Data Report
Bulletin / 1990 OCT-DEC
Contributed by CUPWA
Start
Date 1990-10-09
Origin Time 1816 15.49 +- 8.17
Zone 52
Easting 488.63 +- 25.73 Longitude 128.895
Northing 8420.63 +- 11.34 Latitude -14.286
Depth 5.00 +- 90.75 N
Arrival times = 7 S.D. = 0.447 Seismographs = 5
Nearest recorder = 162.5 km Gap = 186.6 deg Accuracy = C
Effects Code = Imax = 0 Fault =
162 km N ( 4 deg) of KNA
WESTERN AUSTRALIA
166 km N ( 6 deg) of Kununurra
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
KNA e P 40.50 0.20 0.74 41.02 -0.52 162.5 184 -30.8 30.8
KNA e S 60.60 0.20 0.66 60.24 0.36 162.5 184 -23.9 23.9
MBL e P 170.00 0.50 0.51 170.24 -0.24 1229.3 230 -42.2 42.2
MBL w S 282.00 2.00 0.35 285.11 -3.11 1229.3 230 -40.3 40.3
MTN i-P 56.70 0.10 1.15 56.60 0.10 289.6 56 -42.2 42.2
MTN e S 89.70 0.30 0.58 87.25 2.45 289.6 56 -40.3 40.3
WARB e P 184.30 0.50 0.51 183.38 0.92 1337.7 189 -42.2 42.2
WARB e S 310.00 1.00 0.40 307.98 2.02 1337.7 189 -40.3 40.3
WB5 e P 124.00 0.20 0.63 124.48 -0.48 850.7 137 -42.2 42.2
WB5 e S 205.50 0.30 0.52 205.44 0.06 850.7 137 -40.3 40.3
Velocity Ratios
KNA WB5
KNA 1.80 1.74
0.02 0.01
WB5 1.74 1.75
0.01 0.01
Start
Date 1990-10-15
Origin Time 1949 27.23 +- 32.88
Zone 50
Easting 169.75 +- 348.74 Longitude 113.794
Northing 7526.42 +- 271.35 Latitude -22.336
Depth 5.00 +- 675.82 N
Arrival times = 5 S.D. = 0.200 Seismographs = 4
Nearest recorder = 177.2 km Gap = 274.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
119 km NW (319 deg) of LP03
WESTERN AUSTRALIA
58 km SW (217 deg) of Exmouth
31 km W (252 deg) of Learmonth
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 149.50 0.50 0.52 149.58 -0.08 961.2 163 -42.2 42.2
BAL w S 233.00 2.00 0.36 240.42 -7.42 961.2 163 -40.3 40.3
KLB e P 165.80 0.20 0.61 166.14 -0.34 1098.2 159 -42.2 42.2
KLB e S 270.00 0.30 0.51 269.27 0.73 1098.2 159 -40.3 40.3
MBL i P 110.60 0.10 1.06 110.50 0.10 638.1 79 -42.2 42.2
MBL e S 170.00 0.30 0.54 172.38 -2.38 638.1 79 -40.3 40.3
MEKA w P 116.00 2.00 0.41 114.95 1.05 674.7 135 -42.2 42.2
MEKA e S 180.30 0.10 0.66 180.14 0.16 674.7 135 -40.3 40.3
MRWA i-P 129.40 0.10 1.04 129.34 0.06 793.8 164 -42.2 42.2
MRWA e S 205.00 0.20 0.57 205.19 -0.19 793.8 164 -40.3 40.3
MUN i-P 166.00 0.10 1.00 165.74 0.26 1094.9 167 -42.2 42.2
MUN e S 270.40 0.20 0.55 268.57 1.83 1094.9 167 -40.3 40.3
NANU i-P 55.00 0.10 1.20 54.75 0.25 177.2 97 -42.2 42.2
NWAO e P 181.00 1.00 0.44 181.04 -0.04 1221.4 164 -42.2 42.2
NWAO e S 295.00 1.00 0.40 295.20 -0.20 1221.4 164 -40.3 40.3
WARB e P 192.90 0.10 0.70 199.67 -6.77 1375.3 110 -42.2 42.2
WARB e S 330.00 1.00 0.40 327.63 2.37 1375.3 110 -40.3 40.3
Velocity Ratios
MRWA
MRWA 1.74
0.00
Start
Date 1990-10-17
Origin Time 1432 21.78 +- 2.21
Zone 50
Easting 319.80 +- 16.84 Longitude 115.214
Northing 7227.28 +- 6.08 Latitude -25.059
Depth 31.00 +- 28.26 C
Arrival times = 9 S.D. = 0.326 Seismographs = 4
Nearest recorder = 280.0 km Gap = 195.3 deg Accuracy = B
Effects Code = Imax = 0 Fault =
42 km E (104 deg) of LP02
WESTERN AUSTRALIA
766 km N (355 deg) of PERTH
157 km E ( 98 deg) of CARNARVON
2 km SE (127 deg) of Gascoyne Junction
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 103.10 0.10 1.06 102.95 0.15 640.5 48 -30.3 42.2
MBL e S 163.30 0.30 0.54 163.25 0.05 640.5 48 -33.5 40.3
MEKA e P 70.80 0.30 0.63 70.85 -0.05 374.7 118 -30.3 42.2
MEKA e S 107.00 1.00 0.44 107.36 -0.36 374.7 118 -33.5 40.3
MRWA e P 82.50 0.30 0.61 82.01 0.49 467.2 170 -30.3 42.2
MRWA i S 126.70 0.10 0.98 126.80 -0.10 467.2 170 -33.5 40.3
NANU i P 59.00 0.10 1.15 59.35 -0.35 280.0 6 -30.3 42.2
NANU e S 87.50 1.00 0.46 87.35 0.15 280.0 6 -33.5 40.3
NANU e SG 94.00 1.00 0.46 94.70 -0.70 280.0 6 2.9 24.1
Velocity Ratios
NANU MEKA MRWA MBL
NANU 1.77 0.00 1.67 1.72
0.03 0.00 0.08 0.04
MEKA 0.00 1.74 1.68 1.74
0.00 0.03 0.19 0.06
MRWA 1.67 1.68 1.73 1.78
0.08 0.19 0.01 0.05
MBL 1.72 1.74 1.78 1.74
0.04 0.06 0.05 0.01
Start
Date 1990-10-18
Origin Time 0952 57.09 +- 13.58
Zone 50
Easting 380.22 +- 47.65 Longitude 115.804
Northing 7133.53 +- 24.22 Latitude -25.912
Depth 5.00 +- 108.94 N
Arrival times = 6 S.D. = 0.579 Seismographs = 3
Nearest recorder = 283.5 km Gap = 178.1 deg Accuracy = B
Effects Code = Imax = 0 Fault =
145 km SE (136 deg) of LP02
WESTERN AUSTRALIA
669 km N (360 deg) of PERTH
243 km SE (118 deg) of CARNARVON
39 km NW (298 deg) of Byro H.S.
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
MEKA e P 97.00 0.50 0.58 97.51 -0.51 283.5 106 -42.2 42.2
MEKA e S 128.00 0.50 0.52 127.64 0.36 283.5 106 -40.3 40.3
MRWA i-P 107.90 0.10 1.12 107.56 0.34 366.8 177 -42.2 42.2
MRWA e S 144.00 0.50 0.51 145.14 -1.14 366.8 177 -40.3 40.3
MUN w P 156.00 2.00 0.41 144.63 11.37 673.4 176 -42.2 42.2
MUN e S 212.00 0.30 0.53 209.68 2.32 673.4 176 -40.3 40.3
MUN e SG 242.00 0.50 0.48 243.11 -1.11 673.4 176 0.4 0.4
NANU e P 108.20 0.10 0.78 108.43 -0.23 374.1 355 -42.2 42.2
NANU e S 146.00 0.30 0.57 146.65 -0.65 374.1 355 -40.3 40.3
Velocity Ratios
MEKA MRWA NANU
MEKA 1.78 1.47 1.61
0.04 0.18 0.17
MRWA 1.47 1.71 0.00
0.18 0.01 0.00
NANU 1.61 0.00 1.74
0.17 0.00 0.01
Start
Date 1990-10-28
Origin Time 2140 51.06 +- 0.00
Zone 53
Easting 379.70 +- 0.00 Longitude 133.851
Northing 7810.52 +- 0.00 Latitude -19.797
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 0.271 Seismographs = 4
Nearest recorder = 702.2 km Gap = 225.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
7 km NW (318 deg) of TCBY
NORTHERN TERRITORY
875 km S (159 deg) of DARWIN
38 km SW (245 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 -10.0
PHASE INFORMATION
DATA USED
FORR i+P 220.60 0.10 1.00 220.76 -0.16 1352.6 204 -42.2 42.2
FORR e S 348.50 0.30 0.51 346.69 1.81 1352.6 204 -40.3 40.3
KNA e P 141.70 0.20 0.64 142.07 -0.37 702.2 309 -42.2 42.2
KNA e S 206.50 0.20 0.58 209.69 -3.19 702.2 309 -40.3 40.3
MBL w P 267.00 2.00 0.39 236.81 30.19 1485.6 261 -42.2 42.2
MBL e S 364.50 1.00 0.40 374.64 -10.14 1485.6 261 -40.3 40.3
MTN e P 156.90 0.20 0.63 156.64 0.26 822.7 339 -42.2 42.2
MTN e S 236.70 0.10 0.65 235.07 1.63 822.7 339 -40.3 40.3
NANU e P 287.50 1.00 0.44 294.46 -6.96 1962.5 257 -42.2 42.2
NANU e S 461.60 1.00 0.40 475.02 -13.42 1962.5 257 -40.3 40.3
WARB i+P 181.40 0.10 1.01 181.20 0.20 1025.5 224 -42.2 42.2
WARB e S 282.00 0.10 0.64 277.82 4.18 1025.5 224 -40.3 40.3
NO VELOCITY RATIOS
Start
Date 1990-10-29
Origin Time 0452 59.35 +- 2.51
Zone 50
Easting 481.60 +- 10.03 Longitude 116.823
Northing 7710.00 +- 22.64 Latitude -20.709
Depth 36.50 +- 280.96
Arrival times = 8 S.D. = 0.483 Seismographs = 4
Nearest recorder = 245.0 km Gap = 246.1 deg Accuracy = C
Effects Code = F Imax = 3 Fault =
87 km W (283 deg) of RP01
WESTERN AUSTRALIA
13 km SE (121 deg) of Dampier
5 km NW (295 deg) of Karratha
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
COOL e P 208.30 0.20 0.61 208.74 -0.44 1207.5 159 0.0 42.2
COOL w S 311.00 2.00 0.35 319.49 -8.49 1207.5 159 0.0 40.3
FORR e S 399.00 1.00 0.32 400.59 -1.59 1592.7 137 0.0 40.3
MBL e P 101.40 0.10 0.80 101.03 0.37 317.0 99 0.0 42.2
MBL e S 131.40 0.20 0.62 131.97 -0.57 317.0 99 0.0 40.3
MEKA e P 145.20 0.20 0.64 144.55 0.65 676.7 165 0.0 42.2
MEKA e S 208.00 0.20 0.58 207.75 0.25 676.7 165 0.0 40.3
MRWA e P 176.00 1.00 0.45 177.08 -1.08 945.9 184 0.0 42.2
MRWA e S 264.00 0.50 0.46 264.38 -0.38 945.9 184 0.0 40.3
NANU i+P 92.20 0.10 1.16 92.31 -0.11 245.0 213 0.0 42.2
NANU e S 117.00 0.50 0.53 116.79 0.21 245.0 213 0.0 40.3
WARB w P 219.00 5.00 0.31 204.88 14.12 1175.6 123 0.0 42.2
WARB e S 311.00 0.50 0.39 312.77 -1.77 1175.6 123 0.0 40.3
Velocity Ratios
NANU MBL MEKA MRWA
NANU 1.76 1.57 1.72 1.75
0.02 0.11 0.02 0.04
MBL 1.57 1.71 1.75 1.78
0.11 0.01 0.02 0.04
MEKA 1.72 1.75 1.73 1.82
0.02 0.02 0.01 0.10
MRWA 1.75 1.78 1.82 1.75
0.04 0.04 0.10 0.02
Start
Date 1990-11-06
Origin Time 0911 26.76 +- 0.00
Zone 51
Easting 395.73 +- 0.00 Longitude 121.935
Northing 6854.15 +- 0.00 Latitude -28.435
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 0.011 Seismographs = 3
Nearest recorder = 281.9 km Gap = 132.7 deg Accuracy = D
Effects Code = Imax = 0 Fault =
243 km N ( 8 deg) of KLKB
WESTERN AUSTRALIA
704 km NE ( 58 deg) of PERTH
39 km N (343 deg) of Mt Morgan Mine
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
COOL i-P 67.00 0.10 1.15 66.99 0.01 281.9 195 -42.2 42.2
COOL e S 97.00 0.20 0.63 96.98 0.02 281.9 195 -40.3 40.3
MEKA e SG 135.10 0.50 0.51 135.10 -0.00 392.2 300 0.8 0.8
MEKA i S 151.00 0.20 0.87 120.19 30.81 392.2 300 -40.3 40.3
WARB e P 96.80 0.20 0.66 96.80 -0.00 528.5 62 -42.2 42.2
WARB SG 166.00 1.00 0.62 172.76 -6.76 528.5 62 0.6 0.6
Velocity Ratios
COOL
COOL 1.75
0.01
Start
Date 1990-11-08
Origin Time 1522 59.81 +- 1.39
Zone 50
Easting 454.77 +- 15.52 Longitude 116.526
Northing 6560.26 +- 6.84 Latitude -31.091
Depth 3.19 +- 52.17
Arrival times = 7 S.D. = 0.389 Seismographs = 5
Nearest recorder = 56.3 km Gap = 149.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
25 km N ( 9 deg) of PIG3
WESTERN AUSTRALIA
115 km NE ( 34 deg) of PERTH
7 km E ( 99 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 69.00 0.30 0.74 69.02 -0.02 56.3 17 3.5 3.5
BAL e S 76.00 0.30 0.67 75.40 0.60 56.3 17 3.5 3.5
KLB e P 81.00 0.20 0.75 80.93 0.07 129.9 115 -30.8 30.8
KLB e S 95.40 0.50 0.56 95.70 -0.30 129.9 115 1.5 1.5
MRWA i SG 118.50 0.20 0.92 118.84 -0.34 213.7 346 0.9 0.9
MUN e P 77.00 0.20 0.77 76.60 0.40 102.9 196 1.9 1.9
MUN e S 90.20 0.30 0.64 88.25 1.95 102.9 196 1.9 1.9
NWAO w P 94.00 5.00 0.39 92.02 1.98 214.2 162 -42.2 42.2
NWAO e SG 118.50 0.50 0.54 118.99 -0.49 214.2 162 0.9 0.9
Velocity Ratios
BAL KLB
BAL 1.76 1.62
0.09 0.14
KLB 1.62 1.68
0.14 0.04
Start
Date 1990-11-12
Origin Time 0026 11.25 +- 1.18
Zone 50
Easting 452.04 +- 10.24 Longitude 116.496
Northing 6530.28 +- 6.12 Latitude -31.361
Depth 5.81 +- 35.32
Arrival times = 6 S.D. = 0.202 Seismographs = 3
Nearest recorder = 73.7 km Gap = 172.0 deg Accuracy = B
Effects Code = Imax = 0 Fault =
5 km S (167 deg) of PIG3
WESTERN AUSTRALIA
90 km NE ( 43 deg) of PERTH
10 km S (182 deg) of Bolgart
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 25.10 0.10 0.89 25.31 -0.21 86.0 13 4.1 4.1
BAL e S 35.30 0.10 0.80 35.06 0.24 86.0 13 4.1 4.1
KLB e P 31.20 0.10 0.87 31.16 0.04 122.8 102 -30.8 30.8
KLB e S 45.20 0.10 0.78 45.21 -0.01 122.8 102 2.9 2.9
MRWA e P 48.30 0.20 0.71 46.58 1.72 242.3 348 -42.2 42.2
MRWA i S 76.00 0.50 0.76 72.95 3.05 242.3 348 -40.3 40.3
MUN e P 23.10 0.10 0.91 23.30 -0.20 73.7 201 4.7 4.7
MUN e S 31.90 0.10 0.81 31.66 0.24 73.7 201 4.7 4.7
NWAO e SG 62.30 0.50 0.54 62.92 -0.62 187.0 158 1.9 1.9
Velocity Ratios
MUN BAL KLB
MUN 1.74 0.00 1.64
0.02 0.00 0.07
BAL 0.00 1.74 1.62
0.00 0.02 0.09
KLB 1.64 1.62 1.70
0.07 0.09 0.01
Start
Date 1990-11-19
Origin Time 1925 29.36 +- 0.00
Zone 51
Easting 362.36 +- 0.00 Longitude 121.675
Northing 7662.18 +- 0.00 Latitude -21.136
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 1.555 Seismographs = 3
Nearest recorder = 191.3 km Gap = 230.1 deg Accuracy = D
Effects Code = Imax = 0 Fault =
191 km E ( 89 deg) of MBL
WESTERN AUSTRALIA
335 km E (107 deg) of PORT HEDLAND
200 km E ( 89 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 2.4
PHASE INFORMATION
DATA USED
MBL e P 59.10 0.10 0.83 58.60 0.50 191.3 268 -42.2 42.2
MBL e S 78.00 1.00 0.47 80.46 -2.46 191.3 268 -40.3 40.3
NANU e S 180.00 1.00 0.42 178.83 1.17 658.7 255 -40.3 40.3
WARB e S 198.00 5.00 0.30 199.05 -1.05 754.4 138 -40.3 40.3
Velocity Ratios
MBL
MBL 1.64
0.04
Start
Date 1990-11-20
Origin Time 0442 54.61 +- 0.58
Zone 50
Easting 506.73 +- 3.22 Longitude 117.071
Northing 6492.06 +- 4.64 Latitude -31.707
Depth 5.71 +- 14.71
Arrival times = 8 S.D. = 0.166 Seismographs = 4
Nearest recorder = 66.6 km Gap = 95.0 deg Accuracy = A
Effects Code = Imax = 0 Fault =
32 km SE (113 deg) of YORK
WESTERN AUSTRALIA
119 km E ( 77 deg) of PERTH
10 km SE (146 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 2.2
PHASE INFORMATION
DATA USED
BAL e P 75.10 0.10 0.86 75.09 0.01 126.8 344 -30.8 30.8
BAL e S 89.50 0.30 0.62 89.66 -0.16 126.8 344 2.7 2.7
KLB e P 65.70 0.10 0.91 65.51 0.19 66.6 79 5.2 5.2
KLB e S 73.00 0.30 0.66 73.07 -0.07 66.6 79 5.2 5.2
MRWA e P 101.00 0.30 0.58 96.26 4.74 294.5 339 -42.2 42.2
MRWA e S 132.00 0.20 0.59 127.31 4.69 294.5 339 -40.3 40.3
MUN i-P 68.70 0.10 1.28 68.83 -0.13 87.0 249 3.9 3.9
MUN i S 78.90 0.20 1.00 78.70 0.20 87.0 249 3.9 3.9
NWAO e P 76.40 0.30 0.69 76.39 0.01 136.1 173 -30.8 30.8
NWAO e S 92.00 0.50 0.56 92.23 -0.23 136.1 173 2.5 2.5
Velocity Ratios
KLB MUN BAL NWAO
KLB 1.66 0.00 1.76 1.78
0.04 0.00 0.10 0.15
MUN 0.00 1.72 1.66 1.70
0.00 0.03 0.13 0.19
BAL 1.76 1.66 1.70 0.00
0.10 0.13 0.02 0.00
NWAO 1.78 1.70 0.00 1.72
0.15 0.19 0.00 0.05
Start
Date 1990-11-20
Origin Time 1033 44.93 +- 108.94
Zone 50
Easting 511.64 +- 817.71 Longitude 117.122
Northing 6596.61 +-1042.75 Latitude -30.763
Depth 5.00 +-2160.45
Arrival times = 5 S.D. = 0.228 Seismographs = 3
Nearest recorder = 43.4 km Gap = 213.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
1 km NW (294 deg) of CADX
WESTERN AUSTRALIA
179 km NE ( 43 deg) of PERTH
1 km NW (313 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
CAK 0.00 Seismograph details unknown
CAA 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 51.90 0.10 1.35 52.06 -0.16 43.4 293 7.0 7.0
BAL e S 57.50 0.30 0.68 57.00 0.50 43.4 293 7.0 7.0
CAA S-P 5.00 5.00 0.49 0.71 4.29 3.4 55 0.0 0.0
CAK S-P 5.00 5.00 1.56 0.85 4.15 5.4 20 0.0 0.0
KLB P 63.00 0.20 1.09 62.92 0.08 110.1 146 2.8 2.8
KLB S 75.40 0.30 0.90 75.39 0.01 110.1 146 2.8 2.8
MUN e P 71.00 0.50 0.61 70.16 0.84 160.2 212 -30.8 30.8
MUN e S 89.00 0.50 0.55 89.12 -0.12 160.2 212 -23.9 23.9
Velocity Ratios
BAL KLB
BAL 1.80 1.61
0.07 0.10
KLB 1.61 1.69
0.10 0.04
Start
Date 1990-11-20
Origin Time 1621 2.50 +- 0.00
Zone 50
Easting 511.15 +- 0.00 Longitude 117.116
Northing 6598.51 +- 0.00 Latitude -30.746
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 0.047 Seismographs = 3
Nearest recorder = 42.2 km Gap = 215.6 deg Accuracy = C
Effects Code = Imax = 0 Fault =
3 km NW (323 deg) of CADX
WESTERN AUSTRALIA
180 km NE ( 42 deg) of PERTH
3 km NW (334 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
CAK 0.00 Seismograph details unknown
CAS 0.00 Seismograph details unknown
CAR 0.00 Seismograph details unknown
CAA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.2
PHASE INFORMATION
DATA USED
BAL e P 9.40 0.10 0.95 9.43 -0.03 42.2 291 7.2 7.2
BAL e S 14.30 0.30 0.68 14.24 0.06 42.2 291 7.2 7.2
CAA S-P 5.00 5.00 0.49 0.71 4.29 3.3 89 0.0 0.0
CAK S-P 5.00 5.00 0.49 0.74 4.26 3.9 36 0.0 0.0
CAR S-P 5.00 5.00 0.49 0.78 4.22 4.4 152 0.0 0.0
CAS S-P 5.00 5.00 0.47 1.01 3.99 7.2 168 0.0 0.0
KLB w S 33.50 0.50 0.58 33.47 0.03 112.0 147 2.7 2.7
MUN w S 47.00 1.00 0.49 47.03 -0.03 161.6 211 -23.9 23.9
Velocity Ratios
BAL
BAL 1.71
0.07
Start
Date 1990-11-22
Origin Time 0819 52.28 +- 189.57
Zone 50
Easting 605.83 +-1014.38 Longitude 118.144
Northing 6251.90 +- 106.57 Latitude -33.868
Depth 5.00 +- 970.48 N
Arrival times = 5 S.D. = 0.611 Seismographs = 3
Nearest recorder = 130.3 km Gap = 272.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
3 km SW (244 deg) of GNOC
WESTERN AUSTRALIA
302 km SE (135 deg) of PERTH
128 km N ( 11 deg) of ALBANY
15 km NE ( 63 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 1.9
PHASE INFORMATION
DATA USED
KLB SG 120.00 0.50 0.76 122.71 -2.71 254.9 351 1.2 1.2
MUN SG 128.00 0.30 0.83 128.77 -0.77 276.8 318 1.1 1.1
NWAO e P 74.40 0.20 0.75 73.89 0.51 134.4 320 -30.8 30.8
NWAO e S 90.30 0.20 0.67 89.44 0.86 134.4 320 2.2 2.2
RKG i+P 73.10 0.10 1.23 73.31 -0.21 130.3 232 -30.8 30.8
RKG e S 88.70 0.20 0.68 88.30 0.40 130.3 232 2.3 2.3
Velocity Ratios
RKG NWAO
RKG 1.75 0.00
0.02 0.00
NWAO 0.00 1.72
0.00 0.02
Start
Date 1990-11-22
Origin Time 1528 17.83 +- 0.00
Zone 50
Easting 620.30 +- 0.00 Longitude 118.301
Northing 6250.30 +- 0.00 Latitude -33.881
Depth 1.24 +- 0.00
Arrival times = 4 S.D. = 0.527 Seismographs = 2
Nearest recorder = 141.3 km Gap = 280.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
9 km E ( 95 deg) of GNOW
WESTERN AUSTRALIA
314 km SE (134 deg) of PERTH
130 km N ( 18 deg) of ALBANY
28 km E ( 79 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
KLB w P 59.00 1.00 0.52 55.65 3.35 258.8 348 -42.2 42.2
KLB e SG 88.30 0.30 0.59 89.32 -1.02 258.8 348 0.3 0.3
MUN S2 92.40 0.30 0.09 94.61 -2.21 287.7 316 -23.9 23.9
NWAO e PG 42.00 0.10 0.85 41.50 0.50 145.1 316 0.6 0.6
NWAO e P 42.00 0.10 0.86 41.24 0.76 145.1 316 -30.8 30.8
NWAO e SG 58.30 0.20 0.67 57.91 0.39 145.1 316 0.6 0.6
NWAO e S 58.30 0.10 0.77 57.91 0.39 145.1 316 0.6 0.6
RKG i-PG 41.40 0.10 1.23 40.88 0.52 141.3 236 0.6 0.6
RKG i-PG 41.40 0.10 1.22 40.88 0.52 141.3 236 0.6 0.6
RKG i-P 41.40 0.10 1.22 40.72 0.68 141.3 236 -30.8 30.8
RKG i S 57.00 0.10 1.10 56.87 0.13 141.3 236 0.6 0.6
NO VELOCITY RATIOS
Start
Date 1990-11-22
Origin Time 1528 18.78 +- 0.00
Zone 50
Easting 616.93 +- 0.00 Longitude 118.264
Northing 6250.22 +- 0.00 Latitude -33.882
Depth 1.00 +- 0.00 C
Arrival times = 4 S.D. = 0.055 Seismographs = 2
Nearest recorder = 138.4 km Gap = 278.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
6 km E ( 99 deg) of GNOW
WESTERN AUSTRALIA
311 km SE (134 deg) of PERTH
129 km N ( 16 deg) of ALBANY
25 km E ( 78 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
KLB w P 59.00 1.00 0.52 56.57 2.43 258.3 349 -42.2 42.2
KLB e SG 88.30 0.30 0.59 90.13 -1.83 258.3 349 0.3 0.3
MUN S2 92.40 0.30 0.46 95.04 -2.64 285.4 317 -23.9 23.9
MUN SG 96.00 0.30 0.83 97.64 -1.64 285.4 317 0.3 0.3
NWAO e PG 42.00 0.20 0.74 42.09 -0.09 142.9 317 0.5 0.5
NWAO e P 42.00 0.10 0.86 41.91 0.09 142.9 317 -30.8 30.8
NWAO e S 58.30 0.10 0.77 58.25 0.05 142.9 317 0.5 0.5
RKG i-PG 41.40 0.10 1.23 41.37 0.03 138.4 236 0.5 0.5
RKG i-P 41.40 0.10 1.23 41.29 0.11 138.4 236 -30.8 30.8
RKG i S 57.00 0.10 1.10 57.02 -0.02 138.4 236 0.5 0.5
NO VELOCITY RATIOS
Start
Date 1990-11-25
Origin Time 2146 51.44 +- 10.93
Zone 51
Easting 852.06 +- 20.16 Longitude 126.403
Northing 7593.21 +- 33.72 Latitude -21.730
Depth 5.00 +- 83.16 N
Arrival times = 11 S.D. = 1.863 Seismographs = 6
Nearest recorder = 494.5 km Gap = 113.6 deg Accuracy = C
Effects Code = Imax = 0 Fault =
488 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 3.0
PHASE INFORMATION
DATA USED
ASPA e P 154.00 0.50 0.53 154.99 -0.99 805.5 107 -42.2 42.2
ASPA e S 232.50 1.00 0.41 231.91 0.59 805.5 107 -40.3 40.3
FORR w P 178.00 2.00 0.40 180.95 -2.95 1020.3 171 -42.2 42.2
FORR w S 271.00 2.00 0.36 277.11 -6.11 1020.3 171 -40.3 40.3
KNA S 219.00 2.00 0.52 211.52 7.48 709.1 20 -40.3 40.3
KNA SG 263.50 5.00 0.43 247.32 16.18 709.1 20 0.4 0.4
MBL e P 137.60 0.30 0.59 140.25 -2.65 683.9 274 -42.2 42.2
MBL e S 205.00 0.20 0.58 206.24 -1.24 683.9 274 -40.3 40.3
MEKA e P 176.50 0.20 0.62 174.32 2.18 965.4 234 -42.2 42.2
MEKA e S 267.70 0.50 0.46 265.56 2.14 965.4 234 -40.3 40.3
MRWA e P 220.00 0.50 0.43 219.06 0.94 1335.6 229 -42.2 42.2
MRWA e S 342.00 0.50 0.39 343.46 -1.46 1335.6 229 -40.3 40.3
MTN e P 195.00 0.50 0.51 191.63 3.37 1109.0 27 -42.2 42.2
MTN e S 300.00 1.00 0.40 295.70 4.30 1109.0 27 -40.3 40.3
NANU e P 199.00 0.50 0.51 194.14 4.86 1129.8 263 -42.2 42.2
NANU e S 306.00 0.50 0.46 300.08 5.92 1129.8 263 -40.3 40.3
WARB e P 117.50 0.20 0.66 117.37 0.13 494.5 177 -42.2 42.2
WARB e S 165.00 1.00 0.43 166.41 -1.41 494.5 177 -40.3 40.3
WB5 e P 161.00 0.30 0.58 161.65 -0.65 860.8 77 -42.2 42.2
WB5 e S 242.50 0.50 0.47 243.50 -1.00 860.8 77 -40.3 40.3
Velocity Ratios
WARB MBL ASPA WB5 MEKA
WARB 1.72 1.99 1.85 1.78 1.74
0.02 0.11 0.09 0.06 0.04
MBL 1.99 1.78 1.68 1.60 1.61
0.11 0.01 0.16 0.07 0.04
ASPA 1.85 1.68 1.77 0.00 1.56
0.09 0.16 0.02 0.00 0.12
WB5 1.78 1.60 0.00 1.74 1.63
0.06 0.07 0.00 0.01 0.12
MEKA 1.74 1.61 1.56 1.63 1.73
0.04 0.04 0.12 0.12 0.01
Start
Date 1990-11-27
Origin Time 1849 58.43 +- 9.04
Zone 52
Easting 440.66 +- 105.18 Longitude 128.443
Northing 8155.60 +- 32.96 Latitude -16.681
Depth 5.00 +- 52.44 N
Arrival times = 7 S.D. = 1.148 Seismographs = 3
Nearest recorder = 108.7 km Gap = 258.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
108 km S (198 deg) of KNA
WESTERN AUSTRALIA
104 km S (197 deg) of Kununurra
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 e P 75.50 0.20 0.76 76.18 -0.68 108.7 18 2.7 2.7
KNA e S 87.00 0.50 0.57 88.48 -1.48 108.7 18 2.7 2.7
MTN e P 127.40 0.20 0.66 126.60 0.80 513.4 34 -42.2 42.2
MTN e PG 143.50 0.50 0.55 142.18 1.32 513.4 34 0.6 0.6
MTN e S 179.00 0.50 0.49 177.31 1.69 513.4 34 -40.3 40.3
WB5 e P 151.50 0.30 0.59 151.64 -0.14 720.1 120 -42.2 42.2
WB5 e S 219.90 0.50 0.48 220.89 -0.99 720.1 120 -40.3 40.3
Velocity Ratios
KNA MTN WB5
KNA 1.67 1.77 1.75
0.05 0.03 0.02
MTN 1.77 1.75 1.70
0.03 0.01 0.08
WB5 1.75 1.70 1.73
0.02 0.08 0.01
Start
Date 1990-11-27
Origin Time 2116 30.34 +- 22.25
Zone 53
Easting 378.15 +- 190.63 Longitude 133.837
Northing 7819.75 +- 75.59 Latitude -19.714
Depth 6.39 +- 278.35
Arrival times = 6 S.D. = 0.885 Seismographs = 4
Nearest recorder = 59.7 km Gap = 136.6 deg Accuracy = D
Effects Code = Imax = 0 Fault =
16 km NW (336 deg) of TCBY
NORTHERN TERRITORY
866 km S (159 deg) of DARWIN
37 km W (259 deg) of TENNANT CREEK
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? 4.7
PHASE INFORMATION
DATA USED
ASPA i P 92.00 0.10 1.10 91.78 0.22 439.5 179 -40.9 48.2
ASPA e S 137.30 1.00 0.44 137.94 -0.64 439.5 179 -37.6 43.6
BAL e P 285.00 0.50 0.43 293.89 -8.89 2101.1 231 -47.6 52.7
BAL e S 483.00 1.00 0.32 501.66 -18.66 2101.1 231 -43.3 47.4
COOL e P 249.00 0.50 0.51 257.10 -8.10 1775.0 223 -44.8 50.6
COOL e S 415.00 0.50 0.39 434.62 -19.62 1775.0 223 -40.9 45.5
FORR e P 201.30 0.20 0.61 207.72 -6.42 1356.8 204 -42.9 48.7
FORR e S 332.30 0.30 0.51 345.30 -13.00 1356.8 204 -39.0 43.6
KLB e P 282.60 0.30 0.50 291.29 -8.69 2076.8 227 -47.6 52.7
KLB e S 473.00 1.00 0.32 496.78 -23.78 2076.8 227 -43.3 47.4
KNA e P 122.70 0.10 0.74 123.66 -0.96 694.5 308 -40.6 47.5
KNA e S 193.00 0.50 0.48 194.79 -1.79 694.5 308 -37.2 42.9
MBL e P 213.80 0.10 0.70 221.08 -7.28 1468.6 261 -43.6 49.8
MBL e S 355.00 1.00 0.40 369.54 -14.54 1468.6 261 -39.7 44.1
MEKA i-P 245.70 0.10 1.00 253.12 -7.42 1740.4 240 -44.8 50.6
MEKA e S 409.00 0.50 0.39 427.41 -18.41 1740.4 240 -40.9 45.5
MRWA e P 288.00 1.00 0.35 292.45 -4.45 2087.6 236 -47.6 52.7
MRWA e S 481.00 1.00 0.32 498.94 -17.94 2087.6 236 -43.3 47.4
MTN e P 137.70 0.20 0.63 139.31 -1.61 812.5 338 -40.5 47.2
MTN e S 215.00 0.50 0.47 222.76 -7.76 812.5 338 -36.9 42.2
MUN e P 300.00 0.50 0.43 305.95 -5.95 2222.3 228 -50.8 57.2
MUN e S 508.00 0.50 0.39 525.87 -17.87 2222.3 228 -44.3 48.4
NANU e P 268.00 0.50 0.51 274.54 -6.54 1927.9 257 -47.1 52.0
NANU e S 448.00 1.00 0.40 466.37 -18.37 1927.9 257 -42.6 47.0
NWAO e P 298.20 0.20 0.57 304.25 -6.05 2204.7 224 -50.8 57.2
NWAO e S 499.00 2.00 0.26 522.54 -23.54 2204.7 224 -44.3 48.4
WARB e P 162.80 0.20 0.61 167.19 -4.39 1027.2 224 -41.3 47.2
WARB e S 262.00 1.00 0.40 272.74 -10.74 1027.2 224 -37.4 42.1
WB2 i P 40.30 0.10 1.32 40.35 -0.05 59.7 115 0.6 28.1
WB2 i S 49.60 0.10 1.18 47.28 2.32 59.7 115 0.6 23.8
Velocity Ratios
ASPA KNA
ASPA 1.73 1.81
0.02 0.06
KNA 1.81 1.76
0.06 0.01
Start
Date 1990-11-28
Origin Time 1812 28.43 +- 12.44
Zone 49
Easting 665.28 +- 55.79 Longitude 112.650
Northing 7131.18 +- 22.18 Latitude -25.929
Depth 5.00 +- 40.10 N
Arrival times = 9 S.D. = 1.598 Seismographs = 4
Nearest recorder = 473.9 km Gap = 259.4 deg Accuracy = D
Effects Code = Imax = 0 Fault =
166 km W (280 deg) of LP01
WESTERN AUSTRALIA
737 km NW (334 deg) of PERTH
155 km SW (221 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 2.1
PHASE INFORMATION
DATA USED
MBL w S 245.00 1.00 0.42 230.18 14.82 906.9 55 -40.3 40.3
MBL e SG 280.00 1.00 0.41 278.96 1.04 906.9 55 0.3 0.3
MEKA w S 166.00 2.00 0.38 164.35 1.65 594.0 98 -40.3 40.3
MEKA w SG 193.50 0.10 0.69 192.52 0.98 594.0 98 0.5 0.5
MRWA e P 95.50 0.50 0.55 94.09 1.41 492.4 138 -42.2 42.2
MRWA e S 143.50 0.30 0.55 142.92 0.58 492.4 138 -40.3 40.3
MRWA SG 162.00 1.00 0.62 164.45 -2.45 492.4 138 0.6 0.6
NANU w P 93.00 2.00 0.43 91.83 1.17 473.9 38 -42.2 42.2
NANU e S 138.00 0.50 0.50 138.99 -0.99 473.9 38 -40.3 40.3
NANU e SG 157.50 0.50 0.50 159.35 -1.85 473.9 38 0.6 0.6
Velocity Ratios
NANU MRWA
NANU 1.70 0.00
0.06 0.00
MRWA 0.00 1.72
0.00 0.02
Start
Date 1990-11-29
Origin Time 1713 20.18 +- 0.25
Zone 50
Easting 504.93 +- 1.60 Longitude 117.052
Northing 6494.62 +- 1.46 Latitude -31.684
Depth 5.99 +- 4.68
Arrival times = 10 S.D. = 0.098 Seismographs = 6
Nearest recorder = 67.9 km Gap = 93.6 deg Accuracy = A
Effects Code = F Imax = 3 Fault =
29 km E (109 deg) of YORK
WESTERN AUSTRALIA
118 km E ( 76 deg) of PERTH
7 km SE (146 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 2.6
PHASE INFORMATION
DATA USED
BAL i+P 40.30 0.10 1.24 40.23 0.07 123.8 344 -30.8 30.8
BAL i S 54.30 0.10 1.11 54.43 -0.13 123.8 344 2.9 2.9
COOL i+P 74.00 0.10 1.11 74.56 -0.56 399.8 78 -42.2 42.2
COOL e S 115.00 0.30 0.56 115.04 -0.04 399.8 78 -40.3 40.3
FORR e S 152.50 0.20 0.58 253.61-101.11 1057.9 87 -40.3 40.3
KLB i-P 31.40 0.10 1.30 31.31 0.09 67.9 81 5.3 5.3
KLB e S 38.90 0.30 0.66 39.02 -0.12 67.9 81 5.3 5.3
MRWA e P 61.60 0.20 0.70 61.44 0.16 291.4 339 -42.2 42.2
MRWA PMP 64.20 0.30 0.55 64.06 0.14 291.4 339 -31.8 31.8
MRWA w S 98.00 1.00 0.46 92.20 5.80 291.4 339 -40.3 40.3
MUN i-P 34.30 0.10 1.28 34.29 0.01 86.3 247 4.1 4.1
MUN i S 44.10 0.10 1.15 44.08 0.02 86.3 247 4.1 4.1
NWAO i+P 42.20 0.10 1.23 42.33 -0.13 138.8 173 -30.8 30.8
NWAO i S 58.60 0.20 0.96 58.57 0.03 138.8 173 2.6 2.6
NWAO e SG 189.00 1.00 0.42 58.57 130.43 138.8 173 2.6 2.6
RKG e P 70.00 0.50 0.58 64.89 5.11 320.0 180 -42.2 42.2
RKG i S 105.50 0.30 0.82 98.21 7.29 320.0 180 -40.3 40.3
Velocity Ratios
KLB MUN BAL NWAO
KLB 1.67 0.00 1.73 1.82
0.04 0.00 0.09 0.08
MUN 0.00 1.69 1.70 1.84
0.00 0.02 0.09 0.09
BAL 1.73 1.70 1.70 0.00
0.09 0.09 0.01 0.00
NWAO 1.82 1.84 0.00 1.74
0.08 0.09 0.00 0.02
Start
Date 1990-12-01
Origin Time 2235 22.06 +- 381.54
Zone 52
Easting 779.32 +- 27.30 Longitude 131.802
Northing 7068.17 +- 31.25 Latitude -26.479
Depth 5.00 +-3484.30 N
Arrival times = 6 S.D. = 0.561 Seismographs = 6
Nearest recorder = 375.7 km Gap = 107.7 deg Accuracy = D
Effects Code = Imax = 0 Fault =
374 km SW (214 deg) of AS10
SOUTH AUSTRALIA
67 km W (256 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? 3.9
PHASE INFORMATION
DATA USED
ASPA i P 73.80 0.10 1.12 73.65 0.15 375.7 34 -42.2 42.2
ASPA e S 116.20 0.50 0.51 112.06 4.14 375.7 34 -40.3 40.3
BAL e P 210.00 0.50 0.51 215.80 -5.80 1551.6 249 -42.2 42.2
BAL e S 350.50 0.50 0.46 359.56 -9.06 1551.6 249 -40.3 40.3
COOL e P 163.00 0.50 0.51 167.39 -4.39 1151.1 242 -42.2 42.2
COOL e S 270.00 0.50 0.46 275.27 -5.27 1151.1 242 -40.3 40.3
FORR e P 99.60 0.30 0.60 100.99 -1.39 601.9 216 -42.2 42.2
FORR e S 177.00 0.10 0.67 159.66 17.34 601.9 216 -40.3 40.3
HWK e P 90.00 0.10 0.76 89.97 0.03 511.1 140 -42.2 42.2
HWK e S 128.00 0.50 0.50 140.47 -12.47 511.1 140 -40.3 40.3
KLB e P 201.70 0.30 0.56 207.62 -5.92 1483.9 244 -42.2 42.2
KLB e S 339.00 1.00 0.40 345.31 -6.31 1483.9 244 -40.3 40.3
KNA e P 176.00 1.00 0.35 176.75 -0.75 1228.8 344 -42.2 42.2
KNA e S 299.00 2.00 0.26 291.57 7.43 1228.8 344 -40.3 40.3
MBL e P 185.30 0.20 0.57 192.25 -6.95 1356.9 293 -42.2 42.2
MBL e S 312.00 0.30 0.45 318.55 -6.55 1356.9 293 -40.3 40.3
MEKA e P 185.30 0.20 0.61 188.54 -3.24 1325.9 266 -42.2 42.2
MEKA e S 312.00 0.30 0.51 312.08 -0.08 1325.9 266 -40.3 40.3
MRWA e P 213.00 0.50 0.43 220.79 -7.79 1592.9 255 -42.2 42.2
MRWA e S 361.40 0.30 0.45 368.24 -6.84 1592.9 255 -40.3 40.3
MTN e P 210.00 0.30 0.56 210.92 -0.92 1511.5 357 -42.2 42.2
MTN e S 352.30 0.30 0.51 351.06 1.24 1511.5 357 -40.3 40.3
MUN i-P 220.80 0.10 1.00 226.41 -5.61 1639.3 244 -42.2 42.2
MUN e S 373.00 1.00 0.40 378.02 -5.02 1639.3 244 -40.3 40.3
NANU e P 229.40 0.20 0.61 235.90 -6.50 1718.0 281 -42.2 42.2
NANU e S 392.40 0.50 0.46 394.54 -2.14 1718.0 281 -40.3 40.3
NWAO e P 214.00 0.50 0.51 219.74 -5.74 1584.2 239 -42.2 42.2
NWAO e S 365.00 2.00 0.35 366.42 -1.42 1584.2 239 -40.3 40.3
STK e P 165.60 0.10 0.70 165.07 0.53 1132.1 124 -42.2 42.2
STK e S 276.30 0.50 0.46 271.23 5.07 1132.1 124 -40.3 40.3
WARB i-P 91.00 0.10 1.08 90.59 0.41 516.0 272 -42.2 42.2
WARB e S 146.30 1.00 0.43 141.56 4.74 516.0 272 -40.3 40.3
WB2 i+P 121.00 0.10 1.04 121.40 -0.40 770.8 20 -42.2 42.2
WB2 e S 198.50 0.50 0.47 195.19 3.31 770.8 20 -40.3 40.3
NO VELOCITY RATIOS
Start
Date 1990-12-05
Origin Time 0742 16.96 +- 4.68
Zone 50
Easting 515.24 +- 28.06 Longitude 117.159
Northing 6600.11 +- 29.96 Latitude -30.732
Depth 1.00 +- 78.60 C
Arrival times = 6 S.D. = 0.207 Seismographs = 3
Nearest recorder = 45.5 km Gap = 221.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
1 km NE ( 26 deg) of CAA
WESTERN AUSTRALIA
184 km NE ( 43 deg) of PERTH
5 km NE ( 33 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
CAA 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 24.50 0.20 0.82 24.38 0.12 45.5 287 1.6 1.6
BAL e S 29.30 0.30 0.68 29.53 -0.23 45.5 287 1.6 1.6
CAA S-P 5.00 5.00 0.51 0.25 4.75 1.8 206 0.0 0.0
KLB e P 35.00 0.50 0.63 35.10 -0.10 111.2 149 0.7 0.7
KLB e S 47.50 1.00 0.50 47.68 -0.18 111.2 149 0.7 0.7
KLB SMS 51.00 1.00 0.39 51.99 -0.99 111.2 149 -37.2 37.2
MRWA P 49.70 2.00 1.18 47.92 1.78 201.8 326 -42.2 42.2
MRWA i SG 72.50 2.00 0.43 72.71 -0.21 201.8 326 0.4 0.4
MUN e P 43.50 0.30 0.68 43.20 0.30 165.1 212 -30.8 30.8
MUN e S 62.50 0.50 0.55 62.58 -0.08 165.1 212 0.4 0.4
Velocity Ratios
BAL KLB MUN
BAL 1.64 0.00 1.75
0.09 0.00 0.09
KLB 0.00 1.69 0.00
0.00 0.11 0.00
MUN 1.75 0.00 1.72
0.09 0.00 0.04
Start
Date 1990-12-12
Origin Time 2340 16.99 +- 1.61
Zone 50
Easting 491.14 +- 39.04 Longitude 116.904
Northing 6199.21 +- 16.54 Latitude -34.348
Depth 5.00 +- 40.04 N
Arrival times = 7 S.D. = 0.240 Seismographs = 4
Nearest recorder = 26.4 km Gap = 187.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
26 km N (338 deg) of RKG
WESTERN AUSTRALIA
284 km S (160 deg) of PERTH
114 km NW (309 deg) of ALBANY
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
KLB w SG 104.00 2.00 0.40 104.27 -0.27 315.9 14 1.0 1.0
KLB w S 104.00 2.00 0.40 94.33 9.67 315.9 14 -40.3 40.3
MUN e SG 91.40 0.30 0.58 91.76 -0.36 270.6 346 1.1 1.1
MUN e S 91.40 0.30 0.58 84.79 6.61 270.6 346 -40.3 40.3
NWAO e P 43.00 0.50 0.61 42.26 0.74 160.6 11 -30.8 30.8
NWAO e S 61.10 0.20 0.66 61.26 -0.16 160.6 11 -23.9 23.9
RKG S-P 3.00 0.10 1.40 3.05 -0.05 26.4 158 0.0 0.0
RKG i P 21.40 0.10 1.40 21.39 0.01 26.4 158 11.3 11.3
RKG i S 24.40 0.10 1.26 24.44 -0.04 26.4 158 11.3 11.3
Velocity Ratios
RKG NWAO
RKG 1.68 1.70
0.06 0.06
NWAO 1.70 1.70
0.06 0.04
Start
Date 1990-12-15
Origin Time 1400 32.64 +- 0.70
Zone 50
Easting 591.07 +- 4.81 Longitude 117.959
Northing 6510.41 +- 8.18 Latitude -31.538
Depth 2.22 +- 11.45
Arrival times = 10 S.D. = 0.414 Seismographs = 5
Nearest recorder = 19.9 km Gap = 126.7 deg Accuracy = B
Effects Code = Imax = 0 Fault =
19 km E ( 72 deg) of KLB
WESTERN AUSTRALIA
205 km E ( 78 deg) of PERTH
25 km NE ( 66 deg) of Kellerberrin
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 57.50 0.50 0.61 57.76 -0.26 157.9 310 -30.8 30.8
BAL e S 76.80 0.50 0.55 76.25 0.55 157.9 310 0.9 0.9
COOL w P 79.00 2.00 0.45 76.84 2.16 312.2 77 -42.2 42.2
COOL e S 110.70 0.30 0.58 109.74 0.96 312.2 77 -40.3 40.3
COOL e SG 118.00 0.30 0.58 118.89 -0.89 312.2 77 0.5 0.5
KLB i+P 36.00 0.10 1.43 35.90 0.10 19.9 252 7.2 7.2
KLB e S 38.10 0.30 0.72 38.16 -0.06 19.9 252 7.2 7.2
MUN e P 59.70 0.20 0.73 59.86 -0.16 172.9 253 -30.8 30.8
MUN i S 80.10 0.10 1.08 80.33 -0.23 172.9 253 -23.9 23.9
NWAO e P 59.00 0.50 0.61 59.25 -0.25 168.5 203 -30.8 30.8
NWAO e S 79.60 0.20 0.66 79.19 0.41 168.5 203 0.8 0.8
Velocity Ratios
KLB BAL NWAO MUN
KLB 1.62 1.80 1.80 1.77
0.14 0.09 0.07 0.04
BAL 1.80 1.78 0.00 0.00
0.09 0.06 0.00 0.00
NWAO 1.80 0.00 1.78 0.00
0.07 0.00 0.04 0.00
MUN 1.77 0.00 0.00 1.75
0.04 0.00 0.00 0.02
Start
Date 1990-12-15
Origin Time 1734 23.04 +- 4.61
Zone 52
Easting 462.70 +- 39.86 Longitude 128.650
Northing 8171.12 +- 19.61 Latitude -16.542
Depth 5.00 +- 27.23 N
Arrival times = 8 S.D. = 0.758 Seismographs = 3
Nearest recorder = 88.4 km Gap = 245.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
88 km S (188 deg) of KNA
WESTERN AUSTRALIA
85 km S (186 deg) of Kununurra
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
KNA i-P 37.20 0.10 1.27 37.49 -0.29 88.4 8 3.3 3.3
KNA e S 47.50 0.20 0.70 47.51 -0.01 88.4 8 3.3 3.3
MTN e P 89.50 0.30 0.61 88.17 1.33 488.2 33 -42.2 42.2
MTN e PG 103.70 0.30 0.61 102.68 1.02 488.2 33 0.6 0.6
MTN e S 137.00 0.30 0.55 136.61 0.39 488.2 33 -40.3 40.3
MTN e SG 157.00 0.30 0.55 157.90 -0.90 488.2 33 0.6 0.6
WB5 e P 114.00 1.00 0.46 114.94 -0.94 709.3 122 -42.2 42.2
WB5 e S 183.00 1.00 0.42 183.22 -0.22 709.3 122 -40.3 40.3
Velocity Ratios
KNA MTN WB5
KNA 1.73 1.71 1.76
0.03 0.02 0.04
MTN 1.71 1.71 1.88
0.02 0.01 0.16
WB5 1.76 1.88 1.76
0.04 0.16 0.03
Start
Date 1990-12-21
Origin Time 1557 5.25 +- 0.58
Zone 50
Easting 546.81 +- 4.59 Longitude 117.491
Northing 6548.70 +- 4.36 Latitude -31.195
Depth 3.78 +- 9.97
Arrival times = 11 S.D. = 0.085 Seismographs = 5
Nearest recorder = 50.9 km Gap = 134.3 deg Accuracy = A
Effects Code = Imax = 0 Fault =
26 km NW (320 deg) of KBN
WESTERN AUSTRALIA
177 km NE ( 62 deg) of PERTH
40 km S (178 deg) of Koorda
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
BAL i+P 21.40 0.10 1.26 21.47 -0.07 99.3 310 2.4 2.4
BAL i S 32.80 0.10 1.13 32.72 0.08 99.3 310 2.4 2.4
COOL w P 54.00 2.00 0.44 53.92 0.08 350.6 85 -42.2 42.2
COOL e S 90.00 0.50 0.51 90.15 -0.15 350.6 85 -40.3 40.3
COOL e SG 102.00 1.00 0.45 102.11 -0.11 350.6 85 0.7 0.7
KLB i+P 13.60 0.10 1.33 13.58 0.02 50.9 150 4.6 4.6
KLB e S 19.40 0.20 0.73 19.35 0.05 50.9 150 4.6 4.6
MRWA e P 45.50 0.20 0.70 43.20 2.30 262.1 326 -42.2 42.2
MRWA i S 76.10 0.10 1.04 71.49 4.61 262.1 326 -40.3 40.3
MUN i-P 29.10 0.10 1.22 29.08 0.02 149.5 234 -30.8 30.8
MUN e S 46.40 0.20 0.67 46.58 -0.18 149.5 234 1.5 1.5
NWAO e P 35.00 0.20 0.72 34.90 0.10 193.5 187 -42.2 42.2
NWAO e S 57.00 0.50 0.54 57.04 -0.04 193.5 187 -40.3 40.3
Velocity Ratios
KLB BAL MUN NWAO COOL
KLB 1.69 1.72 1.74 1.76 1.75
0.04 0.08 0.05 0.06 0.11
BAL 1.72 1.71 1.77 1.78 1.75
0.08 0.02 0.09 0.09 0.14
MUN 1.74 1.77 1.73 0.00 1.75
0.05 0.09 0.02 0.00 0.19
NWAO 1.76 1.78 0.00 1.74 0.00
0.06 0.09 0.00 0.03 0.00
COOL 1.75 1.75 1.75 0.00 1.74
0.11 0.14 0.19 0.00 0.09
Start
Date 1990-12-22
Origin Time 2225 30.18 +- 4.85
Zone 50
Easting 599.59 +- 24.14 Longitude 118.074
Northing 6274.34 +- 11.47 Latitude -33.666
Depth 1.60 +- 36.50
Arrival times = 8 S.D. = 0.532 Seismographs = 5
Nearest recorder = 113.4 km Gap = 180.1 deg Accuracy = B
Effects Code = Imax = 0 Fault =
23 km NW (336 deg) of GNOC
WESTERN AUSTRALIA
282 km SE (133 deg) of PERTH
149 km N ( 7 deg) of ALBANY
30 km N ( 13 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 2.0
PHASE INFORMATION
DATA USED
BAL e S 118.00 1.00 0.45 119.67 -1.67 362.8 338 -39.8 39.8
BAL e SG 131.00 0.50 0.51 132.67 -1.67 362.8 338 0.3 0.3
COOL w P 88.50 1.00 0.50 88.64 -0.14 423.1 43 -40.9 40.9
COOL e S 123.00 1.00 0.44 132.79 -9.79 423.1 43 -39.8 39.8
KLB e P 65.00 0.50 0.59 65.03 -0.03 231.8 352 -40.9 40.9
KLB e S 91.00 0.50 0.53 91.27 -0.27 231.8 352 -39.8 39.8
MUN w P 68.00 2.00 0.45 68.00 0.00 255.9 316 -40.9 40.9
MUN e PG 70.70 0.20 0.71 71.93 -1.23 255.9 316 0.4 0.4
MUN e S 95.50 0.50 0.53 96.48 -0.98 255.9 316 -39.8 39.8
MUN e SG 99.00 0.20 0.64 102.48 -3.48 255.9 316 0.4 0.4
NWAO e P 48.00 0.20 0.76 48.67 -0.67 113.4 316 0.9 0.9
NWAO e S 61.60 0.30 0.63 62.20 -0.60 113.4 316 0.9 0.9
RKG i+P 52.80 0.10 1.22 52.84 -0.04 140.2 223 -31.2 31.2
RKG i S 69.10 0.10 1.10 69.75 -0.65 140.2 223 -29.6 29.6
Velocity Ratios
RKG KLB MUN
RKG 1.72 1.80 0.00
0.01 0.14 0.00
KLB 1.80 1.75 0.00
0.14 0.04 0.00
MUN 0.00 0.00 1.73
0.00 0.00 0.11
Start
Date 1990-12-26
Origin Time 1004 8.80 +- 5.40
Zone 51
Easting 722.20 +- 13.98 Longitude 125.305
Northing 6670.21 +- 24.13 Latitude -30.079
Depth 3.46 +- 44.06
Arrival times = 11 S.D. = 1.586 Seismographs = 4
Nearest recorder = 277.4 km Gap = 148.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
277 km W (286 deg) of FORR
WESTERN AUSTRALIA
926 km E ( 80 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 2.6
PHASE INFORMATION
DATA USED
COOL w P 66.00 2.00 0.43 65.34 0.66 409.2 256 -40.9 40.9
COOL w S 109.00 2.00 0.39 108.05 0.95 409.2 256 -39.8 39.8
COOL w SG 124.50 2.00 0.39 124.39 0.11 409.2 256 0.6 0.6
FORR S-P 29.70 0.20 1.00 30.38 -0.68 277.4 107 0.0 0.0
FORR i-P 49.00 0.20 1.00 49.09 -0.09 277.4 107 -40.9 40.9
FORR i S 78.70 0.30 0.83 79.47 -0.77 277.4 107 -39.8 39.8
MBL w P 127.00 1.00 0.45 154.20 -27.20 1130.1 329 -40.9 40.9
MBL w S 228.00 2.00 0.35 264.38 -36.38 1130.1 329 -39.8 39.8
MEKA w P 108.50 2.00 0.41 109.45 -0.95 766.9 298 -40.9 40.9
MEKA e PG 131.00 0.50 0.53 133.90 -2.90 766.9 298 0.3 0.3
MEKA w S 183.00 2.00 0.37 185.65 -2.65 766.9 298 -39.8 39.8
MEKA e SG 221.00 0.30 0.53 225.43 -4.43 766.9 298 0.3 0.3
MRWA e S 165.00 0.50 0.47 216.03 -51.03 907.1 273 -39.8 39.8
MUN e S 209.00 0.50 0.40 213.22 -4.22 894.2 253 -39.8 39.8
WARB e P 71.10 0.30 0.62 70.56 0.54 451.5 17 -40.9 40.9
WARB e S 117.00 0.50 0.50 117.23 -0.23 451.5 17 -39.8 39.8
WARB w SG 134.00 1.00 0.45 136.35 -2.35 451.5 17 0.5 0.5
Velocity Ratios
FORR COOL WARB MEKA
FORR 1.74 0.00 1.73 1.75
0.02 0.00 0.08 0.11
COOL 0.00 1.75 0.00 0.00
0.00 0.10 0.00 0.00
WARB 1.73 0.00 1.74 1.76
0.08 0.00 0.02 0.19
MEKA 1.75 0.00 1.76 1.75
0.11 0.00 0.19 0.06
Start
Date 1990-12-29
Origin Time 1100 15.23 +- 206.15
Zone 50
Easting 509.15 +-1600.67 Longitude 117.096
Northing 6594.09 +-1351.57 Latitude -30.786
Depth 2.53 +-2817.44
Arrival times = 7 S.D. =67.008 Seismographs = 5
Nearest recorder = 42.2 km Gap = 130.0 deg Accuracy = B
Effects Code = Imax = 0 Fault =
4 km W (262 deg) of CAR
WESTERN AUSTRALIA
175 km NE ( 43 deg) of PERTH
4 km SW (242 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 22.30 0.20 0.82 22.14 0.16 42.2 298 3.8 3.8
BAL e S 27.00 0.30 0.68 26.92 0.08 42.2 298 3.8 3.8
KLB i+PG 33.50 0.10 1.25 33.09 0.41 109.4 144 1.5 1.5
KLB i S 45.70 0.20 0.98 45.48 0.22 109.4 144 1.5 1.5
MBL SG 143.30 0.50 0.73 319.37-176.07 1101.0 14 0.1 0.1
MRWA e P2 47.20 0.20 0.50 46.74 0.46 203.6 328 -30.8 30.8
MUN e P2 40.00 0.20 0.52 40.18 -0.18 156.8 212 -30.8 30.8
MUN e P 40.00 0.20 0.74 40.18 -0.18 156.8 212 -30.8 30.8
MUN e S2 59.00 0.30 0.41 58.82 0.18 156.8 212 -23.9 23.9
NWAO i S2 80.10 0.20 0.61 79.24 0.86 237.6 176 -23.9 23.9
Velocity Ratios
BAL
BAL 1.67
0.09