Data Report
Bulletin / 1994-08
Contributed by CUPWA
Date 1994-08-01
Origin Time 1857 56.74 +- 0.48
Zone 50
Easting 492.42 +- 2.43 Longitude 116.920
Northing 6485.85 +- 2.81 Latitude -31.763
Depth 5.00 +- 11.01 N
Arrival times = 9 S.D. = 0.201 Seismographs = 5
Nearest recorder = 71.4 km Gap = 92.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
14 km W (247 deg) of ME3
WESTERN AUSTRALIA
103 km E ( 79 deg) of PERTH
17 km SW (210 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
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MUN e P 68.40 0.10 0.91 68.43 -0.03 71.4 250 4.2 4.2
MUN e S 76.70 0.20 0.71 76.53 0.17 71.4 250 4.2 4.2
KLB e P 70.20 0.20 0.78 70.12 0.08 81.9 76 3.7 3.7
KLB e S 79.50 0.20 0.70 79.40 0.10 81.9 76 3.7 3.7
BAL e P 78.00 0.30 0.69 77.70 0.30 129.7 350 -30.8 30.8
BAL e S 92.30 0.20 0.68 92.61 -0.31 129.7 350 2.3 2.3
NWAO e P 77.80 0.20 0.75 78.06 -0.26 132.3 167 -30.8 30.8
NWAO e S 93.30 0.30 0.62 93.33 -0.03 132.3 167 2.3 2.3
MRWA e S2 135.00 0.30 0.32 135.12 -0.12 295.6 342 -23.9 23.9
9 times used, S = 0.201
Deferred Data
MRWA e S 135.00 0.30 0.58 129.81 5.19 295.6 342 -40.3 40.3
Velocity Ratios
MUN KLB BAL NWAO
MUN 1.71 0.00 1.63 1.77
0.03 0.00 0.11 0.11
KLB 0.00 1.69 1.64 1.82
0.00 0.04 0.17 0.17
BAL 1.63 1.64 1.67 0.00
0.11 0.17 0.03 0.00
NWAO 1.77 1.82 0.00 1.74
0.11 0.17 0.00 0.03
Date 1994-08-03
Origin Time 0901 32.42 +- 0.96
Zone 50
Easting 519.26 +- 44.85 Longitude 117.208
Northing 6282.07 +- 4.81 Latitude -33.601
Depth 5.00 +- 16.55 N
Arrival times = 7 S.D. = 0.202 Seismographs = 3
Nearest recorder = 74.8 km Gap = 187.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
18 km E ( 90 deg) of BEAU
WESTERN AUSTRALIA
223 km SE (146 deg) of PERTH
167 km N (338 deg) of ALBANY
26 km N ( 12 deg) of Kojonup
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NWAO e P 44.70 0.20 0.79 44.65 0.05 74.8 1 4.0 4.0
NWAO e S 53.00 0.20 0.71 53.13 -0.13 74.8 1 4.0 4.0
RKG e P 50.50 0.30 0.70 50.21 0.29 109.0 189 2.8 2.8
RKG e S 62.20 0.30 0.63 62.55 -0.35 109.0 189 2.8 2.8
RKG SMS 66.40 0.30 0.50 66.29 0.11 109.0 189 -36.6 36.6
MUN e P 63.00 0.30 0.67 63.05 -0.05 202.8 332 -42.2 42.2
MUN e S 86.00 0.30 0.60 85.93 0.07 202.8 332 -40.3 40.3
7 times used, S = 0.202
Velocity Ratios
NWAO RKG MUN
NWAO 1.68 0.00 1.80
0.04 0.00 0.08
RKG 0.00 1.65 1.90
0.00 0.04 0.15
MUN 1.80 1.90 1.75
0.08 0.15 0.03
Date 1994-08-09
Origin Time 0645 45.80 +- 4.27
Zone 50
Easting 436.23 +- 10.82 Longitude 116.313
Northing 6290.19 +- 19.12 Latitude -33.526
Depth 0.00 +- 14.50 G
Arrival times = 10 S.D. = 0.563 Seismographs = 5
Nearest recorder = 108.5 km Gap = 304.0 deg Accuracy = B
Effects Code = Imax = 0 Fault =
64 km W (277 deg) of BEAU
WESTERN AUSTRALIA
180 km S (166 deg) of PERTH
139 km NE ( 51 deg) of AUGUSTA
23 km SE (139 deg) of Collie
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NWAO e P 63.20 0.10 0.88 63.49 -0.29 108.5 52 0.1 0.1
NWAO e S 75.80 0.20 0.69 75.76 0.04 108.5 52 0.1 0.1
MUN e P 72.50 0.30 0.68 73.06 -0.56 171.9 356 -30.8 30.8
MUN e S 92.50 0.30 0.61 93.27 -0.77 171.9 356 0.1 0.1
KLB e P 83.00 1.00 0.51 83.15 -0.15 253.8 32 -42.2 42.2
KLB e S 111.50 0.50 0.53 110.96 0.54 253.8 32 -40.3 40.3
BAL e P 92.00 1.00 0.50 91.85 0.15 325.7 6 -42.2 42.2
BAL e S 127.00 0.50 0.52 126.10 0.90 325.7 6 -40.3 40.3
MRWA e P 111.00 0.50 0.55 110.32 0.68 478.4 356 -42.2 42.2
MRWA e S 159.00 1.00 0.43 158.25 0.75 478.4 356 -40.3 40.3
10 times used, S = 0.563
Velocity Ratios
NWAO MUN KLB BAL MRWA
NWAO 1.72 1.80 1.80 1.78 1.74
0.02 0.14 0.14 0.10 0.05
MUN 1.80 1.75 0.00 1.77 1.73
0.14 0.03 0.00 0.17 0.07
KLB 1.80 0.00 1.77 0.00 1.70
0.14 0.00 0.06 0.00 0.15
BAL 1.78 1.77 0.00 1.76 0.00
0.10 0.17 0.00 0.05 0.00
MRWA 1.74 1.73 1.70 0.00 1.74
0.05 0.07 0.15 0.00 0.03
Date 1994-08-13
Origin Time 0438 10.34 +- 3.17
Zone 51
Easting 249.25 +- 9.39 Longitude 120.466
Northing 6974.37 +- 11.90 Latitude -27.331
Depth 5.00 +- 22.36 N
Arrival times = 10 S.D. = 0.888 Seismographs = 5
Nearest recorder = 199.4 km Gap = 147.3 deg Accuracy = C
Effects Code = Imax = 0 Fault =
199 km SE (113 deg) of MEEK
WESTERN AUSTRALIA
679 km NE ( 42 deg) of PERTH
192 km NW (333 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
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MEEK e P 40.00 0.30 0.67 40.60 -0.60 199.4 292 -42.2 42.2
MEEK e S 64.00 0.50 0.54 63.20 0.80 199.4 292 -40.3 40.3
MRWA e S 122.00 0.50 0.50 123.70 -1.70 487.0 243 -40.3 40.3
MRWA e SG 146.00 0.50 0.50 144.87 1.13 487.0 243 0.6 0.6
BAL e S 131.00 0.30 0.55 129.97 1.03 516.8 224 -40.3 40.3
BAL e SG 152.40 0.30 0.55 153.10 -0.70 516.8 224 0.6 0.6
KLB e S 135.00 0.50 0.49 135.07 -0.07 541.0 208 -40.3 40.3
KLB e SG 160.00 0.50 0.49 159.80 0.20 541.0 208 0.6 0.6
WARB e P 91.80 0.20 0.65 92.34 -0.54 627.4 79 -42.2 42.2
WARB e S 154.00 0.30 0.54 153.28 0.72 627.4 79 -40.3 40.3
10 times used, S = 0.888
Deferred Data
WARB e SG 178.00 0.50 0.49 183.65 -5.65 627.4 79 0.5 0.5
Velocity Ratios
MEEK WARB
MEEK 1.81 1.74
0.04 0.03
WARB 1.74 1.76
0.03 0.01
Date 1994-08-13
Origin Time 0927 58.84 +- 2.99
Zone 51
Easting 300.60 +- 9.46 Longitude 120.978
Northing 6938.06 +- 12.53 Latitude -27.667
Depth 5.00 +- 22.34 N
Arrival times = 14 S.D. = 1.022 Seismographs = 6
Nearest recorder = 260.8 km Gap = 139.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
260 km SE (116 deg) of MEEK
WESTERN AUSTRALIA
686 km NE ( 48 deg) of PERTH
139 km N (346 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
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MEEK e P 96.00 0.30 0.65 96.53 -0.53 260.8 295 -42.2 42.2
MEEK e S 125.00 0.30 0.59 124.63 0.37 260.8 295 -40.3 40.3
MEEK e SG 132.00 0.50 0.53 130.91 1.09 260.8 295 1.2 1.2
MRWA e P 126.00 0.50 0.55 127.66 -1.66 518.5 249 -42.2 42.2
MRWA e S 177.00 0.50 0.49 178.84 -1.84 518.5 249 -40.3 40.3
BAL e P 129.00 0.50 0.55 128.93 0.07 529.0 230 -42.2 42.2
BAL e S 181.00 1.00 0.43 181.05 -0.05 529.0 230 -40.3 40.3
BAL e SG 205.00 0.50 0.49 204.98 0.02 529.0 230 0.6 0.6
KLB e P 131.40 0.50 0.55 129.74 1.66 535.7 214 -42.2 42.2
KLB e S 183.00 1.00 0.43 182.46 0.54 535.7 214 -40.3 40.3
WARB e P 134.80 0.30 0.60 135.84 -1.04 586.1 74 -42.2 42.2
WARB e S 194.00 0.50 0.49 193.08 0.92 586.1 74 -40.3 40.3
MUN e P 146.00 0.50 0.54 145.39 0.61 665.2 222 -42.2 42.2
MUN e S 210.00 0.50 0.48 209.71 0.29 665.2 222 -40.3 40.3
14 times used, S = 1.022
Deferred Data
KLB e SG 212.00 0.10 0.68 206.84 5.16 535.7 214 0.6 0.6
MUN e SG 246.00 1.00 0.42 242.61 3.39 665.2 222 0.5 0.5
MBL e SG 264.00 0.50 0.48 260.60 3.40 730.4 350 0.4 0.4
Velocity Ratios
MEEK MRWA BAL KLB WARB MUN
MEEK 1.78 1.73 1.70 1.64 1.78 1.70
0.02 0.07 0.08 0.08 0.05 0.04
MRWA 1.73 1.76 0.00 0.00 0.00 1.65
0.07 0.02 0.00 0.00 0.00 0.14
BAL 1.70 0.00 1.74 0.00 0.00 0.00
0.08 0.00 0.03 0.00 0.00 0.00
KLB 1.64 0.00 0.00 1.71 0.00 0.00
0.08 0.00 0.00 0.03 0.00 0.00
WARB 1.78 0.00 0.00 0.00 1.78 0.00
0.05 0.00 0.00 0.00 0.01 0.00
MUN 1.70 1.65 0.00 0.00 0.00 1.73
0.04 0.14 0.00 0.00 0.00 0.02
Date 1994-08-16
Origin Time 0438 50.58 +- 4.57
Zone 51
Easting 249.36 +- 11.12 Longitude 120.469
Northing 6985.92 +- 14.57 Latitude -27.227
Depth 5.00 +- 33.20 N
Arrival times = 12 S.D. = 1.104 Seismographs = 6
Nearest recorder = 195.7 km Gap = 136.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
195 km E (109 deg) of MEEK
WESTERN AUSTRALIA
689 km NE ( 42 deg) of PERTH
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MEEK e P 81.00 0.20 0.72 80.39 0.61 195.7 289 -42.2 42.2
MEEK e SG 106.00 0.20 0.65 104.66 1.34 195.7 289 1.6 1.6
MRWA e S 164.00 0.30 0.55 165.12 -1.12 492.6 242 -40.3 40.3
MRWA e SG 187.00 0.50 0.50 186.66 0.34 492.6 242 0.6 0.6
BAL w P 120.00 2.00 0.42 120.23 -0.23 525.3 223 -42.2 42.2
BAL e S 172.00 2.00 0.37 172.02 -0.02 525.3 223 -40.3 40.3
WARB e P 133.00 0.20 0.65 132.31 0.69 625.1 80 -42.2 42.2
WARB e S 194.00 0.50 0.49 193.05 0.95 625.1 80 -40.3 40.3
MUN e P 138.00 0.50 0.54 137.77 0.23 670.5 216 -42.2 42.2
MUN e S 201.00 0.50 0.48 202.57 -1.57 670.5 216 -40.3 40.3
MBL e P 137.90 0.20 0.64 138.37 -0.47 675.5 354 -42.2 42.2
MBL e S 201.30 0.30 0.53 203.61 -2.31 675.5 354 -40.3 40.3
12 times used, S = 1.104
Deferred Data
MEEK e S 106.00 0.30 0.60 102.65 3.35 195.7 289 -40.3 40.3
MRWA e P 114.00 0.50 0.55 116.27 -2.27 492.6 242 -42.2 42.2
BAL e SG 206.00 2.00 0.37 195.71 10.29 525.3 223 0.6 0.6
Velocity Ratios
BAL WARB MUN MBL
BAL 1.75 0.00 0.00 0.00
0.08 0.00 0.00 0.00
WARB 0.00 1.74 0.00 0.00
0.00 0.01 0.00 0.00
MUN 0.00 0.00 1.72 0.00
0.00 0.00 0.02 0.00
MBL 0.00 0.00 0.00 1.73
0.00 0.00 0.00 0.01
Date 1994-08-20
Origin Time 1237 56.84 +- 0.56
Zone 50
Easting 527.45 +- 3.64 Longitude 117.291
Northing 6459.74 +- 2.65 Latitude -31.998
Depth 5.00 +- 13.07 N
Arrival times = 8 S.D. = 0.226 Seismographs = 4
Nearest recorder = 63.3 km Gap = 138.4 deg Accuracy = B
Effects Code = Imax = 0 Fault =
1 km E ( 81 deg) of QUA
WESTERN AUSTRALIA
136 km E ( 93 deg) of PERTH
37 km E ( 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 1.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 67.00 0.10 0.92 67.20 -0.20 63.3 44 4.8 4.8
KLB e S 74.50 0.10 0.82 74.38 0.12 63.3 44 4.8 4.8
MUN e P 73.70 0.10 0.88 73.54 0.16 102.3 270 2.9 2.9
MUN e S 85.00 0.10 0.79 85.13 -0.13 102.3 270 2.9 2.9
NWAO e P 73.90 0.20 0.77 73.68 0.22 103.1 182 2.9 2.9
NWAO e S 85.50 0.10 0.79 85.35 0.15 103.1 182 2.9 2.9
NWAO S2 86.10 0.10 0.63 86.59 -0.49 103.1 182 -23.9 23.9
BAL e S 102.00 0.30 0.55 101.96 0.04 163.9 340 -23.9 23.9
8 times used, S = 0.226
Velocity Ratios
KLB MUN NWAO
KLB 1.74 1.57 1.59
0.03 0.08 0.10
MUN 1.57 1.67 0.00
0.08 0.02 0.00
NWAO 1.59 0.00 1.68
0.10 0.00 0.03
Date 1994-08-20
Origin Time 2348 9.11 +- 1.43
Zone 50
Easting 522.47 +- 11.64 Longitude 117.239
Northing 6423.13 +- 7.91 Latitude -32.328
Depth 5.00 +- 27.77 N
Arrival times = 7 S.D. = 0.427 Seismographs = 4
Nearest recorder = 66.3 km Gap = 149.3 deg Accuracy = B
Effects Code = Imax = 0 Fault =
30 km NE ( 49 deg) of PING
WESTERN AUSTRALIA
138 km E (108 deg) of PERTH
23 km E ( 87 deg) of Brookton
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NWAO e P 19.80 0.10 0.91 19.96 -0.16 66.3 180 4.5 4.5
NWAO e S 27.70 0.10 0.82 27.49 0.21 66.3 180 4.5 4.5
KLB e P 25.00 0.50 0.64 24.69 0.31 95.4 31 3.2 3.2
KLB e S 35.00 0.20 0.69 35.49 -0.49 95.4 31 3.2 3.2
MUN e P 25.90 0.10 0.88 26.20 -0.30 104.6 291 2.9 2.9
MUN e S 38.00 0.10 0.79 38.05 -0.05 104.6 291 2.9 2.9
BAL e S 62.50 0.30 0.60 61.50 1.00 197.4 345 -40.3 40.3
7 times used, S = 0.427
Velocity Ratios
NWAO KLB MUN
NWAO 1.74 0.00 1.69
0.03 0.00 0.09
KLB 0.00 1.63 0.00
0.00 0.07 0.00
MUN 1.69 0.00 1.72
0.09 0.00 0.02
Date 1994-08-22
Origin Time 0331 49.15 +- 3.34
Zone 52
Easting 223.61 +- 8.68 Longitude 126.323
Northing 7564.66 +- 7.33 Latitude -22.001
Depth 5.00 +- 27.09 N
Arrival times = 19 S.D. = 1.183 Seismographs = 12
Nearest recorder = 464.6 km Gap = 104.0 deg Accuracy = B
Effects Code = Imax = 0 Fault =
436 km S (170 deg) of FITX
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 3.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
WARB e P 113.00 0.10 0.77 111.47 1.53 464.6 176 -42.2 42.2
MBL e P 139.00 0.20 0.64 137.68 1.32 681.7 276 -42.2 42.2
MBL e S 205.40 0.20 0.58 203.48 1.92 681.7 276 -40.3 40.3
KNA e P 143.70 1.00 0.46 144.51 -0.81 738.2 20 -42.2 42.2
KNA e S 214.70 0.30 0.53 215.36 -0.66 738.2 20 -40.3 40.3
KNA e SG 254.20 0.50 0.48 253.06 1.14 738.2 20 0.4 0.4
ASPA i S 229.20 0.20 0.81 228.45 0.75 800.0 105 -40.3 40.3
WR2 e P 159.70 0.20 0.63 160.11 -0.41 867.0 76 -42.2 42.2
MEEK e P 170.20 0.20 0.62 169.05 1.15 940.8 235 -42.2 42.2
FORT i+P 174.20 0.10 1.01 174.97 -0.77 990.1 170 -42.2 42.2
FORT e S 268.40 0.20 0.56 268.39 0.01 990.1 170 -40.3 40.3
WOOL i-P 189.80 0.10 1.00 189.40 0.40 1109.3 203 -42.2 42.2
MTN e P 190.30 0.30 0.56 192.38 -2.08 1134.1 27 -42.2 42.2
MTN e S 299.00 0.50 0.46 298.70 0.30 1134.1 27 -40.3 40.3
MRWA i P 213.20 0.20 0.87 214.76 -1.56 1319.0 230 -42.2 42.2
MRWA e S 338.00 0.50 0.46 337.67 0.33 1319.0 230 -40.3 40.3
BAL e P 218.60 0.10 0.70 219.89 -1.29 1361.5 223 -42.2 42.2
BAL e S 346.00 0.50 0.46 346.61 -0.61 1361.5 223 -40.3 40.3
MUN e S 375.00 0.50 0.46 376.33 -1.33 1502.7 219 -40.3 40.3
19 times used, S = 1.183
Deferred Data
ASPA e P 149.30 0.20 0.63 152.03 -2.73 800.0 105 -42.2 42.2
WR2 e S 238.80 0.30 0.52 242.52 -3.72 867.0 76 -40.3 40.3
MEEK e S 261.50 0.20 0.56 258.08 3.42 940.8 235 -40.3 40.3
WOOL i S 295.90 0.20 0.78 293.53 2.37 1109.3 203 -40.3 40.3
MUN e P 232.00 0.50 0.51 236.97 -4.97 1502.7 219 -42.2 42.2
Velocity Ratios
MBL KNA FORT MTN MRWA BAL
MBL 1.74 0.00 1.79 1.82 1.79 1.77
0.01 0.00 0.03 0.03 0.02 0.02
KNA 0.00 1.75 1.76 1.81 1.77 1.75
0.00 0.02 0.08 0.07 0.04 0.04
FORT 1.79 1.76 1.75 1.90 1.78 1.75
0.03 0.08 0.00 0.09 0.03 0.02
MTN 1.82 1.81 1.90 1.77 1.70 1.66
0.03 0.07 0.09 0.01 0.08 0.06
MRWA 1.79 1.77 1.78 1.70 1.76 0.00
0.02 0.04 0.03 0.08 0.01 0.00
BAL 1.77 1.75 1.75 1.66 0.00 1.75
0.02 0.04 0.02 0.06 0.00 0.00
Date 1994-08-26
Origin Time 2318 21.07 +- 79.79
Zone 50
Easting 368.41 +- 512.83 Longitude 115.620
Northing 6558.88 +- 105.46 Latitude -31.096
Depth 5.00 +-1012.02 N
Arrival times = 5 S.D. = 0.033 Seismographs = 3
Nearest recorder = 112.6 km Gap = 272.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
85 km W (286 deg) of PIG3
WESTERN AUSTRALIA
103 km NW (329 deg) of Mundaring
97 km N (347 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
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MUN w P 39.50 2.00 0.49 39.45 0.05 112.6 150 2.7 2.7
MUN i S 52.20 0.10 1.12 52.20 0.00 112.6 150 2.7 2.7
BAL i P 40.20 0.10 1.24 40.21 -0.01 117.2 62 2.6 2.6
BAL e S 53.50 0.30 0.63 53.48 0.02 117.2 62 2.6 2.6
NWAO e S2 88.70 1.00 0.26 88.86 -0.16 253.7 143 -23.9 23.9
5 times used, S = 0.033
Velocity Ratios
MUN BAL
MUN 1.69 0.00
0.21 0.00
BAL 0.00 1.70
0.00 0.02
Date 1994-08-30
Origin Time 1342 52.16 +- 5.32
Zone 50
Easting 511.08 +- 28.28 Longitude 117.116
Northing 6597.44 +- 6.62 Latitude -30.756
Depth 1.00 +- 36.18 C
Arrival times = 6 S.D. = 0.143 Seismographs = 3
Nearest recorder = 42.5 km Gap = 244.7 deg Accuracy = B
Effects Code = Imax = 0 Fault =
2 km NW (307 deg) of CADX
WESTERN AUSTRALIA
179 km NE ( 43 deg) of PERTH
2 km NW (319 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
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BAL e P 59.00 0.10 0.95 59.11 -0.11 42.5 292 1.8 1.8
BAL e S 64.00 0.10 0.85 63.92 0.08 42.5 292 1.8 1.8
MUN i+P 77.80 0.10 1.21 77.78 0.02 160.6 212 -30.8 30.8
MUN e SG 96.50 0.20 0.66 96.54 -0.04 160.6 212 0.4 0.4
MRWA e P2 84.00 0.50 0.36 83.54 0.46 201.8 327 -30.8 30.8
MRWA e S2 107.00 0.20 0.36 107.29 -0.29 201.8 327 -23.9 23.9
6 times used, S = 0.143
Deferred Data
CAA S-P 5.00 5.00 0.74 0.43 4.57 3.5 71 0.0 0.0
MRWA e P 84.00 0.10 0.83 83.12 0.88 201.8 327 -42.2 42.2
NWAO e P 87.00 0.30 0.65 87.84 -0.84 240.9 177 -42.2 42.2
NWAO e S 115.90 0.30 0.59 114.42 1.48 240.9 177 -40.3 40.3
NWAO S2 117.40 0.30 0.47 117.16 0.24 240.9 177 -23.9 23.9
Velocity Ratios
BAL
BAL 1.73
0.04
Date 1994-08-31
Origin Time 2048 37.12 +- 51.99
Zone 53
Easting 290.21 +- 398.07 Longitude 133.000
Northing 7836.59 +- 122.03 Latitude -19.554
Depth 5.00 +- 574.64 N
Arrival times = 6 S.D. = 2.847 Seismographs = 3
Nearest recorder = 769.4 km Gap = 235.5 deg Accuracy = D
Effects Code = Imax = 0 Fault =
87 km W (262 deg) of TCAY
NORTHERN TERRITORY
820 km S (164 deg) of DARWIN
124 km W (275 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
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MTN e P 134.50 0.10 0.73 136.25 -1.75 769.4 344 -42.2 42.2
MTN e S 213.00 0.10 0.66 209.89 3.11 769.4 344 -40.3 40.3
WARB e P 160.30 0.10 0.71 162.37 -2.07 985.1 220 -42.2 42.2
WARB e S 260.00 0.10 0.64 255.37 4.63 985.1 220 -40.3 40.3
MBL e P 212.00 0.10 0.70 212.72 -0.72 1401.7 260 -42.2 42.2
MBL e S 341.00 0.10 0.63 343.04 -2.04 1401.7 260 -40.3 40.3
6 times used, S = 2.847
Deferred Data
NANU e S 437.70 0.10 0.63 444.06 -6.36 1881.7 256 -40.3 40.3
Velocity Ratios
MTN WARB MBL
MTN 1.81 1.82 1.65
0.00 0.02 0.01
WARB 1.82 1.81 1.57
0.02 0.00 0.01
MBL 1.65 1.57 1.74
0.01 0.01 0.00