50 1.00 0.44 118.18 0.32 459.1 43 -40.3 40.3
MRWA e S 138.00 1.00 0.43 137.82 0.18 552.6 340 -40.3 40.3
MUN e P 48.50 0.50 0.59 49.02 -0.52 266.8 324 -42.2 42.2
MUN e S 77.80 0.20 0.63 77.64 0.16 266.8 324 -40.3 40.3
RKG e P 27.60 0.10 0.88 27.72 -0.12 104.5 227 2.9 2.9
RKG e S 39.80 0.20 0.69 39.56 0.24 104.5 227 2.9 2.9
Velocity Ratios
RKG MUN
RKG 1.72 1.82
0.02 0.07
MUN 1.82 1.77
0.07 0.03
Start
Date 1992-09-19
Origin Time 0927 56.13 +- 8.56
Zone 50
Easting 428.60 +- 69.03 Longitude 116.318
Northing 7795.75 +- 132.49 Latitude -19.933
Depth 36.50 +- 168.37
Arrival times = 6 S.D. = 0.270 Seismographs = 3
Nearest recorder = 301.3 km Gap = 274.9 deg Accuracy = D
Effects Code = Imax = 0 Fault =
173 km NW (307 deg) of RP01
WESTERN AUSTRALIA
105 km NW (327 deg) of Karratha
90 km NW (332 deg) of Dampier
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.6
PHASE INFORMATION
DATA USED
MBL e P 107.00 0.20 0.68 106.74 0.26 390.9 111 -30.3 42.2
MBL e S 144.00 0.50 0.51 144.30 -0.30 390.9 111 -33.5 40.3
MEEK e P 153.70 0.20 0.63 153.64 0.06 778.5 162 -30.3 42.2
MEEK e S 226.00 1.00 0.41 225.96 0.04 778.5 162 -33.5 40.3
MRWA e S 280.00 1.00 0.40 278.58 1.42 1028.6 181 -33.5 40.3
NANU e P 95.70 0.30 0.64 95.89 -0.19 301.3 196 -30.3 42.2
NANU e S 125.80 0.30 0.58 125.42 0.38 301.3 196 -33.5 40.3
WARB e P 213.50 0.50 0.51 212.78 0.72 1267.6 125 -30.3 42.2
WARB e S 329.00 1.00 0.40 328.91 0.09 1267.6 125 -33.5 40.3
Velocity Ratios
NANU MBL MEEK
NANU 1.76 1.61 1.73
0.02 0.15 0.04
MBL 1.61 1.73 1.76
0.15 0.02 0.05
MEEK 1.73 1.76 1.74
0.04 0.05 0.01
Start
Date 1992-09-19
Origin Time 0930 9.64 +- 2.06
Zone 52
Easting 713.31 +- 26.16 Longitude 130.969
Northing 8524.57 +- 21.12 Latitude -13.339
Depth 1.00 +- 40.08 C
Arrival times = 8 S.D. = 0.370 Seismographs = 3
Nearest recorder = 57.1 km Gap = 156.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
57 km S (197 deg) of MTN
NORTHERN TERRITORY
187 km NW (312 deg) of KATHERINE
99 km S (171 deg) of DARWIN
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.3
PHASE INFORMATION
DATA USED
KNA w P 59.00 2.00 0.44 59.36 -0.36 357.0 221 -42.2 42.2
KNA e PG 68.00 0.50 0.57 67.89 0.11 357.0 221 0.2 0.2
KNA e S 97.00 1.00 0.45 96.33 0.67 357.0 221 -40.3 40.3
KNA e SG 108.00 1.00 0.45 108.27 -0.27 357.0 221 0.2 0.2
MTN i+P 18.90 0.10 1.32 18.97 -0.07 57.1 17 1.1 1.1
MTN e S 25.70 0.30 0.67 25.43 0.27 57.1 17 1.1 1.1
WRA e P 114.30 0.30 0.58 114.87 -0.57 815.9 154 -42.2 42.2
WRA e S 193.60 0.50 0.47 192.97 0.63 815.9 154 -40.3 40.3
Velocity Ratios
MTN KNA WRA
MTN 1.73 1.78 1.76
0.05 0.13 0.02
KNA 1.78 1.77 1.75
0.13 0.10 0.10
WRA 1.76 1.75 1.76
0.02 0.10 0.01
Start
Date 1992-09-22
Origin Time 0932 43.42 +- 2.91
Zone 50
Easting 406.13 +- 14.50 Longitude 116.022
Northing 6624.17 +- 9.64 Latitude -30.511
Depth 5.00 +- 31.27 N
Arrival times = 7 S.D. = 0.377 Seismographs = 4
Nearest recorder = 66.5 km Gap = 185.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
66 km W (278 deg) of BAL
WESTERN AUSTRALIA
160 km N ( 6 deg) of PERTH
32 km W (264 deg) of Miling
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML? 1.7
PHASE INFORMATION
DATA USED
BAL e P 54.00 0.50 0.66 54.31 -0.31 66.5 99 4.6 4.6
BAL e S 62.00 0.50 0.60 61.86 0.14 66.5 99 4.6 4.6
KLB e P 73.00 0.50 0.60 74.28 -1.28 204.6 126 -42.2 42.2
KLB e S 97.50 0.50 0.54 97.33 0.17 204.6 126 -40.3 40.3
MRWA e P 66.50 0.20 0.74 66.28 0.22 143.3 359 -30.8 30.8
MRWA e S 83.00 0.50 0.56 83.04 -0.04 143.3 359 2.1 2.1
MUN e P 68.50 0.50 0.61 69.12 -0.62 163.6 173 -30.8 30.8
MUN e S 89.00 0.50 0.55 88.46 0.54 163.6 173 -23.9 23.9
Velocity Ratios
BAL MRWA MUN
BAL 1.76 1.68 0.00
0.14 0.18 0.00
MRWA 1.68 1.72 0.00
0.18 0.04 0.00
MUN 0.00 0.00 1.82
0.00 0.00 0.06
Start
Date 1992-09-23
Origin Time 1926 29.42 +- 59.62
Zone 53
Easting 361.36 +- 953.73 Longitude 133.678
Northing 7830.36 +- 169.47 Latitude -19.617
Depth 5.00 +-1071.54 N
Arrival times = 6 S.D. = 2.809 Seismographs = 3
Nearest recorder = 675.5 km Gap = 274.5 deg Accuracy = D
Effects Code = Imax = 0 Fault =
24 km SW (218 deg) of TCAY
NORTHERN TERRITORY
850 km S (159 deg) of DARWIN
53 km W (274 deg) of TENNANT CREEK
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.0
PHASE INFORMATION
DATA USED
KNA e P 117.70 0.50 0.53 117.19 0.51 675.5 308 -42.2 42.2
KNA e S 184.80 0.50 0.48 182.43 2.37 675.5 308 -40.3 40.3
MBL e P 211.00 0.30 0.56 213.36 -2.36 1470.7 260 -42.2 42.2
MBL e S 346.00 1.00 0.40 349.85 -3.85 1470.7 260 -40.3 40.3
MTN e S 217.00 1.00 0.41 208.14 8.86 797.6 339 -40.3 40.3
MTN e SG 257.00 1.00 0.41 249.76 7.24 797.6 339 0.4 0.4
WARB e P 159.00 0.30 0.57 159.77 -0.77 1027.2 223 -42.2 42.2
WARB e S 261.00 0.50 0.46 256.54 4.46 1027.2 223 -40.3 40.3
Velocity Ratios
KNA WARB MBL
KNA 1.76 1.85 1.73
0.02 0.06 0.03
WARB 1.85 1.79 1.63
0.06 0.01 0.05
MBL 1.73 1.63 1.74
0.03 0.05 0.01
Start
Date 1992-09-26
Origin Time 0837 8.76 +- 1.82
Zone 50
Easting 503.91 +- 6.75 Longitude 117.041
Northing 6500.02 +- 10.30 Latitude -31.635
Depth 5.00 +- 143.55 N
Arrival times = 6 S.D. = 0.142 Seismographs = 3
Nearest recorder = 68.3 km Gap = 157.7 deg Accuracy = A
Effects Code = Imax = 0 Fault =
32 km SE (146 deg) of GOO
WESTERN AUSTRALIA
118 km E ( 73 deg) of PERTH
3 km E (100 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.5
PHASE INFORMATION
DATA USED
BAL e P 28.30 0.20 0.76 28.08 0.22 118.3 344 2.6 2.6
BAL e S 41.30 0.20 0.68 41.48 -0.18 118.3 344 2.6 2.6
KLB i-P 20.00 0.10 1.30 19.94 0.06 68.3 86 4.4 4.4
KLB e S 27.50 0.30 0.66 27.70 -0.20 68.3 86 4.4 4.4
MRWA e S 83.50 0.50 0.52 79.81 3.69 286.0 339 -40.3 40.3
MUN e P 23.00 0.10 0.89 23.07 -0.07 87.6 243 3.4 3.4
MUN e S 33.00 0.30 0.64 32.99 0.01 87.6 243 3.4 3.4
Velocity Ratios
KLB MUN BAL
KLB 1.67 0.00 1.66
0.04 0.00 0.12
MUN 0.00 1.70 1.57
0.00 0.03 0.19
BAL 1.66 1.57 1.67
0.12 0.19 0.03
Start
Date 1992-09-29
Origin Time 1639 51.87 +- 0.82
Zone 50
Easting 503.98 +- 6.14 Longitude 117.041
Northing 6624.61 +- 5.48 Latitude -30.511
Depth 1.00 +- 12.71 C
Arrival times = 8 S.D. = 0.295 Seismographs = 4
Nearest recorder = 33.8 km Gap = 185.8 deg Accuracy = A
Effects Code = Imax = 0 Fault =
0 km W (256 deg) of CA3
WESTERN AUSTRALIA
196 km NE ( 36 deg) of PERTH
12 km W (275 deg) of Burakin
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.6
PHASE INFORMATION
DATA USED
BAL e P 57.20 0.10 0.96 57.39 -0.19 33.8 251 2.2 2.2
BAL e S 61.20 0.20 0.75 61.22 -0.02 33.8 251 2.2 2.2
KLB e P 74.00 0.20 0.75 74.32 -0.32 138.0 150 -30.8 30.8
KLB e S 90.00 0.30 0.62 90.00 -0.00 138.0 150 0.5 0.5
MRWA e P 80.00 0.30 0.67 79.53 0.47 175.2 324 -30.8 30.8
MRWA e S 100.00 0.30 0.61 100.28 -0.28 175.2 324 0.4 0.4
MUN e P 80.70 0.30 0.67 80.30 0.40 181.0 205 -42.2 42.2
MUN e S 101.70 0.30 0.61 101.51 0.19 181.0 205 -40.3 40.3
Velocity Ratios
BAL KLB MRWA MUN
BAL 1.75 1.71 1.70 1.72
0.07 0.06 0.05 0.05
KLB 1.71 1.72 0.00 0.00
0.06 0.03 0.00 0.00
MRWA 1.70 0.00 1.71 0.00
0.05 0.00 0.03 0.00
MUN 1.72 0.00 0.00 1.73
0.05 0.00 0.00 0.03
Start
Date 1992-09-30
Origin Time 1117 12.39 +- 295.54
Zone 53
Easting 453.08 +-1946.01 Longitude 134.570
Northing 8745.28 +-1716.60 Latitude -11.350
Depth 39.00 +-13319.25 C
Arrival times = 5 S.D. = 1.693 Seismographs = 3
Nearest recorder = 409.6 km Gap = 243.7 deg Accuracy = D
Effects Code = Imax = 0 Fault =
409 km NE ( 66 deg) of MTN
NORTHERN TERRITORY
425 km E ( 74 deg) of DARWIN
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
CTA S-P 145.00 0.10 1.00 144.94 0.06 1589.1 129 0.0 0.0
MTN S-P 40.00 10.00 0.51 39.23 0.77 409.6 245 0.0 0.0
MTN i-P 63.00 5.00 0.51 65.25 -2.25 409.6 245 0.4 42.2
WARB S-P 168.00 0.10 1.00 167.96 0.04 1846.0 205 0.0 0.0
WARB e P 233.00 5.00 0.32 238.97 -5.97 1846.0 205 0.1 42.2
NO VELOCITY RATIOS