Data Report
Bulletin / 1988
Contributed by CUPWA
Start
Date 1988-01-01
Origin Time 0901 12.61 +- 0.93
Zone 50
Easting 582.67 +- 5.47 Longitude 117.863
Northing 6604.52 +- 3.02 Latitude -30.689
Depth 4.87 +- 4.11
Arrival times = 10 S.D. = 0.196 Seismographs = 5
Nearest recorder = 100.5 km Gap = 233.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
13 km N ( 1 deg) of BENC
WESTERN AUSTRALIA
237 km NE ( 54 deg) of PERTH
15 km N ( 5 deg) of Bencubbin
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.8
PHASE INFORMATION
DATA USED
BAL i-P 30.90 0.10 1.25 30.77 0.13 111.2 274 2.7 2.7
BAL i PMP 32.30 0.10 0.75 32.22 0.08 111.2 274 -39.7 39.7
BAL e S 43.20 0.20 0.68 43.36 -0.16 111.2 274 2.7 2.7
BAL SN 46.50 0.50 0.54 46.88 -0.38 111.2 274 -40.3 40.3
KLB i+P 29.10 0.10 1.26 29.03 0.07 100.5 185 2.9 2.9
KLB e SG 40.00 0.20 0.69 40.42 -0.42 100.5 185 2.9 2.9
MEKA i P 77.50 0.20 0.95 73.93 3.57 456.2 8 -42.2 42.2
MRWA i+P 47.90 0.10 1.16 48.12 -0.22 243.0 311 -42.2 42.2
MRWA PMP 50.30 0.30 0.56 49.89 0.41 243.0 311 -32.4 32.4
MRWA e SN 75.00 0.50 0.35 74.62 0.38 243.0 311 -40.3 40.3
MUN i+P 44.60 0.10 1.18 44.45 0.15 212.6 227 -42.2 42.2
MUN e SN 67.00 0.30 0.40 68.22 -1.22 212.6 227 -40.3 40.3
MUN i S2 69.80 0.20 0.51 70.04 -0.24 212.6 227 -23.9 23.9
NWAO i+P 49.60 0.10 1.16 49.59 0.01 255.1 193 -42.2 42.2
NWAO e PG 55.20 0.40 0.62 54.23 0.97 255.1 193 1.2 1.2
NWAO S2 80.90 0.10 0.58 80.76 0.14 255.1 193 -23.9 23.9
RKG i P 73.30 0.10 1.10 71.66 1.64 437.6 190 -42.2 42.2
RKG PG 81.00 1.00 0.69 84.00 -3.00 437.6 190 0.7 0.7
RKG SMS 129.00 0.40 0.42 127.28 1.72 437.6 190 -24.5 24.5
Velocity Ratios
BAL
BAL 1.67
0.02
Start
Date 1988-01-19
Origin Time 0857 43.03 +- 2.90
Zone 50
Easting 545.97 +- 29.38 Longitude 117.482
Northing 6552.23 +- 14.94 Latitude -31.163
Depth 0.75 +- 53.30
Arrival times = 9 S.D. = 0.197 Seismographs = 6
Nearest recorder = 11.0 km Gap = 171.2 deg Accuracy = A
Effects Code = Imax = 0 Fault =
11 km NW (317 deg) of WYAL
WESTERN AUSTRALIA
178 km NE ( 61 deg) of PERTH
37 km S (180 deg) of Koorda
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.0
PHASE INFORMATION
DATA USED
KLB e P 52.00 0.10 0.93 51.90 0.10 54.4 151 1.1 1.1
KLB e S 57.80 0.20 0.73 58.05 -0.25 54.4 151 1.1 1.1
MRWA PMP 83.50 0.50 0.50 82.83 0.67 258.7 326 -32.3 32.3
MRWA SG 114.50 0.10 1.04 114.49 0.01 258.7 326 0.2 0.2
MUN e PG 67.30 0.10 0.85 67.65 -0.35 150.9 232 0.4 0.4
MUN e SG 85.00 0.20 0.67 84.73 0.27 150.9 232 0.4 0.4
NWAO e P 73.50 0.10 0.83 73.42 0.08 196.9 186 -42.2 42.2
NWAO e S 96.00 0.20 0.65 96.07 -0.07 196.9 186 -40.3 40.3
RKG PMP 102.00 0.20 0.58 99.69 2.31 380.3 186 -31.4 31.4
RKG SMS 144.80 0.20 0.49 143.78 1.02 380.3 186 -24.8 24.8
RKG e SG 148.20 0.10 0.70 148.07 0.13 380.3 186 0.2 0.2
WYAL S-P 1.00 5.00 0.68 1.25 -0.25 11.0 137 0.0 0.0
WYAL i P 45.00 5.00 0.68 44.84 0.16 11.0 137 5.5 5.5
Velocity Ratios
KLB NWAO
KLB 1.65 1.78
0.04 0.04
NWAO 1.78 1.74
0.04 0.01
Start
Date 1988-01-28
Origin Time 0146 31.33 +- 1.42
Zone 50
Easting 847.34 +- 23.68 Longitude 120.336
Northing 7697.02 +- 20.48 Latitude -20.794
Depth 34.21 +- 32.68
Arrival times = 11 S.D. = 0.979 Seismographs = 8
Nearest recorder = 66.2 km Gap = 166.3 deg Accuracy = B
Effects Code = Imax = 0 Fault =
66 km NE ( 52 deg) of MBL
WESTERN AUSTRALIA
191 km E (107 deg) of PORT HEDLAND
74 km NE ( 56 deg) of Marble Bar
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 4.8
PHASE INFORMATION
DATA USED
ASPA i+P 209.60 0.20 0.87 210.85 -1.25 1455.3 105 -30.3 42.2
ASPA e S 344.80 0.50 0.46 343.98 0.82 1455.3 105 -33.5 40.3
BAL e P 173.00 0.50 0.51 173.45 -0.45 1146.3 197 -30.3 42.2
BAL e S 278.00 1.00 0.40 278.87 -0.87 1146.3 197 -33.5 40.3
KLB e P 183.00 0.50 0.51 182.82 0.18 1223.8 191 -30.3 42.2
KLB e S 293.00 1.00 0.40 295.19 -2.19 1223.8 191 -33.5 40.3
KNA e P 164.00 0.50 0.51 163.06 0.94 1060.5 59 -30.3 42.2
KNA e S 265.00 1.00 0.40 260.77 4.23 1060.5 59 -33.5 40.3
MBL i+P 42.70 0.10 1.30 42.62 0.08 66.2 231 20.7 36.6
MEKA e P 116.00 1.00 0.47 115.96 0.04 670.6 195 -30.3 42.2
MEKA e S 179.00 1.00 0.42 178.76 0.24 670.6 195 -33.5 40.3
MRWA e P 158.00 0.50 0.51 159.46 -1.46 1030.6 204 -30.3 42.2
MRWA e S 252.00 1.00 0.40 254.51 -2.51 1030.6 204 -33.5 40.3
MTN i+P 211.90 0.20 0.87 211.94 -0.04 1464.8 54 -30.3 42.2
MTN e S 346.00 1.00 0.40 345.87 0.13 1464.8 54 -33.5 40.3
MUN e P 192.00 0.50 0.51 192.69 -0.69 1305.5 197 -30.3 42.2
MUN e S 311.00 1.00 0.40 312.37 -1.37 1305.5 197 -33.5 40.3
NANU e P 100.00 0.50 0.55 99.72 0.28 536.7 247 -30.3 42.2
NWAO e P 201.00 0.50 0.51 201.61 -0.61 1379.2 192 -30.3 42.2
NWAO e S 327.00 1.00 0.40 327.89 -0.89 1379.2 192 -33.5 40.3
WARB e P 144.00 0.50 0.52 141.59 2.41 882.6 134 -30.3 42.2
Velocity Ratios
MEKA ASPA MTN
MEKA 1.74 1.77 1.74
0.03 0.04 0.04
ASPA 1.77 1.76 0.00
0.04 0.00 0.00
MTN 1.74 0.00 1.74
0.04 0.00 0.01
Start
Date 1988-01-28
Origin Time 1533 44.77 +- 0.62
Zone 50
Easting 506.18 +- 3.63 Longitude 117.065
Northing 6491.41 +- 6.30 Latitude -31.713
Depth 4.61 +- 16.83
Arrival times = 8 S.D. = 0.208 Seismographs = 5
Nearest recorder = 67.2 km Gap = 94.7 deg Accuracy = B
Effects Code = Imax = 0 Fault =
31 km SE (114 deg) of YORK
WESTERN AUSTRALIA
118 km E ( 77 deg) of PERTH
11 km SE (150 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.0
PHASE INFORMATION
DATA USED
BAL e P 65.50 0.20 0.75 65.41 0.09 127.2 344 -30.8 30.8
BAL e S 79.50 0.40 0.59 79.95 -0.45 127.2 344 2.2 2.2
KLB i P 55.70 0.10 1.30 55.77 -0.07 67.2 78 4.2 4.2
KLB e S 63.30 0.20 0.71 63.39 -0.09 67.2 78 4.2 4.2
MRWA e P 87.70 0.30 0.64 86.59 1.11 294.9 339 -42.2 42.2
MRWA SMS 123.00 1.00 0.36 123.70 -0.70 294.9 339 -25.4 25.4
MUN i P 58.80 0.10 1.28 58.87 -0.07 86.3 249 3.2 3.2
MUN e S 68.90 0.30 0.65 68.64 0.26 86.3 249 3.2 3.2
NWAO e P 66.50 0.10 0.86 66.57 -0.07 135.5 173 -30.8 30.8
NWAO e S 82.70 0.50 0.56 82.23 0.47 135.5 173 2.1 2.1
RKG PMP 93.00 0.40 0.52 92.29 0.71 316.8 180 -31.7 31.7
RKG SMS 130.00 1.00 0.36 129.18 0.82 316.8 180 -25.2 25.2
WYAL i P 56.70 0.50 0.94 56.34 0.36 70.8 41 4.0 4.0
WYAL i S 63.50 1.00 0.74 64.37 -0.87 70.8 41 4.0 4.0
Velocity Ratios
KLB MUN BAL
KLB 1.70 0.00 1.65
0.03 0.00 0.12
MUN 0.00 1.72 1.58
0.00 0.03 0.18
BAL 1.65 1.58 1.68
0.12 0.18 0.04
Start
Date 1988-01-29
Origin Time 0330 19.00 +- 0.52
Zone 50
Easting 548.56 +- 4.40 Longitude 117.510
Northing 6549.19 +- 4.29 Latitude -31.190
Depth 1.13 +- 8.72
Arrival times = 9 S.D. = 0.241 Seismographs = 6
Nearest recorder = 7.0 km Gap = 186.1 deg Accuracy = A
Effects Code = Imax = 0 Fault =
7 km NW (316 deg) of WYAL
WESTERN AUSTRALIA
179 km NE ( 62 deg) of PERTH
40 km S (176 deg) of Koorda
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.3
PHASE INFORMATION
DATA USED
BAL i+P 35.40 0.10 1.26 35.37 0.03 100.4 310 0.8 0.8
KLB e P 27.40 0.10 0.93 27.23 0.17 50.5 152 1.6 1.6
KLB e S 33.10 0.20 0.73 32.94 0.16 50.5 152 1.6 1.6
KLGA SG 124.00 0.40 0.76 123.75 0.25 379.2 83 0.2 0.2
MRWA PMP 58.80 0.20 0.60 59.32 -0.52 262.7 326 -32.2 32.2
MRWA e SMS 90.00 0.30 0.32 90.33 -0.33 262.7 326 -26.0 26.0
MRWA e SBS 93.50 0.30 0.39 92.28 1.22 262.7 326 -8.1 8.1
MUN i-P 43.20 0.10 1.22 43.29 -0.09 151.2 234 -30.8 30.8
MUN e S 60.80 0.20 0.67 60.78 0.02 151.2 234 0.5 0.5
NWAO e P 48.90 0.20 0.72 49.02 -0.12 194.2 187 -42.2 42.2
NWAO e S 71.10 0.30 0.60 71.41 -0.31 194.2 187 -40.3 40.3
RKG e P 72.00 0.40 0.59 71.20 0.80 377.6 186 -42.2 42.2
RKG PMP 77.40 0.20 0.58 75.26 2.14 377.6 186 -31.4 31.4
RKG SMS 118.30 0.30 0.45 119.02 -0.72 377.6 186 -24.8 24.8
RKG i SG 124.00 0.20 0.88 123.30 0.70 377.6 186 0.2 0.2
WYAL S-P 1.00 1.00 0.97 0.81 0.19 7.0 136 0.0 0.0
WYAL i P 20.00 0.30 1.23 20.17 -0.17 7.0 136 11.5 11.5
Velocity Ratios
KLB MUN NWAO
KLB 1.68 1.75 1.77
0.04 0.05 0.05
MUN 1.75 1.73 1.81
0.05 0.02 0.19
NWAO 1.77 1.81 1.74
0.05 0.19 0.02
Start
Date 1988-02-04
Origin Time 2148 50.31 +- 0.41
Zone 50
Easting 508.50 +- 4.08 Longitude 117.089
Northing 6594.58 +- 3.72 Latitude -30.782
Depth 2.76 +- 8.14
Arrival times = 9 S.D. = 0.176 Seismographs = 5
Nearest recorder = 41.4 km Gap = 169.9 deg Accuracy = B
Effects Code = Imax = 0 Fault =
4 km W (252 deg) of CADX
WESTERN AUSTRALIA
175 km NE ( 43 deg) of PERTH
4 km W (252 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
PHASE INFORMATION
DATA USED
BAL i-P 57.00 0.10 1.35 57.08 -0.08 41.4 297 4.2 4.2
BAL e S 62.00 0.20 0.74 61.78 0.22 41.4 297 4.2 4.2
KLB i-PG 68.40 0.10 1.25 68.30 0.10 110.2 144 1.6 1.6
KLB e SG 81.00 0.20 0.69 80.77 0.23 110.2 144 1.6 1.6
MRWA e P 81.40 0.10 0.83 81.20 0.20 202.8 328 -42.2 42.2
MRWA i PG 83.30 0.30 0.95 83.40 -0.10 202.8 328 0.9 0.9
MRWA e S 104.00 0.50 0.54 104.24 -0.24 202.8 328 -40.3 40.3
MUN e P 75.20 0.10 0.85 75.24 -0.04 156.8 211 -30.8 30.8
MUN e PG 75.20 0.10 0.85 75.90 -0.70 156.8 211 1.1 1.1
MUN e SG 93.60 0.20 0.66 93.64 -0.04 156.8 211 1.1 1.1
NWAO e SMS 115.10 0.40 0.31 115.36 -0.26 238.1 176 -26.5 26.5
WYAL i P 61.10 0.30 1.05 61.34 -0.24 67.6 138 2.6 2.6
Velocity Ratios
BAL MRWA
BAL 1.75 1.72
0.06 0.04
MRWA 1.72 1.73
0.04 0.02
Start
Date 1988-02-08
Origin Time 0849 46.78 +- 0.70
Zone 50
Easting 504.96 +- 3.50 Longitude 117.052
Northing 6497.68 +- 7.16 Latitude -31.656
Depth -0.11 +- 553.22
Arrival times = 7 S.D. = 0.149 Seismographs = 4
Nearest recorder = 67.1 km Gap = 161.5 deg Accuracy = A
Effects Code = Imax = 0 Fault =
28 km E (104 deg) of YORK
WESTERN AUSTRALIA
118 km E ( 74 deg) of PERTH
5 km SE (126 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL e PG 66.80 0.20 0.76 66.50 0.30 120.9 344 0.1 0.1
BAL e S 80.00 0.40 0.59 80.17 -0.17 120.9 344 0.1 0.1
KLB e P 57.80 0.10 0.91 57.79 0.01 67.5 84 0.2 0.2
KLB e S 65.50 0.10 0.82 65.43 0.07 67.5 84 0.2 0.2
MUN i-P 61.00 0.10 1.27 61.06 -0.06 87.5 245 0.1 0.1
MUN i S 71.00 0.20 1.00 70.96 0.04 87.5 245 0.1 0.1
WYAL e P 57.50 0.30 0.73 57.73 -0.23 67.1 46 0.2 0.2
WYAL e S 64.50 0.40 0.62 65.32 -0.82 67.1 46 0.2 0.2
Velocity Ratios
KLB MUN
KLB 1.70 0.00
0.02 0.00
MUN 0.00 1.70
0.00 0.03
Start
Date 1988-02-11
Origin Time 1252 39.26 +- 0.37
Zone 50
Easting 548.05 +- 3.01 Longitude 117.504
Northing 6547.30 +- 2.66 Latitude -31.207
Depth 2.59 +- 6.59
Arrival times = 9 S.D. = 0.137 Seismographs = 5
Nearest recorder = 6.3 km Gap = 169.6 deg Accuracy = A
Effects Code = Imax = 0 Fault =
6 km NW (300 deg) of WYAL
WESTERN AUSTRALIA
177 km NE ( 63 deg) of PERTH
42 km S (177 deg) of Koorda
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.6
PHASE INFORMATION
DATA USED
BAL i-P 55.90 0.10 1.26 55.77 0.13 101.2 311 1.6 1.6
BAL e S 67.10 0.20 0.69 67.22 -0.12 101.2 311 1.6 1.6
KLB i+P 47.40 0.10 1.34 47.27 0.13 49.0 150 3.4 3.4
KLB e S 53.00 0.20 0.73 52.83 0.17 49.0 150 3.4 3.4
MEKA e P 110.70 0.20 0.66 108.38 2.32 518.6 11 -42.2 42.2
MRWA e PMP 80.00 0.20 0.42 79.63 0.37 264.0 326 -32.2 32.2
MRWA e SN 106.00 1.00 0.31 106.09 -0.09 264.0 326 -40.3 40.3
MRWA e SMS 110.00 0.40 0.31 110.73 -0.73 264.0 326 -26.0 26.0
MUN i+P 63.20 0.10 1.22 63.21 -0.01 149.7 234 -30.8 30.8
MUN e S 80.50 0.20 0.67 80.63 -0.13 149.7 234 1.1 1.1
NWAO i+P 68.80 0.10 1.19 68.89 -0.09 192.3 187 -42.2 42.2
NWAO e SG 92.40 0.30 0.60 92.38 0.02 192.3 187 0.8 0.8
RKG e P 92.00 0.20 0.68 91.06 0.94 375.6 186 -42.2 42.2
RKG e PMP 97.00 0.20 0.41 95.12 1.88 375.6 186 -31.4 31.4
RKG e PG 99.20 0.10 0.78 100.53 -1.33 375.6 186 0.4 0.4
RKG e SG 143.60 0.30 0.57 143.02 0.58 375.6 186 0.4 0.4
WYAL i P 40.20 0.30 1.24 40.38 -0.18 6.3 120 24.8 24.8
Velocity Ratios
KLB BAL MUN
KLB 1.69 1.66 1.74
0.05 0.09 0.05
BAL 1.66 1.67 1.84
0.09 0.02 0.11
MUN 1.74 1.84 1.72
0.05 0.11 0.02
Start
Date 1988-02-21
Origin Time 1234 8.92 +- 0.34
Zone 50
Easting 513.13 +- 3.50 Longitude 117.137
Northing 6577.23 +- 2.28 Latitude -30.938
Depth 0.67 +- 7.86
Arrival times = 11 S.D. = 0.196 Seismographs = 7
Nearest recorder = 52.2 km Gap = 159.6 deg Accuracy = A
Effects Code = Imax = 0 Fault =
17 km S (182 deg) of CA1
WESTERN AUSTRALIA
166 km NE ( 48 deg) of PERTH
10 km S (160 deg) of Manmanning
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.5
PHASE INFORMATION
DATA USED
BAL i P 18.00 0.10 1.32 17.93 0.07 55.2 311 1.0 1.0
BAL e S 24.00 0.20 0.73 24.17 -0.17 55.2 311 1.0 1.0
KLB i P 24.50 0.10 1.27 24.19 0.31 93.6 141 0.6 0.6
KLB i S 34.70 0.30 0.92 34.78 -0.08 93.6 141 0.6 0.6
MRWA i P 42.10 0.10 1.18 42.13 -0.03 220.1 329 -42.2 42.2
MRWA PMP 42.90 0.10 0.71 43.42 -0.52 220.1 329 -32.9 32.9
MRWA SG 68.00 0.40 0.80 69.72 -1.72 220.1 329 0.3 0.3
MUN i-PG 32.60 0.10 1.22 32.61 -0.01 145.2 217 0.4 0.4
MUN e SG 49.00 0.30 0.62 49.03 -0.03 145.2 217 0.4 0.4
NWAO e P 42.00 0.30 0.66 42.18 -0.18 220.6 177 -42.2 42.2
NWAO SG 69.80 0.10 1.06 69.86 -0.06 220.6 177 0.2 0.2
RKG e P 64.50 0.30 0.62 64.22 0.28 402.8 181 -42.2 42.2
RKG SMS 117.00 0.40 0.42 115.33 1.67 402.8 181 -24.7 24.7
RKG SG 120.50 0.50 0.72 120.18 0.32 402.8 181 0.1 0.1
WYAL P 17.10 0.30 1.07 17.43 -0.33 52.2 129 1.1 1.1
Velocity Ratios
BAL KLB
BAL 1.66 1.65
0.04 0.13
KLB 1.65 1.65
0.13 0.03
Start
Date 1988-03-14
Origin Time 0748 24.34 +- 0.75
Zone 50
Easting 480.74 +- 4.60 Longitude 116.799
Northing 6621.19 +- 3.62 Latitude -30.541
Depth 3.38 +- 10.40
Arrival times = 7 S.D. = 0.039 Seismographs = 5
Nearest recorder = 11.4 km Gap = 170.1 deg Accuracy = A
Effects Code = Imax = 0 Fault =
11 km NE ( 50 deg) of BAL
WESTERN AUSTRALIA
180 km NE ( 30 deg) of PERTH
7 km NE ( 23 deg) of Ballidu
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.6
PHASE INFORMATION
DATA USED
BAL S-P 2.00 0.10 1.49 1.36 0.64 11.4 230 0.0 0.0
BAL i-P 26.30 0.10 1.49 26.30 -0.00 11.4 230 17.8 17.8
KLB e P 48.00 0.10 0.85 48.01 -0.01 148.2 142 -30.8 30.8
KLB S 65.30 0.30 0.88 65.28 0.02 148.2 142 1.4 1.4
MBL e P 160.00 0.50 0.51 161.55 -1.55 1082.7 16 -42.2 42.2
MBL e S 260.00 1.00 0.40 263.39 -3.39 1082.7 16 -40.3 40.3
MEKA e P 89.30 0.30 0.61 87.12 2.18 466.9 21 -42.2 42.2
MEKA S 137.00 1.00 0.62 133.80 3.20 466.9 21 -40.3 40.3
MEKA SG 153.00 1.00 0.62 153.32 -0.32 466.9 21 0.5 0.5
MRWA i-P 50.50 0.10 1.21 50.50 0.00 165.9 332 -30.8 30.8
MUN e P 51.00 0.10 0.84 50.92 0.08 168.9 199 -30.8 30.8
MUN i SG 71.00 0.10 1.08 71.01 -0.01 168.9 199 1.2 1.2
NANU e P 140.00 0.50 0.52 138.85 1.15 895.1 351 -42.2 42.2
NANU S 225.00 1.00 0.58 223.87 1.13 895.1 351 -40.3 40.3
NWAO e P 62.90 0.20 0.70 62.99 -0.09 267.5 171 -42.2 42.2
NWAO SG 97.00 1.00 0.66 98.26 -1.26 267.5 171 0.8 0.8
RKG e P 84.30 0.30 0.62 84.69 -0.39 447.0 177 -42.2 42.2
RKG e PMP 92.50 0.10 0.46 90.09 2.41 447.0 177 -31.2 31.2
RKG e S 130.00 1.00 0.44 129.58 0.42 447.0 177 -40.3 40.3
RKG e S2 143.00 0.50 0.28 141.13 1.87 447.0 177 -23.9 23.9
RKG i SG 146.50 0.10 0.99 147.83 -1.33 447.0 177 0.5 0.5
WARB i-P 161.90 0.30 0.81 161.50 0.40 1082.1 65 -42.2 42.2
WARB e S 266.00 1.00 0.40 263.31 2.69 1082.1 65 -40.3 40.3
Velocity Ratios
KLB
KLB 1.73
0.02
Start
Date 1988-05-26
Origin Time 1704 28.46 +- 1.15
Zone 50
Easting 488.58 +- 17.05 Longitude 116.884
Northing 6917.88 +- 12.43 Latitude -27.864
Depth 2.71 +- 11.77
Arrival times = 8 S.D. = 0.160 Seismographs = 4
Nearest recorder = 173.4 km Gap = 200.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
173 km NE ( 30 deg) of MRWA
WESTERN AUSTRALIA
464 km N ( 13 deg) of PERTH
98 km W (283 deg) of Mt Magnet
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.0
PHASE INFORMATION
DATA USED
BAL e P 72.40 0.30 0.64 72.14 0.26 304.4 183 -40.9 40.9
BAL PG 78.00 0.10 1.14 78.12 -0.12 304.4 183 0.6 0.6
BAL w SG 110.00 2.00 0.40 114.45 -4.45 304.4 183 0.6 0.6
KLB e P 86.80 0.20 0.67 86.60 0.20 421.7 168 -40.9 40.9
KLB e PG 96.00 0.50 0.56 97.25 -1.25 421.7 168 0.4 0.4
KLB w SN 129.00 1.00 0.30 130.52 -1.52 421.7 168 -39.8 39.8
KLB e SG 143.00 1.00 0.44 147.58 -4.58 421.7 168 0.4 0.4
KLGA P 102.00 0.50 0.78 101.69 0.31 544.0 126 -40.9 40.9
KLGA S 154.00 1.00 0.61 157.07 -3.07 544.0 126 -39.8 39.8
MEKA P 61.00 0.10 1.18 61.02 -0.02 214.0 49 -40.9 40.9
MEKA PG 63.50 0.50 0.85 63.37 0.13 214.0 49 0.9 0.9
MEKA e SG 88.70 0.50 0.54 88.92 -0.22 214.0 49 0.9 0.9
MRWA i+P 55.50 0.10 1.20 55.65 -0.15 173.4 209 -31.2 31.2
MRWA i PG 56.90 0.20 1.05 56.75 0.15 173.4 209 1.0 1.0
MRWA w S 75.00 2.00 0.42 76.02 -1.02 173.4 209 -29.6 29.6
MUN P 91.40 0.20 0.95 91.39 0.01 460.6 187 -40.9 40.9
MUN PG 103.00 0.50 0.79 103.60 -0.60 460.6 187 0.4 0.4
MUN S 137.50 1.00 0.62 138.95 -1.45 460.6 187 -39.8 39.8
MUN SG 154.00 1.00 0.62 158.57 -4.57 460.6 187 0.4 0.4
NANU P 110.00 0.50 0.77 109.21 0.79 605.3 346 -40.9 40.9
RKG P 126.40 0.20 0.91 126.26 0.14 743.3 179 -40.9 40.9
WARB P 157.00 0.50 0.73 156.60 0.40 989.2 81 -40.9 40.9
WARB S 251.50 1.00 0.57 253.66 -2.16 989.2 81 -39.8 39.8
NO VELOCITY RATIOS
Start
Date 1988-06-15
Origin Time 0913 45.86 +- 318.65
Zone 51
Easting 839.34 +- 24.87 Longitude 126.582
Northing 6482.24 +- 39.09 Latitude -31.745
Depth 2.00 +- 2909.95 N
Arrival times = 7 S.D. = 0.581 Seismographs = 7
Nearest recorder = 503.0 km Gap = 137.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
447 km E ( 96 deg) of KMBL
WESTERN AUSTRALIA
161 km W (267 deg) of EUCLA
57 km NE ( 54 deg) of Cocklebiddy
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 5.4
PHASE INFORMATION
DATA USED
ADE P 197.10 0.50 0.72 196.92 0.18 1195.6 110 -42.2 42.2
ASPA P 191.50 0.50 0.72 192.07 -0.57 1155.5 40 -42.2 42.2
CLV P 169.00 1.00 0.64 168.59 0.41 961.7 105 -42.2 42.2
HWK P 155.00 1.00 0.65 155.60 -0.60 854.3 78 -42.2 42.2
KLGA e P 112.60 0.10 0.76 113.15 -0.55 503.0 281 -42.2 42.2
KLGA e PG 124.50 1.00 0.48 127.93 -3.43 503.0 281 0.3 0.3
KLGA S 166.50 1.00 0.62 163.16 3.34 503.0 281 -40.3 40.3
MRWA P 177.00 0.50 0.73 179.87 -2.87 1054.9 282 -42.2 42.2
RKG e P 167.00 0.10 0.71 166.74 0.26 946.3 248 -42.2 42.2
RKG S 259.00 1.00 0.58 256.46 2.54 946.3 248 -40.3 40.3
WARB e P 127.80 0.10 0.74 126.95 0.85 617.1 0 -42.2 42.2
NO VELOCITY RATIOS
Start
Date 1988-06-16
Origin Time 2258 29.20 +- 55.21
Zone 51
Easting 431.13 +- 150.71 Longitude 122.266
Northing 6395.57 +- 155.17 Latitude -32.575
Depth 2.00 +- 561.83 N
Arrival times = 5 S.D. = 0.043 Seismographs = 3
Nearest recorder = 220.5 km Gap = 212.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
138 km S (165 deg) of KMBL
WESTERN AUSTRALIA
608 km E ( 98 deg) of PERTH
62 km SE (132 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 3.4
PHASE INFORMATION
DATA USED
KLGA e P 62.30 0.20 0.72 62.31 -0.01 220.5 339 -42.2 42.2
KLGA e S 87.00 0.50 0.54 87.00 0.00 220.5 339 -40.3 40.3
RKG i-P 100.50 0.20 0.94 100.49 0.01 536.2 244 -42.2 42.2
RKG S 156.40 0.50 0.70 153.46 2.94 536.2 244 -40.3 40.3
RKG SG 175.00 0.50 0.70 177.33 -2.33 536.2 244 0.2 0.2
WARB i-P 135.50 0.20 0.90 135.53 -0.03 825.9 31 -42.2 42.2
WARB e S 214.60 1.00 0.41 214.47 0.13 825.9 31 -40.3 40.3
WARB e SG 253.00 0.50 0.47 257.35 -4.35 825.9 31 0.2 0.2
Velocity Ratios
KLGA WARB
KLGA 1.75 1.74
0.03 0.03
WARB 1.74 1.74
0.03 0.01
Start
Date 1988-08-15
Origin Time 0413 34.15 +- 69.73
Zone 51
Easting 423.44 +- 197.99 Longitude 122.185
Northing 6401.86 +- 207.73 Latitude -32.518
Depth 2.00 +- 671.61 N
Arrival times = 5 S.D. = 0.560 Seismographs = 4
Nearest recorder = 206.3 km Gap = 210.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
130 km S (167 deg) of KMBL
WESTERN AUSTRALIA
600 km E ( 98 deg) of PERTH
52 km SE (133 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 3.7
PHASE INFORMATION
DATA USED
COOL i+P 65.10 0.10 1.18 65.56 -0.46 206.3 331 -42.2 42.2
MRWA S 193.00 1.00 0.60 192.22 0.78 696.8 300 -40.3 40.3
RKG i-P 105.10 0.10 1.08 104.95 0.15 532.2 243 -42.2 42.2
RKG S 161.00 1.00 0.61 157.57 3.43 532.2 243 -40.3 40.3
RKG e SG 185.00 1.00 0.43 181.17 3.83 532.2 243 0.2 0.2
WARB P 140.00 0.50 0.75 140.33 -0.33 824.6 32 -42.2 42.2
WARB S 220.00 0.50 0.67 219.16 0.84 824.6 32 -40.3 40.3
WARB e SG 285.00 1.00 0.41 261.95 23.05 824.6 32 0.2 0.2
Velocity Ratios
WARB
WARB 1.76
0.01
Start
Date 1988-10-21
Origin Time 1449 15.77 +- 0.58
Zone 50
Easting 499.52 +- 3.51 Longitude 116.995
Northing 6498.40 +- 4.23 Latitude -31.649
Depth 0.22 +- 17.10
Arrival times = 7 S.D. = 0.072 Seismographs = 5
Nearest recorder = 72.8 km Gap = 98.5 deg Accuracy = A
Effects Code = Imax = 0 Fault =
23 km E (105 deg) of YORK
WESTERN AUSTRALIA
113 km E ( 73 deg) of PERTH
3 km SW (214 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
BAL -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 2.8
PHASE INFORMATION
DATA USED
BAL i P 35.10 0.10 1.24 35.15 -0.05 118.8 346 0.3 0.3
BAL i S 48.00 0.10 1.12 48.59 -0.59 118.8 346 0.3 0.3
COOL e P 71.30 0.10 0.78 71.33 -0.03 404.3 78 -42.2 42.2
COOL PG 80.00 1.00 0.70 81.73 -1.73 404.3 78 0.1 0.1
COOL SN 112.00 1.00 0.42 112.62 -0.62 404.3 78 -40.3 40.3
COOL e SG 128.00 0.10 0.70 127.47 0.53 404.3 78 0.1 0.1
KLB i-P 27.60 0.10 1.29 27.65 -0.05 72.8 85 0.4 0.4
KLB i S 36.00 0.10 1.16 35.89 0.11 72.8 85 0.4 0.4
MEKA e P 94.00 1.00 0.47 92.27 1.73 577.5 15 -42.2 42.2
MEKA e S 150.00 2.00 0.37 149.09 0.91 577.5 15 -40.3 40.3
MRWA i P 57.00 0.10 1.15 57.00 0.00 286.0 340 -42.2 42.2
MRWA e PMP 59.60 0.30 0.39 59.40 0.20 286.0 340 -32.0 32.0
MRWA e PG 62.00 0.20 0.70 62.43 -0.43 286.0 340 0.1 0.1
MRWA e SMS 92.00 0.50 0.29 93.02 -1.02 286.0 340 -25.7 25.7
MUN i P 29.30 0.10 1.28 29.29 0.01 82.9 243 0.3 0.3
MUN i S 38.80 0.50 0.84 38.67 0.13 82.9 243 0.3 0.3
NWAO i+P 38.20 0.10 1.22 39.03 -0.83 143.3 171 -30.8 30.8
NWAO i S 55.30 0.10 1.10 55.37 -0.07 143.3 171 0.2 0.2
RKG w P 62.00 1.00 0.51 61.56 0.44 323.8 179 -42.2 42.2
RKG PG 67.00 1.00 0.72 68.59 -1.59 323.8 179 0.1 0.1
RKG e SN 96.00 0.50 0.35 95.62 0.38 323.8 179 -40.3 40.3
RKG e SMS 102.00 0.50 0.29 102.43 -0.43 323.8 179 -25.2 25.2
WARB e P 158.00 1.00 0.44 158.11 -0.11 1122.1 59 -42.2 42.2
WARB S 220.00 0.50 0.65 263.71 -43.71 1122.1 59 -40.3 40.3
WARB e S 265.00 1.00 0.40 263.71 1.29 1122.1 59 -40.3 40.3
Velocity Ratios
KLB MUN
KLB 1.71 0.00
0.02 0.00
MUN 0.00 1.70
0.00 0.05
Start
Date 1988-12-20
Origin Time 1458 26.11 +- 0.28
Zone 50
Easting 506.53 +- 1.93 Longitude 117.069
Northing 6493.20 +- 1.64 Latitude -31.696
Depth 8.18 +- 5.45
Arrival times = 14 S.D. = 0.198 Seismographs = 8
Nearest recorder = 39.3 km Gap = 93.9 deg Accuracy = A
Effects Code = Imax = 0 Fault =
31 km E (111 deg) of YORK
WESTERN AUSTRALIA
119 km E ( 77 deg) of PERTH
9 km SE (143 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
BAL -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.6
PHASE INFORMATION
DATA USED
BAL e P 46.30 0.10 0.87 46.22 0.08 125.6 344 -30.8 30.8
BAL i S 60.60 0.10 1.11 60.89 -0.29 125.6 344 3.9 3.9
COOL e P 79.90 0.30 0.62 80.09 -0.19 398.5 77 -42.2 42.2
COOL PG 92.00 0.50 0.81 91.13 0.87 398.5 77 1.2 1.2
COOL SG 133.50 1.00 0.63 136.22 -2.72 398.5 77 1.2 1.2
GOO e P 33.00 0.10 0.95 32.67 0.33 39.3 328 12.2 12.2
GOO e S 37.50 0.20 0.75 37.23 0.27 39.3 328 12.2 12.2
KLB i P 37.00 0.10 1.30 37.05 -0.05 66.5 80 7.3 7.3
KLB i S 44.70 0.10 1.17 44.64 0.06 66.5 80 7.3 7.3
MRWA i P 57.00 0.10 1.14 67.35 -10.35 293.3 339 -42.2 42.2
MRWA e P 67.80 0.50 0.58 67.35 0.45 293.3 339 -42.2 42.2
MRWA SMS 104.00 0.70 0.39 104.23 -0.23 293.3 339 -25.3 25.3
MUN i P 40.30 0.10 1.27 40.41 -0.11 87.2 248 5.5 5.5
MUN e S 50.30 0.50 0.58 50.32 -0.02 87.2 248 5.5 5.5
NWAO i P 47.80 0.10 1.23 47.85 -0.05 137.2 173 -30.8 30.8
NWAO i S 64.10 0.10 1.10 64.09 0.01 137.2 173 3.5 3.5
RKG e P 71.30 0.50 0.58 70.41 0.89 318.6 180 -42.2 42.2
RKG e SN 96.00 0.50 0.35 103.45 -7.45 318.6 180 -40.3 40.3
RKG SMS 111.00 0.80 0.37 110.55 0.45 318.6 180 -25.1 25.1
Velocity Ratios
GOO KLB MUN BAL NWAO
GOO 1.65 1.80 1.75 1.74 1.80
0.05 0.17 0.15 0.05 0.05
KLB 1.80 1.71 0.00 1.71 1.80
0.17 0.03 0.00 0.06 0.05
MUN 1.75 0.00 1.70 1.72 1.84
0.15 0.00 0.05 0.16 0.13
BAL 1.74 1.71 1.72 1.71 0.00
0.05 0.06 0.16 0.01 0.00
NWAO 1.80 1.80 1.84 0.00 1.75
0.05 0.05 0.13 0.00 0.01