Data Report
Bulletin / 1993-06
Contributed by CUPWA
Date 1993-06-02
Origin Time 1718 53.17 +- 47.06
Zone 50
Easting 430.32 +- 496.65 Longitude 116.334
Northing 7785.55 +- 939.65 Latitude -20.026
Depth 33.26 +-1386.31
Arrival times = 5 S.D. = 0.617 Seismographs = 3
Nearest recorder = 292.0 km Gap = 272.7 deg Accuracy = D
Effects Code = Imax = 0 Fault =
166 km NW (304 deg) of RP01
WESTERN AUSTRALIA
96 km NW (324 deg) of Karratha
80 km NW (330 deg) of Dampier
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 2.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NANU i-P 91.90 0.10 1.14 92.04 -0.14 292.0 196 -30.3 42.2
NANU e S 121.70 0.30 0.58 120.95 0.75 292.0 196 -33.5 40.3
MBL e P 104.40 0.50 0.57 103.39 1.01 385.8 109 -30.3 42.2
MBL e S 140.00 0.50 0.51 140.72 -0.72 385.8 109 -33.5 40.3
MEEK e S 221.30 0.30 0.53 221.30 0.00 768.3 162 -33.5 40.3
5 times used, S = 0.617
Deferred Data
MEEK e P 151.70 0.30 0.58 149.67 2.03 768.3 162 -30.3 42.2
MRWA e P 183.00 0.50 0.51 179.91 3.09 1018.5 181 -30.3 42.2
MRWA e S 276.00 0.50 0.46 273.94 2.06 1018.5 181 -33.5 40.3
Velocity Ratios
NANU MBL
NANU 1.77 1.46
0.01 0.14
MBL 1.46 1.69
0.14 0.03
Date 1993-06-05
Origin Time 1657 28.67 +- 12.93
Zone 51
Easting 414.51 +- 49.86 Longitude 122.089
Northing 6395.14 +- 28.55 Latitude -32.578
Depth 5.00 +- 26.14 N
Arrival times = 9 S.D. = 0.989 Seismographs = 6
Nearest recorder = 208.1 km Gap = 289.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
135 km S (172 deg) of KMBL
WESTERN AUSTRALIA
592 km E ( 98 deg) of PERTH
51 km SE (145 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 2.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
COOL w P 61.00 2.00 0.46 59.97 1.03 208.1 334 -42.2 42.2
COOL e S 83.00 0.20 0.65 83.35 -0.35 208.1 334 -40.3 40.3
COOL i SG 86.00 0.10 1.06 86.17 -0.17 208.1 334 1.5 1.5
KLB e PG 96.50 0.50 0.56 97.74 -1.24 423.4 283 0.7 0.7
NWAO e SG 154.00 1.50 0.40 154.96 -0.96 457.1 263 0.7 0.7
BAL e SG 182.00 1.00 0.43 182.35 -0.35 556.3 291 0.5 0.5
MUN e SG 184.00 1.00 0.43 183.04 0.96 558.8 275 0.5 0.5
MRWA e S 187.50 0.50 0.48 185.29 2.21 692.5 301 -40.3 40.3
MRWA e SG 220.00 2.00 0.36 219.97 0.03 692.5 301 0.4 0.4
9 times used, S = 0.989
Deferred Data
KLB e SG 148.70 0.50 0.50 145.64 3.06 423.4 283 0.7 0.7
Velocity Ratios
COOL
COOL 1.68
0.12
Date 1993-06-07
Origin Time 1508 4.92 +- 11.84
Zone 50
Easting 730.02 +- 83.39 Longitude 119.174
Northing 7998.13 +- 489.37 Latitude -18.093
Depth 5.00 +- 630.68 N
Arrival times = 6 S.D. = 0.280 Seismographs = 4
Nearest recorder = 346.6 km Gap = 306.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
284 km N ( 9 deg) of RP02
WESTERN AUSTRALIA
383 km NE ( 43 deg) of Dampier
252 km N ( 14 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 3.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MBL i P 52.70 0.30 0.90 52.94 -0.24 346.6 168 -42.2 42.2
MBL e S 88.70 0.50 0.51 88.71 -0.01 346.6 168 -40.3 40.3
MEEK e P 126.00 0.30 0.57 125.70 0.30 948.0 183 -42.2 42.2
WARB e P 155.00 1.00 0.44 154.52 0.48 1186.4 140 -42.2 42.2
MRWA e P 165.00 0.50 0.51 165.04 -0.04 1273.6 194 -42.2 42.2
MRWA e S 284.00 0.50 0.46 283.87 0.13 1273.6 194 -40.3 40.3
6 times used, S = 0.280
Deferred Data
MEEK e S 217.00 0.50 0.46 215.39 1.61 948.0 183 -40.3 40.3
WARB e S 270.00 1.00 0.40 265.56 4.44 1186.4 140 -40.3 40.3
Velocity Ratios
MBL MRWA
MBL 1.75 1.74
0.02 0.02
MRWA 1.74 1.74
0.02 0.01
Date 1993-06-08
Origin Time 0436 57.50 +- 2.45
Zone 49
Easting 540.06 +- 92.35 Longitude 111.422
Northing 6498.45 +- 24.62 Latitude -31.648
Depth 5.00 +- 115.24 N
Arrival times = 15 S.D. = 0.751 Seismographs = 9
Nearest recorder = 454.9 km Gap = 291.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
449 km W (270 deg) of PIG4
421 km W (273 deg) of PERTH
Place names undefined for this area
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MUN i-P 118.70 0.10 1.10 118.62 0.08 454.9 95 -42.2 42.2
MUN e S 163.00 0.30 0.55 164.09 -1.09 454.9 95 -40.3 40.3
MRWA e P 125.50 0.20 0.66 125.97 -0.47 515.6 59 -42.2 42.2
MRWA e S 178.00 0.30 0.55 176.89 1.11 515.6 59 -40.3 40.3
BAL i-P 126.60 0.10 1.08 126.19 0.41 517.5 78 -42.2 42.2
BAL e S 179.00 0.30 0.55 177.28 1.72 517.5 78 -40.3 40.3
NWAO e P 131.50 0.50 0.54 132.05 -0.55 566.0 106 -42.2 42.2
NWAO e S 187.60 0.50 0.49 187.48 0.12 566.0 106 -40.3 40.3
KLB i-P 136.60 0.10 1.07 136.43 0.17 602.1 91 -42.2 42.2
KLB e S 195.00 0.30 0.54 195.10 -0.10 602.1 91 -40.3 40.3
MEEK e S 256.30 0.30 0.52 256.76 -0.46 894.8 53 -40.3 40.3
COOL e P 175.50 1.00 0.45 176.45 -0.95 932.9 87 -42.2 42.2
COOL e S 264.00 0.50 0.47 264.77 -0.77 932.9 87 -40.3 40.3
MBL e S 369.00 1.00 0.40 370.79 -1.79 1436.8 37 -40.3 40.3
FORT e S 405.00 1.00 0.40 405.94 -0.94 1603.7 90 -40.3 40.3
15 times used, S = 0.751
Deferred Data
MEEK e P 175.50 0.10 0.72 171.84 3.66 894.8 53 -42.2 42.2
MBL e P 234.50 0.50 0.51 237.34 -2.84 1436.8 37 -42.2 42.2
FORT e P 254.50 0.50 0.51 257.53 -3.03 1603.7 90 -42.2 42.2
Velocity Ratios
MUN MRWA BAL NWAO KLB COOL
MUN 1.72 2.21 2.03 1.92 1.79 1.78
0.01 0.19 0.13 0.16 0.05 0.05
MRWA 2.21 1.77 0.00 0.00 1.53 1.72
0.19 0.01 0.00 0.00 0.10 0.06
BAL 2.03 0.00 1.76 0.00 1.60 1.74
0.13 0.00 0.01 0.00 0.09 0.06
NWAO 1.92 0.00 0.00 1.76 0.00 1.74
0.16 0.00 0.00 0.02 0.00 0.08
KLB 1.79 1.53 1.60 0.00 1.74 1.77
0.05 0.10 0.09 0.00 0.01 0.07
COOL 1.78 1.72 1.74 1.74 1.77 1.75
0.05 0.06 0.06 0.08 0.07 0.02
Date 1993-06-10
Origin Time 0336 27.57 +- 5.06
Zone 51
Easting 434.04 +- 8.95 Longitude 122.298
Northing 6408.56 +- 15.99 Latitude -32.458
Depth 5.00 +- 36.37 N
Arrival times = 12 S.D. = 0.695 Seismographs = 10
Nearest recorder = 206.0 km Gap = 170.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
126 km S (162 deg) of KMBL
WESTERN AUSTRALIA
610 km E ( 97 deg) of PERTH
57 km SE (121 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 3.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
COOL e P 59.50 0.30 0.66 58.62 0.88 206.0 327 -42.2 42.2
KLB e P 86.30 0.30 0.62 86.85 -0.55 439.6 281 -42.2 42.2
NWAO e P 91.50 0.30 0.61 91.51 -0.01 478.2 262 -42.2 42.2
RKG e P 100.00 0.30 0.61 99.56 0.44 544.7 242 -42.2 42.2
RKG e S 154.00 0.50 0.49 153.08 0.92 544.7 242 -40.3 40.3
BAL e S 159.00 1.00 0.43 158.40 0.60 569.9 289 -40.3 40.3
FORT e S 160.00 0.10 0.67 159.83 0.17 576.8 72 -40.3 40.3
MUN e P 102.50 0.30 0.60 103.50 -1.00 577.3 273 -42.2 42.2
MRWA e P 117.50 0.30 0.59 118.67 -1.17 702.8 299 -42.2 42.2
MEEK e P 123.00 0.30 0.59 122.91 0.09 737.6 330 -42.2 42.2
MEEK e S 194.00 1.00 0.42 193.73 0.27 737.6 330 -40.3 40.3
MBL e P 188.00 1.00 0.44 187.94 0.06 1275.7 348 -42.2 42.2
12 times used, S = 0.695
Deferred Data
COOL e S 84.00 0.50 0.54 81.81 2.19 206.0 327 -40.3 40.3
KLB e S 132.00 0.50 0.50 130.97 1.03 439.6 281 -40.3 40.3
NWAO e S 143.00 2.00 0.38 139.08 3.92 478.2 262 -40.3 40.3
BAL e P 101.00 2.00 0.41 102.61 -1.61 569.9 289 -42.2 42.2
MUN e S 163.00 0.50 0.49 159.94 3.06 577.3 273 -40.3 40.3
MRWA e S 188.50 1.00 0.42 186.37 2.13 702.8 299 -40.3 40.3
MBL e S 305.50 1.00 0.40 306.96 -1.46 1275.7 348 -40.3 40.3
Velocity Ratios
RKG MEEK
RKG 1.75 1.74
0.01 0.11
MEEK 1.74 1.74
0.11 0.02
Date 1993-06-10
Origin Time 0343 52.51 +- 0.80
Zone 50
Easting 505.36 +- 3.81 Longitude 117.057
Northing 6493.33 +- 3.95 Latitude -31.695
Depth 5.00 +- 14.92 N
Arrival times = 9 S.D. = 0.352 Seismographs = 5
Nearest recorder = 67.7 km Gap = 95.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
2 km N (355 deg) of ME3
WESTERN AUSTRALIA
118 km E ( 76 deg) of PERTH
8 km SE (149 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
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 63.90 0.10 0.91 63.59 0.31 67.7 80 4.5 4.5
KLB e S 71.00 0.50 0.59 71.27 -0.27 67.7 80 4.5 4.5
MUN e P 66.70 0.20 0.78 66.60 0.10 86.2 248 3.5 3.5
MUN e S 76.50 0.30 0.65 76.36 0.14 86.2 248 3.5 3.5
BAL e P 73.00 0.30 0.69 72.83 0.17 125.2 344 -30.8 30.8
BAL e S 87.30 0.30 0.63 87.12 0.18 125.2 344 2.4 2.4
NWAO e P 74.30 0.30 0.69 74.55 -0.25 137.5 173 -30.8 30.8
NWAO e S 90.40 0.30 0.62 90.53 -0.13 137.5 173 2.2 2.2
MRWA e S 124.00 0.50 0.52 124.99 -0.99 292.8 339 -40.3 40.3
9 times used, S = 0.352
Velocity Ratios
KLB MUN BAL NWAO
KLB 1.62 0.00 1.79 1.87
0.06 0.00 0.17 0.15
MUN 0.00 1.69 0.00 0.00
0.00 0.05 0.00 0.00
BAL 1.79 0.00 1.70 0.00
0.17 0.00 0.04 0.00
NWAO 1.87 0.00 0.00 1.74
0.15 0.00 0.00 0.04
Date 1993-06-11
Origin Time 1053 1.08 +- 0.63
Zone 50
Easting 518.40 +- 5.50 Longitude 117.195
Northing 6444.34 +- 4.09 Latitude -32.137
Depth 1.88 +- 12.50
Arrival times = 10 S.D. = 0.324 Seismographs = 6
Nearest recorder = 80.7 km Gap = 136.2 deg Accuracy = B
Effects Code = F Imax = 0 Fault =
16 km SW (205 deg) of QUA
WESTERN AUSTRALIA
129 km E (100 deg) of PERTH
25 km E ( 94 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 2.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 14.20 0.20 0.78 14.25 -0.05 80.7 41 1.6 1.6
KLB e S 23.40 0.30 0.65 23.38 0.02 80.7 41 1.6 1.6
NWAO i+P 15.30 0.20 1.11 15.38 -0.08 87.6 177 1.4 1.4
NWAO e S 25.50 0.50 0.58 25.29 0.21 87.6 177 1.4 1.4
MUN e P 16.10 0.10 0.89 16.55 -0.45 94.8 280 1.3 1.3
MUN e S 27.80 0.20 0.69 27.28 0.52 94.8 280 1.3 1.3
BAL e P 29.00 0.20 0.73 28.76 0.24 175.9 344 -30.8 30.8
BAL e S 49.00 0.30 0.61 49.50 -0.50 175.9 344 -40.3 40.3
MRWA e P 49.00 0.20 0.69 49.05 -0.05 343.3 340 -42.2 42.2
MEEK i P 83.50 0.50 0.77 83.11 0.39 624.7 13 -42.2 42.2
10 times used, S = 0.324
Deferred Data
RKG i P 42.40 0.10 1.15 40.22 2.18 270.3 183 -42.2 42.2
RKG e S 73.00 0.30 0.58 69.37 3.63 270.3 183 -40.3 40.3
RKG i S2 73.00 0.30 0.41 73.41 -0.41 270.3 183 -23.9 23.9
MRWA e S 85.50 0.50 0.51 84.75 0.75 343.3 340 -40.3 40.3
COOL e P 54.00 0.50 0.56 55.96 -1.96 400.2 70 -42.2 42.2
COOL e S 94.00 0.50 0.51 96.77 -2.77 400.2 70 -40.3 40.3
MEEK e S 142.00 1.00 0.42 144.04 -2.04 624.7 13 -40.3 40.3
Velocity Ratios
KLB NWAO MUN BAL
KLB 1.70 0.00 0.00 1.73
0.05 0.00 0.00 0.09
NWAO 0.00 1.72 0.00 1.72
0.00 0.06 0.00 0.11
MUN 0.00 0.00 1.78 1.64
0.00 0.00 0.03 0.08
BAL 1.73 1.72 1.64 1.72
0.09 0.11 0.08 0.02
Date 1993-06-14
Origin Time 1603 3.75 +- 0.00
Zone 50
Easting 468.40 +- 0.00 Longitude 116.652
Northing 6076.74 +- 0.00 Latitude -35.452
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 0.226 Seismographs = 3
Nearest recorder = 103.2 km Gap = 335.3 deg Accuracy = C
Effects Code = Imax = 0 Fault =
103 km S (198 deg) of RKG
WESTERN AUSTRALIA
395 km S (169 deg) of PERTH
122 km SW (245 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
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
RKG i-P 20.60 0.10 1.26 20.60 -0.00 103.2 18 2.9 2.9
RKG i S 32.40 0.20 0.98 32.29 0.11 103.2 18 2.9 2.9
NWAO e SG 82.00 0.50 0.52 82.53 -0.53 285.1 10 1.1 1.1
MUN e SG 111.00 1.00 0.44 110.77 0.23 387.4 353 0.8 0.8
4 times used, S = 0.226
Deferred Data
KLB e SG 120.00 2.00 0.38 125.36 -5.36 440.2 13 0.7 0.7
Velocity Ratios
RKG
RKG 1.70
0.02
Date 1993-06-15
Origin Time 1930 54.93 +- 6.62
Zone 51
Easting 338.73 +- 39.40 Longitude 121.311
Northing 6569.46 +- 54.17 Latitude -30.997
Depth 5.00 +- 31.02 N
Arrival times = 6 S.D. = 0.244 Seismographs = 4
Nearest recorder = 20.3 km Gap = 307.3 deg Accuracy = C
Effects Code = Imax = 0 Fault =
13 km SE (122 deg) of KLFM
WESTERN AUSTRALIA
530 km E ( 80 deg) of PERTH
31 km SW (209 deg) of KALGOORLIE
16 km E (109 deg) of Coolgardie
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 ML 2.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
COOL i-P 58.30 0.10 1.43 58.36 -0.06 20.3 308 15.2 15.2
COOL e S 60.80 0.10 0.90 60.74 0.06 20.3 308 15.2 15.2
BAL e SG 177.00 0.30 0.56 177.44 -0.44 443.4 274 0.7 0.7
MUN e S 171.00 1.00 0.43 170.55 0.45 497.7 255 -40.3 40.3
MRWA e P 127.50 0.50 0.55 127.55 -0.05 550.0 289 -42.2 42.2
MRWA e S 182.00 0.50 0.49 181.55 0.45 550.0 289 -40.3 40.3
6 times used, S = 0.244
Deferred Data
KLB e P 108.00 1.00 0.50 102.74 5.26 344.8 257 -42.2 42.2
KLB e S 148.00 1.00 0.45 138.36 9.64 344.8 257 -40.3 40.3
BAL w P 125.00 2.00 0.43 114.67 10.33 443.4 274 -42.2 42.2
BAL w S 166.00 2.00 0.39 159.12 6.88 443.4 274 -40.3 40.3
MUN e SG 184.00 0.50 0.50 192.43 -8.43 497.7 255 0.6 0.6
Velocity Ratios
COOL MRWA
COOL 1.74 1.75
0.08 0.02
MRWA 1.75 1.75
0.02 0.02
Date 1993-06-15
Origin Time 2114 1.20 +- 0.66
Zone 50
Easting 526.08 +- 4.11 Longitude 117.276
Northing 6460.91 +- 3.18 Latitude -31.987
Depth 1.87 +- 25.62
Arrival times = 8 S.D. = 0.204 Seismographs = 4
Nearest recorder = 63.4 km Gap = 136.0 deg Accuracy = B
Effects Code = Imax = 0 Fault =
0 km NE ( 62 deg) of QUW
WESTERN AUSTRALIA
135 km E ( 92 deg) of PERTH
36 km NE ( 66 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 1.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 11.50 0.20 0.80 11.55 -0.05 63.4 46 2.0 2.0
KLB e S 18.80 0.20 0.72 18.73 0.07 63.4 46 2.0 2.0
MUN e P 17.40 0.10 0.88 17.66 -0.26 100.9 270 1.2 1.2
MUN e S 29.30 0.20 0.69 29.07 0.23 100.9 270 1.2 1.2
NWAO e P 18.00 0.30 0.71 18.20 -0.20 104.2 182 1.2 1.2
NWAO e S 30.30 0.30 0.64 29.99 0.31 104.2 182 1.2 1.2
BAL e P 27.00 0.30 0.68 26.98 0.02 162.3 340 -30.8 30.8
BAL e S 46.20 0.30 0.61 46.05 0.15 162.3 340 0.8 0.8
8 times used, S = 0.204
Deferred Data
QUW S-P 5.00 5.00 0.77 0.25 4.75 0.5 242 0.0 0.0
Velocity Ratios
KLB MUN NWAO BAL
KLB 1.71 1.78 0.00 1.77
0.05 0.17 0.00 0.09
MUN 1.78 1.73 0.00 1.76
0.17 0.02 0.00 0.13
NWAO 0.00 0.00 1.73 1.77
0.00 0.00 0.05 0.20
BAL 1.77 1.76 1.77 1.74
0.09 0.13 0.20 0.03
Date 1993-06-18 Event type = BL
Origin Time 0934 8.16 +- 10.38
Zone 51
Easting 418.02 +- 28.88 Longitude 122.157
Northing 6775.27 +- 27.66 Latitude -29.148
Depth 0.00 +- 31.52 G
Arrival times = 7 S.D. = 0.606 Seismographs = 4
Nearest recorder = 215.6 km Gap = 298.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
170 km N ( 19 deg) of KLKB
WESTERN AUSTRALIA
680 km NE ( 64 deg) of PERTH
190 km N ( 21 deg) of KALGOORLIE
43 km S (166 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 -10.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
COOL e P 40.90 0.20 0.72 40.92 -0.02 215.6 206 -42.2 42.2
COOL e S 65.60 0.30 0.60 65.32 0.28 215.6 206 -40.3 40.3
KLB e SG 147.00 1.00 0.43 146.93 0.07 502.3 236 0.0 0.0
BAL e S 135.00 1.00 0.43 135.98 -0.98 551.4 251 -40.3 40.3
BAL e SG 160.00 1.00 0.43 160.49 -0.49 551.4 251 0.0 0.0
MRWA e P 87.00 0.50 0.54 87.41 -0.41 600.3 267 -42.2 42.2
MRWA e S 147.30 0.30 0.54 146.27 1.03 600.3 267 -40.3 40.3
7 times used, S = 0.606
Velocity Ratios
COOL MRWA
COOL 1.75 1.77
0.02 0.04
MRWA 1.77 1.76
0.04 0.02
Date 1993-06-18
Origin Time 1026 3.16 +- 1.06
Zone 50
Easting 511.73 +- 4.12 Longitude 117.122
Northing 6623.97 +- 4.54 Latitude -30.516
Depth 2.65 +- 8.77
Arrival times = 8 S.D. = 0.141 Seismographs = 5
Nearest recorder = 41.1 km Gap = 190.5 deg Accuracy = A
Effects Code = Imax = 0 Fault =
0 km N ( 6 deg) of BK5
WESTERN AUSTRALIA
200 km NE ( 38 deg) of PERTH
5 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 2.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BAL i-P 9.80 0.10 1.36 9.88 -0.08 41.1 255 4.1 4.1
BAL i S 14.60 0.10 1.22 14.54 0.06 41.1 255 4.1 4.1
KLB e P 25.00 0.20 0.75 24.88 0.12 133.8 153 -30.8 30.8
KLB e S 40.00 0.30 0.62 40.13 -0.13 133.8 153 1.3 1.3
MRWA i-P 31.50 0.10 1.20 31.35 0.15 180.4 322 -42.2 42.2
MRWA i S 52.20 0.20 0.94 52.39 -0.19 180.4 322 -40.3 40.3
MUN e S 53.20 0.50 0.55 53.13 0.07 183.9 207 -40.3 40.3
NWAO e SMS 75.20 0.30 0.32 75.46 -0.26 267.3 177 -25.9 25.9
8 times used, S = 0.141
Deferred Data
MUN e P 32.70 0.20 0.73 31.77 0.93 183.9 207 -42.2 42.2
COOL e S 95.00 1.00 0.44 96.06 -1.06 387.6 97 -40.3 40.3
COOL e SG 109.00 1.00 0.44 110.24 -1.24 387.6 97 0.5 0.5
Velocity Ratios
BAL KLB MRWA
BAL 1.72 1.67 1.73
0.04 0.06 0.03
KLB 1.67 1.69 1.88
0.06 0.03 0.17
MRWA 1.73 1.88 1.73
0.03 0.17 0.01
Date 1993-06-18
Origin Time 1644 1.89 +- 1.21
Zone 50
Easting 511.70 +- 6.62 Longitude 117.122
Northing 6625.20 +- 6.80 Latitude -30.505
Depth 0.41 +- 14.27
Arrival times = 7 S.D. = 0.186 Seismographs = 4
Nearest recorder = 41.4 km Gap = 190.9 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km N ( 0 deg) of BK5
WESTERN AUSTRALIA
201 km NE ( 37 deg) of PERTH
5 km W (289 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 1.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BAL i-P 8.50 0.10 1.35 8.64 -0.14 41.4 254 1.0 1.0
BAL i S 13.40 0.10 1.22 13.32 0.08 41.4 254 1.0 1.0
KLB e P 23.70 0.30 0.69 23.90 -0.20 134.9 153 0.3 0.3
KLB e S 39.30 0.30 0.62 39.16 0.14 134.9 153 0.3 0.3
MRWA i+P 30.40 0.10 1.20 30.18 0.22 179.4 322 -30.8 30.8
MRWA i S 51.10 0.20 0.94 51.31 -0.21 179.4 322 -40.3 40.3
MUN e S 52.60 0.50 0.55 52.48 0.12 185.0 207 -40.3 40.3
7 times used, S = 0.186
Deferred Data
MUN e P 31.60 0.30 0.67 30.87 0.73 185.0 207 -42.2 42.2
Velocity Ratios
BAL KLB MRWA
BAL 1.74 1.70 1.72
0.04 0.07 0.03
KLB 1.70 1.72 1.76
0.07 0.04 0.19
MRWA 1.72 1.76 1.73
0.03 0.19 0.01
Date 1993-06-18
Origin Time 2056 7.58 +- 8.66
Zone 49
Easting 439.64 +- 369.25 Longitude 110.373
Northing 6656.42 +- 44.18 Latitude -30.222
Depth 5.00 +- 476.23 N
Arrival times = 9 S.D. = 0.753 Seismographs = 5
Nearest recorder = 555.5 km Gap = 323.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
461 km SW (232 deg) of KBAR
557 km W (289 deg) of PERTH
Place names undefined for this area
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MRWA e P 80.50 0.50 0.55 80.88 -0.38 555.5 79 -42.2 42.2
MRWA e S 134.60 0.30 0.54 135.38 -0.78 555.5 79 -40.3 40.3
MUN e P 84.60 0.30 0.60 85.04 -0.44 590.0 110 -42.2 42.2
MUN e S 142.00 1.00 0.42 142.62 -0.62 590.0 110 -40.3 40.3
BAL e P 88.00 0.20 0.65 87.51 0.49 610.4 95 -42.2 42.2
BAL e S 148.20 0.30 0.54 146.93 1.27 610.4 95 -40.3 40.3
NWAO e P 100.80 0.30 0.59 100.44 0.36 717.4 116 -42.2 42.2
NWAO e S 168.00 2.00 0.36 169.44 -1.44 717.4 116 -40.3 40.3
KLB e S 171.00 0.30 0.53 170.63 0.37 723.0 104 -40.3 40.3
9 times used, S = 0.753
Deferred Data
KLB e P 104.40 0.30 0.59 101.13 3.27 723.0 104 -42.2 42.2
Velocity Ratios
MRWA MUN BAL NWAO
MRWA 1.74 0.00 0.00 1.65
0.02 0.00 0.00 0.19
MUN 0.00 1.75 0.00 0.00
0.00 0.02 0.00 0.00
BAL 0.00 0.00 1.75 0.00
0.00 0.00 0.01 0.00
NWAO 1.65 0.00 0.00 1.72
0.19 0.00 0.00 0.03
Date 1993-06-20
Origin Time 1940 28.05 +- 3.53
Zone 50
Easting 508.86 +- 16.61 Longitude 117.092
Northing 6624.66 +- 15.25 Latitude -30.510
Depth 5.00 +- 26.31 N
Arrival times = 7 S.D. = 0.466 Seismographs = 4
Nearest recorder = 38.5 km Gap = 188.9 deg Accuracy = B
Effects Code = Imax = 0 Fault =
0 km NE ( 47 deg) of BK6
WESTERN AUSTRALIA
199 km NE ( 37 deg) of PERTH
8 km W (278 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 2.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BAL i P 34.10 0.10 1.36 34.39 -0.29 38.5 253 7.8 7.8
BAL i S 38.70 0.10 1.23 38.78 -0.08 38.5 253 7.8 7.8
KLB i P 49.40 0.10 1.23 49.84 -0.44 135.7 152 -30.8 30.8
MRWA i P 55.90 0.10 1.20 55.70 0.20 178.1 323 -42.2 42.2
MRWA e S 76.00 0.50 0.55 76.38 -0.38 178.1 323 -40.3 40.3
MUN i P 57.10 0.10 1.20 56.31 0.79 183.2 207 -42.2 42.2
MUN e S 77.50 0.30 0.60 77.44 0.06 183.2 207 -40.3 40.3
7 times used, S = 0.466
Deferred Data
KLB e S 64.30 0.20 0.67 65.57 -1.27 135.7 152 2.2 2.2
Velocity Ratios
BAL MRWA MUN
BAL 1.76 1.71 1.69
0.05 0.04 0.03
MRWA 1.71 1.72 0.00
0.04 0.02 0.00
MUN 1.69 0.00 1.70
0.03 0.00 0.02
Date 1993-06-22
Origin Time 0900 14.06 +- 60.90
Zone 51
Easting 256.99 +- 192.63 Longitude 120.541
Northing 6960.90 +- 239.31 Latitude -27.454
Depth 5.00 +- 257.50 N
Arrival times = 5 S.D. = 0.468 Seismographs = 3
Nearest recorder = 211.7 km Gap = 166.9 deg Accuracy = D
Effects Code = Imax = 0 Fault =
211 km SE (115 deg) of MEEK
WESTERN AUSTRALIA
674 km NE ( 44 deg) of PERTH
176 km NW (334 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 i P 45.50 0.30 0.95 45.80 -0.30 211.7 294 -42.2 42.2
MEEK e S 70.00 0.50 0.54 69.50 0.50 211.7 294 -40.3 40.3
MRWA e P 80.00 0.50 0.55 79.16 0.84 487.8 245 -42.2 42.2
MRWA e S 127.00 0.50 0.50 127.59 -0.59 487.8 245 -40.3 40.3
WARB S-P 60.50 0.10 1.06 60.52 -0.02 622.7 78 0.0 0.0
5 times used, S = 0.468
Velocity Ratios
MEEK MRWA
MEEK 1.78 1.65
0.03 0.07
MRWA 1.65 1.71
0.07 0.02
Date 1993-06-26
Origin Time 1025 9.78 +- 42.94
Zone 50
Easting 606.71 +- 335.23 Longitude 118.146
Northing 6317.16 +- 217.19 Latitude -33.279
Depth 5.00 +- 419.06 N
Arrival times = 5 S.D. = 0.563 Seismographs = 3
Nearest recorder = 93.7 km Gap = 267.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
50 km NW (301 deg) of PIN
WESTERN AUSTRALIA
261 km SE (125 deg) of PERTH
193 km N ( 8 deg) of ALBANY
36 km SW (237 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 1.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NWAO e P 24.40 0.20 0.77 25.09 -0.69 93.7 294 3.2 3.2
NWAO e S 35.90 0.40 0.61 35.70 0.20 93.7 294 3.2 3.2
RKG i P 37.20 0.10 1.20 37.36 -0.16 177.5 215 -42.2 42.2
RKG e S 58.30 0.10 0.76 57.98 0.32 177.5 215 -40.3 40.3
MUN e P 45.00 0.50 0.59 43.95 1.05 232.0 308 -42.2 42.2
5 times used, S = 0.563
Deferred Data
MUN e S 72.00 1.00 0.46 69.45 2.55 232.0 308 -40.3 40.3
Velocity Ratios
NWAO RKG
NWAO 1.79 1.75
0.05 0.08
RKG 1.75 1.77
0.08 0.01
Date 1993-06-27
Origin Time 0902 12.63 +- 16.99
Zone 51
Easting 272.87 +-1203.93 Longitude 120.703
Northing 6968.51 +- 179.54 Latitude -27.388
Depth 5.00 +-1365.28 N
Arrival times = 6 S.D. = 0.886 Seismographs = 3
Nearest recorder = 223.6 km Gap = 294.9 deg Accuracy = D
Effects Code = Imax = 0 Fault =
223 km E (112 deg) of MEEK
WESTERN AUSTRALIA
690 km NE ( 44 deg) of PERTH
176 km N (339 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 S-P 24.80 0.10 1.17 24.77 0.03 223.6 291 0.0 0.0
MEEK i P 46.00 0.30 0.94 45.81 0.19 223.6 291 -42.2 42.2
MEEK e S 70.80 0.20 0.64 70.58 0.22 223.6 291 -40.3 40.3
MRWA i P 79.30 0.50 0.79 79.87 -0.57 505.4 245 -42.2 42.2
MRWA e S 128.00 0.50 0.50 129.87 -1.87 505.4 245 -40.3 40.3
BAL e S 137.00 0.50 0.49 134.85 2.15 529.1 226 -40.3 40.3
6 times used, S = 0.886
Velocity Ratios
MEEK MRWA
MEEK 1.74 1.72
0.02 0.06
MRWA 1.72 1.73
0.06 0.02
Date 1993-06-29
Origin Time 0541 33.11 +- 27.96
Zone 51
Easting 287.97 +- 737.41 Longitude 120.580
Northing 5774.16 +-1150.52 Latitude -38.155
Depth 5.00 +-1750.35 N
Arrival times = 8 S.D. = 0.476 Seismographs = 4
Nearest recorder = 511.5 km Gap = 340.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
509 km S (174 deg) of RAVT
812 km SE (149 deg) of PERTH
Place names undefined for this area
Record Dur Sync Unc Resp Seismometer Recorder Pol
NWAO -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
RKG e P 101.00 0.30 0.61 101.08 -0.08 511.5 320 -42.2 42.2
RKG e S 151.50 0.30 0.55 151.64 -0.14 511.5 320 -40.3 40.3
NWAO e P 119.00 0.50 0.54 118.50 0.50 655.6 331 -42.2 42.2
NWAO e S 182.90 0.50 0.48 181.96 0.94 655.6 331 -40.3 40.3
KLB e P 133.00 1.00 0.46 132.74 0.26 773.3 339 -42.2 42.2
KLB e S 206.50 1.00 0.41 206.75 -0.25 773.3 339 -40.3 40.3
MRWA e P 169.50 0.50 0.51 169.91 -0.41 1080.7 335 -42.2 42.2
MRWA e S 271.00 0.50 0.46 271.46 -0.46 1080.7 335 -40.3 40.3
8 times used, S = 0.476
Deferred Data
BAL e S 234.00 1.00 0.41 235.82 -1.82 911.4 335 -40.3 40.3
MEEK e S 313.00 0.50 0.39 315.93 -2.93 1291.7 351 -40.3 40.3
Velocity Ratios
RKG NWAO KLB MRWA
RKG 1.74 1.74 1.72 1.74
0.01 0.13 0.12 0.03
NWAO 1.74 1.74 0.00 1.74
0.13 0.02 0.00 0.06
KLB 1.72 0.00 1.74 1.77
0.12 0.00 0.03 0.12
MRWA 1.74 1.74 1.77 1.74
0.03 0.06 0.12 0.01