Data Report
Bulletin / 1997-03
Contributed by CUPWA
Date 1997-03-03
Origin Time 0305 47.49 +- 8.26
Zone 52
Easting 286.93 +- 336.09 Longitude 127.003
Northing 8164.01 +- 49.28 Latitude -16.597
Depth 5.00 +- 355.54 N
Arrival times = 6 S.D. = 0.612 Seismographs = 3
Nearest recorder = 210.6 km Gap = 285.0 deg Accuracy = D
Effects Code = Imax = 0 Fault =
152 km W (274 deg) of ARG
WESTERN AUSTRALIA
194 km N (338 deg) of HALLS CREEK
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
KNA 0.00 Seismograph details unknown
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
KNA S-P 23.30 0.10 1.18 23.58 -0.28 210.6 63 0.0 0.0
KNA e P 78.70 0.10 0.83 79.06 -0.36 210.6 63 -42.2 42.2
KNA e S 102.00 0.10 0.74 102.64 -0.64 210.6 63 -40.3 40.3
WB2 e P 156.90 0.10 0.72 157.77 -0.87 861.3 116 -42.2 42.2
ASPA e P 183.40 0.20 0.61 182.50 0.90 1065.6 138 -42.2 42.2
ASPA e S 282.80 0.20 0.55 282.72 0.08 1065.6 138 -40.3 40.3
6 times used, S = 0.612
Deferred Data
KAKA e P 133.70 0.10 0.73 141.43 -7.73 726.4 54 -42.2 42.2
KAKA e S 202.50 0.20 0.57 211.22 -8.72 726.4 54 -40.3 40.3
WB2 e S 232.40 0.20 0.56 239.68 -7.28 861.3 116 -40.3 40.3
Velocity Ratios
KNA ASPA
KNA 1.75 1.73
0.01 0.01
ASPA 1.73 1.73
0.01 0.00
Date 1997-03-03
Origin Time 1953 47.59 +- 8.50
Zone 53
Easting 461.88 +- 46.88 Longitude 134.615
Northing 6975.54 +- 35.11 Latitude -27.343
Depth 5.00 +- 71.99 N
Arrival times = 10 S.D. = 1.900 Seismographs = 5
Nearest recorder = 411.6 km Gap = 239.2 deg Accuracy = D
Effects Code = Imax = 0 Fault =
295 km N (348 deg) of HWK
SOUTH AUSTRALIA
923 km NW (335 deg) of ADELAIDE
85 km W (285 deg) of OODNADATTA
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
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
ASPA e P 102.90 0.10 0.78 103.50 -0.60 411.6 349 -42.2 42.2
ASPA e S 146.20 0.10 0.70 145.12 1.08 411.6 349 -40.3 40.3
FORT e P 145.60 0.10 0.73 143.82 1.78 745.4 237 -42.2 42.2
WARB e P 151.60 0.20 0.63 151.08 0.52 805.2 277 -42.2 42.2
WARB e S 229.80 0.30 0.52 227.96 1.84 805.2 277 -40.3 40.3
WARB e SG 270.10 0.50 0.47 270.01 0.09 805.2 277 0.4 0.4
WB2 e P 151.80 0.20 0.63 152.82 -1.02 819.6 358 -42.2 42.2
WB2 e S 230.80 0.20 0.57 230.98 -0.18 819.6 358 -40.3 40.3
MRWA e P 275.00 2.00 0.38 278.90 -3.90 1862.4 259 -42.2 42.2
MRWA e S 445.00 1.00 0.40 450.50 -5.50 1862.4 259 -40.3 40.3
10 times used, S = 1.900
Deferred Data
FORT e S 220.40 0.20 0.57 215.32 5.08 745.4 237 -40.3 40.3
Velocity Ratios
ASPA WARB WB2 MRWA
ASPA 1.78 1.72 1.73 1.74
0.01 0.02 0.02 0.03
WARB 1.72 1.75 0.00 1.74
0.02 0.01 0.00 0.04
WB2 1.73 0.00 1.76 1.74
0.02 0.00 0.01 0.04
MRWA 1.74 1.74 1.74 1.75
0.03 0.04 0.04 0.02
Date 1997-03-05
Origin Time 0615 16.97 +- 6.92
Zone 54
Easting 318.73 +- 22.38 Longitude 139.034
Northing 6219.57 +- 27.56 Latitude -34.149
Depth 5.00 +- 51.31 N
Arrival times = 12 S.D. = 1.688 Seismographs = 6
Nearest recorder = 547.3 km Gap = 150.4 deg Accuracy = D
Effects Code = Imax = 0 Fault =
48 km NW (324 deg) of SDN
SOUTH AUSTRALIA
95 km NE ( 25 deg) of ADELAIDE
52 km SE (132 deg) of CLARE
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
KLB 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 5.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
CRNS e S 142.00 1.00 0.43 143.02 -1.02 547.3 126 -40.3 40.3
FORT e P 159.10 0.20 0.61 156.51 2.59 1103.5 286 -42.2 42.2
FORT e S 262.50 0.30 0.51 260.09 2.41 1103.5 286 -40.3 40.3
ASPA e P 177.80 0.20 0.61 176.20 1.60 1265.9 335 -42.2 42.2
ASPA e S 294.90 0.20 0.55 294.37 0.53 1265.9 335 -40.3 40.3
WARB e P 202.20 0.20 0.61 204.07 -1.87 1496.5 303 -42.2 42.2
WARB e S 341.50 0.50 0.46 342.90 -1.40 1496.5 303 -40.3 40.3
WB2 e P 221.30 0.20 0.61 221.92 -0.62 1644.2 342 -42.2 42.2
WB2 e S 372.80 0.30 0.51 373.97 -1.17 1644.2 342 -40.3 40.3
WOOL e P 227.30 0.30 0.56 227.15 0.15 1687.5 277 -42.2 42.2
WOOL e S 382.10 0.50 0.46 383.08 -0.98 1687.5 277 -40.3 40.3
WOOL e SG 480.60 1.00 0.40 483.14 -2.54 1687.5 277 0.2 0.2
12 times used, S = 1.688
Deferred Data
KLB e P 270.00 1.00 0.44 271.07 -1.07 2049.9 272 -42.3 42.3
NWAO e P 274.00 0.50 0.51 273.36 0.64 2068.1 267 -42.4 42.4
NWAO e SN 469.20 0.50 0.30 463.63 5.57 2070.2 267 -40.3 40.3
NWAO e S 469.50 0.50 0.46 464.09 5.41 2068.1 267 -40.5 40.5
MEEK e P 279.20 0.20 0.61 285.28 -6.08 2161.2 287 -44.8 45.4
MEEK e S 473.70 0.50 0.46 487.80 -14.10 2161.2 287 -41.5 41.4
BAL e P 279.00 0.50 0.51 286.27 -7.27 2169.1 274 -45.0 45.8
BAL e S 491.00 0.50 0.46 489.98 1.02 2169.1 274 -41.6 41.5
MUN e P 283.00 0.30 0.56 287.12 -4.12 2176.1 270 -45.3 46.0
MRWA e P 292.50 0.50 0.51 297.58 -5.08 2265.8 277 -51.9 51.5
MRWA e SN 505.00 1.00 0.27 513.24 -8.24 2305.8 277 -40.3 40.3
MRWA e S 525.00 0.50 0.46 515.84 9.16 2265.8 277 -46.0 47.8
Velocity Ratios
FORT ASPA WARB WB2 WOOL
FORT 1.73 1.73 1.83 1.77 1.75
0.00 0.07 0.04 0.02 0.02
ASPA 1.73 1.73 1.91 1.79 1.76
0.07 0.00 0.06 0.03 0.03
WARB 1.83 1.91 1.75 1.64 1.62
0.04 0.06 0.00 0.08 0.07
WB2 1.77 1.79 1.64 1.74 0.00
0.02 0.03 0.08 0.00 0.00
WOOL 1.75 1.76 1.62 0.00 1.74
0.02 0.03 0.07 0.00 0.00
Date 1997-03-07
Origin Time 0814 45.66 +- 0.33
Zone 50
Easting 562.84 +- 3.25 Longitude 117.661
Northing 6519.41 +- 1.76 Latitude -31.458
Depth 5.00 +- 4.86 N
Arrival times = 11 S.D. = 0.198 Seismographs = 5
Nearest recorder = 17.5 km Gap = 180.9 deg Accuracy = B
Effects Code = Imax = 0 Fault =
2 km NE ( 27 deg) of KBS
WESTERN AUSTRALIA
180 km E ( 73 deg) of PERTH
20 km N (344 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 2.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB i P 48.60 0.10 1.44 48.64 -0.04 17.5 147 16.8 16.8
KLB e S 50.40 0.30 0.73 50.71 -0.31 17.5 147 16.8 16.8
BAL i P 66.90 0.10 1.23 66.82 0.08 131.2 315 -30.8 30.8
BAL i S 81.90 0.10 1.11 81.92 -0.02 131.2 315 2.3 2.3
MUN i P 69.10 0.20 1.06 69.34 -0.24 149.3 246 -30.8 30.8
MUN e S 86.60 0.20 0.67 86.92 -0.32 149.3 246 2.0 2.0
NWAO i+P 72.10 0.10 1.20 71.93 0.17 167.7 193 -30.8 30.8
NWAO i S 91.80 0.10 1.08 91.73 0.07 167.7 193 -23.9 23.9
NWAO e SG 92.40 0.20 0.66 92.01 0.39 167.7 193 1.8 1.8
MRWA e PMP 90.00 1.00 0.30 90.17 -0.17 295.4 326 -31.8 31.8
MRWA e S 119.00 0.50 0.52 118.68 0.32 295.4 326 -40.3 40.3
11 times used, S = 0.198
Deferred Data
MRWA e P 91.50 1.00 0.51 87.50 4.00 295.4 326 -42.2 42.2
Velocity Ratios
KLB BAL MUN NWAO
KLB 1.61 1.72 1.77 1.76
0.16 0.04 0.05 0.03
BAL 1.72 1.71 0.00 1.90
0.04 0.01 0.00 0.12
MUN 1.77 0.00 1.75 0.00
0.05 0.00 0.02 0.00
NWAO 1.76 1.90 0.00 1.75
0.03 0.12 0.00 0.01
Date 1997-03-09
Origin Time 1705 36.26 +- 0.54
Zone 50
Easting 564.62 +- 3.77 Longitude 117.680
Northing 6520.05 +- 3.75 Latitude -31.452
Depth 5.00 +- 8.64 N
Arrival times = 8 S.D. = 0.189 Seismographs = 4
Nearest recorder = 17.2 km Gap = 198.8 deg Accuracy = B
Effects Code = Imax = 0 Fault =
4 km NE ( 45 deg) of KBS
WESTERN AUSTRALIA
182 km E ( 73 deg) of PERTH
20 km N (349 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 1.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB i-P 39.20 0.10 1.45 39.20 0.00 17.2 153 17.1 17.1
KLB i S 41.10 0.10 1.30 41.23 -0.13 17.2 153 17.1 17.1
BAL i P 57.70 0.10 1.23 57.53 0.17 132.0 315 -30.8 30.8
BAL e S 72.30 0.20 0.67 72.74 -0.44 132.0 315 2.3 2.3
MUN i P 60.30 0.10 1.22 60.21 0.09 151.1 246 -30.8 30.8
MUN i S 77.90 0.10 1.09 78.04 -0.14 151.1 246 2.0 2.0
NWAO e S 82.70 0.30 0.61 82.60 0.10 168.8 194 -23.9 23.9
NWAO e SG 83.30 0.30 0.61 82.90 0.40 168.8 194 1.8 1.8
8 times used, S = 0.189
Velocity Ratios
KLB BAL MUN
KLB 1.65 1.69 1.74
0.09 0.03 0.03
BAL 1.69 1.68 0.00
0.03 0.02 0.00
MUN 1.74 0.00 1.73
0.03 0.00 0.01
Date 1997-03-12
Origin Time 0918 23.86 +- 6.09
Zone 50
Easting 571.34 +- 37.97 Longitude 117.767
Northing 6307.42 +- 33.42 Latitude -33.370
Depth 5.00 +- 34.68 N
Arrival times = 7 S.D. = 0.576 Seismographs = 4
Nearest recorder = 70.0 km Gap = 314.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
6 km NE ( 27 deg) of DBYG
WESTERN AUSTRALIA
239 km SE (132 deg) of PERTH
181 km N (357 deg) of ALBANY
7 km SE (148 deg) of Dumbleyung
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 2.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NWAO e P 34.60 0.10 0.91 35.30 -0.70 70.0 314 4.3 4.3
NWAO e S 43.50 0.10 0.82 43.24 0.26 70.0 314 4.3 4.3
KLB e P 54.00 0.10 0.83 53.82 0.18 197.1 359 -42.2 42.2
KLB e S 75.70 0.50 0.54 76.20 -0.50 197.1 359 -40.3 40.3
MUN e P 56.20 0.10 0.83 55.67 0.53 212.5 316 -42.2 42.2
MUN e S2 81.00 0.30 0.33 81.24 -0.24 212.5 316 -23.9 23.9
BAL e S2 110.00 0.50 0.29 108.96 1.04 322.2 341 -23.9 23.9
7 times used, S = 0.576
Deferred Data
MUN e S 81.00 0.30 0.60 79.42 1.58 212.5 316 -40.3 40.3
MRWA e S 155.00 0.30 0.55 137.86 17.14 490.1 339 -40.3 40.3
Velocity Ratios
NWAO KLB
NWAO 1.83 1.66
0.03 0.05
KLB 1.66 1.72
0.05 0.02
Date 1997-03-14
Origin Time 1512 41.32 +- 0.64
Zone 50
Easting 543.06 +- 5.62 Longitude 117.457
Northing 6424.05 +- 3.97 Latitude -32.319
Depth 5.00 +- 17.36 N
Arrival times = 7 S.D. = 0.191 Seismographs = 4
Nearest recorder = 70.5 km Gap = 177.7 deg Accuracy = B
Effects Code = Imax = 0 Fault =
33 km SW (233 deg) of COR1
WESTERN AUSTRALIA
300 km N (353 deg) of ALBANY
157 km E (106 deg) of PERTH
39 km W (272 deg) of Corrigin
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NWAO i P 52.80 0.10 1.30 52.86 -0.06 70.5 197 4.3 4.3
NWAO e S 61.00 0.20 0.71 60.86 0.14 70.5 197 4.3 4.3
KLB e P 55.00 0.30 0.72 55.31 -0.31 85.6 19 3.5 3.5
KLB e S 65.30 0.20 0.70 65.01 0.29 85.6 19 3.5 3.5
MUN e P 61.60 0.10 0.87 61.43 0.17 123.7 287 -30.8 30.8
MUN i S 75.50 0.10 1.11 75.53 -0.03 123.7 287 2.4 2.4
BAL e SMS 97.00 0.30 0.33 97.40 -0.40 202.8 339 -27.6 27.6
7 times used, S = 0.191
Deferred Data
BAL e S2 97.00 0.30 0.33 96.26 0.74 202.8 339 -23.9 23.9
Velocity Ratios
NWAO KLB MUN
NWAO 1.71 0.00 1.65
0.03 0.00 0.07
KLB 0.00 1.75 1.55
0.00 0.05 0.15
MUN 1.65 1.55 1.69
0.07 0.15 0.01
Date 1997-03-14
Origin Time 1801 25.06 +- 0.55
Zone 50
Easting 542.27 +- 5.30 Longitude 117.449
Northing 6423.26 +- 3.54 Latitude -32.327
Depth 5.00 +- 12.47 N
Arrival times = 9 S.D. = 0.200 Seismographs = 5
Nearest recorder = 69.5 km Gap = 177.0 deg Accuracy = B
Effects Code = Imax = 0 Fault =
34 km SW (233 deg) of COR1
WESTERN AUSTRALIA
299 km N (352 deg) of ALBANY
157 km E (106 deg) of PERTH
40 km W (270 deg) of Corrigin
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NWAO i P 36.30 0.10 1.30 36.43 -0.13 69.5 196 4.3 4.3
NWAO e S 44.60 0.10 0.82 44.32 0.28 69.5 196 4.3 4.3
KLB e P 39.20 0.20 0.78 39.21 -0.01 86.6 19 3.5 3.5
KLB e S 49.20 0.20 0.70 49.03 0.17 86.6 19 3.5 3.5
MUN i P 45.00 0.10 1.24 45.09 -0.09 123.2 288 -30.8 30.8
MUN i S 59.20 0.10 1.11 59.12 0.08 123.2 288 2.4 2.4
BAL e P 56.00 1.00 0.52 55.75 0.25 203.3 339 -42.2 42.2
BAL e SMS 80.50 0.30 0.33 81.25 -0.75 203.3 339 -27.5 27.5
MRWA e SMS 123.30 0.30 0.31 123.12 0.18 371.5 337 -24.8 24.8
9 times used, S = 0.200
Deferred Data
BAL e S 80.50 0.30 0.60 78.68 1.82 203.3 339 -40.3 40.3
Velocity Ratios
NWAO KLB MUN
NWAO 1.74 0.00 1.68
0.02 0.00 0.06
KLB 0.00 1.71 1.72
0.00 0.04 0.15
MUN 1.68 1.72 1.71
0.06 0.15 0.01
Date 1997-03-18
Origin Time 2254 28.42 +- 4.66
Zone 50
Easting 566.33 +- 31.23 Longitude 117.698
Northing 6517.92 +- 36.94 Latitude -31.472
Depth 5.00 +- 84.67 N
Arrival times = 5 S.D. = 0.125 Seismographs = 3
Nearest recorder = 14.6 km Gap = 201.1 deg Accuracy = B
Effects Code = Imax = 0 Fault =
4 km E ( 79 deg) of KBS
WESTERN AUSTRALIA
183 km E ( 74 deg) of PERTH
18 km N (353 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 2.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB i P 30.90 0.10 1.46 30.95 -0.05 14.6 156 20.0 20.0
KLB i S 32.70 0.10 1.32 32.70 -0.00 14.6 156 20.0 20.0
BAL i S 65.60 0.10 1.11 65.66 -0.06 134.7 315 2.3 2.3
MUN i P 52.70 0.10 1.22 52.48 0.22 151.9 247 -30.8 30.8
MUN i S 70.30 0.10 1.09 70.42 -0.12 151.9 247 2.0 2.0
5 times used, S = 0.125
Deferred Data
MRWA e P 77.30 0.10 0.80 70.64 6.66 298.5 326 -42.2 42.2
MRWA e S 108.00 0.10 0.72 102.11 5.89 298.5 326 -40.3 40.3
Velocity Ratios
KLB MUN
KLB 1.73 1.72
0.11 0.03
MUN 1.72 1.72
0.03 0.01
Date 1997-03-18
Origin Time 2311 22.12 +- 1.28
Zone 50
Easting 566.50 +- 11.40 Longitude 117.700
Northing 6518.08 +- 9.79 Latitude -31.470
Depth 5.00 +- 23.28 N
Arrival times = 6 S.D. = 0.202 Seismographs = 3
Nearest recorder = 14.6 km Gap = 202.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
5 km E ( 77 deg) of KBS
WESTERN AUSTRALIA
183 km E ( 74 deg) of PERTH
18 km N (354 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 1.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB i P 24.50 0.10 1.46 24.66 -0.16 14.6 157 19.9 19.9
KLB i S 26.50 0.10 1.32 26.42 0.08 14.6 157 19.9 19.9
BAL i P 44.10 0.10 1.23 43.77 0.33 134.7 315 -30.8 30.8
BAL i S 59.10 0.10 1.11 59.36 -0.26 134.7 315 2.3 2.3
MUN i P 46.20 0.10 1.22 46.21 -0.01 152.1 247 -30.8 30.8
MUN i S 64.20 0.10 1.09 64.17 0.03 152.1 247 2.0 2.0
6 times used, S = 0.202
Velocity Ratios
KLB BAL MUN
KLB 1.84 1.66 1.74
0.12 0.03 0.03
BAL 1.66 1.68 0.00
0.03 0.01 0.00
MUN 1.74 0.00 1.75
0.03 0.00 0.01
Date 1997-03-18
Origin Time 2316 4.51 +- 1.41
Zone 50
Easting 567.48 +- 9.23 Longitude 117.710
Northing 6519.06 +- 8.46 Latitude -31.461
Depth 5.00 +- 19.69 N
Arrival times = 6 S.D. = 0.162 Seismographs = 4
Nearest recorder = 15.2 km Gap = 207.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
6 km E ( 70 deg) of KBS
WESTERN AUSTRALIA
184 km E ( 73 deg) of PERTH
19 km N (357 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 1.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB i P 7.10 0.10 1.46 7.14 -0.04 15.2 162 19.2 19.2
KLB i S 9.00 0.10 1.31 8.96 0.04 15.2 162 19.2 19.2
BAL i P 26.30 0.10 1.23 26.16 0.14 134.7 314 -30.8 30.8
MUN i P 28.50 0.10 1.21 28.78 -0.28 153.4 247 -30.8 30.8
MUN i S 47.00 0.10 1.09 46.91 0.09 153.4 247 2.0 2.0
NWAO e S 51.00 0.10 0.76 50.80 0.20 168.5 195 -23.9 23.9
6 times used, S = 0.162
Deferred Data
NWAO e P 26.00 0.10 0.84 30.90 -4.90 168.5 195 -30.8 30.8
Velocity Ratios
KLB MUN
KLB 1.73 1.78
0.11 0.03
MUN 1.78 1.77
0.03 0.01
Date 1997-03-18
Origin Time 2325 27.99 +- 3.62
Zone 50
Easting 772.99 +- 12.31 Longitude 119.593
Northing 7896.34 +- 43.30 Latitude -19.007
Depth 5.00 +- 73.71 N
Arrival times = 9 S.D. = 0.400 Seismographs = 7
Nearest recorder = 687.7 km Gap = 266.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
201 km NE ( 27 deg) of RP02
WESTERN AUSTRALIA
352 km NE ( 59 deg) of Dampier
178 km NE ( 37 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 3.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
GIRL i P 117.50 0.10 1.05 117.25 0.25 687.7 233 -42.2 42.2
MEEK i P 137.30 0.10 1.03 137.06 0.24 851.2 186 -42.2 42.2
WARB i P 164.90 0.10 1.00 164.77 0.13 1080.4 139 -42.2 42.2
MRWA i P 177.00 0.10 1.00 177.79 -0.79 1188.2 197 -42.2 42.2
BAL e P 193.50 0.10 0.70 193.40 0.10 1317.3 192 -42.2 42.2
BAL e S 316.00 0.10 0.63 316.15 -0.15 1317.3 192 -40.3 40.3
KLB e P 204.00 0.10 0.70 204.15 -0.15 1406.2 187 -42.2 42.2
KLB e S 335.00 0.10 0.63 334.87 0.13 1406.2 187 -40.3 40.3
MUN e S 350.00 0.10 0.63 349.60 0.40 1476.2 192 -40.3 40.3
9 times used, S = 0.400
Deferred Data
GIRL e S 179.80 0.10 0.66 183.58 -3.78 687.7 233 -40.3 40.3
MEEK e S 220.50 0.10 0.65 218.06 2.44 851.2 186 -40.3 40.3
WARB e S 269.50 0.10 0.63 266.30 3.20 1080.4 139 -40.3 40.3
MRWA e S 287.50 0.10 0.63 288.97 -1.47 1188.2 197 -40.3 40.3
Velocity Ratios
BAL KLB
BAL 1.74 1.81
0.00 0.05
KLB 1.81 1.74
0.05 0.00
Date 1997-03-18
Origin Time 2342 47.14 +- 0.47
Zone 50
Easting 565.51 +- 3.73 Longitude 117.690
Northing 6518.25 +- 3.66 Latitude -31.469
Depth 5.00 +- 7.88 N
Arrival times = 7 S.D. = 0.131 Seismographs = 4
Nearest recorder = 15.2 km Gap = 198.7 deg Accuracy = B
Effects Code = Imax = 0 Fault =
4 km E ( 72 deg) of KBS
WESTERN AUSTRALIA
182 km E ( 73 deg) of PERTH
18 km N (351 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 1.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB i P 49.70 0.10 1.46 49.76 -0.06 15.2 154 19.2 19.2
KLB i S 51.60 0.10 1.31 51.59 0.01 15.2 154 19.2 19.2
BAL i P 68.90 0.10 1.23 68.67 0.23 133.9 315 -30.8 30.8
BAL i S 84.00 0.10 1.11 84.15 -0.15 133.9 315 2.3 2.3
MUN i P 71.00 0.10 1.22 71.11 -0.11 151.3 247 -30.8 30.8
MUN i S 89.00 0.10 1.09 88.96 0.04 151.3 247 2.0 2.0
NWAO e S 93.20 0.10 0.76 93.10 0.10 167.3 194 -23.9 23.9
7 times used, S = 0.131
Velocity Ratios
KLB BAL MUN
KLB 1.74 1.69 1.76
0.11 0.03 0.03
BAL 1.69 1.69 0.00
0.03 0.01 0.00
MUN 1.76 0.00 1.75
0.03 0.00 0.01
Date 1997-03-20
Origin Time 1650 30.34 +- 0.54
Zone 50
Easting 565.31 +- 5.63 Longitude 117.688
Northing 6517.97 +- 2.31 Latitude -31.471
Depth 1.74 +- 8.74
Arrival times = 12 S.D. = 0.239 Seismographs = 5
Nearest recorder = 15.0 km Gap = 186.3 deg Accuracy = A
Effects Code = Imax = 0 Fault =
3 km E ( 75 deg) of KBS
WESTERN AUSTRALIA
182 km E ( 74 deg) of PERTH
18 km N (350 deg) of Kellerberrin
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 ML 2.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 32.70 0.30 0.82 32.81 -0.11 15.0 152 7.7 7.7
KLB e S 34.60 0.20 0.80 34.53 0.07 15.0 152 7.7 7.7
BAL i+P 52.00 0.10 1.23 52.15 -0.15 133.9 315 -30.8 30.8
BAL i S 67.40 0.10 1.11 67.34 0.06 133.9 315 0.9 0.9
MUN i-P 54.30 0.10 1.22 54.54 -0.24 151.0 247 -30.8 30.8
MUN e S 72.30 0.20 0.67 72.05 0.25 151.0 247 0.8 0.8
NWAO i P 57.00 0.10 1.21 56.77 0.23 166.9 194 -30.8 30.8
NWAO i S 76.40 0.10 1.08 76.45 -0.05 166.9 194 0.7 0.7
MRWA e P 72.50 1.00 0.50 72.84 -0.34 297.9 326 -42.2 42.2
MRWA e P2 75.80 0.20 0.42 75.12 0.68 297.9 326 -30.8 30.8
MRWA e S 105.00 1.00 0.45 104.48 0.52 297.9 326 -40.3 40.3
MRWA e S2 110.00 0.50 0.29 109.67 0.33 297.9 326 -23.9 23.9
12 times used, S = 0.239
Deferred Data
MRWA e SG 118.00 0.50 0.52 112.64 5.36 297.9 326 0.4 0.4
Velocity Ratios
KLB BAL MUN NWAO MRWA
KLB 1.80 1.70 1.75 1.72 1.77
0.36 0.05 0.05 0.04 0.09
BAL 1.70 1.71 0.00 1.80 1.83
0.05 0.01 0.00 0.12 0.16
MUN 1.75 0.00 1.75 0.00 1.80
0.05 0.00 0.02 0.00 0.19
NWAO 1.72 1.80 0.00 1.73 0.00
0.04 0.12 0.00 0.01 0.00
MRWA 1.77 1.83 1.80 0.00 1.77
0.09 0.16 0.19 0.00 0.07
Date 1997-03-22
Origin Time 0358 57.32 +- 26.66
Zone 50
Easting 382.86 +- 101.32 Longitude 115.795
Northing 6770.55 +- 386.90 Latitude -29.188
Depth 0.52 +- 374.95
Arrival times = 5 S.D. = 0.375 Seismographs = 2
Nearest recorder = 19.8 km Gap = 308.6 deg Accuracy = C
Effects Code = Imax = 0 Fault =
19 km W (279 deg) of MRWA
WESTERN AUSTRALIA
306 km N (359 deg) of PERTH
124 km E (112 deg) of GERALDTON
20 km W (280 deg) of Morawa
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 2.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MRWA e S-P 2.40 0.10 1.00 2.24 0.16 19.8 99 0.0 0.0
MRWA i+P 60.40 0.10 1.43 60.56 -0.16 19.8 99 2.4 2.4
MRWA i S 62.80 0.10 1.29 62.80 0.00 19.8 99 2.4 2.4
BAL e P 86.50 0.20 0.73 85.71 0.79 180.2 151 -30.8 30.8
BAL e S 106.20 0.30 0.61 106.89 -0.69 180.2 151 -40.3 40.3
5 times used, S = 0.375
Deferred Data
BAL e SG 111.70 0.30 0.54 107.09 4.61 180.2 151 0.3 0.3
MUN e S2 135.00 0.50 0.29 140.28 -5.28 311.8 172 -23.9 23.9
MUN e S 135.00 0.50 0.52 134.59 0.41 311.8 172 -40.3 40.3
MUN e SG 138.00 0.30 0.58 143.44 -5.44 311.8 172 0.1 0.1
NWAO e S2 173.50 0.50 0.28 171.76 1.74 436.5 162 -23.9 23.9
NWAO e SG 176.50 0.50 0.50 177.89 -1.39 436.5 162 0.1 0.1
Velocity Ratios
MRWA BAL
MRWA 1.78 1.66
0.09 0.03
BAL 1.66 1.68
0.03 0.02
Date 1997-03-26
Origin Time 1640 27.25 +- 0.30
Zone 50
Easting 565.64 +- 2.24 Longitude 117.691
Northing 6518.68 +- 1.72 Latitude -31.465
Depth 5.00 +- 4.20 N
Arrival times = 17 S.D. = 0.317 Seismographs = 7
Nearest recorder = 15.5 km Gap = 74.8 deg Accuracy = B
Effects Code = Imax = 0 Fault =
4 km E ( 67 deg) of KBS
WESTERN AUSTRALIA
183 km E ( 73 deg) of PERTH
19 km N (351 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 2.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 29.80 0.20 0.89 29.93 -0.13 15.5 155 18.8 18.8
KLB e S 31.70 0.20 0.80 31.78 -0.08 15.5 155 18.8 18.8
BAL i+P 48.90 0.10 1.23 48.75 0.15 133.7 315 -30.8 30.8
BAL i S 64.00 0.10 1.11 64.20 -0.20 133.7 315 2.3 2.3
MUN i+P 51.20 0.10 1.22 51.26 -0.06 151.6 247 -30.8 30.8
MUN i S 69.10 0.10 1.09 69.14 -0.04 151.6 247 2.0 2.0
NWAO e P 53.70 0.10 0.84 53.52 0.18 167.7 194 -30.8 30.8
NWAO e S 73.40 0.20 0.66 73.32 0.08 167.7 194 -23.9 23.9
MRWA e P 69.30 0.10 0.80 69.35 -0.05 297.5 326 -42.2 42.2
MRWA e PMP 72.40 0.30 0.39 72.06 0.34 297.5 326 -31.8 31.8
MRWA e S 101.00 0.20 0.63 100.72 0.28 297.5 326 -40.3 40.3
MRWA e SMS 106.30 0.10 0.40 106.80 -0.50 297.5 326 -25.4 25.4
WOOL e SMP 88.70 0.30 0.31 89.50 -0.80 382.4 84 -59.6 31.0
WOOL e S 119.00 0.50 0.51 118.59 0.41 382.4 84 -40.3 40.3
WOOL e SG 132.30 0.50 0.51 132.89 -0.59 382.4 84 0.8 0.8
MEEK e P 99.90 0.20 0.66 98.98 0.92 542.3 9 -42.2 42.2
MEEK e S 151.70 0.50 0.49 152.31 -0.61 542.3 9 -40.3 40.3
17 times used, S = 0.317
Deferred Data
RKG e P 76.00 1.00 0.39 75.70 0.30 350.1 190 -42.2 42.2
RKG e PMP 80.50 0.50 0.29 79.35 1.15 350.1 190 -31.5 31.5
RKG e SMS 120.00 0.50 0.24 119.93 0.07 350.1 190 -24.9 24.9
WOOL e P 88.70 0.20 0.68 79.61 9.09 382.4 84 -42.2 42.2
Velocity Ratios
KLB BAL MUN NWAO MRWA MEEK
KLB 1.75 1.69 1.75 1.74 1.75 1.71
0.23 0.04 0.04 0.04 0.02 0.02
BAL 1.69 1.70 0.00 1.96 1.81 1.72
0.04 0.01 0.00 0.15 0.03 0.02
MUN 1.75 0.00 1.75 0.00 1.76 1.70
0.04 0.00 0.01 0.00 0.04 0.02
NWAO 1.74 1.96 0.00 1.74 1.77 1.69
0.04 0.15 0.00 0.01 0.05 0.03
MRWA 1.75 1.81 1.76 1.77 1.75 1.66
0.02 0.03 0.04 0.05 0.01 0.04
MEEK 1.71 1.72 1.70 1.69 1.66 1.71
0.02 0.02 0.02 0.03 0.04 0.01
Date 1997-03-26
Origin Time 1653 16.81 +- 0.62
Zone 50
Easting 566.59 +- 5.13 Longitude 117.701
Northing 6519.12 +- 2.91 Latitude -31.461
Depth 5.00 +- 7.62 N
Arrival times = 8 S.D. = 0.135 Seismographs = 5
Nearest recorder = 15.6 km Gap = 192.7 deg Accuracy = B
Effects Code = Imax = 0 Fault =
5 km NE ( 67 deg) of KBS
WESTERN AUSTRALIA
184 km E ( 73 deg) of PERTH
19 km N (354 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 2.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 21.10 0.50 0.66 21.36 -0.26 15.6 159 18.8 18.8
BAL i-P 38.50 0.10 1.23 38.37 0.13 134.0 314 -30.8 30.8
BAL i S 53.70 0.10 1.11 53.86 -0.16 134.0 314 2.3 2.3
MUN i-P 41.00 0.10 1.21 40.97 0.03 152.6 247 -30.8 30.8
MUN i S 59.00 0.10 1.09 59.00 0.00 152.6 247 2.0 2.0
NWAO e P 43.30 0.10 0.84 43.18 0.12 168.4 194 -30.8 30.8
NWAO e S 63.00 0.20 0.66 63.06 -0.06 168.4 194 -23.9 23.9
MRWA e SMS 96.40 0.30 0.32 96.40 0.00 297.7 326 -25.4 25.4
8 times used, S = 0.135
Deferred Data
MRWA e S 91.70 0.30 0.58 90.32 1.38 297.7 326 -40.3 40.3
Velocity Ratios
BAL MUN NWAO
BAL 1.70 0.00 1.94
0.01 0.00 0.15
MUN 0.00 1.74 0.00
0.00 0.01 0.00
NWAO 1.94 0.00 1.74
0.15 0.00 0.01
Date 1997-03-26
Origin Time 1657 16.79 +- 0.55
Zone 50
Easting 565.35 +- 4.68 Longitude 117.688
Northing 6518.22 +- 2.51 Latitude -31.469
Depth 5.00 +- 6.34 N
Arrival times = 9 S.D. = 0.234 Seismographs = 5
Nearest recorder = 15.2 km Gap = 186.8 deg Accuracy = B
Effects Code = Imax = 0 Fault =
3 km E ( 72 deg) of KBS
WESTERN AUSTRALIA
182 km E ( 73 deg) of PERTH
18 km N (350 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
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 21.00 0.10 0.92 21.25 -0.25 15.2 153 19.2 19.2
BAL i P 38.40 0.10 1.23 38.31 0.09 133.8 315 -30.8 30.8
BAL i S 53.50 0.10 1.11 53.78 -0.28 133.8 315 2.3 2.3
MUN i-P 40.80 0.10 1.22 40.74 0.06 151.1 247 -30.8 30.8
MUN i S 58.50 0.10 1.09 58.56 -0.06 151.1 247 2.0 2.0
NWAO e P 43.10 0.20 0.73 42.99 0.11 167.2 194 -30.8 30.8
NWAO e S 63.00 0.20 0.66 62.73 0.27 167.2 194 -23.9 23.9
MRWA e S 90.90 0.20 0.63 90.31 0.59 297.8 326 -40.3 40.3
MRWA e SMS 96.30 0.20 0.35 96.39 -0.09 297.8 326 -25.4 25.4
9 times used, S = 0.234
Velocity Ratios
BAL MUN NWAO
BAL 1.70 0.00 0.00
0.01 0.00 0.00
MUN 0.00 1.74 0.00
0.00 0.01 0.00
NWAO 0.00 0.00 1.76
0.00 0.00 0.02
Date 1997-03-26
Origin Time 2119 0.74 +- 0.81
Zone 50
Easting 564.31 +- 6.96 Longitude 117.677
Northing 6517.67 +- 3.70 Latitude -31.474
Depth 5.00 +- 9.39 N
Arrival times = 9 S.D. = 0.333 Seismographs = 5
Nearest recorder = 15.3 km Gap = 182.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
2 km E ( 76 deg) of KBS
WESTERN AUSTRALIA
181 km E ( 74 deg) of PERTH
18 km N (347 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 1.9
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 4.90 0.20 0.80 5.20 -0.30 15.3 149 19.2 19.2
BAL i P 22.10 0.10 1.23 22.21 -0.11 133.4 315 -30.8 30.8
BAL i S 37.50 0.10 1.11 37.63 -0.13 133.4 315 2.3 2.3
MUN i P 24.60 0.10 1.22 24.52 0.08 150.0 247 -30.8 30.8
MUN i S 42.00 0.30 0.88 42.18 -0.18 150.0 247 2.0 2.0
NWAO e P 27.30 0.50 0.61 26.82 0.48 166.4 194 -30.8 30.8
NWAO e S 46.80 0.50 0.55 46.48 0.32 166.4 194 -23.9 23.9
MRWA e S 75.30 0.50 0.52 74.23 1.07 297.6 326 -40.3 40.3
MRWA e SMS 80.00 0.50 0.29 80.31 -0.31 297.6 326 -25.4 25.4
9 times used, S = 0.333
Velocity Ratios
BAL MUN NWAO
BAL 1.72 0.00 0.00
0.01 0.00 0.00
MUN 0.00 1.73 0.00
0.00 0.02 0.00
NWAO 0.00 0.00 1.73
0.00 0.00 0.05
Date 1997-03-26
Origin Time 2130 23.12 +- 0.75
Zone 50
Easting 566.17 +- 5.88 Longitude 117.697
Northing 6518.82 +- 3.20 Latitude -31.463
Depth 5.00 +- 8.72 N
Arrival times = 9 S.D. = 0.159 Seismographs = 5
Nearest recorder = 15.4 km Gap = 190.8 deg Accuracy = B
Effects Code = Imax = 0 Fault =
4 km E ( 68 deg) of KBS
WESTERN AUSTRALIA
183 km E ( 73 deg) of PERTH
19 km N (353 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 2.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 27.60 0.20 0.80 27.63 -0.03 15.4 157 18.9 18.9
BAL i P 44.80 0.10 1.23 44.67 0.13 133.9 315 -30.8 30.8
BAL i S 60.00 0.10 1.11 60.15 -0.15 133.9 315 2.3 2.3
MUN i-P 47.20 0.10 1.22 47.21 -0.01 152.1 247 -30.8 30.8
MUN i S 65.20 0.10 1.09 65.17 0.03 152.1 247 2.0 2.0
NWAO e P 49.00 1.00 0.53 49.43 -0.43 168.0 194 -30.8 30.8
NWAO e S 69.40 0.30 0.61 69.27 0.13 168.0 194 -23.9 23.9
MRWA e PMP 68.00 0.50 0.35 67.95 0.05 297.7 326 -31.8 31.8
MRWA e SMS 103.10 0.30 0.32 102.71 0.39 297.7 326 -25.4 25.4
9 times used, S = 0.159
Deferred Data
MRWA e S 98.00 0.30 0.58 96.63 1.37 297.7 326 -40.3 40.3
Velocity Ratios
BAL MUN NWAO
BAL 1.70 0.00 0.00
0.01 0.00 0.00
MUN 0.00 1.75 0.00
0.00 0.01 0.00
NWAO 0.00 0.00 1.79
0.00 0.00 0.08
Date 1997-03-26
Origin Time 2211 8.68 +- 0.62
Zone 50
Easting 564.12 +- 5.35 Longitude 117.675
Northing 6517.52 +- 3.03 Latitude -31.475
Depth 5.00 +- 7.67 N
Arrival times = 10 S.D. = 0.348 Seismographs = 5
Nearest recorder = 15.2 km Gap = 181.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
2 km E ( 79 deg) of KBS
WESTERN AUSTRALIA
181 km E ( 74 deg) of PERTH
18 km N (346 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 2.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 12.80 0.10 0.92 13.13 -0.33 15.2 148 19.2 19.2
BAL i-P 30.20 0.10 1.23 30.15 0.05 133.4 316 -30.8 30.8
BAL i S 45.20 0.10 1.11 45.57 -0.37 133.4 316 2.3 2.3
MUN i-P 32.40 0.10 1.22 32.43 -0.03 149.7 247 -30.8 30.8
MUN i S 50.00 0.10 1.10 50.06 -0.06 149.7 247 2.0 2.0
NWAO e P 35.00 0.20 0.73 34.74 0.26 166.2 194 -30.8 30.8
NWAO e S 54.80 0.20 0.66 54.37 0.43 166.2 194 -23.9 23.9
MRWA e PMP 54.00 0.30 0.39 53.51 0.49 297.7 326 -31.8 31.8
MRWA e S 83.10 0.20 0.63 82.18 0.92 297.7 326 -40.3 40.3
MRWA e SMS 88.40 0.20 0.35 88.26 0.14 297.7 326 -25.4 25.4
10 times used, S = 0.348
Velocity Ratios
BAL MUN NWAO
BAL 1.70 0.00 0.00
0.01 0.00 0.00
MUN 0.00 1.74 0.00
0.00 0.01 0.00
NWAO 0.00 0.00 1.75
0.00 0.00 0.02
Date 1997-03-27
Origin Time 0352 35.15 +- 0.32
Zone 50
Easting 564.54 +- 2.26 Longitude 117.679
Northing 6518.33 +- 2.16 Latitude -31.468
Depth 5.00 +- 4.43 N
Arrival times = 21 S.D. = 0.415 Seismographs = 8
Nearest recorder = 15.7 km Gap = 68.3 deg Accuracy = B
Effects Code = Imax = 0 Fault =
3 km NE ( 66 deg) of KBS
WESTERN AUSTRALIA
181 km E ( 73 deg) of PERTH
18 km N (348 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 3.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 37.40 0.30 0.82 37.86 -0.46 15.7 150 18.6 18.6
KLB e S 39.50 0.20 0.80 39.73 -0.23 15.7 150 18.6 18.6
BAL i+P 56.50 0.10 1.23 56.58 -0.08 133.1 315 -30.8 30.8
BAL i S 71.70 0.10 1.11 71.96 -0.26 133.1 315 2.3 2.3
MUN i+P 59.00 0.10 1.22 59.00 0.00 150.4 247 -30.8 30.8
MUN i S 77.00 0.10 1.09 76.73 0.27 150.4 247 2.0 2.0
NWAO i+P 61.40 0.10 1.21 61.33 0.07 167.1 194 -30.8 30.8
NWAO e S 81.20 0.20 0.66 81.07 0.13 167.1 194 -23.9 23.9
NWAO e SBS 82.10 0.20 0.44 82.21 -0.11 167.1 194 -11.3 11.3
MRWA e P 77.10 0.10 0.80 77.21 -0.11 297.2 326 -42.2 42.2
MRWA e PMP 80.00 0.10 0.48 79.91 0.09 297.2 326 -31.8 31.8
MRWA e SMP 85.00 0.10 0.40 85.49 -0.49 297.2 326 -59.6 31.1
MRWA e SMS 114.90 0.10 0.40 114.62 0.28 297.2 326 -25.4 25.4
WOOL e SMP 96.50 0.10 0.39 97.55 -1.05 383.5 84 -59.6 31.0
WOOL e S 126.10 0.20 0.61 126.73 -0.63 383.5 84 -40.3 40.3
WOOL e SG 142.00 0.30 0.56 141.10 0.90 383.5 84 0.8 0.8
MEEK i+P 107.60 0.10 1.08 106.94 0.66 542.9 9 -42.2 42.2
MEEK e S 159.50 0.30 0.54 160.32 -0.82 542.9 9 -40.3 40.3
WARB e P 168.60 0.20 0.61 168.98 -0.38 1056.0 58 -42.2 42.2
WARB e S 268.60 0.20 0.55 268.34 0.26 1056.0 58 -40.3 40.3
WARB e SG 327.50 0.50 0.46 326.88 0.62 1056.0 58 0.3 0.3
21 times used, S = 0.415
Deferred Data
MRWA e S 110.00 0.10 0.72 108.56 1.44 297.2 326 -40.3 40.3
RKG e P2 85.50 1.00 0.24 86.89 -1.39 349.5 190 -30.8 30.8
RKG e PMP 88.50 0.50 0.29 87.18 1.32 349.5 190 -31.5 31.5
RKG e SMS 128.00 0.50 0.24 127.70 0.30 349.5 190 -24.9 24.9
WOOL e P 88.40 2.00 0.43 87.65 0.75 383.5 84 -42.2 42.2
WOOL e PG 96.50 0.10 0.78 97.72 -1.22 383.5 84 0.8 0.8
MEEK e SG 181.50 0.50 0.49 185.12 -3.62 542.9 9 0.6 0.6
Velocity Ratios
KLB BAL MUN NWAO MEEK WARB
KLB 1.93 1.69 1.74 1.74 1.71 1.75
0.40 0.05 0.05 0.05 0.02 0.01
BAL 1.69 1.71 0.00 1.94 1.72 1.76
0.05 0.01 0.00 0.15 0.01 0.01
MUN 1.74 0.00 1.75 0.00 1.70 1.75
0.05 0.00 0.01 0.00 0.02 0.01
NWAO 1.74 1.94 0.00 1.75 1.69 1.75
0.05 0.15 0.00 0.01 0.02 0.01
MEEK 1.71 1.72 1.70 1.69 1.72 1.79
0.02 0.01 0.02 0.02 0.01 0.02
WARB 1.75 1.76 1.75 1.75 1.79 1.75
0.01 0.01 0.01 0.01 0.02 0.00
Date 1997-03-27
Origin Time 0452 10.89 +- 0.93
Zone 50
Easting 565.62 +- 5.51 Longitude 117.691
Northing 6518.31 +- 3.98 Latitude -31.468
Depth 5.00 +- 9.95 N
Arrival times = 8 S.D. = 0.127 Seismographs = 5
Nearest recorder = 15.2 km Gap = 188.0 deg Accuracy = B
Effects Code = Imax = 0 Fault =
4 km E ( 72 deg) of KBS
WESTERN AUSTRALIA
182 km E ( 73 deg) of PERTH
18 km N (351 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
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 15.20 0.20 0.80 15.33 -0.13 15.2 154 19.2 19.2
BAL e P 32.50 0.30 0.69 32.43 0.07 133.9 315 -30.8 30.8
BAL e S 47.80 0.20 0.67 47.91 -0.11 133.9 315 2.3 2.3
MUN e P 34.90 0.10 0.85 34.87 0.03 151.4 247 -30.8 30.8
MUN i S 52.70 0.10 1.09 52.74 -0.04 151.4 247 2.0 2.0
NWAO e P 37.40 0.50 0.61 37.10 0.30 167.3 194 -30.8 30.8
NWAO e S 56.90 0.50 0.55 56.87 0.03 167.3 194 -23.9 23.9
MRWA e SMS 90.50 0.50 0.29 90.51 -0.01 297.8 326 -25.4 25.4
8 times used, S = 0.127
Deferred Data
MRWA e S 86.00 1.00 0.45 84.42 1.58 297.8 326 -40.3 40.3
Velocity Ratios
BAL MUN NWAO
BAL 1.71 0.00 0.00
0.03 0.00 0.00
MUN 0.00 1.74 0.00
0.00 0.01 0.00
NWAO 0.00 0.00 1.74
0.00 0.00 0.05
Date 1997-03-27
Origin Time 0611 14.68 +- 1.25
Zone 50
Easting 566.84 +- 8.47 Longitude 117.703
Northing 6519.54 +- 5.05 Latitude -31.457
Depth 5.00 +- 13.54 N
Arrival times = 8 S.D. = 0.256 Seismographs = 5
Nearest recorder = 15.9 km Gap = 194.1 deg Accuracy = B
Effects Code = Imax = 0 Fault =
5 km NE ( 64 deg) of KBS
WESTERN AUSTRALIA
184 km E ( 73 deg) of PERTH
19 km N (355 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 1.9
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 19.10 0.30 0.74 19.30 -0.20 15.9 160 18.5 18.5
BAL e P 36.50 0.10 0.86 36.21 0.29 133.9 314 -30.8 30.8
BAL e S 51.30 0.10 0.77 51.69 -0.39 133.9 314 2.3 2.3
MUN e P 38.90 0.20 0.74 38.89 0.01 153.0 247 -30.8 30.8
MUN i S 57.00 0.10 1.09 56.97 0.03 153.0 247 2.0 2.0
NWAO e P 41.50 1.00 0.53 41.11 0.39 168.8 195 -30.8 30.8
NWAO e S 60.90 0.30 0.61 61.04 -0.14 168.8 195 -23.9 23.9
MRWA e SMS 94.40 0.20 0.35 94.21 0.19 297.5 326 -25.4 25.4
8 times used, S = 0.256
Velocity Ratios
BAL MUN NWAO
BAL 1.68 0.00 0.00
0.01 0.00 0.00
MUN 0.00 1.75 0.00
0.00 0.02 0.00
NWAO 0.00 0.00 1.72
0.00 0.00 0.08
Date 1997-03-27
Origin Time 0614 18.59 +- 0.42
Zone 50
Easting 564.75 +- 3.92 Longitude 117.682
Northing 6518.58 +- 2.65 Latitude -31.466
Depth 3.19 +- 7.94
Arrival times = 8 S.D. = 0.159 Seismographs = 5
Nearest recorder = 15.8 km Gap = 188.8 deg Accuracy = A
Effects Code = Imax = 0 Fault =
3 km E ( 71 deg) of KBS
WESTERN AUSTRALIA
182 km E ( 73 deg) of PERTH
19 km N (349 deg) of Kellerberrin
Record Dur Sync Unc Resp Seismometer Recorder Pol
MEEK -0.00 Seismograph details unknown
MUN -0.00 Seismograph details unknown
NWAO -0.00 Seismograph details unknown
CMC -0.00 Seismograph details unknown
BAL -0.00 Seismograph details unknown
KLB -0.00 Seismograph details unknown
MRWA -0.00 Seismograph details unknown
RKG -0.00 Seismograph details unknown
WARB -0.00 Seismograph details unknown
WOOL -0.00 Seismograph details unknown
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
KLB e P 21.10 0.10 1.02 21.23 -0.13 15.8 152 12.4 12.4
KLB e S 23.10 0.20 0.80 23.06 0.04 15.8 152 12.4 12.4
CMC e P 34.15 0.10 0.89 33.82 0.33 93.3 323 2.2 2.2
BAL i+P 40.20 0.10 1.23 40.16 0.04 133.1 315 -30.8 30.8
BAL i S 55.20 0.10 1.11 55.37 -0.17 133.1 315 1.5 1.5
MUN i+P 42.50 0.10 1.22 42.63 -0.13 150.7 247 -30.8 30.8
MUN i S 60.30 0.10 1.09 60.23 0.07 150.7 247 1.3 1.3
NWAO e P 45.10 0.10 0.84 44.96 0.14 167.4 194 -30.8 30.8
8 times used, S = 0.159
Deferred Data
NWAO e S 64.60 0.30 0.61 64.78 -0.18 167.4 194 -23.9 23.9
MRWA e P 60.40 0.20 0.70 60.83 -0.43 297.1 326 -42.2 42.2
MRWA e PMP 64.00 0.10 0.48 63.49 0.51 297.1 326 -31.8 31.8
MRWA e SMP 68.50 0.10 0.40 69.34 -0.84 297.1 326 -59.6 31.1
MRWA e S 93.00 0.10 0.72 92.30 0.70 297.1 326 -40.3 40.3
MRWA e SMS 98.00 0.10 0.40 98.24 -0.24 297.1 326 -25.4 25.4
RKG e SMS 111.60 0.50 0.29 111.41 0.19 349.8 190 -24.9 24.9
WOOL e PMP 75.90 1.00 0.30 75.47 0.43 383.3 84 -31.4 31.4
WOOL e PG 80.50 0.20 0.68 81.11 -0.61 383.3 84 0.5 0.5
WOOL e S 111.00 0.50 0.51 110.44 0.56 383.3 84 -40.3 40.3
WOOL e SG 125.00 0.50 0.51 124.47 0.53 383.3 84 0.5 0.5
MEEK e P 91.30 0.20 0.66 90.54 0.76 542.6 9 -42.2 42.2
MEEK e S 144.20 0.30 0.54 144.02 0.18 542.6 9 -40.3 40.3
WARB i+P 152.40 0.10 1.01 152.58 -0.18 1055.7 58 -42.2 42.2
WARB e S 253.70 0.20 0.55 252.03 1.67 1055.7 58 -40.3 40.3
WARB e SG 309.30 0.30 0.51 310.23 -0.93 1055.7 58 0.2 0.2
Velocity Ratios
KLB BAL MUN
KLB 1.80 1.68 1.74
0.16 0.03 0.03
BAL 1.68 1.69 0.00
0.03 0.01 0.00
MUN 1.74 0.00 1.74
0.03 0.00 0.01
Date 1997-03-27
Origin Time 0628 22.08 +- 0.57
Zone 50
Easting 565.11 +- 5.48 Longitude 117.685
Northing 6517.45 +- 2.70 Latitude -31.476
Depth 5.00 +- 6.67 N
Arrival times = 11 S.D. = 0.314 Seismographs = 5
Nearest recorder = 14.7 km Gap = 184.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
3 km E ( 83 deg) of KBS
WESTERN AUSTRALIA
182 km E ( 74 deg) of PERTH
17 km N (349 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 2.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 26.20 0.20 0.80 26.39 -0.19 14.7 151 19.9 19.9
BAL e P 43.70 0.20 0.75 43.66 0.04 134.2 315 -30.8 30.8
BAL e S 58.70 0.20 0.67 59.18 -0.48 134.2 315 2.3 2.3
MUN e P 46.00 0.10 0.85 45.96 0.04 150.6 247 -30.8 30.8
MUN e S 63.70 0.20 0.67 63.72 -0.02 150.6 247 2.0 2.0
NWAO e P 48.40 0.20 0.73 48.17 0.23 166.4 194 -30.8 30.8
NWAO e S 67.80 0.30 0.61 67.82 -0.02 166.4 194 -23.9 23.9
MRWA e P 64.50 0.50 0.58 64.27 0.23 298.3 326 -42.2 42.2
MRWA e SMP 71.80 0.50 0.29 72.57 -0.77 298.3 326 -59.6 31.1
MRWA e S 96.30 0.20 0.63 95.71 0.59 298.3 326 -40.3 40.3
MRWA e SMS 101.30 0.20 0.35 101.81 -0.51 298.3 326 -25.4 25.4
11 times used, S = 0.314
Deferred Data
KLB e P 24.00 0.50 0.74 24.63 -0.63 14.7 151 19.9 19.9
Velocity Ratios
BAL MUN NWAO MRWA
BAL 1.69 0.00 0.00 1.81
0.03 0.00 0.00 0.08
MUN 0.00 1.74 0.00 1.76
0.00 0.02 0.00 0.08
NWAO 0.00 0.00 1.74 1.77
0.00 0.00 0.02 0.11
MRWA 1.81 1.76 1.77 1.75
0.08 0.08 0.11 0.03
Date 1997-03-27
Origin Time 0631 4.47 +- 1.10
Zone 50
Easting 566.38 +- 7.27 Longitude 117.699
Northing 6519.50 +- 5.84 Latitude -31.457
Depth 5.00 +- 11.88 N
Arrival times = 9 S.D. = 0.224 Seismographs = 5
Nearest recorder = 16.0 km Gap = 192.5 deg Accuracy = B
Effects Code = Imax = 0 Fault =
5 km NE ( 62 deg) of KBS
WESTERN AUSTRALIA
184 km E ( 73 deg) of PERTH
19 km N (354 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 2.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 7.00 1.00 0.64 7.22 -0.22 16.0 158 18.3 18.3
KLB e S 9.10 0.20 0.80 9.13 -0.03 16.0 158 18.3 18.3
BAL e P 26.30 0.20 0.75 25.97 0.33 133.6 314 -30.8 30.8
BAL e S 41.00 0.50 0.56 41.40 -0.40 133.6 314 2.3 2.3
MUN e P 28.50 0.10 0.85 28.62 -0.12 152.6 247 -30.8 30.8
MUN e S 46.70 0.30 0.61 46.64 0.06 152.6 247 2.0 2.0
NWAO e P 31.10 0.30 0.68 30.88 0.22 168.7 194 -30.8 30.8
NWAO e S 50.80 0.30 0.61 50.79 0.01 168.7 194 -23.9 23.9
MRWA e SMS 84.00 0.20 0.35 83.95 0.05 297.2 326 -25.4 25.4
9 times used, S = 0.224
Velocity Ratios
KLB BAL MUN NWAO
KLB 1.83 1.65 1.75 1.73
1.33 0.15 0.12 0.12
BAL 1.65 1.67 0.00 0.00
0.15 0.04 0.00 0.00
MUN 1.75 0.00 1.76 0.00
0.12 0.00 0.02 0.00
NWAO 1.73 0.00 0.00 1.74
0.12 0.00 0.00 0.03
Date 1997-03-27
Origin Time 0633 11.38 +- 1.06
Zone 50
Easting 565.40 +- 7.92 Longitude 117.688
Northing 6518.90 +- 4.47 Latitude -31.463
Depth 5.00 +- 12.00 N
Arrival times = 9 S.D. = 0.247 Seismographs = 5
Nearest recorder = 15.8 km Gap = 188.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
4 km NE ( 63 deg) of KBS
WESTERN AUSTRALIA
182 km E ( 73 deg) of PERTH
19 km N (351 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 1.9
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 15.80 0.20 0.80 15.99 -0.19 15.8 154 18.5 18.5
BAL e P 33.10 0.10 0.86 32.84 0.26 133.3 315 -30.8 30.8
BAL e S 48.00 0.20 0.67 48.24 -0.24 133.3 315 2.3 2.3
MUN e P 35.10 0.20 0.74 35.37 -0.27 151.4 247 -30.8 30.8
MUN e S 53.20 0.20 0.67 53.24 -0.04 151.4 247 2.0 2.0
NWAO e P 38.00 1.00 0.53 37.67 0.33 167.9 194 -30.8 30.8
NWAO e S 57.60 0.50 0.55 57.49 0.11 167.9 194 -23.9 23.9
NWAO e SG 58.00 0.50 0.55 57.77 0.23 167.9 194 1.8 1.8
MRWA e SMS 91.00 0.50 0.29 90.85 0.15 297.2 326 -25.4 25.4
9 times used, S = 0.247
Velocity Ratios
BAL MUN NWAO
BAL 1.69 0.00 0.00
0.02 0.00 0.00
MUN 0.00 1.76 0.00
0.00 0.02 0.00
NWAO 0.00 0.00 1.74
0.00 0.00 0.09
Date 1997-03-27
Origin Time 0758 5.55 +- 0.42
Zone 50
Easting 565.94 +- 2.32 Longitude 117.694
Northing 6519.25 +- 2.14 Latitude -31.459
Depth 5.00 +- 6.09 N
Arrival times = 16 S.D. = 0.402 Seismographs = 8
Nearest recorder = 15.9 km Gap = 72.4 deg Accuracy = B
Effects Code = Imax = 0 Fault =
4 km NE ( 62 deg) of KBS
WESTERN AUSTRALIA
183 km E ( 73 deg) of PERTH
19 km N (353 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 2.9
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 8.00 0.20 0.89 8.29 -0.29 15.9 156 18.4 18.4
KLB e S 10.00 0.20 0.80 10.19 -0.19 15.9 156 18.4 18.4
BAL i+P 27.10 0.10 1.23 27.03 0.07 133.5 314 -30.8 30.8
BAL i S 42.10 0.10 1.11 42.45 -0.35 133.5 314 2.3 2.3
MUN i+P 29.60 0.10 1.22 29.63 -0.03 152.1 247 -30.8 30.8
MUN i S 47.90 0.10 1.09 47.58 0.32 152.1 247 2.0 2.0
NWAO e P 32.00 0.20 0.73 31.91 0.09 168.3 194 -30.8 30.8
NWAO e S 51.70 0.30 0.61 51.78 -0.08 168.3 194 -23.9 23.9
MRWA e P 47.40 0.10 0.80 47.61 -0.21 297.2 326 -42.2 42.2
WOOL e PG 67.00 0.50 0.57 67.88 -0.88 382.0 84 0.8 0.8
WOOL e S 98.00 0.50 0.51 96.82 1.18 382.0 84 -40.3 40.3
WOOL e SG 110.80 0.50 0.51 111.09 -0.29 382.0 84 0.8 0.8
MEEK e P 78.10 1.00 0.48 77.20 0.90 541.7 9 -42.2 42.2
MEEK e S 130.90 0.50 0.49 130.48 0.42 541.7 9 -40.3 40.3
WARB e P 139.70 1.00 0.44 139.18 0.52 1054.4 58 -42.2 42.2
WARB e S 238.80 0.50 0.46 238.39 0.41 1054.4 58 -40.3 40.3
16 times used, S = 0.402
Velocity Ratios
KLB BAL MUN NWAO MEEK WARB
KLB 1.82 1.68 1.75 1.74 1.72 1.74
0.25 0.04 0.04 0.05 0.04 0.02
BAL 1.68 1.70 0.00 0.00 1.74 1.75
0.04 0.01 0.00 0.00 0.05 0.02
MUN 1.75 0.00 1.76 0.00 1.71 1.73
0.04 0.00 0.01 0.00 0.05 0.02
NWAO 1.74 0.00 0.00 1.74 1.72 1.74
0.05 0.00 0.00 0.02 0.06 0.03
MEEK 1.72 1.74 1.71 1.72 1.73 1.75
0.04 0.05 0.05 0.06 0.03 0.08
WARB 1.74 1.75 1.73 1.74 1.75 1.74
0.02 0.02 0.02 0.03 0.08 0.02
Date 1997-03-27
Origin Time 1134 31.64 +- 0.83
Zone 50
Easting 565.85 +- 6.38 Longitude 117.693
Northing 6517.98 +- 3.77 Latitude -31.471
Depth 5.00 +- 9.23 N
Arrival times = 9 S.D. = 0.316 Seismographs = 5
Nearest recorder = 14.8 km Gap = 188.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
4 km E ( 77 deg) of KBS
WESTERN AUSTRALIA
183 km E ( 74 deg) of PERTH
18 km N (352 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 1.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 35.80 0.20 0.80 35.98 -0.18 14.8 154 19.7 19.7
BAL e P 53.30 0.10 0.86 53.23 0.07 134.3 315 -30.8 30.8
BAL e S 68.20 0.10 0.77 68.77 -0.57 134.3 315 2.3 2.3
MUN i P 55.80 0.10 1.22 55.64 0.16 151.5 247 -30.8 30.8
MUN i S 73.50 0.10 1.09 73.51 -0.01 151.5 247 2.0 2.0
NWAO e P 57.90 0.50 0.61 57.82 0.08 167.1 194 -30.8 30.8
NWAO e S 77.40 0.30 0.61 77.55 -0.15 167.1 194 -23.9 23.9
MRWA e S 106.00 0.30 0.58 105.26 0.74 298.2 326 -40.3 40.3
MRWA e SMS 111.00 0.30 0.32 111.36 -0.36 298.2 326 -25.4 25.4
9 times used, S = 0.316
Velocity Ratios
BAL MUN NWAO
BAL 1.69 0.00 0.00
0.01 0.00 0.00
MUN 0.00 1.73 0.00
0.00 0.01 0.00
NWAO 0.00 0.00 1.74
0.00 0.00 0.05
Date 1997-03-27
Origin Time 1352 5.70 +- 0.93
Zone 50
Easting 564.71 +- 8.48 Longitude 117.681
Northing 6518.18 +- 4.69 Latitude -31.469
Depth 5.00 +- 10.90 N
Arrival times = 9 S.D. = 0.388 Seismographs = 5
Nearest recorder = 15.5 km Gap = 184.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
3 km E ( 69 deg) of KBS
WESTERN AUSTRALIA
182 km E ( 73 deg) of PERTH
18 km N (348 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 1.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 10.00 0.20 0.80 10.22 -0.22 15.5 151 18.9 18.9
BAL e P 27.20 0.10 0.86 27.16 0.04 133.4 315 -30.8 30.8
BAL e S 42.00 0.10 0.77 42.57 -0.57 133.4 315 2.3 2.3
MUN e P 29.60 0.20 0.74 29.56 0.04 150.5 247 -30.8 30.8
MUN e S 47.30 0.20 0.67 47.30 -0.00 150.5 247 2.0 2.0
NWAO e P 32.00 0.50 0.61 31.87 0.13 167.0 194 -30.8 30.8
NWAO e S 51.80 0.50 0.55 51.59 0.21 167.0 194 -23.9 23.9
MRWA e S 80.00 0.20 0.63 79.15 0.85 297.4 326 -40.3 40.3
MRWA e SMS 85.10 0.20 0.35 85.22 -0.12 297.4 326 -25.4 25.4
9 times used, S = 0.388
Velocity Ratios
BAL MUN NWAO
BAL 1.69 0.00 0.00
0.01 0.00 0.00
MUN 0.00 1.74 0.00
0.00 0.02 0.00
NWAO 0.00 0.00 1.75
0.00 0.00 0.05
Date 1997-03-27
Origin Time 1658 18.98 +- 0.36
Zone 50
Easting 564.36 +- 2.77 Longitude 117.678
Northing 6516.60 +- 2.02 Latitude -31.484
Depth 5.00 +- 4.88 N
Arrival times = 17 S.D. = 0.392 Seismographs = 7
Nearest recorder = 14.3 km Gap = 88.8 deg Accuracy = B
Effects Code = Imax = 0 Fault =
2 km E ( 98 deg) of KBS
WESTERN AUSTRALIA
181 km E ( 74 deg) of PERTH
17 km N (346 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 3.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 21.20 0.10 1.03 21.47 -0.27 14.3 147 20.3 20.3
KLB e S 23.00 0.10 0.92 23.19 -0.19 14.3 147 20.3 20.3
BAL i+P 40.40 0.10 1.23 40.57 -0.17 134.3 316 -30.8 30.8
BAL i S 56.00 0.10 1.11 56.09 -0.09 134.3 316 2.3 2.3
MUN i+P 42.90 0.10 1.22 42.71 0.19 149.6 248 -30.8 30.8
MUN i S 60.30 0.10 1.10 60.33 -0.03 149.6 248 2.0 2.0
NWAO e P 45.10 0.20 0.74 44.92 0.18 165.4 194 -30.8 30.8
NWAO e S 65.00 0.20 0.66 64.46 0.54 165.4 194 -23.9 23.9
MRWA i-P 61.00 0.10 1.14 61.20 -0.20 298.6 326 -42.2 42.2
MRWA e PMP 64.00 0.10 0.48 63.93 0.07 298.6 326 -31.8 31.8
MRWA e SMP 68.90 0.10 0.40 69.51 -0.61 298.6 326 -59.6 31.1
MRWA e SMS 98.90 0.10 0.40 98.78 0.12 298.6 326 -25.4 25.4
MEEK e P 91.60 0.50 0.55 90.98 0.62 544.6 9 -42.2 42.2
MEEK e S 145.80 0.50 0.49 144.51 1.29 544.6 9 -40.3 40.3
WARB e P 152.70 0.50 0.51 152.94 -0.24 1057.1 58 -42.2 42.2
WARB e S 253.50 0.50 0.46 252.39 1.11 1057.1 58 -40.3 40.3
WARB e SG 310.10 1.00 0.40 311.00 -0.90 1057.1 58 0.3 0.3
17 times used, S = 0.392
Deferred Data
MRWA e S 94.00 0.10 0.72 92.67 1.33 298.6 326 -40.3 40.3
Velocity Ratios
KLB BAL MUN NWAO MEEK WARB
KLB 1.81 1.72 1.72 1.76 1.74 1.75
0.13 0.03 0.03 0.04 0.02 0.01
BAL 1.72 1.73 0.00 1.91 1.75 1.76
0.03 0.01 0.00 0.20 0.03 0.01
MUN 1.72 0.00 1.73 0.00 1.76 1.76
0.03 0.00 0.01 0.00 0.03 0.02
NWAO 1.76 1.91 0.00 1.76 1.74 1.75
0.04 0.20 0.00 0.02 0.04 0.02
MEEK 1.74 1.75 1.76 1.74 1.75 1.76
0.02 0.03 0.03 0.04 0.02 0.05
WARB 1.75 1.76 1.76 1.75 1.76 1.75
0.01 0.01 0.02 0.02 0.05 0.01
Date 1997-03-27
Origin Time 1708 25.46 +- 0.71
Zone 50
Easting 565.06 +- 6.61 Longitude 117.685
Northing 6517.54 +- 3.32 Latitude -31.475
Depth 5.00 +- 8.31 N
Arrival times = 10 S.D. = 0.386 Seismographs = 5
Nearest recorder = 14.8 km Gap = 184.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
3 km E ( 81 deg) of KBS
WESTERN AUSTRALIA
182 km E ( 74 deg) of PERTH
18 km N (349 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 2.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 29.50 0.20 0.80 29.80 -0.30 14.8 151 19.7 19.7
BAL e P 47.10 0.10 0.86 47.03 0.07 134.1 315 -30.8 30.8
BAL e S 62.10 0.10 0.77 62.53 -0.43 134.1 315 2.3 2.3
MUN e P 49.20 0.10 0.85 49.34 -0.14 150.6 247 -30.8 30.8
MUN e S 67.00 0.10 0.77 67.09 -0.09 150.6 247 2.0 2.0
NWAO e P 52.00 0.20 0.73 51.56 0.44 166.4 194 -30.8 30.8
NWAO e S 71.40 0.10 0.76 71.22 0.18 166.4 194 -23.9 23.9
MRWA e P 67.30 0.20 0.70 67.64 -0.34 298.2 326 -42.2 42.2
MRWA e S 100.00 0.20 0.63 99.07 0.93 298.2 326 -40.3 40.3
MRWA e SMS 105.20 0.10 0.40 105.17 0.03 298.2 326 -25.4 25.4
10 times used, S = 0.386
Velocity Ratios
BAL MUN NWAO MRWA
BAL 1.69 0.00 1.90 1.88
0.01 0.00 0.17 0.04
MUN 0.00 1.75 0.00 1.82
0.00 0.01 0.00 0.05
NWAO 1.90 0.00 1.73 1.87
0.17 0.00 0.02 0.07
MRWA 1.88 1.82 1.87 1.78
0.04 0.05 0.07 0.01
Date 1997-03-27
Origin Time 1714 1.86 +- 1.11
Zone 50
Easting 565.87 +- 7.70 Longitude 117.693
Northing 6517.39 +- 5.19 Latitude -31.476
Depth 5.00 +- 12.86 N
Arrival times = 9 S.D. = 0.223 Seismographs = 5
Nearest recorder = 14.3 km Gap = 187.3 deg Accuracy = B
Effects Code = Imax = 0 Fault =
4 km E ( 85 deg) of KBS
WESTERN AUSTRALIA
182 km E ( 74 deg) of PERTH
17 km N (352 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 2.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 6.00 0.20 0.80 6.06 -0.06 14.3 153 20.4 20.4
BAL e P 23.50 0.20 0.75 23.51 -0.01 134.7 315 -30.8 30.8
BAL e S 39.00 0.50 0.56 39.11 -0.11 134.7 315 2.3 2.3
MUN e P 25.60 0.20 0.74 25.83 -0.23 151.3 247 -30.8 30.8
MUN e S 43.80 0.50 0.56 43.68 0.12 151.3 247 2.0 2.0
NWAO e P 28.50 1.00 0.53 27.96 0.54 166.5 194 -30.8 30.8
NWAO e S 47.50 0.50 0.55 47.63 -0.13 166.5 194 -23.9 23.9
NWAO e SG 48.00 0.30 0.55 47.88 0.12 166.5 194 1.8 1.8
MRWA e SMS 82.00 0.20 0.35 81.70 0.30 298.7 326 -25.4 25.4
9 times used, S = 0.223
Velocity Ratios
BAL MUN NWAO
BAL 1.72 0.00 0.00
0.04 0.00 0.00
MUN 0.00 1.77 0.00
0.00 0.04 0.00
NWAO 0.00 0.00 1.71
0.00 0.00 0.09
Date 1997-03-28
Origin Time 0222 24.69 +- 2.26
Zone 50
Easting 565.13 +- 15.30 Longitude 117.686
Northing 6517.32 +- 12.57 Latitude -31.477
Depth 5.00 +- 23.11 N
Arrival times = 7 S.D. = 0.563 Seismographs = 5
Nearest recorder = 14.5 km Gap = 184.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
3 km E ( 85 deg) of KBS
WESTERN AUSTRALIA
182 km E ( 74 deg) of PERTH
17 km N (349 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 1.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 28.80 0.30 0.74 28.97 -0.17 14.5 151 20.0 20.0
BAL e S 61.00 0.50 0.56 61.81 -0.81 134.3 315 2.3 2.3
MUN e P 48.30 0.20 0.74 48.56 -0.26 150.6 247 -30.8 30.8
MUN e S 66.50 1.00 0.48 66.32 0.18 150.6 247 2.0 2.0
NWAO e S 70.80 0.50 0.55 70.40 0.40 166.2 194 -23.9 23.9
MRWA e S 99.30 0.30 0.58 98.35 0.95 298.4 326 -40.3 40.3
MRWA e SMS 104.50 0.20 0.35 104.45 0.05 298.4 326 -25.4 25.4
7 times used, S = 0.563
Velocity Ratios
MUN
MUN 1.77
0.06
Date 1997-03-28
Origin Time 0552 25.56 +- 1.91
Zone 50
Easting 564.13 +- 15.77 Longitude 117.675
Northing 6517.72 +- 9.64 Latitude -31.473
Depth 5.00 +- 23.46 N
Arrival times = 8 S.D. = 0.452 Seismographs = 5
Nearest recorder = 15.4 km Gap = 181.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
2 km E ( 74 deg) of KBS
WESTERN AUSTRALIA
181 km E ( 73 deg) of PERTH
18 km N (346 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 1.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 30.00 0.30 0.74 30.05 -0.05 15.4 148 19.0 19.0
BAL w P 46.50 2.00 0.48 47.01 -0.51 133.3 315 -30.8 30.8
BAL e S 61.90 0.30 0.62 62.40 -0.50 133.3 315 2.3 2.3
MUN e P 49.20 0.20 0.74 49.32 -0.12 149.8 247 -30.8 30.8
MUN e S 67.10 0.20 0.67 66.96 0.14 149.8 247 2.0 2.0
NWAO e S 71.40 0.50 0.55 71.30 0.10 166.4 194 -23.9 23.9
MRWA e S 100.00 0.30 0.58 99.02 0.98 297.5 326 -40.3 40.3
MRWA e SMS 105.00 0.20 0.35 105.10 -0.10 297.5 326 -25.4 25.4
8 times used, S = 0.452
Velocity Ratios
BAL MUN
BAL 1.74 0.00
0.20 0.00
MUN 0.00 1.76
0.00 0.02
Date 1997-03-28
Origin Time 0916 24.10 +- 2.58
Zone 50
Easting 568.23 +- 19.14 Longitude 117.718
Northing 6520.24 +- 9.37 Latitude -31.450
Depth 5.00 +- 20.54 N
Arrival times = 7 S.D. = 0.231 Seismographs = 4
Nearest recorder = 16.2 km Gap = 211.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
7 km NE ( 64 deg) of KBS
WESTERN AUSTRALIA
186 km E ( 73 deg) of PERTH
20 km N (359 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 1.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 28.80 0.50 0.66 28.80 0.00 16.2 165 18.2 18.2
BAL e P 46.00 0.20 0.75 45.71 0.29 134.4 313 -30.8 30.8
BAL e S 61.10 0.20 0.67 61.26 -0.16 134.4 313 2.3 2.3
MUN e P 48.20 0.20 0.74 48.53 -0.33 154.6 247 -30.8 30.8
MUN e S 67.00 0.20 0.67 66.82 0.18 154.6 247 1.9 1.9
NWAO e P 50.60 1.00 0.53 50.68 -0.08 169.9 195 -30.8 30.8
NWAO e S 70.80 0.50 0.55 70.70 0.10 169.9 195 -40.3 40.3
7 times used, S = 0.231
Velocity Ratios
BAL MUN NWAO
BAL 1.69 0.00 0.00
0.02 0.00 0.00
MUN 0.00 1.78 0.00
0.00 0.02 0.00
NWAO 0.00 0.00 1.76
0.00 0.00 0.09
Date 1997-03-29
Origin Time 0725 15.27 +- 0.71
Zone 50
Easting 564.14 +- 6.60 Longitude 117.675
Northing 6519.24 +- 4.08 Latitude -31.460
Depth 5.00 +- 9.41 N
Arrival times = 10 S.D. = 0.398 Seismographs = 5
Nearest recorder = 16.7 km Gap = 184.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
3 km NE ( 49 deg) of KBS
WESTERN AUSTRALIA
181 km E ( 73 deg) of PERTH
19 km N (347 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 2.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 19.70 0.30 0.73 20.11 -0.41 16.7 151 17.6 17.6
BAL i-P 36.80 0.10 1.23 36.57 0.23 132.2 315 -30.8 30.8
BAL i S 51.40 0.10 1.11 51.82 -0.42 132.2 315 2.3 2.3
MUN e P 39.10 0.10 0.85 39.12 -0.02 150.4 247 -30.8 30.8
MUN i S 56.90 0.10 1.09 56.84 0.06 150.4 247 2.0 2.0
NWAO e P 42.50 1.00 0.53 41.56 0.94 167.9 194 -30.8 30.8
NWAO e S 61.00 0.50 0.55 61.38 -0.38 167.9 194 -23.9 23.9
MRWA e P 57.20 0.50 0.58 57.21 -0.01 296.2 326 -42.2 42.2
MRWA e S 89.00 0.10 0.72 88.47 0.53 296.2 326 -40.3 40.3
MRWA e SMS 94.00 0.10 0.40 94.50 -0.50 296.2 326 -25.4 25.4
10 times used, S = 0.398
Velocity Ratios
BAL MUN NWAO MRWA
BAL 1.68 0.00 0.00 1.84
0.01 0.00 0.00 0.07
MUN 0.00 1.75 0.00 1.77
0.00 0.01 0.00 0.07
NWAO 0.00 0.00 1.68 0.00
0.00 0.00 0.08 0.00
MRWA 1.84 1.77 0.00 1.76
0.07 0.07 0.00 0.02
Date 1997-03-30
Origin Time 1719 2.49 +- 5.56
Zone 50
Easting 566.59 +- 25.22 Longitude 117.701
Northing 6520.81 +- 12.49 Latitude -31.445
Depth 5.00 +- 34.20 N
Arrival times = 6 S.D. = 0.248 Seismographs = 4
Nearest recorder = 17.2 km Gap = 194.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
6 km NE ( 52 deg) of KBS
WESTERN AUSTRALIA
184 km E ( 73 deg) of PERTH
21 km N (355 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 1.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB S-P 1.80 0.10 1.45 2.03 -0.23 17.2 160 0.0 0.0
BAL i P 24.10 0.10 1.23 23.87 0.23 132.8 314 -30.8 30.8
BAL i S 39.00 0.10 1.11 39.21 -0.21 132.8 314 2.3 2.3
MUN i P 26.90 0.10 1.21 26.73 0.17 153.3 246 -30.8 30.8
MUN i S 44.80 0.10 1.09 44.85 -0.05 153.3 246 2.0 2.0
MRWA e P 44.00 0.10 0.80 44.43 -0.43 296.3 326 -42.2 42.2
6 times used, S = 0.248
Deferred Data
MRWA e S 82.00 0.10 0.72 75.70 6.30 296.3 326 -40.3 40.3
Velocity Ratios
BAL MUN
BAL 1.69 0.00
0.01 0.00
MUN 0.00 1.73
0.00 0.01