Data Report
Bulletin / 1989 JUL-DEC
Contributed by CUPWA
Start
Date 1989-07-03 Event type = B
Origin Time 0936 22.70 +- 3.69
Zone 50
Easting 512.58 +- 19.07 Longitude 117.130
Northing 6717.19 +- 7.78 Latitude -29.675
Depth 5.00 +- 28.65 N
Arrival times = 9 S.D. = 0.666 Seismographs = 6
Nearest recorder = 111.0 km Gap = 93.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
47 km NW (334 deg) of KOO3
WESTERN AUSTRALIA
280 km NE ( 26 deg) of PERTH
9 km N (347 deg) of Mt Gibson Mine
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 40.00 0.30 0.70 40.82 -0.82 111.0 201 2.7 2.7
BAL e S 53.00 0.50 0.57 54.08 -1.08 111.0 201 2.7 2.7
COOL e S 121.00 1.00 0.44 121.62 -0.62 408.9 110 -39.8 39.8
KLB e P 56.30 0.10 0.82 55.83 0.47 220.8 164 -40.9 40.9
KLB e S 80.50 0.10 0.74 80.77 -0.27 220.8 164 -39.8 39.8
MEKA e S 111.00 1.00 0.45 112.30 -1.30 366.0 22 -39.8 39.8
MRWA e P 42.00 0.10 0.87 42.40 -0.40 121.1 294 -31.2 31.2
MRWA e S 57.00 0.20 0.68 56.93 0.07 121.1 294 2.5 2.5
MUN e P 62.30 0.50 0.59 61.89 0.41 270.0 198 -40.9 40.9
MUN e S 93.00 0.20 0.63 91.44 1.56 270.0 198 -39.8 39.8
Velocity Ratios
BAL MRWA KLB
BAL 1.75 0.00 1.69
0.06 0.00 0.08
MRWA 0.00 1.78 1.64
0.00 0.02 0.04
KLB 1.69 1.64 1.72
0.08 0.04 0.01
Start
Date 1989-07-04
Origin Time 1244 6.14 +- 9.43
Zone 50
Easting 142.01 +- 241.08 Longitude 113.574
Northing 7760.04 +- 165.36 Latitude -20.224
Depth 5.00 +- 369.38 N
Arrival times = 7 S.D. = 0.797 Seismographs = 4
Nearest recorder = 325.6 km Gap = 293.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
282 km NW (301 deg) of LP05
WESTERN AUSTRALIA
332 km W (278 deg) of Dampier
196 km N (343 deg) of Exmouth
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.3
PHASE INFORMATION
DATA USED
MBL e P 92.90 0.20 0.64 93.44 -0.54 660.2 100 -40.9 40.9
MBL e S 159.00 0.50 0.48 159.52 -0.52 660.2 100 -39.8 39.8
MEKA e P 119.60 0.30 0.58 119.38 0.22 870.3 145 -40.9 40.9
MEKA e S 204.00 0.50 0.47 205.15 -1.15 870.3 145 -39.8 39.8
MRWA e P 138.00 0.10 0.71 138.58 -0.58 1026.2 166 -40.9 40.9
MRWA e S 233.10 0.10 0.63 238.92 -5.82 1026.2 166 -39.8 39.8
MUN e P 175.00 2.00 0.28 175.90 -0.90 1328.9 169 -40.9 40.9
MUN e S 300.00 1.00 0.32 304.57 -4.57 1328.9 169 -39.8 39.8
NANU i P 53.00 0.10 1.13 52.17 0.83 325.6 142 -40.9 40.9
NANU e S 87.00 1.00 0.45 86.91 0.09 325.6 142 -39.8 39.8
WARB i+P 192.80 0.10 1.00 196.32 -3.52 1494.3 118 -40.9 40.9
WARB e S 335.00 1.00 0.40 340.50 -5.50 1494.3 118 -39.8 39.8
Velocity Ratios
NANU MBL MEKA
NANU 1.73 1.80 1.76
0.03 0.05 0.03
MBL 1.80 1.76 1.69
0.05 0.01 0.07
MEKA 1.76 1.69 1.74
0.03 0.07 0.01
Start
Date 1989-07-04
Origin Time 2229 27.66 +- 27.41
Zone 50
Easting 276.42 +- 231.85 Longitude 114.581
Northing 6240.45 +- 121.29 Latitude -33.953
Depth 5.00 +- 366.70 N
Arrival times = 7 S.D. = 2.017 Seismographs = 4
Nearest recorder = 234.0 km Gap = 266.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
227 km W (259 deg) of BEAU
WESTERN AUSTRALIA
252 km SW (208 deg) of PERTH
66 km NW (308 deg) of AUGUSTA
45 km W (269 deg) of Margaret River
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 w P 87.00 5.00 0.36 82.45 4.55 396.5 49 -40.9 40.9
KLB e S 121.00 0.50 0.51 123.84 -2.84 396.5 49 -39.8 39.8
MRWA w P 101.00 5.00 0.35 100.38 0.62 541.8 14 -40.9 40.9
MRWA e S 151.60 0.20 0.59 155.38 -3.78 541.8 14 -39.8 39.8
MUN e P 65.00 0.30 0.65 66.43 -1.43 266.6 35 -40.9 40.9
MUN i S 94.60 0.10 1.04 95.67 -1.07 266.6 35 -39.8 39.8
RKG e P 62.70 0.20 0.71 62.42 0.28 234.0 107 -40.9 40.9
RKG e S 87.20 0.20 0.64 88.60 -1.40 234.0 107 -39.8 39.8
Velocity Ratios
RKG MUN MRWA
RKG 1.70 0.00 0.00
0.02 0.00 0.00
MUN 0.00 1.79 0.00
0.00 0.02 0.00
MRWA 0.00 0.00 1.69
0.00 0.00 0.13
Start
Date 1989-07-19
Origin Time 2324 34.62 +- 20.37
Zone 50
Easting 300.89 +- 244.01 Longitude 114.844
Northing 6237.18 +- 94.82 Latitude -33.987
Depth 5.00 +- 342.53 N
Arrival times = 6 S.D. = 1.052 Seismographs = 3
Nearest recorder = 209.6 km Gap = 281.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
204 km W (257 deg) of BEAU
WESTERN AUSTRALIA
245 km S (202 deg) of PERTH
46 km NW (323 deg) of AUGUSTA
21 km W (259 deg) of Margaret River
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
COOL e S 219.00 1.00 0.42 193.44 25.56 685.1 61 -39.8 39.8
KLB e S 134.00 1.00 0.44 127.41 6.59 380.8 46 -39.8 39.8
MUN e P 72.00 0.20 0.71 72.16 -0.16 256.6 30 -40.9 40.9
MUN e S 99.00 0.20 0.64 100.45 -1.45 256.6 30 -39.8 39.8
NWAO e P 73.00 1.00 0.51 71.49 1.51 251.2 62 -40.9 40.9
NWAO e S 99.40 0.20 0.64 99.29 0.11 251.2 62 -39.8 39.8
RKG e P 66.40 0.20 0.72 66.36 0.04 209.6 108 -40.9 40.9
RKG e S 88.80 0.30 0.60 90.26 -1.46 209.6 108 -39.8 39.8
Velocity Ratios
RKG NWAO MUN
RKG 1.70 0.00 0.00
0.02 0.00 0.00
NWAO 0.00 1.69 0.00
0.00 0.05 0.00
MUN 0.00 0.00 1.72
0.00 0.00 0.01
Start
Date 1989-07-19
Origin Time 2359 36.41 +- 43.22
Zone 50
Easting 305.06 +- 250.22 Longitude 114.890
Northing 6239.15 +- 141.20 Latitude -33.970
Depth 5.00 +- 401.77 N
Arrival times = 6 S.D. = 1.796 Seismographs = 4
Nearest recorder = 206.2 km Gap = 262.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
200 km W (257 deg) of BEAU
WESTERN AUSTRALIA
241 km S (202 deg) of PERTH
46 km NW (328 deg) of AUGUSTA
17 km W (262 deg) of Margaret River
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.1
PHASE INFORMATION
DATA USED
COOL e S 198.00 2.00 0.36 194.24 3.76 680.5 61 -39.8 39.8
KLB e S 137.00 1.00 0.44 128.26 8.74 376.5 46 -39.8 39.8
MRWA e S 161.00 1.00 0.43 163.12 -2.12 537.2 11 -39.8 39.8
MUN e P 72.50 1.00 0.51 73.49 -0.99 252.9 29 -40.9 40.9
MUN e S 101.00 1.00 0.46 101.44 -0.44 252.9 29 -39.8 39.8
NWAO e P 75.00 1.00 0.51 72.72 2.28 246.6 62 -40.9 40.9
NWAO e S 98.50 0.20 0.64 100.08 -1.58 246.6 62 -39.8 39.8
RKG e P 71.00 1.00 0.52 67.74 3.26 206.2 109 -40.9 40.9
RKG e S 89.70 1.00 0.47 91.33 -1.63 206.2 109 -39.8 39.8
Velocity Ratios
NWAO MUN
NWAO 1.61 0.00
0.05 0.00
MUN 0.00 1.79
0.00 0.08
Start
Date 1989-07-20
Origin Time 0929 24.52 +- 6.00
Zone 50
Easting 304.91 +- 65.07 Longitude 114.888
Northing 6239.45 +- 26.14 Latitude -33.967
Depth 5.00 +- 83.63 N
Arrival times = 10 S.D. = 1.012 Seismographs = 6
Nearest recorder = 206.5 km Gap = 262.0 deg Accuracy = B
Effects Code = F Imax = 4 Fault = \
200 km W (257 deg) of BEAU
WESTERN AUSTRALIA
241 km S (202 deg) of PERTH
46 km NW (328 deg) of AUGUSTA
17 km W (263 deg) of Margaret River
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.2
PHASE INFORMATION
DATA USED
BAL e P 80.70 0.30 0.62 80.98 -0.28 410.0 25 -40.9 40.9
BAL e S 123.00 0.30 0.56 123.64 -0.64 410.0 25 -39.8 39.8
COOL e P 114.00 1.00 0.46 114.35 -0.35 680.5 61 -40.9 40.9
COOL e S 184.00 2.00 0.36 182.34 1.66 680.5 61 -39.8 39.8
KLB i-P 76.10 0.10 1.12 76.83 -0.73 376.4 46 -40.9 40.9
KLB e S 113.50 1.00 0.44 116.34 -2.84 376.4 46 -39.8 39.8
MBL e P 210.50 0.50 0.51 215.38 -4.88 1500.1 20 -40.9 40.9
MBL e S 350.00 2.00 0.35 360.08 -10.08 1500.1 20 -39.8 39.8
MEKA e P 138.00 0.30 0.58 139.80 -1.80 886.8 24 -40.9 40.9
MEKA e S 222.00 0.20 0.56 227.11 -5.11 886.8 24 -39.8 39.8
MRWA i-P 96.20 0.20 0.94 96.62 -0.42 536.9 11 -40.9 40.9
MRWA e S 149.00 0.50 0.49 151.16 -2.16 536.9 11 -39.8 39.8
MUN e P 61.40 0.20 0.71 61.57 -0.17 252.7 29 -40.9 40.9
MUN e S 88.40 0.20 0.64 89.50 -1.10 252.7 29 -39.8 39.8
NWAO i+P 62.30 0.10 1.16 60.83 1.47 246.6 62 -40.9 40.9
NWAO e S 88.40 0.50 0.53 88.19 0.21 246.6 62 -39.8 39.8
RKG i+P 56.10 0.10 1.18 55.88 0.22 206.5 109 -40.9 40.9
RKG i S 78.10 0.10 1.06 79.49 -1.39 206.5 109 -39.8 39.8
WARB e P 202.50 0.50 0.51 206.34 -3.84 1426.6 55 -40.9 40.9
WARB e S 330.50 0.50 0.46 344.18 -13.68 1426.6 55 -39.8 39.8
Velocity Ratios
RKG NWAO MUN BAL
RKG 1.70 1.66 1.94 1.83
0.01 0.16 0.18 0.05
NWAO 1.66 1.69 0.00 1.88
0.16 0.02 0.00 0.09
MUN 1.94 0.00 1.73 1.79
0.18 0.00 0.01 0.07
BAL 1.83 1.88 1.79 1.75
0.05 0.09 0.07 0.01
Start
Date 1989-07-20
Origin Time 1044 20.97 +- 20.94
Zone 49
Easting 859.15 +- 264.63 Longitude 114.886
Northing 6234.76 +- 75.74 Latitude -33.966
Depth 5.00 +- 348.92 N
Arrival times = 6 S.D. = 1.077 Seismographs = 3
Nearest recorder = 207.2 km Gap = 279.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
200 km W (257 deg) of BEAU
WESTERN AUSTRALIA
241 km S (202 deg) of PERTH
46 km NW (328 deg) of AUGUSTA
17 km W (264 deg) of Margaret River
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
PHASE INFORMATION
DATA USED
KLB e S 109.00 1.00 0.42 113.06 -4.06 377.6 46 -39.8 39.8
MUN e P 57.80 0.20 0.71 58.09 -0.29 253.2 29 -40.9 40.9
MUN e S 84.50 0.50 0.53 86.07 -1.57 253.2 29 -39.8 39.8
NWAO e P 59.00 1.00 0.51 57.37 1.63 247.4 62 -40.9 40.9
NWAO e S 85.00 0.50 0.53 84.81 0.19 247.4 62 -39.8 39.8
RKG e P 52.50 0.20 0.72 52.42 0.08 207.2 109 -40.9 40.9
RKG e S 74.80 0.20 0.65 76.10 -1.30 207.2 109 -39.8 39.8
Velocity Ratios
RKG NWAO MUN
RKG 1.71 0.00 0.00
0.02 0.00 0.00
NWAO 0.00 1.68 0.00
0.00 0.06 0.00
MUN 0.00 0.00 1.72
0.00 0.00 0.02
Start
Date 1989-07-20
Origin Time 1050 24.11 +- 29.11
Zone 50
Easting 305.06 +- 307.86 Longitude 114.890
Northing 6239.15 +- 126.09 Latitude -33.970
Depth 5.00 +- 429.08 N
Arrival times = 6 S.D. = 1.382 Seismographs = 3
Nearest recorder = 206.2 km Gap = 279.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
200 km W (257 deg) of BEAU
WESTERN AUSTRALIA
241 km S (202 deg) of PERTH
46 km NW (328 deg) of AUGUSTA
17 km W (262 deg) of Margaret River
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
PHASE INFORMATION
DATA USED
KLB e S 112.00 1.00 0.44 115.96 -3.96 376.5 46 -39.8 39.8
MUN e P 61.50 1.00 0.51 61.19 0.31 252.9 29 -40.9 40.9
MUN e S 87.00 0.30 0.59 89.14 -2.14 252.9 29 -39.8 39.8
NWAO e P 61.00 1.00 0.51 60.42 0.58 246.6 62 -40.9 40.9
NWAO e S 87.00 1.00 0.46 87.78 -0.78 246.6 62 -39.8 39.8
RKG e P 55.00 0.20 0.72 55.44 -0.44 206.2 109 -40.9 40.9
RKG e S 77.00 1.00 0.47 79.03 -2.03 206.2 109 -39.8 39.8
Velocity Ratios
RKG NWAO MUN
RKG 1.71 0.00 0.00
0.04 0.00 0.00
NWAO 0.00 1.70 0.00
0.00 0.08 0.00
MUN 0.00 0.00 1.68
0.00 0.00 0.05
Start
Date 1989-07-20
Origin Time 1401 49.91 +- 270.12
Zone 50
Easting 305.06 +-2049.85 Longitude 114.890
Northing 6239.15 +- 687.18 Latitude -33.970
Depth 5.00 +-3598.20 N
Arrival times = 5 S.D. = 2.270 Seismographs = 4
Nearest recorder = 206.2 km Gap = 279.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
200 km W (257 deg) of BEAU
WESTERN AUSTRALIA
241 km S (202 deg) of PERTH
46 km NW (328 deg) of AUGUSTA
17 km W (262 deg) of Margaret River
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 S 138.00 1.00 0.44 141.76 -3.76 376.5 46 -39.8 39.8
MUN e P 87.00 1.00 0.51 86.99 0.01 252.9 29 -40.9 40.9
MUN e S 112.80 1.00 0.46 114.93 -2.13 252.9 29 -39.8 39.8
NWAO e S 113.00 1.00 0.46 113.58 -0.58 246.6 62 -39.8 39.8
RKG e S 103.00 1.00 0.47 104.82 -1.82 206.2 109 -39.8 39.8
Velocity Ratios
MUN
MUN 1.70
0.07
Start
Date 1989-07-20
Origin Time 2329 34.80 +- 20.51
Zone 50
Easting 302.41 +- 259.62 Longitude 114.861
Northing 6236.65 +- 97.43 Latitude -33.992
Depth 5.00 +- 355.62 N
Arrival times = 6 S.D. = 0.876 Seismographs = 3
Nearest recorder = 208.0 km Gap = 281.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
203 km W (257 deg) of BEAU
WESTERN AUSTRALIA
245 km S (202 deg) of PERTH
45 km NW (324 deg) of AUGUSTA
20 km W (256 deg) of Margaret River
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
PHASE INFORMATION
DATA USED
KLB e S 123.00 1.00 0.45 127.44 -4.44 380.1 46 -39.8 39.8
MUN e P 73.00 1.00 0.51 72.31 0.69 256.3 29 -40.9 40.9
MUN e S 99.00 1.00 0.46 100.58 -1.58 256.3 29 -39.8 39.8
NWAO e P 71.00 1.00 0.51 71.55 -0.55 250.1 62 -40.9 40.9
NWAO e S 99.40 0.50 0.53 99.24 0.16 250.1 62 -39.8 39.8
RKG e P 66.50 0.50 0.60 66.35 0.15 208.0 108 -40.9 40.9
RKG e S 89.00 1.00 0.47 90.10 -1.10 208.0 108 -39.8 39.8
Velocity Ratios
RKG NWAO MUN
RKG 1.71 0.00 0.00
0.06 0.00 0.00
NWAO 0.00 1.78 0.00
0.00 0.06 0.00
MUN 0.00 0.00 1.68
0.00 0.00 0.07
Start
Date 1989-07-21
Origin Time 0733 3.24 +- 0.00
Zone 50
Easting 305.06 +- 0.00 Longitude 114.890
Northing 6239.15 +- 0.00 Latitude -33.970
Depth 5.00 +- 0.00 N
Arrival times = 3 S.D. = 2.504 Seismographs = 2
Nearest recorder = 206.2 km Gap = 279.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
200 km W (257 deg) of BEAU
WESTERN AUSTRALIA
241 km S (202 deg) of PERTH
46 km NW (328 deg) of AUGUSTA
17 km W (262 deg) of Margaret River
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.1
PHASE INFORMATION
DATA USED
MUN e P 40.00 1.00 0.51 40.32 -0.32 252.9 29 -40.9 40.9
MUN e S 65.80 1.00 0.46 68.27 -2.47 252.9 29 -39.8 39.8
RKG e S 55.80 0.20 0.65 58.16 -2.36 206.2 109 -39.8 39.8
Velocity Ratios
MUN
MUN 1.70
0.08
Start
Date 1989-07-21
Origin Time 0856 31.32 +- 0.00
Zone 50
Easting 305.06 +- 0.00 Longitude 114.890
Northing 6239.15 +- 0.00 Latitude -33.970
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 1.748 Seismographs = 2
Nearest recorder = 206.2 km Gap = 279.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
200 km W (257 deg) of BEAU
WESTERN AUSTRALIA
241 km S (202 deg) of PERTH
46 km NW (328 deg) of AUGUSTA
17 km W (262 deg) of Margaret River
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
PHASE INFORMATION
DATA USED
MUN e P 68.50 1.00 0.51 68.40 0.10 252.9 29 -40.9 40.9
MUN e S 94.00 0.50 0.53 96.34 -2.34 252.9 29 -39.8 39.8
RKG e P 62.00 1.00 0.52 62.65 -0.65 206.2 109 -40.9 40.9
RKG e S 84.50 0.50 0.54 86.23 -1.73 206.2 109 -39.8 39.8
Velocity Ratios
RKG MUN
RKG 1.73 0.00
0.08 0.00
MUN 0.00 1.69
0.00 0.06
Start
Date 1989-07-21
Origin Time 1052 42.33 +- 0.00
Zone 50
Easting 305.06 +- 0.00 Longitude 114.890
Northing 6239.15 +- 0.00 Latitude -33.970
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 2.500 Seismographs = 2
Nearest recorder = 206.2 km Gap = 279.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
200 km W (257 deg) of BEAU
WESTERN AUSTRALIA
241 km S (202 deg) of PERTH
46 km NW (328 deg) of AUGUSTA
17 km W (262 deg) of Margaret River
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
MUN e P 78.00 1.00 0.51 79.41 -1.41 252.9 29 -40.9 40.9
MUN e S 104.00 0.50 0.53 107.36 -3.36 252.9 29 -39.8 39.8
RKG e P 74.00 1.00 0.52 73.66 0.34 206.2 109 -40.9 40.9
RKG e S 95.00 0.50 0.54 97.25 -2.25 206.2 109 -39.8 39.8
Velocity Ratios
RKG MUN
RKG 1.66 0.00
0.07 0.00
MUN 0.00 1.73
0.00 0.06
Start
Date 1989-07-21
Origin Time 2105 40.13 +- 0.00
Zone 50
Easting 305.06 +- 0.00 Longitude 114.890
Northing 6239.15 +- 0.00 Latitude -33.970
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 1.477 Seismographs = 2
Nearest recorder = 206.2 km Gap = 279.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
200 km W (257 deg) of BEAU
WESTERN AUSTRALIA
241 km S (202 deg) of PERTH
46 km NW (328 deg) of AUGUSTA
17 km W (262 deg) of Margaret River
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
PHASE INFORMATION
DATA USED
MUN e P 78.00 1.00 0.51 77.21 0.79 252.9 29 -40.9 40.9
MUN e S 103.00 1.00 0.46 105.16 -2.16 252.9 29 -39.8 39.8
RKG e P 70.70 0.30 0.66 71.46 -0.76 206.2 109 -40.9 40.9
RKG e S 93.70 0.50 0.54 95.05 -1.35 206.2 109 -39.8 39.8
Velocity Ratios
RKG MUN
RKG 1.75 0.00
0.03 0.00
MUN 0.00 1.66
0.00 0.07
Start
Date 1989-07-22
Origin Time 1718 49.26 +- 133.93
Zone 50
Easting 305.06 +-1793.39 Longitude 114.890
Northing 6239.15 +- 784.53 Latitude -33.970
Depth 5.00 +-2460.21 N
Arrival times = 5 S.D. = 1.403 Seismographs = 3
Nearest recorder = 206.2 km Gap = 262.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
200 km W (257 deg) of BEAU
WESTERN AUSTRALIA
241 km S (202 deg) of PERTH
46 km NW (328 deg) of AUGUSTA
17 km W (262 deg) of Margaret River
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
MRWA e P 120.70 0.50 0.55 121.40 -0.70 537.2 11 -40.9 40.9
MRWA e S 172.60 0.30 0.55 175.96 -3.36 537.2 11 -39.8 39.8
MUN e P 86.00 1.00 0.51 86.34 -0.34 252.9 29 -40.9 40.9
MUN e S 112.30 0.30 0.59 114.29 -1.99 252.9 29 -39.8 39.8
RKG e P 81.00 1.00 0.52 80.59 0.41 206.2 109 -40.9 40.9
RKG e S 102.60 0.50 0.54 104.18 -1.58 206.2 109 -39.8 39.8
Velocity Ratios
RKG MUN
RKG 1.68 0.00
0.07 0.00
MUN 0.00 1.72
0.00 0.06
Start
Date 1989-07-23
Origin Time 0120 2.62 +- 1.89
Zone 50
Easting 623.81 +- 7.78 Longitude 118.334
Northing 6285.01 +- 5.85 Latitude -33.567
Depth 1.00 +- 11.71 C
Arrival times = 10 S.D. = 0.422 Seismographs = 5
Nearest recorder = 124.7 km Gap = 184.9 deg Accuracy = A
Effects Code = F Imax = 4 Fault =
17 km SW (244 deg) of PIN
WESTERN AUSTRALIA
294 km SE (128 deg) of PERTH
165 km N ( 15 deg) of ALBANY
Record Dur Sync Unc Resp Seismometer Recorder Pol
PIN 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.9
PHASE INFORMATION
DATA USED
BAL e S 90.40 0.50 0.51 92.12 -1.72 362.3 334 -39.8 39.8
COOL e P 58.00 0.50 0.56 58.13 -0.13 398.7 42 -40.9 40.9
COOL e S 99.00 1.00 0.44 100.04 -1.04 398.7 42 -39.8 39.8
FORR e P 127.00 0.50 0.44 128.84 -1.84 972.1 74 -40.9 40.9
FORR e S 219.00 0.50 0.39 224.43 -5.43 972.1 74 -39.8 39.8
KLB i P 37.10 0.10 1.17 36.76 0.34 225.6 346 -40.9 40.9
KLB e S 62.00 0.10 0.74 62.45 -0.45 225.6 346 -39.8 39.8
MBL e P 175.70 0.30 0.50 179.48 -3.78 1383.0 6 -40.9 40.9
MBL e S 304.80 0.30 0.45 313.52 -8.72 1383.0 6 -39.8 39.8
MEKA e P 112.00 1.00 0.36 104.02 7.98 770.8 1 -40.9 40.9
MEKA e S 175.00 1.00 0.33 180.77 -5.77 770.8 1 -39.8 39.8
MRWA e P 74.60 0.20 0.61 74.40 0.20 530.8 334 -40.9 40.9
MRWA e S 126.80 0.20 0.55 128.67 -1.87 530.8 334 -39.8 39.8
MUN i P 41.70 0.10 1.15 41.72 -0.02 265.8 311 -40.9 40.9
MUN e S 70.30 0.20 0.63 71.18 -0.88 265.8 311 -39.8 39.8
NWAO i-P 22.70 0.10 1.24 22.97 -0.27 124.7 304 0.6 0.6
NWAO e S 37.30 0.10 0.78 37.86 -0.56 124.7 304 0.6 0.6
PIN S-P 3.00 0.10 1.40 2.05 0.95 17.1 64 0.0 0.0
RKG i-P 28.60 0.10 1.21 28.81 -0.21 165.1 227 -31.2 31.2
RKG e S 48.10 0.10 0.76 48.40 -0.30 165.1 227 -29.6 29.6
WARB e P 147.00 1.00 0.35 150.78 -3.78 1150.1 46 -40.9 40.9
WARB e S 257.70 0.50 0.39 263.03 -5.33 1150.1 46 -39.8 39.8
Velocity Ratios
NWAO RKG KLB MUN COOL
NWAO 1.73 1.83 1.72 1.74 1.75
0.01 0.10 0.04 0.03 0.06
RKG 1.83 1.75 1.64 1.69 1.73
0.10 0.01 0.06 0.05 0.07
KLB 1.72 1.64 1.72 1.80 1.77
0.04 0.06 0.01 0.15 0.11
MUN 1.74 1.69 1.80 1.73 1.76
0.03 0.05 0.15 0.01 0.14
COOL 1.75 1.73 1.77 1.76 1.74
0.06 0.07 0.11 0.14 0.03
Start
Date 1989-07-23
Origin Time 2041 17.98 +- 0.00
Zone 52
Easting 659.97 +- 0.00 Longitude 130.472
Northing 8610.77 +- 0.00 Latitude -12.563
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 0.385 Seismographs = 2
Nearest recorder = 78.0 km Gap = 266.7 deg Accuracy = C
Effects Code = F Imax = 0 Fault =
78 km NW (293 deg) of MTN
NORTHERN TERRITORY
41 km W (252 deg) of DARWIN
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.7
PHASE INFORMATION
DATA USED
ASPA e P 177.00 0.20 0.61 182.29 -5.29 1284.4 164 -40.9 40.9
ASPA e S 302.00 1.00 0.40 306.83 -4.83 1284.4 164 -39.8 39.8
KNA e P 72.70 0.20 0.68 72.91 -0.21 397.7 207 -40.9 40.9
KNA e S 114.00 0.50 0.51 114.41 -0.41 397.7 207 -39.8 39.8
MBL e P 201.70 0.30 0.56 206.75 -5.05 1483.1 228 -40.9 40.9
MBL e S 335.00 1.00 0.40 349.87 -14.87 1483.1 228 -39.8 39.8
MTN i P 30.80 0.10 1.29 30.74 0.06 78.0 113 3.7 3.7
MTN i S 39.60 0.10 1.16 40.07 -0.47 78.0 113 3.7 3.7
WARB e P 211.00 1.00 0.44 216.25 -5.25 1559.9 194 -40.9 40.9
WARB e S 359.00 1.00 0.40 366.57 -7.57 1559.9 194 -39.8 39.8
WRA e P 133.00 0.10 0.71 136.92 -3.92 916.7 153 -40.9 40.9
Velocity Ratios
MTN KNA
MTN 1.69 1.78
0.02 0.03
KNA 1.78 1.75
0.03 0.02
Start
Date 1989-07-26 Event type = B
Origin Time 0755 53.19 +- 3.50
Zone 50
Easting 566.02 +- 12.28 Longitude 117.668
Northing 6968.97 +- 8.67 Latitude -27.401
Depth 0.00 +- 35.21
Arrival times = 9 S.D. = 0.495 Seismographs = 8
Nearest recorder = 122.3 km Gap = 118.9 deg Accuracy = B
Effects Code = Imax = 0 Fault =
122 km SW (224 deg) of MEKA
WESTERN AUSTRALIA
534 km N ( 20 deg) of PERTH
123 km SW (222 deg) of MEEKATHARRA
9 km S (169 deg) of Big Bell Mine
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 w S 155.00 1.00 0.45 143.95 11.05 367.3 194 -39.8 39.8
COOL e P 123.50 0.30 0.61 122.95 0.55 513.4 139 -40.9 40.9
COOL e S 172.00 1.00 0.43 175.68 -3.68 513.4 139 -39.8 39.8
FORR e P 190.40 0.50 0.51 193.37 -2.97 1084.5 112 -40.9 40.9
FORR e S 294.40 0.50 0.46 299.56 -5.16 1084.5 112 -39.8 39.8
KLB w P 119.00 5.00 0.36 116.90 2.10 464.5 178 -40.9 40.9
KLB e S 164.00 0.50 0.50 165.02 -1.02 464.5 178 -39.8 39.8
MBL w P 145.00 5.00 0.34 149.06 -4.06 725.4 18 -40.9 40.9
MBL e S 215.00 0.50 0.48 221.60 -6.60 725.4 18 -39.8 39.8
MEKA e P 73.20 0.20 0.75 73.14 0.06 122.3 44 0.2 0.2
MEKA e S 87.00 0.10 0.78 87.74 -0.74 122.3 44 0.2 0.2
MRWA i-P 91.50 0.20 1.01 91.64 -0.14 259.6 218 -40.9 40.9
MRWA e S 125.00 0.20 0.64 120.58 4.42 259.6 218 -39.8 39.8
MUN e P 127.00 1.00 0.48 124.54 2.46 526.5 195 -40.9 40.9
MUN e S 178.00 0.50 0.49 178.47 -0.47 526.5 195 -39.8 39.8
NANU i-P 130.90 0.10 1.07 131.18 -0.28 580.5 337 -40.9 40.9
NANU e S 184.40 0.50 0.49 190.16 -5.76 580.5 337 -39.8 39.8
NWAO e P 144.00 5.00 0.34 135.30 8.70 613.8 183 -40.9 40.9
NWAO e S 197.00 2.00 0.37 197.40 -0.40 613.8 183 -39.8 39.8
WARB e P 171.00 0.20 0.62 171.33 -0.33 905.7 83 -40.9 40.9
WARB e S 257.00 0.50 0.47 260.78 -3.78 905.7 83 -39.8 39.8
Velocity Ratios
MEKA
MEKA 1.69
0.02
Start
Date 1989-07-26
Origin Time 0914 39.49 +- 2.83
Zone 50
Easting 624.39 +- 11.94 Longitude 118.340
Northing 6284.89 +- 9.17 Latitude -33.568
Depth 1.00 +- 16.68 C
Arrival times = 8 S.D. = 0.465 Seismographs = 5
Nearest recorder = 125.3 km Gap = 185.1 deg Accuracy = A
Effects Code = F Imax = 4 Fault =
16 km SW (242 deg) of PIN
WESTERN AUSTRALIA
294 km SE (128 deg) of PERTH
165 km N ( 15 deg) of ALBANY
Record Dur Sync Unc Resp Seismometer Recorder Pol
PIN 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 e S 127.00 0.50 0.51 129.06 -2.06 362.7 334 -39.8 39.8
COOL e S 136.00 1.00 0.44 136.84 -0.84 398.4 42 -39.8 39.8
FORR e P 163.30 0.50 0.51 165.64 -2.34 971.5 74 -40.9 40.9
FORR e S 256.00 1.00 0.40 261.18 -5.18 971.5 74 -39.8 39.8
KLB e P 74.10 0.20 0.71 73.66 0.44 225.8 345 -40.9 40.9
KLB e S 99.90 0.10 0.74 99.37 0.53 225.8 345 -39.8 39.8
MBL e P 212.80 0.20 0.61 216.35 -3.55 1383.1 6 -40.9 40.9
MBL e S 342.00 1.00 0.40 350.39 -8.39 1383.1 6 -39.8 39.8
MEKA w S 212.50 0.10 0.67 217.66 -5.16 770.9 1 -39.8 39.8
MRWA e P 110.00 0.50 0.55 111.31 -1.31 531.1 334 -40.9 40.9
MRWA w S 164.00 0.10 0.69 165.61 -1.61 531.1 334 -39.8 39.8
MUN e P 79.00 0.50 0.59 78.65 0.35 266.3 310 -40.9 40.9
MUN e S 107.50 0.10 0.73 108.16 -0.66 266.3 310 -39.8 39.8
NWAO i-P 59.70 0.10 1.24 59.93 -0.23 125.3 304 0.6 0.6
NWAO e S 74.30 0.10 0.78 74.88 -0.58 125.3 304 0.6 0.6
PIN S-P 3.00 0.10 1.41 2.00 1.00 16.7 62 0.0 0.0
RKG i-P 65.60 0.10 1.21 65.73 -0.13 165.5 227 -31.2 31.2
RKG e S 84.80 0.10 0.76 85.35 -0.55 165.5 227 -29.6 29.6
WARB e P 185.00 0.20 0.61 187.61 -2.61 1149.7 46 -40.9 40.9
WARB e S 293.00 1.00 0.40 299.82 -6.82 1149.7 46 -39.8 39.8
Velocity Ratios
NWAO RKG MUN
NWAO 1.72 1.78 1.72
0.01 0.10 0.07
RKG 1.78 1.74 1.69
0.10 0.01 0.10
MUN 1.72 1.69 1.72
0.07 0.10 0.02
Start
Date 1989-07-26
Origin Time 0922 13.99 +- 4.35
Zone 50
Easting 624.06 +- 17.68 Longitude 118.337
Northing 6284.36 +- 12.89 Latitude -33.573
Depth 1.00 +- 29.66 C
Arrival times = 8 S.D. = 0.600 Seismographs = 5
Nearest recorder = 125.3 km Gap = 185.2 deg Accuracy = A
Effects Code = Imax = 0 Fault =
17 km SW (241 deg) of PIN
WESTERN AUSTRALIA
294 km SE (128 deg) of PERTH
164 km N ( 15 deg) of ALBANY
Record Dur Sync Unc Resp Seismometer Recorder Pol
PIN 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
PHASE INFORMATION
DATA USED
BAL e S 101.00 1.00 0.45 103.64 -2.64 363.0 334 -39.8 39.8
COOL e P 69.00 1.00 0.49 69.54 -0.54 399.0 42 -40.9 40.9
COOL e S 122.00 1.00 0.44 111.47 10.53 399.0 42 -39.8 39.8
FORR e P 137.50 0.50 0.51 140.20 -2.70 972.0 74 -40.9 40.9
FORR e S 230.00 1.00 0.40 235.78 -5.78 972.0 74 -39.8 39.8
KLB e P 48.40 0.20 0.71 48.22 0.18 226.2 346 -40.9 40.9
KLB e S 73.80 1.00 0.47 73.97 -0.17 226.2 346 -39.8 39.8
MBL e P 187.00 1.00 0.44 190.92 -3.92 1383.7 6 -40.9 40.9
MBL e S 316.00 1.00 0.40 325.02 -9.02 1383.7 6 -39.8 39.8
MRWA e P 79.40 0.50 0.55 85.86 -6.46 531.5 334 -40.9 40.9
MRWA e S 138.00 0.50 0.49 140.19 -2.19 531.5 334 -39.8 39.8
MUN e P 53.50 0.20 0.70 53.17 0.33 266.4 311 -40.9 40.9
MUN e S 81.90 0.20 0.63 82.68 -0.78 266.4 311 -39.8 39.8
NWAO e S 48.40 0.20 0.68 49.39 -0.99 125.3 304 0.6 0.6
PIN S-P 3.00 0.10 1.40 2.06 0.94 17.2 61 0.0 0.0
RKG e P 39.80 0.20 0.74 40.14 -0.34 164.9 227 -31.2 31.2
RKG e S 59.20 0.20 0.66 59.70 -0.50 164.9 227 -29.6 29.6
WARB e P 158.60 0.50 0.51 162.18 -3.58 1150.3 46 -40.9 40.9
WARB e S 268.00 1.00 0.40 274.46 -6.46 1150.3 46 -39.8 39.8
Velocity Ratios
RKG KLB MUN
RKG 1.75 0.00 1.66
0.02 0.00 0.08
KLB 0.00 1.74 0.00
0.00 0.04 0.00
MUN 1.66 0.00 1.72
0.08 0.00 0.01
Start
Date 1989-07-26
Origin Time 0940 52.34 +- 3.30
Zone 50
Easting 625.02 +- 16.17 Longitude 118.347
Northing 6283.62 +- 9.36 Latitude -33.580
Depth 1.00 +- 16.44 C
Arrival times = 9 S.D. = 0.623 Seismographs = 5
Nearest recorder = 126.5 km Gap = 185.8 deg Accuracy = A
Effects Code = Imax = 0 Fault =
16 km SW (238 deg) of PIN
WESTERN AUSTRALIA
296 km SE (128 deg) of PERTH
164 km N ( 16 deg) of ALBANY
Record Dur Sync Unc Resp Seismometer Recorder Pol
PIN 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
PHASE INFORMATION
DATA USED
BAL e S 140.00 1.00 0.45 142.22 -2.22 364.1 334 -39.8 39.8
COOL e P 112.00 1.00 0.49 107.87 4.13 398.8 42 -40.9 40.9
COOL e S 148.00 1.00 0.44 149.80 -1.80 398.8 42 -39.8 39.8
FORR e P 176.40 0.50 0.51 178.46 -2.06 971.3 73 -40.9 40.9
FORR e S 269.00 1.00 0.40 273.97 -4.97 971.3 73 -39.8 39.8
KLB e P 87.20 0.10 0.82 86.68 0.52 227.2 345 -40.9 40.9
KLB e S 112.50 0.10 0.74 112.53 -0.03 227.2 345 -39.8 39.8
MBL e P 225.00 1.00 0.44 229.35 -4.35 1384.3 6 -40.9 40.9
MBL e S 355.00 1.00 0.40 363.50 -8.50 1384.3 6 -39.8 39.8
MEKA w S 228.00 0.10 0.67 230.78 -2.78 772.2 1 -39.8 39.8
MRWA e P 124.00 1.00 0.48 124.34 -0.34 532.6 334 -40.9 40.9
MRWA e S 177.00 1.00 0.43 178.77 -1.77 532.6 334 -39.8 39.8
MUN e P 91.70 0.50 0.59 91.67 0.03 267.6 311 -40.9 40.9
MUN e S 120.30 0.50 0.53 121.29 -0.99 267.6 311 -39.8 39.8
NANU w S 338.00 0.10 0.64 335.21 2.79 1253.9 346 -39.8 39.8
NWAO i-P 72.70 0.10 1.24 72.98 -0.28 126.5 304 0.6 0.6
NWAO e S 87.30 0.20 0.68 88.08 -0.78 126.5 304 0.6 0.6
PIN S-P 3.00 0.10 1.41 2.00 1.00 16.7 58 0.0 0.0
RKG e P 78.40 0.20 0.74 78.53 -0.13 165.1 227 -31.2 31.2
RKG e S 97.80 0.50 0.55 98.11 -0.31 165.1 227 -29.6 29.6
WARB e P 197.50 0.50 0.51 200.51 -3.01 1150.1 46 -40.9 40.9
WARB e S 304.00 1.00 0.40 312.76 -8.76 1150.1 46 -39.8 39.8
Velocity Ratios
NWAO RKG KLB MUN
NWAO 1.72 0.00 1.74 1.74
0.02 0.00 0.05 0.09
RKG 0.00 1.74 1.67 1.69
0.00 0.03 0.13 0.17
KLB 1.74 1.67 1.73 0.00
0.05 0.13 0.01 0.00
MUN 1.74 1.69 0.00 1.73
0.09 0.17 0.00 0.04
Start
Date 1989-07-27
Origin Time 0227 56.69 +- 3.10
Zone 50
Easting 554.46 +- 38.37 Longitude 117.573
Northing 6515.40 +- 21.51 Latitude -31.495
Depth 5.00 +- 79.97 N
Arrival times = 6 S.D. = 0.301 Seismographs = 4
Nearest recorder = 20.7 km Gap = 161.5 deg Accuracy = A
Effects Code = Imax = 0 Fault =
6 km S (200 deg) of KBG
WESTERN AUSTRALIA
171 km E ( 73 deg) of PERTH
20 km NW (317 deg) of Kellerberrin
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.1
PHASE INFORMATION
DATA USED
BAL e S 92.30 0.10 0.78 92.92 -0.62 128.6 319 -29.6 29.6
KLB i-P 60.20 0.10 1.43 60.18 0.02 20.7 121 14.4 14.4
KLB e S 62.60 0.10 0.90 62.73 -0.13 20.7 121 14.4 14.4
MEKA w S 171.00 5.00 0.32 185.94 -14.94 548.7 9 -39.8 39.8
MUN i+P 78.90 0.10 1.22 79.03 -0.13 140.0 247 -31.2 31.2
MUN e S 95.20 0.10 0.77 95.72 -0.52 140.0 247 -29.6 29.6
NWAO e P 82.10 0.20 0.74 82.09 0.01 161.9 191 -31.2 31.2
NWAO e S 101.00 0.30 0.61 101.11 -0.11 161.9 191 -29.6 29.6
Velocity Ratios
KLB MUN
KLB 1.68 1.74
0.08 0.03
MUN 1.74 1.73
0.03 0.01
Start
Date 1989-07-27
Origin Time 0607 48.69 +- 32.52
Zone 52
Easting 146.58 +- 204.81 Longitude 125.467
Northing 7109.35 +- 122.54 Latitude -26.092
Depth 5.00 +- 407.17 N
Arrival times = 9 S.D. = 4.859 Seismographs = 7
Nearest recorder = 118.1 km Gap = 142.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
111 km W (272 deg) of WBN
WESTERN AUSTRALIA
111 km W (272 deg) of WARBURTON
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 S 267.50 1.00 0.40 276.02 -8.52 1001.0 237 -39.8 39.8
COOL e S 203.50 1.00 0.42 206.70 -3.20 681.3 217 -39.8 39.8
FORR e S 188.00 1.00 0.43 184.87 3.13 580.7 154 -39.8 39.8
KLB w P 177.00 5.00 0.33 174.67 2.33 973.8 229 -40.9 40.9
KLB e S 263.50 0.10 0.64 270.10 -6.60 973.8 229 -39.8 39.8
MBL e S 227.00 1.00 0.41 231.73 -4.73 796.9 312 -39.8 39.8
MEKA w S 237.00 5.00 0.31 210.48 26.52 698.7 263 -39.8 39.8
MRWA e P 175.50 0.50 0.51 178.50 -3.00 1004.8 247 -40.9 40.9
MRWA e S 269.00 1.00 0.40 276.84 -7.84 1004.8 247 -39.8 39.8
MUN e S 292.00 3.00 0.32 302.06 -10.06 1121.1 231 -39.8 39.8
NWAO e S 292.00 3.00 0.32 299.04 -7.04 1107.2 224 -39.8 39.8
WARB i P 68.30 0.10 1.24 67.98 0.32 118.1 95 2.6 2.6
WARB e S 80.30 2.00 0.43 82.09 -1.79 118.1 95 2.6 2.6
Velocity Ratios
WARB MRWA
WARB 1.61 1.76
0.11 0.04
MRWA 1.76 1.74
0.04 0.01
Start
Date 1989-07-29
Origin Time 0640 52.58 +- 119.88
Zone 52
Easting 255.81 +- 306.32 Longitude 126.635
Northing 7568.93 +- 241.29 Latitude -21.967
Depth 3.79 +-1059.64
Arrival times = 5 S.D. = 0.590 Seismographs = 4
Nearest recorder = 467.2 km Gap = 102.3 deg Accuracy = B
Effects Code = Imax = 0 Fault =
462 km N ( 0 deg) of WBN
WESTERN AUSTRALIA
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.4
PHASE INFORMATION
DATA USED
ASPA e S 229.50 1.00 0.41 230.02 -0.52 769.8 105 -39.8 39.8
BAL e S 267.50 1.00 0.40 363.68 -96.18 1386.3 223 -39.8 39.8
KNA e P 147.00 2.00 0.40 147.84 -0.84 723.8 18 -40.9 40.9
MBL e P 147.00 1.00 0.46 146.56 0.44 713.3 276 -40.9 40.9
MRWA e P 175.50 0.50 0.51 224.61 -49.11 1346.2 230 -40.9 40.9
WARB e P 116.10 0.10 0.77 116.24 -0.14 467.2 179 -40.9 40.9
WARB e S 163.70 0.10 0.69 164.35 -0.65 467.2 179 -39.8 39.8
Velocity Ratios
WARB
WARB 1.75
0.00
Start
Date 1989-07-29
Origin Time 1726 34.50 +- 0.00
Zone 50
Easting 723.88 +- 0.00 Longitude 119.116
Northing 7990.88 +- 0.00 Latitude -18.159
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 0.573 Seismographs = 3
Nearest recorder = 340.7 km Gap = 310.3 deg Accuracy = D
Effects Code = Imax = 0 Fault =
276 km N ( 8 deg) of RP02
WESTERN AUSTRALIA
373 km NE ( 43 deg) of Dampier
244 km N ( 13 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 2.0
PHASE INFORMATION
DATA USED
MBL i P 82.40 0.10 1.13 82.41 -0.01 340.7 167 -40.9 40.9
MBL i S 118.00 0.10 1.02 118.57 -0.57 340.7 167 -39.8 39.8
MEKA e S 247.40 0.50 0.46 248.26 -0.86 938.3 183 -39.8 39.8
NANU e S 177.40 0.50 0.49 178.02 -0.62 614.8 217 -39.8 39.8
WARB w S 297.00 5.00 0.29 301.67 -4.67 1184.6 140 -39.8 39.8
Velocity Ratios
MBL
MBL 1.74
0.01
Start
Date 1989-08-01
Origin Time 0430 23.92 +- 19.72
Zone 53
Easting 207.96 +- 83.19 Longitude 132.082
Northing 7116.92 +- 54.75 Latitude -26.037
Depth 5.00 +- 177.25 N
Arrival times = 6 S.D. = 0.987 Seismographs = 3
Nearest recorder = 546.3 km Gap = 196.3 deg Accuracy = D
Effects Code = Imax = 0 Fault =
318 km SW (215 deg) of AS10
SOUTH AUSTRALIA
49 km NW (311 deg) of KENMORE PARK HS
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
FORR P 110.60 0.10 1.06 111.20 -0.60 659.8 215 -40.9 40.9
FORR S 179.00 1.00 0.60 177.25 1.75 659.8 215 -39.8 39.8
WARB P 96.80 0.50 0.78 97.20 -0.40 546.3 267 -40.9 40.9
WARB S 152.00 1.00 0.61 152.63 -0.63 546.3 267 -39.8 39.8
WB5 P 118.00 0.10 1.05 118.74 -0.74 721.1 19 -40.9 40.9
WB5 S 191.80 0.50 0.68 190.53 1.27 721.1 19 -39.8 39.8
Velocity Ratios
WARB FORR WB5
WARB 1.76 0.00 1.88
0.03 0.00 0.13
FORR 0.00 1.79 0.00
0.00 0.01 0.00
WB5 1.88 0.00 1.78
0.13 0.00 0.01
Start
Date 1989-08-05
Origin Time 1349 40.55 +- 21.96
Zone 50
Easting 406.46 +- 403.79 Longitude 115.956
Northing 5965.35 +-1132.71 Latitude -36.452
Depth 5.00 +-1470.08 N
Arrival times = 8 S.D. = 1.276 Seismographs = 5
Nearest recorder = 229.6 km Gap = 323.5 deg Accuracy = D
Effects Code = Imax = 0 Fault =
229 km SW (204 deg) of RKG
WESTERN AUSTRALIA
500 km S (179 deg) of PERTH
237 km SW (227 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? 2.5
PHASE INFORMATION
DATA USED
BAL e S 189.60 0.50 0.48 192.13 -2.53 651.9 6 -39.8 39.8
COOL e S 221.00 1.00 0.41 220.58 0.42 782.8 39 -39.8 39.8
KLB w P 116.00 5.00 0.35 116.01 -0.01 564.1 17 -40.9 40.9
KLB e S 170.00 1.00 0.43 173.09 -3.09 564.1 17 -39.8 39.8
MUN e S 158.00 0.30 0.55 158.46 -0.46 496.7 2 -39.8 39.8
NWAO w P 98.00 5.00 0.36 96.77 1.23 408.1 16 -40.9 40.9
NWAO e S 140.00 0.20 0.61 139.25 0.75 408.1 16 -39.8 39.8
RKG e P 74.40 0.20 0.71 74.77 -0.37 229.6 24 -40.9 40.9
RKG e S 99.30 0.20 0.64 100.54 -1.24 229.6 24 -39.8 39.8
Velocity Ratios
RKG NWAO KLB
RKG 1.74 0.00 0.00
0.02 0.00 0.00
NWAO 0.00 1.73 0.00
0.00 0.17 0.00
KLB 0.00 0.00 1.72
0.00 0.00 0.14
Start
Date 1989-08-06
Origin Time 0554 17.62 +- 96.81
Zone 50
Easting 637.23 +- 334.25 Longitude 118.300
Northing 7957.47 +-2097.96 Latitude -18.469
Depth 5.00 +-2672.07 N
Arrival times = 5 S.D. = 0.900 Seismographs = 3
Nearest recorder = 338.6 km Gap = 299.8 deg Accuracy = D
Effects Code = Imax = 0 Fault =
243 km N (349 deg) of RP02
WESTERN AUSTRALIA
293 km NE ( 35 deg) of Dampier
205 km N (352 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 -10.0
PHASE INFORMATION
DATA USED
MBL e P 65.30 0.20 0.69 65.26 0.04 338.6 152 -40.9 40.9
MBL e S 100.00 0.20 0.62 101.23 -1.23 338.6 152 -39.8 39.8
MEKA S 224.00 1.00 0.58 223.58 0.42 902.3 178 -39.8 39.8
NANU e P 90.00 0.20 0.66 89.76 0.24 537.3 212 -40.9 40.9
NANU e S 143.00 0.20 0.59 144.32 -1.32 537.3 212 -39.8 39.8
WARB e P 162.20 0.20 0.61 173.49 -11.29 1216.1 136 -40.9 40.9
WARB e S 280.00 1.00 0.40 291.63 -11.63 1216.1 136 -39.8 39.8
Velocity Ratios
MBL NANU
MBL 1.73 1.74
0.01 0.05
NANU 1.74 1.73
0.05 0.01
Start
Date 1989-08-07
Origin Time 1413 42.10 +- 0.00
Zone 52
Easting 636.56 +- 0.00 Longitude 130.268
Northing 8391.11 +- 0.00 Latitude -14.550
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 1.314 Seismographs = 2
Nearest recorder = 208.9 km Gap = 274.1 deg Accuracy = D
Effects Code = Imax = 0 Fault =
208 km NE ( 50 deg) of KNA
NORTHERN TERRITORY
240 km S (195 deg) of DARWIN
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
KNA e P 72.70 0.20 0.72 73.74 -1.04 208.9 230 -40.9 40.9
KNA e S 98.00 0.50 0.54 97.56 0.44 208.9 230 -39.8 39.8
WB5 e P 139.60 0.10 0.73 138.58 1.02 734.5 144 -40.9 40.9
WB5 e S 209.80 0.40 0.50 211.63 -1.83 734.5 144 -39.8 39.8
Velocity Ratios
KNA WB5
KNA 1.83 1.67
0.03 0.02
WB5 1.67 1.72
0.02 0.01
Start
Date 1989-08-08
Origin Time 0101 54.83 +- 103.66
Zone 50
Easting 794.25 +- 279.70 Longitude 119.840
Northing 7620.31 +- 720.56 Latitude -21.496
Depth 5.00 +-1254.44 N
Arrival times = 5 S.D. = 0.441 Seismographs = 3
Nearest recorder = 37.2 km Gap = 129.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
37 km S (178 deg) of MBL
WESTERN AUSTRALIA
186 km SE (136 deg) of PORT HEDLAND
37 km S (166 deg) of Marble Bar
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.4
PHASE INFORMATION
DATA USED
MBL i P 60.70 0.10 1.37 60.95 -0.25 37.2 358 8.0 8.0
MBL S 66.00 2.00 0.68 65.44 0.56 37.2 358 8.0 8.0
MEKA e S 205.00 5.00 0.31 191.40 13.60 582.5 192 -39.8 39.8
MRWA PN 182.00 0.50 0.52 176.46 5.54 938.6 203 -40.9 40.9
MRWA e S 278.00 1.00 0.40 268.60 9.40 938.6 203 -39.8 39.8
NANU i-P 117.60 0.10 1.10 117.77 -0.17 462.8 254 -40.9 40.9
NANU PMP 125.00 0.50 0.48 122.40 2.60 462.8 254 -31.6 31.6
NANU SN 168.50 1.00 0.41 165.36 3.14 462.8 254 -39.8 39.8
WARB e P 167.20 0.20 0.63 168.02 -0.82 870.0 128 -40.9 40.9
WARB S 254.00 1.00 0.58 253.76 0.24 870.0 128 -39.8 39.8
Velocity Ratios
MBL WARB
MBL 1.90 1.77
0.38 0.03
WARB 1.77 1.77
0.03 0.01
Start
Date 1989-08-10
Origin Time 1545 28.82 +- 4.27
Zone 51
Easting 663.64 +- 7.84 Longitude 124.696
Northing 6685.27 +- 15.26 Latitude -29.952
Depth 5.00 +- 33.55 N
Arrival times = 13 S.D. = 0.911 Seismographs = 9
Nearest recorder = 337.7 km Gap = 125.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
291 km NE ( 66 deg) of KLDM
WESTERN AUSTRALIA
873 km E ( 78 deg) of PERTH
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.1
PHASE INFORMATION
DATA USED
BAL w P 129.00 1.00 0.47 129.98 -0.98 772.5 262 -40.9 40.9
BAL e S 204.00 0.30 0.53 206.58 -2.58 772.5 262 -39.8 39.8
COOL i P 78.80 0.30 0.90 78.68 0.12 356.3 252 -40.9 40.9
COOL e S 116.50 0.50 0.51 116.32 0.18 356.3 252 -39.8 39.8
FORR i P 76.30 0.20 0.98 76.39 -0.09 337.7 107 -40.9 40.9
FORR i S 111.40 0.20 0.88 112.30 -0.90 337.7 107 -39.8 39.8
KLB e P 118.80 0.30 0.59 119.62 -0.82 688.5 252 -40.9 40.9
KLB e S 187.00 0.30 0.53 188.35 -1.35 688.5 252 -39.8 39.8
MBL e P 167.60 0.30 0.56 169.02 -1.42 1089.3 332 -40.9 40.9
MBL e S 272.20 1.00 0.40 275.27 -3.07 1089.3 332 -39.8 39.8
MEKA w P 125.00 3.00 0.38 122.13 2.87 708.7 300 -40.9 40.9
MEKA e S 191.60 0.50 0.48 192.77 -1.17 708.7 300 -39.8 39.8
MRWA e P 137.60 0.50 0.52 139.23 -1.63 847.6 273 -40.9 40.9
MRWA e S 219.40 0.20 0.56 222.85 -3.45 847.6 273 -39.8 39.8
MUN e S 218.20 0.20 0.56 221.63 -3.43 842.0 252 -39.8 39.8
NANU e P 187.00 0.50 0.51 186.73 0.27 1232.9 309 -40.9 40.9
NANU e S 301.00 1.00 0.40 306.41 -5.41 1232.9 309 -39.8 39.8
NWAO w P 139.00 5.00 0.34 131.20 7.80 782.5 243 -40.9 40.9
NWAO e S 205.50 1.00 0.41 208.72 -3.22 782.5 243 -39.8 39.8
RKG e P 145.30 0.20 0.62 144.08 1.22 886.9 232 -40.9 40.9
RKG e S 231.00 0.50 0.47 231.39 -0.39 886.9 232 -39.8 39.8
WARB e P 92.70 0.20 0.67 91.41 1.29 459.6 24 -40.9 40.9
WARB e S 136.00 1.00 0.44 138.73 -2.73 459.6 24 -39.8 39.8
Velocity Ratios
FORR COOL KLB RKG
FORR 1.74 0.00 1.78 1.73
0.01 0.00 0.03 0.02
COOL 0.00 1.75 1.76 1.72
0.00 0.02 0.05 0.03
KLB 1.78 1.76 1.76 1.66
0.03 0.05 0.01 0.06
RKG 1.73 1.72 1.66 1.74
0.02 0.03 0.06 0.01
Start
Date 1989-08-13
Origin Time 1254 59.62 +- 16.27
Zone 50
Easting 624.73 +- 56.68 Longitude 118.344
Northing 6282.91 +- 38.84 Latitude -33.586
Depth 1.00 +- 125.27 C
Arrival times = 9 S.D. = 0.670 Seismographs = 5
Nearest recorder = 17.3 km Gap = 171.4 deg Accuracy = A
Effects Code = Imax = 0 Fault =
17 km SW (236 deg) of PIN
WESTERN AUSTRALIA
296 km SE (128 deg) of PERTH
163 km N ( 16 deg) of ALBANY
50 km NE ( 40 deg) of Gnowangerup
Record Dur Sync Unc Resp Seismometer Recorder Pol
PIN 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
PHASE INFORMATION
DATA USED
COOL P 115.00 5.00 0.51 115.24 -0.24 399.6 41 -40.9 40.9
COOL SN 156.00 1.00 0.42 157.24 -1.24 399.6 41 -39.8 39.8
COOL SMS 166.00 1.00 0.35 163.50 2.50 399.6 41 -30.1 30.1
KLB e P 94.40 0.10 0.82 94.04 0.36 227.8 345 -40.9 40.9
KLB e S 120.10 0.20 0.64 119.94 0.16 227.8 345 -39.8 39.8
MUN e P 100.00 0.50 0.59 98.98 1.02 267.9 311 -40.9 40.9
MUN e S 127.00 0.50 0.53 128.63 -1.63 267.9 311 -39.8 39.8
NWAO i-P 80.00 0.10 1.23 80.29 -0.29 126.7 305 0.6 0.6
NWAO e S 94.60 0.20 0.68 95.42 -0.82 126.7 305 0.6 0.6
PIN S-P 3.00 0.10 1.40 2.08 0.92 17.3 56 0.0 0.0
RKG i P 85.60 0.10 1.21 85.72 -0.12 164.4 227 -31.2 31.2
RKG e S 105.00 0.20 0.66 105.23 -0.23 164.4 227 -29.6 29.6
Velocity Ratios
NWAO RKG KLB
NWAO 1.72 1.86 1.77
0.02 0.14 0.05
RKG 1.86 1.75 1.72
0.14 0.01 0.09
KLB 1.77 1.72 1.74
0.05 0.09 0.01
Start
Date 1989-08-14
Origin Time 0758 42.45 +- 0.00
Zone 52
Easting 459.46 +- 0.00 Longitude 128.620
Northing 8169.07 +- 0.00 Latitude -16.560
Depth 5.00 +- 0.00 C
Arrival times = 4 S.D. = 2.155 Seismographs = 2
Nearest recorder = 91.0 km Gap = 180.6 deg Accuracy = C
Effects Code = Imax = 0 Fault =
90 km S (189 deg) of KNA
WESTERN AUSTRALIA
87 km S (188 deg) of Kununurra
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.3
PHASE INFORMATION
DATA USED
KNA i+P 58.50 0.10 1.27 57.31 1.19 91.0 9 3.2 3.2
KNA e S 69.40 0.20 0.70 68.19 1.21 91.0 9 3.2 3.2
WARB P 180.50 0.10 1.00 182.15 -1.65 1084.9 190 -40.9 40.9
WARB S 284.00 1.00 0.57 288.00 -4.00 1084.9 190 -39.8 39.8
Velocity Ratios
KNA WARB
KNA 1.68 1.76
0.02 0.01
WARB 1.76 1.75
0.01 0.01
Start
Date 1989-08-14
Origin Time 1550 43.27 +- 5.93
Zone 50
Easting 798.40 +- 43.14 Longitude 119.863
Northing 7716.01 +- 33.60 Latitude -20.631
Depth 5.00 +- 46.95 N
Arrival times = 7 S.D. = 0.829 Seismographs = 4
Nearest recorder = 58.6 km Gap = 249.1 deg Accuracy = D
Effects Code = Imax = 0 Fault =
58 km N ( 3 deg) of MBL
WESTERN AUSTRALIA
139 km E (106 deg) of PORT HEDLAND
61 km N ( 11 deg) of Marble Bar
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.5
PHASE INFORMATION
DATA USED
MBL S-P 7.20 0.50 0.95 7.03 0.17 58.6 183 0.0 0.0
MBL i P 52.60 0.10 1.32 52.88 -0.28 58.6 183 5.1 5.1
MBL e S 59.80 0.50 0.60 59.90 -0.10 58.6 183 5.1 5.1
MEKA P 131.50 0.50 0.76 132.63 -1.13 676.6 191 -40.9 40.9
MEKA S 231.00 1.00 0.60 200.26 30.74 676.6 191 -39.8 39.8
NANU w P 113.00 1.00 0.49 110.67 2.33 499.0 243 -40.9 40.9
NANU w SN 152.00 1.00 0.30 161.65 -9.65 499.0 243 -39.8 39.8
WARB w P 165.00 1.00 0.46 163.96 1.04 930.7 133 -40.9 40.9
WARB S 255.00 0.10 0.92 255.38 -0.38 930.7 133 -39.8 39.8
Velocity Ratios
MBL WARB
MBL 1.77 1.74
0.07 0.02
WARB 1.74 1.74
0.02 0.02
Start
Date 1989-08-15
Origin Time 0458 11.47 +- 0.00
Zone 52
Easting 672.34 +- 0.00 Longitude 130.736
Northing 7015.51 +- 0.00 Latitude -26.972
Depth 5.00 +- 0.00 N
Arrival times = 3 S.D. = 0.641 Seismographs = 2
Nearest recorder = 416.9 km Gap = 289.5 deg Accuracy = D
Effects Code = Imax = 0 Fault =
417 km E (102 deg) of WARB
SOUTH AUSTRALIA
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.4
PHASE INFORMATION
DATA USED
FORR S 129.00 1.00 0.62 129.62 -0.62 497.5 210 -39.8 39.8
WARB P 68.80 1.00 0.70 68.80 -0.00 416.9 281 -40.9 40.9
WARB S 111.50 0.20 0.87 112.12 -0.62 416.9 281 -39.8 39.8
Velocity Ratios
WARB
WARB 1.74
0.03
Start
Date 1989-08-17
Origin Time 0918 52.80 +- 102.55
Zone 51
Easting 457.83 +- 483.59 Longitude 122.568
Northing 6805.10 +- 464.95 Latitude -28.881
Depth 5.00 +- 843.84 N
Arrival times = 5 S.D. = 0.761 Seismographs = 3
Nearest recorder = 261.0 km Gap = 202.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
213 km NE ( 26 deg) of KLKB
WESTERN AUSTRALIA
729 km NE ( 64 deg) of PERTH
32 km SE (150 deg) of Laverton
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
COOL e P 90.30 0.10 0.81 90.90 -0.60 261.0 211 -40.9 40.9
COOL e S 121.00 1.00 0.46 119.62 1.38 261.0 211 -39.8 39.8
FORR P 129.00 1.00 0.68 129.33 -0.33 572.6 113 -40.9 40.9
WARB P 120.30 0.20 0.95 120.54 -0.24 501.4 54 -40.9 40.9
WARB e S 173.00 1.00 0.43 171.77 1.23 501.4 54 -39.8 39.8
Velocity Ratios
COOL WARB
COOL 1.82 1.73
0.03 0.08
WARB 1.73 1.78
0.08 0.02
Start
Date 1989-08-23
Origin Time 1616 31.32 +- 0.00
Zone 51
Easting 647.30 +- 0.00 Longitude 124.370
Northing 8339.69 +- 0.00 Latitude -15.014
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 0.509 Seismographs = 2
Nearest recorder = 479.8 km Gap = 342.0 deg Accuracy = D
Effects Code = Imax = 0 Fault =
478 km W (279 deg) of KNA
WESTERN AUSTRALIA
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
KNA e P 96.40 0.20 0.66 96.36 0.04 479.8 100 -40.9 40.9
KNA e S 144.90 0.20 0.60 145.54 -0.64 479.8 100 -39.8 39.8
WB5 e P 184.90 0.40 0.53 184.95 -0.05 1198.0 118 -40.9 40.9
WB5 S 300.80 0.50 0.65 301.38 -0.58 1198.0 118 -39.8 39.8
Velocity Ratios
KNA WB5
KNA 1.75 1.76
0.01 0.02
WB5 1.76 1.75
0.02 0.01
Start
Date 1989-08-27
Origin Time 0927 11.90 +- 9.79
Zone 51
Easting 443.89 +- 44.40 Longitude 122.431
Northing 6931.37 +- 56.27 Latitude -27.741
Depth 1.00 +- 110.40 G
Arrival times = 8 S.D. = 1.293 Seismographs = 4
Nearest recorder = 369.9 km Gap = 141.3 deg Accuracy = D
Effects Code = Imax = 0 Fault =
328 km N ( 14 deg) of KLKB
WESTERN AUSTRALIA
788 km NE ( 55 deg) of PERTH
55 km NW (299 deg) of Cosmo Newberry
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
COOL e P 62.50 0.50 0.57 63.22 -0.72 369.9 199 -42.2 42.2
COOL S 102.00 1.00 0.64 101.37 0.63 369.9 199 -40.3 40.3
FORR e P 95.50 2.00 0.41 96.40 -0.90 644.4 123 -42.2 42.2
FORR e S 158.00 1.00 0.42 159.15 -1.15 644.4 123 -40.3 40.3
MEKA e P 66.50 0.50 0.56 67.58 -1.08 406.1 287 -42.2 42.2
MEKA e S 121.00 1.00 0.44 108.98 12.02 406.1 287 -40.3 40.3
WARB P 75.00 0.50 0.80 73.18 1.82 452.4 68 -42.2 42.2
WARB PG 85.40 0.50 0.80 85.71 -0.31 452.4 68 0.2 0.2
WARB SG 135.00 5.00 0.45 136.88 -1.88 452.4 68 0.2 0.2
Velocity Ratios
COOL FORR
COOL 1.78 0.00
0.04 0.00
FORR 0.00 1.75
0.00 0.06
Start
Date 1989-08-28
Origin Time 2124 21.46 +- 217.00
Zone 50
Easting 166.96 +-1139.84 Longitude 113.763
Northing 7508.37 +-1616.74 Latitude -22.499
Depth 5.00 +-2993.84 N
Arrival times = 5 S.D. = 1.385 Seismographs = 4
Nearest recorder = 178.8 km Gap = 273.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
108 km NW (311 deg) of LP03
WESTERN AUSTRALIA
74 km SW (210 deg) of Exmouth
43 km SW (230 deg) of Learmonth
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.5
PHASE INFORMATION
DATA USED
MBL e P 105.70 0.10 0.74 106.85 -1.15 644.8 77 -40.9 40.9
MBL e S 165.00 0.30 0.54 171.48 -6.48 644.8 77 -39.8 39.8
MRWA e S 199.00 2.00 0.36 200.28 -1.28 777.4 163 -39.8 39.8
NANU i-P 50.30 0.10 1.20 49.20 1.10 178.8 91 -31.2 31.2
NANU e S 69.00 1.00 0.48 70.00 -1.00 178.8 91 -29.6 29.6
WARB w P 196.00 5.00 0.33 196.56 -0.56 1372.0 110 -40.9 40.9
WARB e S 325.00 0.50 0.46 329.29 -4.29 1372.0 110 -39.8 39.8
Velocity Ratios
NANU
NANU 1.65
0.04
Start
Date 1989-08-28
Origin Time 2125 11.82 +- 164.84
Zone 50
Easting 170.38 +-1302.66 Longitude 113.796
Northing 7503.49 +-1842.20 Latitude -22.543
Depth 5.00 +-3410.72 N
Arrival times = 5 S.D. = 1.420 Seismographs = 4
Nearest recorder = 175.4 km Gap = 273.3 deg Accuracy = C
Effects Code = Imax = 0 Fault =
102 km NW (311 deg) of LP03
WESTERN AUSTRALIA
77 km SW (206 deg) of Exmouth
44 km SW (222 deg) of Learmonth
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.6
PHASE INFORMATION
DATA USED
MBL e P 96.00 1.00 0.47 96.94 -0.94 642.6 77 -40.9 40.9
MBL e S 156.00 0.30 0.54 161.37 -5.37 642.6 77 -39.8 39.8
MRWA e S 189.00 1.00 0.41 189.41 -0.41 771.8 163 -39.8 39.8
NANU e P 40.80 0.30 0.67 39.08 1.72 175.4 90 -31.2 31.2
NANU e S 59.00 1.00 0.48 59.52 -0.52 175.4 90 -29.6 29.6
WARB e P 185.00 0.50 0.51 186.32 -1.32 1367.2 109 -40.9 40.9
WARB e S 314.00 1.00 0.40 318.60 -4.60 1367.2 109 -39.8 39.8
Velocity Ratios
NANU
NANU 1.63
0.05
Start
Date 1989-09-02
Origin Time 0333 42.33 +- 97.50
Zone 50
Easting 778.17 +- 323.61 Longitude 119.721
Northing 7412.56 +- 177.94 Latitude -23.373
Depth 5.00 +- 875.68 N
Arrival times = 5 S.D. = 0.873 Seismographs = 3
Nearest recorder = 245.5 km Gap = 153.8 deg Accuracy = D
Effects Code = Imax = 0 Fault =
47 km N (359 deg) of MY38
WESTERN AUSTRALIA
360 km S (161 deg) of PORT HEDLAND
4 km E ( 95 deg) of Mt Newman Mine
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
MBL e P 78.40 0.20 0.71 78.49 -0.09 245.5 2 -40.9 40.9
MBL e S 105.10 0.20 0.64 105.74 -0.64 245.5 2 -39.8 39.8
MRWA e P 140.00 1.00 0.46 140.29 -0.29 746.6 208 -40.9 40.9
WARB e P 144.10 0.30 0.58 143.16 0.94 769.7 115 -40.9 40.9
WARB e S 218.00 0.50 0.47 219.50 -1.50 769.7 115 -39.8 39.8
Velocity Ratios
MBL WARB
MBL 1.74 1.72
0.02 0.02
WARB 1.72 1.73
0.02 0.01
Start
Date 1989-09-02 Event type = BL
Origin Time 0432 45.57 +- 5.31
Zone 50
Easting 431.15 +- 205.91 Longitude 116.335
Northing 7605.17 +- 186.34 Latitude -21.655
Depth 0.00 +- 222.99 C
Arrival times = 10 S.D. = 1.584 Seismographs = 5
Nearest recorder = 130.8 km Gap = 221.2 deg Accuracy = D
Effects Code = Imax = 0 Fault =
47 km E (102 deg) of LP05
WESTERN AUSTRALIA
118 km S (200 deg) of Dampier
117 km SW (208 deg) of Karratha
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.8
PHASE INFORMATION
DATA USED
MBL e P 99.70 0.20 0.68 97.23 2.47 366.8 81 -40.9 40.9
MBL e S 138.00 2.00 0.39 136.21 1.79 366.8 81 -39.8 39.8
MEKA e P 126.30 0.50 0.54 125.13 1.17 592.8 158 -40.9 40.9
MEKA w S 183.00 5.00 0.31 185.29 -2.29 592.8 158 -39.8 39.8
MRWA e P 154.40 0.30 0.58 155.37 -0.97 838.2 182 -40.9 40.9
MRWA e S 235.00 0.50 0.47 238.49 -3.49 838.2 182 -39.8 39.8
NANU S-P 16.60 0.10 1.23 15.61 0.99 130.8 220 0.0 0.0
NANU i-P 66.40 0.10 1.23 66.91 -0.51 130.8 220 0.0 0.0
NANU e S 83.00 1.00 0.49 82.53 0.47 130.8 220 0.0 0.0
WARB e P 194.70 0.20 0.61 195.84 -1.14 1166.3 117 -40.9 40.9
WARB e S 304.00 0.50 0.46 309.69 -5.69 1166.3 117 -39.8 39.8
Velocity Ratios
NANU MBL MEKA MRWA
NANU 1.80 1.65 1.67 1.73
0.06 0.11 0.12 0.03
MBL 1.65 1.71 0.00 1.77
0.11 0.04 0.00 0.06
MEKA 1.67 0.00 1.70 0.00
0.12 0.00 0.07 0.00
MRWA 1.73 1.77 0.00 1.74
0.03 0.06 0.00 0.01
Start
Date 1989-09-04
Origin Time 0811 12.50 +- 0.00
Zone 52
Easting 476.96 +- 0.00 Longitude 128.784
Northing 8180.53 +- 0.00 Latitude -16.457
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 0.381 Seismographs = 2
Nearest recorder = 78.2 km Gap = 235.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
78 km S (178 deg) of KNA
WESTERN AUSTRALIA
75 km S (176 deg) of Kununurra
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.0
PHASE INFORMATION
DATA USED
KNA i+P 25.30 0.10 1.29 25.29 0.01 78.2 358 3.8 3.8
KNA i S 34.20 0.10 1.16 34.64 -0.44 78.2 358 3.8 3.8
WB5 e P 105.00 0.10 0.73 105.03 -0.03 702.5 123 -40.9 40.9
WB5 e S 174.50 0.10 0.66 175.07 -0.57 702.5 123 -39.8 39.8
Velocity Ratios
KNA WB5
KNA 1.70 1.76
0.02 0.01
WB5 1.76 1.75
0.01 0.00
Start
Date 1989-09-04
Origin Time 0952 49.64 +- 11.26
Zone 49
Easting 699.77 +- 112.40 Longitude 112.980
Northing 7231.59 +- 24.37 Latitude -25.018
Depth 5.00 +- 107.69 N
Arrival times = 9 S.D. = 0.753 Seismographs = 5
Nearest recorder = 375.9 km Gap = 244.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
183 km W (267 deg) of LP02
WESTERN AUSTRALIA
818 km N (339 deg) of PERTH
71 km W (257 deg) of CARNARVON
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
PHASE INFORMATION
DATA USED
MBL e P 156.00 2.00 0.40 157.26 -1.26 825.0 59 -40.9 40.9
MBL e S 232.00 1.00 0.41 238.76 -6.76 825.0 59 -39.8 39.8
MEKA e P 127.50 0.50 0.54 127.80 -0.30 585.8 108 -40.9 40.9
MEKA e S 187.00 5.00 0.31 186.93 0.07 585.8 108 -39.8 39.8
MRWA e P 124.40 0.30 0.60 123.82 0.58 553.8 148 -40.9 40.9
MRWA e S 179.50 0.50 0.49 179.94 -0.44 553.8 148 -39.8 39.8
MUN w P 159.00 3.00 0.37 158.43 0.57 834.5 158 -40.9 40.9
MUN e S 239.00 1.00 0.41 240.82 -1.82 834.5 158 -39.8 39.8
NANU e P 102.00 0.20 0.68 101.86 0.14 375.9 43 -40.9 40.9
NANU e S 141.00 0.20 0.61 141.31 -0.31 375.9 43 -39.8 39.8
Velocity Ratios
NANU MRWA MEKA MUN
NANU 1.74 1.72 0.00 1.72
0.01 0.07 0.00 0.12
MRWA 1.72 1.74 0.00 0.00
0.07 0.01 0.00 0.00
MEKA 0.00 0.00 1.76 0.00
0.00 0.00 0.08 0.00
MUN 1.72 0.00 0.00 1.73
0.12 0.00 0.00 0.06
Start
Date 1989-09-04
Origin Time 2331 55.03 +- 7.66
Zone 50
Easting 459.14 +- 23.49 Longitude 116.561
Northing 6317.24 +- 24.45 Latitude -33.283
Depth 0.36 +- 42.38
Arrival times = 8 S.D. = 1.045 Seismographs = 4
Nearest recorder = 74.1 km Gap = 248.9 deg Accuracy = B
Effects Code = Imax = 0 Fault =
54 km NW (310 deg) of BEAU
WESTERN AUSTRALIA
174 km NE ( 49 deg) of AUGUSTA
162 km SE (156 deg) of PERTH
17 km W (288 deg) of Darkan
Record Dur Sync Unc Resp Seismometer Recorder Pol
PIN 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
PHASE INFORMATION
DATA USED
BAL w P 93.00 5.00 0.37 98.04 -5.04 297.0 2 -40.9 40.9
BAL e S 135.00 1.00 0.45 130.47 4.53 297.0 2 -39.8 39.8
KLB e P 89.00 0.10 0.82 88.40 0.60 218.7 31 -40.9 40.9
KLB e S 112.90 0.20 0.64 113.50 -0.60 218.7 31 -39.8 39.8
MRWA e P 117.80 0.20 0.67 117.38 0.42 453.8 353 -40.9 40.9
MRWA e S 164.00 1.00 0.44 164.47 -0.47 453.8 353 -39.8 39.8
MUN e P 78.70 0.20 0.74 78.93 -0.23 148.4 347 -31.2 31.2
MUN e S 95.70 0.20 0.67 96.77 -1.07 148.4 347 -29.6 29.6
NWAO e P 66.90 0.20 0.79 67.12 -0.22 74.1 57 0.5 0.5
NWAO i S 75.60 0.10 1.16 75.97 -0.37 74.1 57 0.5 0.5
PIN i P 85.20 0.10 1.19 83.61 1.59 181.9 98 -31.2 31.2
PIN e S 106.20 0.20 0.65 105.01 1.19 181.9 98 -29.6 29.6
Velocity Ratios
NWAO MUN PIN KLB
NWAO 1.73 1.70 1.67 1.69
0.04 0.09 0.04 0.04
MUN 1.70 1.72 1.62 1.67
0.09 0.02 0.14 0.09
PIN 1.67 1.62 1.70 0.00
0.04 0.14 0.01 0.00
KLB 1.69 1.67 0.00 1.70
0.04 0.09 0.00 0.01
Start
Date 1989-09-06 Event type = BL
Origin Time 0345 53.36 +- 0.00
Zone 50
Easting 791.82 +- 0.00 Longitude 119.852
Northing 7426.83 +- 0.00 Latitude -23.242
Depth 5.00 +- 0.00 N
Arrival times = 3 S.D. = 0.202 Seismographs = 3
Nearest recorder = 230.7 km Gap = 162.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
63 km N ( 11 deg) of MY38
WESTERN AUSTRALIA
351 km S (158 deg) of PORT HEDLAND
23 km NE ( 51 deg) of Mt Newman Mine
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
PHASE INFORMATION
DATA USED
MBL i+P 87.70 0.10 1.17 87.70 -0.00 230.7 359 -40.9 40.9
MBL e S 119.70 0.50 0.53 113.57 6.13 230.7 359 -39.8 39.8
NANU e P 114.70 0.50 0.56 115.10 -0.40 453.0 279 -40.9 40.9
NANU e S 172.00 1.00 0.44 161.78 10.22 453.0 279 -39.8 39.8
WARB e P 153.50 0.20 0.63 153.50 0.00 764.1 116 -40.9 40.9
WARB e S 229.00 0.50 0.48 229.32 -0.32 764.1 116 -39.8 39.8
NO VELOCITY RATIOS
Start
Date 1989-09-12
Origin Time 0424 32.77 +- 5.90
Zone 50
Easting 556.49 +- 56.65 Longitude 117.615
Northing 6193.84 +- 88.96 Latitude -34.395
Depth 1.30 +- 121.38
Arrival times = 7 S.D. = 0.683 Seismographs = 4
Nearest recorder = 58.8 km Gap = 210.9 deg Accuracy = A
Effects Code = F Imax = 3 Fault =
58 km E ( 70 deg) of RKG
WESTERN AUSTRALIA
317 km SE (149 deg) of PERTH
71 km N (341 deg) of ALBANY
12 km SE (151 deg) of Cranbrook
Record Dur Sync Unc Resp Seismometer Recorder Pol
PIN 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.0
PHASE INFORMATION
DATA USED
COOL e S 171.00 1.00 0.34 154.59 16.41 511.4 41 -39.8 39.8
KLB e P 79.00 1.00 0.50 77.43 1.57 311.1 2 -40.9 40.9
KLB e S 112.00 1.00 0.45 111.11 0.89 311.1 2 -39.8 39.8
MUN e S 107.60 0.50 0.52 108.32 -0.72 298.3 333 -39.8 39.8
NWAO e P 59.40 0.20 0.73 59.14 0.26 166.6 347 -31.2 31.2
NWAO i S 78.00 0.10 1.08 78.86 -0.86 166.6 347 -29.6 29.6
PIN i P 54.60 0.10 1.23 53.76 0.84 128.6 39 0.7 0.7
PIN e S 69.90 0.30 0.62 69.12 0.78 128.6 39 0.7 0.7
RKG i-P 42.40 0.10 1.32 42.36 0.04 58.8 250 1.6 1.6
RKG i S 49.00 0.10 1.19 49.38 -0.38 58.8 250 1.6 1.6
Velocity Ratios
RKG PIN NWAO
RKG 1.69 1.71 1.71
0.03 0.06 0.04
PIN 1.71 1.70 0.00
0.06 0.02 0.00
NWAO 1.71 0.00 1.70
0.04 0.00 0.02
Start
Date 1989-09-12
Origin Time 1007 2.52 +- 33.41
Zone 50
Easting 407.73 +- 112.14 Longitude 116.081
Northing 7166.38 +- 70.16 Latitude -25.617
Depth 5.00 +- 303.89 N
Arrival times = 6 S.D. = 0.591 Seismographs = 4
Nearest recorder = 268.9 km Gap = 168.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
147 km SE (119 deg) of LP02
WESTERN AUSTRALIA
702 km N ( 2 deg) of PERTH
256 km E (109 deg) of CARNARVON
59 km W (265 deg) of Erong Springs
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 77.50 0.10 0.75 77.00 0.50 556.2 173 -40.9 40.9
BAL e S 132.70 0.50 0.49 133.34 -0.64 556.2 173 -39.8 39.8
COOL e P 100.50 0.50 0.53 102.95 -2.45 766.4 140 -40.9 40.9
COOL e S 170.00 2.00 0.36 178.98 -8.98 766.4 140 -39.8 39.8
FORR e P 166.00 1.00 0.44 170.39 -4.39 1313.3 118 -40.9 40.9
FORR e S 288.00 0.50 0.46 297.63 -9.63 1313.3 118 -39.8 39.8
KLB e P 92.00 0.20 0.64 92.51 -0.51 681.9 166 -40.9 40.9
KLB e S 157.50 0.50 0.48 160.63 -3.13 681.9 166 -39.8 39.8
MBL e P 81.60 0.20 0.65 85.48 -3.88 625.0 38 -40.9 40.9
MBL e S 145.00 0.50 0.49 148.25 -3.25 625.0 38 -39.8 39.8
MEKA i+P 41.50 0.10 1.15 41.61 -0.11 268.9 114 -40.9 40.9
MEKA e S 71.00 5.00 0.33 71.08 -0.08 268.9 114 -39.8 39.8
MRWA e P 56.00 2.00 0.43 57.62 -1.62 399.0 181 -40.9 40.9
MRWA e S 98.00 0.50 0.51 99.25 -1.25 399.0 181 -39.8 39.8
MUN e P 96.20 0.50 0.53 95.34 0.86 704.9 179 -40.9 40.9
MUN e S 165.00 1.00 0.42 165.60 -0.60 704.9 179 -39.8 39.8
NANU e P 50.60 0.50 0.57 50.98 -0.38 345.3 350 -40.9 40.9
NANU e S 84.00 2.00 0.39 87.56 -3.56 345.3 350 -39.8 39.8
NANU e SN 92.00 1.00 0.30 87.56 4.44 345.3 350 -39.8 39.8
NWAO e P 108.00 0.50 0.52 109.23 -1.23 817.6 172 -40.9 40.9
NWAO e S 184.00 1.00 0.41 190.04 -6.04 817.6 172 -39.8 39.8
WARB e P 134.00 1.00 0.44 139.54 -5.54 1063.2 95 -40.9 40.9
WARB e S 234.00 0.20 0.55 243.36 -9.36 1063.2 95 -39.8 39.8
Velocity Ratios
MEKA BAL
MEKA 1.76 1.71
0.13 0.16
BAL 1.71 1.74
0.16 0.01
Start
Date 1989-09-13
Origin Time 2027 30.24 +- 0.00
Zone 49
Easting 442.91 +- 0.00 Longitude 110.435
Northing 7251.18 +- 0.00 Latitude -24.853
Depth 5.00 +- 0.00
Arrival times = 4 S.D. = 0.257 Seismographs = 4
Nearest recorder = 576.5 km Gap = 278.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
415 km W (290 deg) of LP01
948 km NW (325 deg) of PERTH
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.4
PHASE INFORMATION
DATA USED
MBL e P 165.80 1.00 0.44 165.52 0.28 1049.3 68 -40.9 40.9
MBL e S 258.00 1.00 0.40 268.02 -10.02 1049.3 68 -39.8 39.8
MEKA i+P 139.50 0.10 1.03 139.37 0.13 837.0 105 -40.9 40.9
MEKA e S 213.30 0.20 0.56 222.02 -8.72 837.0 105 -39.8 39.8
MRWA i P 126.40 0.10 1.04 126.63 -0.23 733.9 132 -40.9 40.9
MRWA e S 192.40 0.20 0.57 199.61 -7.21 733.9 132 -39.8 39.8
MUN e P 156.30 0.20 0.62 155.92 0.38 971.4 145 -40.9 40.9
MUN e S 244.70 0.50 0.46 251.13 -6.43 971.4 145 -39.8 39.8
NANU i+P 107.40 0.10 1.07 107.20 0.20 576.5 64 -40.9 40.9
NANU e S 159.30 0.50 0.49 165.44 -6.14 576.5 64 -39.8 39.8
WARB e P 234.00 0.50 0.51 239.64 -5.64 1650.2 98 -40.9 40.9
WARB e S 381.00 0.50 0.46 398.41 -17.41 1650.2 98 -39.8 39.8
NO VELOCITY RATIOS
Start
Date 1989-09-13
Origin Time 2152 48.79 +- 14.54
Zone 52
Easting 600.33 +- 35.31 Longitude 129.969
Northing 7620.29 +- 37.35 Latitude -21.517
Depth 5.00 +- 133.46 N
Arrival times = 6 S.D. = 0.584 Seismographs = 4
Nearest recorder = 470.5 km Gap = 136.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
449 km SW (245 deg) of TCBY
NORTHERN TERRITORY
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML? 3.5
PHASE INFORMATION
DATA USED
ASPA i+P 112.80 0.10 1.09 112.73 0.07 470.5 121 -40.9 40.9
ASPA e S 161.00 0.20 0.60 161.07 -0.07 470.5 121 -39.8 39.8
FORR e P 181.90 1.00 0.44 183.61 -1.71 1045.3 190 -40.9 40.9
FORR e S 277.50 0.50 0.46 285.76 -8.26 1045.3 190 -39.8 39.8
KNA e P 135.60 0.30 0.59 134.90 0.70 650.6 348 -40.9 40.9
KNA e S 201.60 0.50 0.48 200.07 1.53 650.6 348 -39.8 39.8
MBL e P 182.00 1.00 0.44 184.78 -2.78 1055.1 270 -40.9 40.9
MBL e S 282.00 1.00 0.40 287.82 -5.82 1055.1 270 -39.8 39.8
MRWA e P 250.00 1.00 0.44 258.41 -8.41 1652.2 235 -40.9 40.9
MRWA e S 404.00 1.00 0.40 417.36 -13.36 1652.2 235 -39.8 39.8
MUN w P 268.00 5.00 0.33 276.62 -8.62 1799.9 226 -40.9 40.9
MUN e S 433.00 1.00 0.40 449.38 -16.38 1799.9 226 -39.8 39.8
WARB e P 130.80 0.20 0.65 130.88 -0.08 617.8 212 -40.9 40.9
WARB e S 192.00 1.00 0.42 193.00 -1.00 617.8 212 -39.8 39.8
WB5 e P 114.60 0.20 0.66 115.56 -0.96 493.6 69 -40.9 40.9
Velocity Ratios
ASPA WARB
ASPA 1.75 1.72
0.01 0.10
WARB 1.72 1.75
0.10 0.02
Start
Date 1989-09-16
Origin Time 0918 46.22 +- 93.69
Zone 51
Easting 426.08 +- 167.70 Longitude 122.244
Northing 6834.43 +- 231.34 Latitude -28.615
Depth 5.00 +- 791.59 N
Arrival times = 5 S.D. = 0.499 Seismographs = 3
Nearest recorder = 272.9 km Gap = 156.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
229 km N ( 16 deg) of KLKB
WESTERN AUSTRALIA
717 km NE ( 61 deg) of PERTH
15 km W (276 deg) of Laverton
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.8
PHASE INFORMATION
DATA USED
COOL e P 85.00 0.50 0.58 85.36 -0.36 272.9 202 -42.2 42.2
COOL e S 115.00 1.00 0.46 114.55 0.45 272.9 202 -40.3 40.3
MEKA e S 170.00 1.00 0.44 147.26 22.74 428.3 300 -40.3 40.3
MRWA e P 126.00 0.50 0.54 126.57 -0.57 613.9 262 -42.2 42.2
MRWA e S 187.00 1.00 0.42 186.30 0.70 613.9 262 -40.3 40.3
WARB e P 114.40 0.20 0.66 114.23 0.17 511.7 59 -42.2 42.2
WARB e S 182.30 0.30 0.55 164.81 17.49 511.7 59 -40.3 40.3
Velocity Ratios
COOL MRWA
COOL 1.77 1.76
0.05 0.09
MRWA 1.76 1.76
0.09 0.02
Start
Date 1989-09-19
Origin Time 2239 30.56 +- 1.27
Zone 50
Easting 509.12 +- 6.99 Longitude 117.096
Northing 6502.14 +- 8.94 Latitude -31.616
Depth 1.39 +- 33.62
Arrival times = 7 S.D. = 0.394 Seismographs = 4
Nearest recorder = 63.0 km Gap = 106.1 deg Accuracy = A
Effects Code = Imax = 0 Fault =
31 km E ( 94 deg) of YORK
WESTERN AUSTRALIA
124 km E ( 73 deg) of PERTH
8 km E ( 79 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 1.9
PHASE INFORMATION
DATA USED
BAL i P 49.80 0.10 1.24 49.78 0.02 117.8 341 0.8 0.8
BAL i S 63.20 0.10 1.12 63.85 -0.65 117.8 341 0.8 0.8
KLB i P 40.90 0.10 1.31 40.84 0.06 63.0 87 1.5 1.5
KLB i S 48.00 0.10 1.18 48.37 -0.37 63.0 87 1.5 1.5
MRWA e P 74.00 1.00 0.51 72.11 1.89 286.0 338 -40.9 40.9
MRWA e S 107.40 0.20 0.63 103.42 3.98 286.0 338 -39.8 39.8
MUN i P 45.60 0.10 1.27 45.76 -0.16 93.2 244 1.0 1.0
MUN i S 56.50 0.10 1.14 56.88 -0.38 93.2 244 1.0 1.0
NWAO e P 52.50 2.00 0.47 54.02 -1.52 145.9 174 -31.2 31.2
NWAO e S 70.80 0.20 0.67 71.54 -0.74 145.9 174 -29.6 29.6
Velocity Ratios
KLB MUN BAL
KLB 1.69 1.81 1.71
0.03 0.12 0.06
MUN 1.81 1.72 1.60
0.12 0.02 0.13
BAL 1.71 1.60 1.70
0.06 0.13 0.01
Start
Date 1989-09-21
Origin Time 0953 58.80 +- 28.20
Zone 50
Easting 646.25 +- 104.10 Longitude 118.453
Northing 7199.37 +- 43.04 Latitude -25.315
Depth 5.00 +- 260.84 N
Arrival times = 6 S.D. = 1.009 Seismographs = 4
Nearest recorder = 144.2 km Gap = 138.3 deg Accuracy = D
Effects Code = Imax = 0 Fault =
144 km N (356 deg) of MEKA
WESTERN AUSTRALIA
778 km N ( 20 deg) of PERTH
140 km N (358 deg) of MEEKATHARRA
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
PHASE INFORMATION
DATA USED
MBL e P 122.00 1.00 0.48 124.06 -2.06 481.4 17 -40.9 40.9
MBL e S 173.00 1.00 0.43 173.40 -0.40 481.4 17 -39.8 39.8
MEKA i-P 81.40 0.10 1.22 81.76 -0.36 144.2 176 -31.2 31.2
MEKA e S 99.00 1.00 0.49 98.91 0.09 144.2 176 -29.6 29.6
MRWA e S 173.00 1.00 0.43 176.58 -3.58 496.0 208 -39.8 39.8
NANU e P 118.00 0.20 0.67 117.63 0.37 429.4 315 -40.9 40.9
NANU e S 168.00 0.50 0.50 162.08 5.92 429.4 315 -39.8 39.8
WARB e P 169.00 1.00 0.46 167.14 1.86 830.6 98 -40.9 40.9
WARB w S 250.00 5.00 0.30 249.18 0.82 830.6 98 -39.8 39.8
Velocity Ratios
MEKA MBL
MEKA 1.78 1.82
0.05 0.10
MBL 1.82 1.81
0.10 0.05
Start
Date 1989-09-21
Origin Time 2242 54.59 +- 18.05
Zone 50
Easting 436.42 +- 48.36 Longitude 116.316
Northing 6303.26 +- 75.74 Latitude -33.408
Depth 1.00 +- 83.90 C
Arrival times = 6 S.D. = 0.840 Seismographs = 3
Nearest recorder = 100.8 km Gap = 298.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
67 km W (288 deg) of BEAU
WESTERN AUSTRALIA
167 km S (165 deg) of PERTH
148 km NE ( 47 deg) of AUGUSTA
16 km E (105 deg) of Collie
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.8
PHASE INFORMATION
DATA USED
BAL e S 139.00 1.00 0.36 133.32 5.68 312.7 6 -39.8 39.8
KLB e P 92.00 1.00 0.51 90.85 1.15 242.8 34 -40.9 40.9
KLB e S 118.40 0.30 0.59 118.15 0.25 242.8 34 -39.8 39.8
MUN e P 80.00 0.20 0.74 79.89 0.11 158.8 356 -31.2 31.2
MUN i S 97.80 0.10 1.09 98.80 -1.00 158.8 356 -29.6 29.6
NWAO e P 70.30 0.20 0.77 71.03 -0.73 100.8 58 0.7 0.7
NWAO i S 82.50 0.10 1.13 83.06 -0.56 100.8 58 0.7 0.7
Velocity Ratios
NWAO MUN KLB
NWAO 1.78 1.58 1.65
0.03 0.09 0.12
MUN 1.58 1.70 0.00
0.09 0.02 0.00
KLB 1.65 0.00 1.71
0.12 0.00 0.06
Start
Date 1989-10-02
Origin Time 1156 43.70 +- 24.31
Zone 50
Easting 427.87 +- 210.96 Longitude 116.260
Northing 6795.09 +- 150.73 Latitude -28.970
Depth 5.00 +- 258.89 N
Arrival times = 6 S.D. = 1.241 Seismographs = 3
Nearest recorder = 37.6 km Gap = 303.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
37 km NE ( 43 deg) of MRWA
WESTERN AUSTRALIA
333 km N ( 7 deg) of PERTH
161 km E ( 98 deg) of GERALDTON
38 km NE ( 42 deg) of Morawa
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.1
PHASE INFORMATION
DATA USED
BAL i P 73.00 0.20 1.04 72.52 0.48 186.4 166 -31.2 31.2
BAL e S 95.00 0.20 0.65 94.15 0.85 186.4 166 -29.6 29.6
KLB w P 98.00 2.00 0.44 89.60 8.40 324.4 154 -40.9 40.9
KLB w SG 133.00 1.00 0.46 135.34 -2.34 324.4 154 0.9 0.9
MRWA i P 49.80 0.10 1.36 49.89 -0.09 37.6 222 8.0 8.0
MRWA i S 54.50 0.20 1.07 54.42 0.08 37.6 222 8.0 8.0
MUN e P 90.30 0.10 0.79 90.71 -0.41 333.4 180 -40.9 40.9
MUN e S 122.00 0.30 0.57 126.20 -4.20 333.4 180 -39.8 39.8
Velocity Ratios
MRWA BAL MUN
MRWA 1.77 1.75 1.67
0.06 0.04 0.02
BAL 1.75 1.75 1.56
0.04 0.02 0.06
MUN 1.67 1.56 1.68
0.02 0.06 0.01
Start
Date 1989-10-02
Origin Time 1607 4.58 +- 0.00
Zone 49
Easting 516.98 +- 0.00 Longitude 111.168
Northing 7299.69 +- 0.00 Latitude -24.416
Depth 5.00 +- 0.00 N
Arrival times = 4 S.D. = 0.451 Seismographs = 4
Nearest recorder = 488.9 km Gap = 274.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
371 km NW (301 deg) of LP01
WESTERN AUSTRALIA
953 km NW (330 deg) of PERTH
258 km W (281 deg) of CARNARVON
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.1
PHASE INFORMATION
DATA USED
COOL e P 159.00 0.20 0.61 161.08 -2.08 1221.1 128 -40.9 40.9
COOL e SN 273.50 0.30 0.34 279.68 -6.18 1221.1 128 -39.8 39.8
FORR w P 229.00 5.00 0.33 236.02 -7.02 1828.9 116 -40.9 40.9
MBL e P 130.00 1.00 0.45 129.20 0.80 962.8 69 -40.9 40.9
MBL e S 219.50 1.00 0.40 223.60 -4.10 962.8 69 -39.8 39.8
MEKA e P 106.50 0.20 0.63 106.79 -0.29 780.9 109 -40.9 40.9
MEKA e SN 184.70 0.50 0.32 184.19 0.51 780.9 109 -39.8 39.8
MRWA e P 99.50 0.20 0.64 98.88 0.62 716.8 139 -40.9 40.9
MRWA e S 168.00 0.20 0.57 170.26 -2.26 716.8 139 -39.8 39.8
MUN e P 130.10 0.20 0.62 130.53 -0.43 973.6 150 -40.9 40.9
MUN e S 220.30 0.50 0.46 225.94 -5.64 973.6 150 -39.8 39.8
NANU i P 71.00 0.10 1.09 70.75 0.25 488.9 65 -40.9 40.9
NANU e S 121.00 1.00 0.43 120.78 0.22 488.9 65 -39.8 39.8
NO VELOCITY RATIOS
Start
Date 1989-10-04
Origin Time 1143 4.18 +- 5.30
Zone 50
Easting 590.55 +- 20.74 Longitude 117.975
Northing 6286.45 +- 17.30 Latitude -33.558
Depth 1.00 +- 83.41 C
Arrival times = 10 S.D. = 1.257 Seismographs = 5
Nearest recorder = 49.1 km Gap = 135.4 deg Accuracy = A
Effects Code = Imax = 0 Fault =
37 km NW (330 deg) of GNOC
WESTERN AUSTRALIA
267 km SE (132 deg) of PERTH
160 km N ( 4 deg) of ALBANY
35 km SE (139 deg) of Dumbleyung
Record Dur Sync Unc Resp Seismometer Recorder Pol
PIN 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
PHASE INFORMATION
DATA USED
BAL SG 99.50 0.50 0.73 102.58 -3.08 348.3 339 0.2 0.2
COOL w P 62.30 0.50 0.57 62.46 -0.16 421.1 45 -40.9 40.9
COOL PG 71.50 0.40 0.84 72.88 -1.38 421.1 45 0.2 0.2
COOL SN 105.30 0.30 0.53 106.47 -1.17 421.1 45 -39.8 39.8
KLB e P 38.00 0.20 0.72 37.50 0.50 218.9 354 -40.9 40.9
KLB e S 62.10 0.20 0.64 62.57 -0.47 218.9 354 -39.8 39.8
MRWA SN 125.00 1.00 0.41 127.12 -2.12 516.5 338 -39.8 39.8
MRWA SG 145.00 1.00 0.61 150.08 -5.08 516.5 338 0.1 0.1
MUN e P 40.00 0.10 0.82 40.22 -0.22 240.9 316 -40.9 40.9
MUN e S 67.00 0.50 0.53 67.34 -0.34 240.9 316 -39.8 39.8
NWAO e P 20.20 0.20 0.77 20.23 -0.03 98.4 315 0.7 0.7
NWAO e S 31.00 0.20 0.69 31.97 -0.97 98.4 315 0.7 0.7
PIN i P 13.80 0.20 1.15 12.20 1.60 49.1 82 1.5 1.5
PIN i S 20.60 0.40 0.90 18.07 2.53 49.1 82 1.5 1.5
RKG i+P 27.50 0.10 1.22 27.32 0.18 143.3 218 -31.2 31.2
RKG i S 43.70 0.20 0.96 44.59 -0.89 143.3 218 -29.6 29.6
Velocity Ratios
PIN NWAO RKG KLB MUN
PIN 1.71 0.00 1.69 1.71 1.77
0.08 0.00 0.08 0.05 0.06
NWAO 0.00 1.67 1.74 1.75 1.82
0.00 0.03 0.13 0.06 0.06
RKG 1.69 1.74 1.69 1.75 1.86
0.08 0.13 0.02 0.09 0.09
KLB 1.71 1.75 1.75 1.71 0.00
0.05 0.06 0.09 0.02 0.00
MUN 1.77 1.82 1.86 0.00 1.75
0.06 0.06 0.09 0.00 0.02
Start
Date 1989-10-05
Origin Time 0331 9.41 +- 63.89
Zone 50
Easting 787.25 +- 255.56 Longitude 119.807
Northing 7430.13 +- 158.52 Latitude -23.213
Depth 5.00 +- 657.42 N
Arrival times = 5 S.D. = 0.654 Seismographs = 3
Nearest recorder = 227.5 km Gap = 161.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
65 km N ( 7 deg) of MY38
WESTERN AUSTRALIA
347 km S (159 deg) of PORT HEDLAND
22 km NE ( 37 deg) of Mt Newman Mine
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
MBL i P 43.20 0.10 1.17 43.35 -0.15 227.5 0 -40.9 40.9
MBL e S 68.50 0.10 0.74 68.92 -0.42 227.5 0 -39.8 39.8
NANU e P 70.00 1.00 0.49 70.53 -0.53 448.0 278 -40.9 40.9
NANU e S 127.00 0.30 0.56 116.73 10.27 448.0 278 -39.8 39.8
WARB e P 111.00 0.30 0.58 110.24 0.76 769.7 116 -40.9 40.9
WARB SN 185.00 1.00 0.39 186.58 -1.58 769.7 116 -39.8 39.8
Velocity Ratios
MBL
MBL 1.75
0.01
Start
Date 1989-10-06
Origin Time 1334 19.78 +- 2.93
Zone 50
Easting 516.06 +- 45.84 Longitude 117.168
Northing 6586.03 +- 48.67 Latitude -30.859
Depth 1.00 +- 90.60 C
Arrival times = 6 S.D. = 0.445 Seismographs = 3
Nearest recorder = 52.3 km Gap = 203.2 deg Accuracy = A
Effects Code = Imax = 0 Fault =
8 km S (165 deg) of CA1
WESTERN AUSTRALIA
174 km NE ( 46 deg) of PERTH
7 km E ( 98 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 2.1
PHASE INFORMATION
DATA USED
BAL e P 28.30 0.10 0.93 28.31 -0.01 52.3 302 1.4 1.4
BAL e S 34.20 0.30 0.67 34.54 -0.34 52.3 302 1.4 1.4
KLB e P 36.00 0.10 0.88 35.91 0.09 98.9 145 0.8 0.8
KLB e S 47.00 0.30 0.64 47.72 -0.72 98.9 145 0.8 0.8
MRWA PMP 53.20 0.10 0.71 53.37 -0.17 214.1 327 -33.5 33.5
MRWA SMS 77.30 0.20 0.51 78.61 -1.31 214.1 327 -32.1 32.1
MUN e P 44.50 0.20 0.74 44.41 0.09 154.0 215 -31.2 31.2
MUN e S 62.00 0.20 0.67 62.81 -0.81 154.0 215 -29.6 29.6
Velocity Ratios
BAL KLB MUN
BAL 1.69 1.66 1.72
0.06 0.12 0.06
KLB 1.66 1.68 1.76
0.12 0.03 0.13
MUN 1.72 1.76 1.71
0.06 0.13 0.02
Start
Date 1989-10-08
Origin Time 0130 39.05 +- 68.82
Zone 50
Easting 129.24 +- 355.75 Longitude 113.253
Northing 6969.22 +- 147.74 Latitude -27.350
Depth 5.00 +- 521.24 N
Arrival times = 5 S.D. = 0.649 Seismographs = 4
Nearest recorder = 493.6 km Gap = 231.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
163 km SW (218 deg) of LP01
WESTERN AUSTRALIA
568 km NW (333 deg) of PERTH
277 km S (189 deg) of CARNARVON
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.5
PHASE INFORMATION
DATA USED
BAL e SN 155.70 1.00 0.29 156.30 -0.60 493.6 137 -39.8 39.8
COOL w S 230.00 2.00 0.36 236.26 -6.26 862.0 119 -39.8 39.8
KLB w S 185.00 4.00 0.33 188.47 -3.47 641.9 138 -39.8 39.8
MBL w S 253.00 2.00 0.36 256.81 -3.81 957.1 45 -39.8 39.8
MEKA e P 110.40 0.20 0.66 110.38 0.02 530.4 82 -40.9 40.9
MEKA e S 163.70 0.30 0.55 164.33 -0.63 530.4 82 -39.8 39.8
MUN w P 119.00 5.00 0.35 117.39 1.61 587.5 151 -40.9 40.9
MUN e SN 176.00 0.50 0.33 176.66 -0.66 587.5 151 -39.8 39.8
NANU e S 174.00 0.20 0.59 174.75 -0.75 578.9 23 -39.8 39.8
Velocity Ratios
MEKA
MEKA 1.75
0.01
Start
Date 1989-10-09 Event type = BL
Origin Time 0640 55.07 +- 28.61
Zone 50
Easting 823.44 +- 101.66 Longitude 120.103
Northing 7719.16 +- 156.18 Latitude -20.599
Depth 5.00 +- 99.71 N
Arrival times = 6 S.D. = 1.461 Seismographs = 4
Nearest recorder = 68.2 km Gap = 249.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
68 km NE ( 24 deg) of MBL
WESTERN AUSTRALIA
162 km E (102 deg) of PORT HEDLAND
73 km NE ( 30 deg) of Marble Bar
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
PHASE INFORMATION
DATA USED
MBL i P 67.00 0.10 1.30 66.23 0.77 68.2 204 4.4 4.4
MEKA e S 211.60 0.20 0.58 213.99 -2.39 685.5 193 -39.8 39.8
NANU i+P 125.00 0.10 1.08 125.45 -0.45 523.1 244 -40.9 40.9
NANU e S 175.50 2.00 0.37 178.67 -3.17 523.1 244 -39.8 39.8
WARB w P 174.00 2.00 0.40 173.84 0.16 915.2 134 -40.9 40.9
WARB e S 262.00 1.00 0.41 263.80 -1.80 915.2 134 -39.8 39.8
Velocity Ratios
NANU WARB
NANU 1.72 1.77
0.03 0.14
WARB 1.77 1.74
0.14 0.04
Start
Date 1989-10-10
Origin Time 0328 20.91 +- 107.96
Zone 50
Easting 747.53 +- 561.14 Longitude 119.419
Northing 7427.61 +- 189.41 Latitude -23.242
Depth 5.00 +- 838.07 N
Arrival times = 6 S.D. = 4.734 Seismographs = 4
Nearest recorder = 234.6 km Gap = 182.7 deg Accuracy = D
Effects Code = Imax = 0 Fault =
69 km NW (333 deg) of MY38
WESTERN AUSTRALIA
337 km S (165 deg) of PORT HEDLAND
30 km NW (298 deg) of Mt Newman Mine
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
MBL e P 52.50 0.10 0.82 55.73 -3.23 234.6 10 -40.9 40.9
MBL e S 83.60 0.20 0.64 81.96 1.64 234.6 10 -39.8 39.8
MEKA e P 80.80 0.20 0.68 74.21 6.59 384.2 193 -40.9 40.9
MRWA e P 114.00 0.50 0.53 118.67 -4.67 744.9 206 -40.9 40.9
MRWA e S 186.00 0.50 0.48 192.68 -6.68 744.9 206 -39.8 39.8
NANU e P 78.80 0.20 0.68 77.27 1.53 409.4 280 -40.9 40.9
Velocity Ratios
MBL MRWA
MBL 1.98 1.67
0.01 0.03
MRWA 1.67 1.77
0.03 0.01
Start
Date 1989-10-11
Origin Time 0723 46.15 +- 3.35
Zone 50
Easting 517.14 +- 49.04 Longitude 117.179
Northing 6586.87 +- 54.19 Latitude -30.851
Depth 1.00 +- 92.83 C
Arrival times = 6 S.D. = 0.506 Seismographs = 3
Nearest recorder = 52.7 km Gap = 205.4 deg Accuracy = A
Effects Code = Imax = 0 Fault =
8 km SE (156 deg) of CA1
WESTERN AUSTRALIA
176 km NE ( 46 deg) of PERTH
8 km E ( 91 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 2.2
PHASE INFORMATION
DATA USED
BAL i-P 54.70 0.10 1.33 54.75 -0.05 52.7 300 1.4 1.4
BAL i S 60.70 0.20 1.04 61.05 -0.35 52.7 300 1.4 1.4
COOL SN 136.40 0.30 0.54 139.38 -2.98 379.4 91 -39.8 39.8
KLB i+P 62.30 0.10 1.26 62.29 0.01 99.0 146 0.8 0.8
KLB e S 73.30 0.20 0.69 74.11 -0.81 99.0 146 0.8 0.8
MRWA i-P 79.60 0.10 1.18 78.86 0.74 213.9 327 -40.9 40.9
MRWA i S 103.40 0.20 0.92 103.46 -0.06 213.9 327 -39.8 39.8
MUN i-P 71.30 0.10 1.21 70.96 0.34 155.3 216 -31.2 31.2
MUN e S 88.20 0.20 0.67 89.50 -1.30 155.3 216 -29.6 29.6
NWAO w P 78.00 1.00 0.53 80.85 -2.85 230.1 178 -40.9 40.9
NWAO S 108.60 0.50 0.76 106.96 1.64 230.1 178 -39.8 39.8
Velocity Ratios
BAL KLB MUN
BAL 1.70 1.66 1.66
0.04 0.10 0.04
KLB 1.66 1.68 1.66
0.10 0.02 0.08
MUN 1.66 1.66 1.67
0.04 0.08 0.01
Start
Date 1989-10-11
Origin Time 0726 20.60 +- 2.94
Zone 50
Easting 515.57 +- 51.38 Longitude 117.163
Northing 6585.22 +- 53.31 Latitude -30.866
Depth 1.00 +- 97.30 C
Arrival times = 6 S.D. = 0.476 Seismographs = 3
Nearest recorder = 52.3 km Gap = 201.7 deg Accuracy = A
Effects Code = Imax = 0 Fault =
9 km S (169 deg) of CA1
WESTERN AUSTRALIA
173 km NE ( 46 deg) of PERTH
6 km E (107 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 2.2
PHASE INFORMATION
DATA USED
BAL i-P 29.10 0.10 1.33 29.13 -0.03 52.3 303 1.4 1.4
BAL e S 35.00 0.20 0.73 35.37 -0.37 52.3 303 1.4 1.4
COOL SN 110.70 0.10 0.67 114.16 -3.46 380.9 91 -39.8 39.8
KLB e P 36.70 0.20 0.77 36.67 0.03 98.5 145 0.8 0.8
KLB e S 47.70 0.20 0.69 48.42 -0.72 98.5 145 0.8 0.8
MRWA i-P 54.10 0.10 1.18 53.37 0.73 214.5 328 -40.9 40.9
MRWA i S 78.10 0.20 0.92 78.03 0.07 214.5 328 -39.8 39.8
MUN i-P 45.30 0.10 1.21 45.10 0.20 153.1 215 -31.2 31.2
MUN e S 62.30 0.20 0.67 63.40 -1.10 153.1 215 -29.6 29.6
NWAO S 83.00 0.50 0.76 81.06 1.94 228.5 178 -39.8 39.8
Velocity Ratios
BAL KLB MUN
BAL 1.69 1.67 1.69
0.04 0.12 0.05
KLB 1.67 1.68 1.70
0.12 0.03 0.11
MUN 1.69 1.70 1.69
0.05 0.11 0.01
Start
Date 1989-10-11
Origin Time 0805 45.62 +- 3.18
Zone 50
Easting 516.66 +- 50.29 Longitude 117.174
Northing 6586.41 +- 53.58 Latitude -30.855
Depth 1.00 +- 98.87 C
Arrival times = 6 S.D. = 0.489 Seismographs = 3
Nearest recorder = 52.6 km Gap = 204.3 deg Accuracy = A
Effects Code = Imax = 0 Fault =
8 km S (160 deg) of CA1
WESTERN AUSTRALIA
175 km NE ( 46 deg) of PERTH
7 km E ( 95 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 2.2
PHASE INFORMATION
DATA USED
BAL i P 54.20 0.10 1.33 54.20 0.00 52.6 301 1.4 1.4
BAL e S 60.00 0.20 0.73 60.47 -0.47 52.6 301 1.4 1.4
COOL SN 136.00 0.50 0.49 138.95 -2.95 379.8 91 -39.8 39.8
KLB i P 61.80 0.10 1.26 61.75 0.05 98.9 145 0.8 0.8
KLB e S 72.70 0.20 0.69 73.55 -0.85 98.9 145 0.8 0.8
MRWA e P 79.20 0.20 0.72 78.34 0.86 214.1 327 -40.9 40.9
MRWA e S 103.30 0.30 0.60 102.96 0.34 214.1 327 -39.8 39.8
MUN e P 70.70 0.10 0.85 70.34 0.36 154.7 216 -31.2 31.2
MUN e S 87.80 0.20 0.67 88.81 -1.01 154.7 216 -29.6 29.6
NWAO S 108.00 0.50 0.76 106.33 1.67 229.7 178 -39.8 39.8
Velocity Ratios
BAL KLB MUN
BAL 1.68 1.67 1.68
0.04 0.10 0.05
KLB 1.67 1.67 1.70
0.10 0.02 0.08
MUN 1.68 1.70 1.68
0.05 0.08 0.01
Start
Date 1989-10-12
Origin Time 0403 29.48 +- 1.92
Zone 51
Easting 491.70 +- 8.06 Longitude 122.916
Northing 6937.54 +- 13.16 Latitude -27.686
Depth 5.00 +- 21.29 N
Arrival times = 17 S.D. = 0.934 Seismographs = 11
Nearest recorder = 393.8 km Gap = 90.4 deg Accuracy = B
Effects Code = Imax = 0 Fault =
348 km N ( 22 deg) of KLKB
WESTERN AUSTRALIA
830 km NE ( 57 deg) of PERTH
33 km N (359 deg) of Cosmo Newberry
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.5
PHASE INFORMATION
DATA USED
ASPA e P 179.00 1.00 0.44 182.57 -3.57 1193.4 70 -40.9 40.9
ASPA e S 284.70 0.50 0.46 298.59 -13.89 1193.4 70 -39.8 39.8
BAL e P 119.40 0.20 0.64 119.97 -0.57 686.0 240 -40.9 40.9
BAL e S 187.30 0.30 0.53 188.47 -1.17 686.0 240 -39.8 39.8
COOL e P 84.30 0.20 0.68 83.97 0.33 393.8 205 -40.9 40.9
COOL i PMP 89.90 0.10 0.67 87.51 2.39 393.8 205 -31.8 31.8
COOL e PG 93.80 0.20 0.68 93.73 0.07 393.8 205 0.8 0.8
COOL e SMS 129.00 1.00 0.25 131.38 -2.38 393.8 205 -30.1 30.1
FORR e P 110.10 0.10 0.75 110.42 -0.32 608.3 125 -40.9 40.9
FORR PG 126.00 1.00 0.67 128.73 -2.73 608.3 125 0.5 0.5
FORR SMS 185.00 1.00 0.34 183.92 1.08 608.3 125 -29.8 29.8
KLB e P 116.40 0.20 0.64 116.90 -0.50 661.1 227 -40.9 40.9
KLB e S 183.00 1.00 0.42 183.06 -0.06 661.1 227 -39.8 39.8
MBL e P 130.80 0.30 0.58 132.48 -1.68 787.5 336 -40.9 40.9
MBL e S 206.50 0.50 0.47 210.47 -3.97 787.5 336 -39.8 39.8
MEKA i-P 92.20 0.10 1.10 90.96 1.24 450.5 284 -40.9 40.9
MEKA e PG 103.00 0.30 0.62 102.98 0.02 450.5 284 0.7 0.7
MRWA e P 120.70 0.20 0.64 121.66 -0.96 699.7 254 -40.9 40.9
MRWA e S 191.00 0.50 0.48 191.43 -0.43 699.7 254 -39.8 39.8
MUN e P 135.30 0.30 0.58 134.62 0.68 804.9 231 -40.9 40.9
MUN e S 211.00 0.50 0.47 214.25 -3.25 804.9 231 -39.8 39.8
NANU e P 149.70 0.20 0.62 151.47 -1.77 941.6 305 -40.9 40.9
NANU e SN 238.00 1.00 0.27 243.88 -5.88 941.6 305 -39.8 39.8
NWAO e P 133.00 0.50 0.53 133.78 -0.78 798.0 221 -40.9 40.9
NWAO e S 208.00 1.00 0.41 212.76 -4.76 798.0 221 -39.8 39.8
WARB i+P 86.00 0.10 1.11 85.45 0.55 405.9 66 -40.9 40.9
WARB i PG 95.00 2.00 0.61 95.70 -0.70 405.9 66 0.8 0.8
WB5 e P 209.60 0.20 0.61 215.32 -5.72 1459.2 55 -40.9 40.9
WB5 e SN 349.10 0.30 0.34 356.20 -7.10 1459.2 55 -39.8 39.8
Velocity Ratios
KLB BAL MRWA
KLB 1.77 0.00 0.00
0.02 0.00 0.00
BAL 0.00 1.76 0.00
0.00 0.01 0.00
MRWA 0.00 0.00 1.77
0.00 0.00 0.01
Start
Date 1989-10-12
Origin Time 1027 39.01 +- 37.28
Zone 51
Easting 538.77 +- 78.95 Longitude 123.394
Northing 6927.37 +- 118.53 Latitude -27.778
Depth 5.00 +- 287.77 N
Arrival times = 6 S.D. = 2.271 Seismographs = 4
Nearest recorder = 367.8 km Gap = 138.0 deg Accuracy = D
Effects Code = Imax = 0 Fault =
359 km NE ( 29 deg) of KLKB
WESTERN AUSTRALIA
863 km NE ( 60 deg) of PERTH
52 km NE ( 64 deg) of Cosmo Newberry
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.4
PHASE INFORMATION
DATA USED
COOL e P 93.60 0.10 0.78 95.18 -1.58 407.5 211 -40.9 40.9
COOL e S 141.00 1.00 0.44 137.62 3.38 407.5 211 -39.8 39.8
FORR e SG 195.00 2.00 0.37 198.49 -3.49 564.5 127 0.6 0.6
MBL e S 211.60 0.20 0.57 226.37 -14.77 816.9 333 -39.8 39.8
MEKA e P 107.00 1.00 0.48 106.42 0.58 498.6 283 -40.9 40.9
MEKA S 161.00 1.00 0.62 157.39 3.61 498.6 283 -39.8 39.8
WARB e P 89.00 0.50 0.57 90.28 -1.28 367.8 61 -40.9 40.9
WARB e S 131.00 1.00 0.45 129.00 2.00 367.8 61 -39.8 39.8
Velocity Ratios
WARB COOL
WARB 1.84 0.00
0.04 0.00
COOL 0.00 1.87
0.00 0.02
Start
Date 1989-10-13
Origin Time 0412 44.12 +- 33.50
Zone 50
Easting 565.88 +- 61.55 Longitude 117.642
Northing 7481.82 +- 92.03 Latitude -22.770
Depth 5.00 +- 247.23 N
Arrival times = 7 S.D. = 1.871 Seismographs = 4
Nearest recorder = 221.5 km Gap = 136.0 deg Accuracy = D
Effects Code = Imax = 0 Fault =
92 km NE ( 42 deg) of LP06
WESTERN AUSTRALIA
290 km S (199 deg) of PORT HEDLAND
13 km W (261 deg) of Mt Tom Price
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
MBL e P 85.30 0.20 0.70 85.54 -0.24 288.1 52 -40.9 40.9
MBL e S 115.00 0.30 0.58 116.78 -1.78 288.1 52 -39.8 39.8
MEKA SG 162.00 2.00 0.40 167.09 -5.09 435.3 168 0.7 0.7
MRWA S 210.00 5.00 0.43 213.27 -3.27 732.8 192 -39.8 39.8
NANU e P 76.30 0.20 0.72 77.31 -1.01 221.5 276 -40.9 40.9
NANU e S 103.50 2.00 0.41 102.30 1.20 221.5 276 -39.8 39.8
WARB P 175.00 2.00 0.56 172.25 2.75 991.1 114 -40.9 40.9
WARB S 269.00 5.00 0.42 269.32 -0.32 991.1 114 -39.8 39.8
Velocity Ratios
NANU MBL WARB
NANU 1.85 0.00 1.68
0.07 0.00 0.11
MBL 0.00 1.72 1.72
0.00 0.02 0.10
WARB 1.68 1.72 1.72
0.11 0.10 0.07
Start
Date 1989-10-13
Origin Time 0959 14.63 +- 480.38
Zone 51
Easting 440.09 +- 43.53 Longitude 122.435
Northing 8049.36 +- 101.74 Latitude -17.642
Depth 5.00 +-4386.94 N
Arrival times = 5 S.D. = 0.102 Seismographs = 5
Nearest recorder = 475.8 km Gap = 201.7 deg Accuracy = B
Effects Code = F Imax = 7 Fault =
475 km NE ( 35 deg) of MBL
WESTERN AUSTRALIA
42 km NE ( 31 deg) of BROOME
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
ASPA e P 187.00 0.10 0.70 186.97 0.03 1374.4 121 -42.2 42.2
BAL i-P 207.20 0.10 1.00 208.27 -1.07 1550.8 200 -42.2 42.2
BAL e S 350.00 0.10 0.63 351.96 -1.96 1550.8 200 -40.3 40.3
CNB i+P 381.30 0.10 1.00 383.76 -2.46 3302.3 131 -60.6 60.6
CNB e S 741.00 0.10 0.63 679.06 61.94 3302.3 131 -59.4 58.8
COOL i P 197.80 0.10 1.00 198.79 -0.99 1472.2 184 -42.2 42.2
COOL e S 336.00 5.00 0.29 335.44 0.56 1472.2 184 -40.3 40.3
FORR i-P 208.00 0.10 1.00 210.09 -2.09 1565.6 159 -42.2 42.2
KLB i P 215.60 0.10 1.00 216.25 -0.65 1616.8 196 -42.2 42.2
KNA i-P 106.30 0.20 0.91 106.30 -0.00 707.7 73 -42.2 42.2
KNA e S 173.60 1.00 0.42 174.42 -0.82 707.7 73 -40.3 40.3
MBL i+P 78.30 0.10 1.09 78.27 0.03 475.8 214 -42.2 42.2
MEKA i-P 151.40 0.20 0.87 150.45 0.95 1072.4 201 -42.2 42.2
MRWA i-P 193.30 0.20 0.87 195.20 -1.90 1442.8 205 -42.2 42.2
MRWA e S 322.00 5.00 0.29 329.20 -7.20 1442.8 205 -40.3 40.3
MUN i-P 227.50 0.10 1.00 227.50 0.00 1709.9 200 -42.2 42.2
MUN e S 392.00 0.10 0.63 385.43 6.57 1709.9 200 -40.3 40.3
NANU i-P 130.30 0.10 1.02 130.48 -0.18 907.7 231 -42.2 42.2
NWAO i-P 233.60 0.10 1.00 235.18 -1.58 1773.4 196 -42.2 42.2
TOO i+P 369.70 0.10 1.00 371.63 -1.93 3152.2 139 -60.1 60.6
TOO e S 705.00 0.10 0.63 657.38 47.62 3152.2 139 -59.0 58.6
WARB i+P 146.60 0.10 1.01 146.62 -0.02 1040.8 156 -42.2 42.2
WB5 i-P 175.00 0.10 1.00 176.60 -1.60 1288.9 103 -42.2 42.2
NO VELOCITY RATIOS
Start
Date 1989-10-13
Origin Time 1032 35.62 +- 13.28
Zone 51
Easting 442.34 +- 36.02 Longitude 122.456
Northing 8040.64 +- 75.24 Latitude -17.721
Depth 10.00 +- 115.83 C
Arrival times = 6 S.D. = 0.329 Seismographs = 5
Nearest recorder = 469.9 km Gap = 200.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
469 km NE ( 36 deg) of MBL
WESTERN AUSTRALIA
37 km NE ( 41 deg) of BROOME
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.3
PHASE INFORMATION
DATA USED
FORR w P 229.00 4.00 0.34 229.45 -0.45 1556.7 159 -42.2 42.2
KNA e P 126.50 0.20 0.64 126.79 -0.29 708.0 72 -42.2 42.2
KNA e S 193.00 0.50 0.48 194.60 -1.60 708.0 72 -40.3 40.3
MBL e P 98.00 0.20 0.67 98.01 -0.01 469.9 215 -42.2 42.2
MEKA e P 173.10 0.10 0.70 170.01 3.09 1065.1 201 -42.2 42.2
MEKA e S 273.00 1.00 0.40 269.84 3.16 1065.1 201 -40.3 40.3
MRWA e P 214.70 0.10 0.70 214.82 -0.12 1435.9 206 -42.2 42.2
MRWA e S 346.00 1.00 0.40 347.85 -1.85 1435.9 206 -40.3 40.3
NANU i-P 150.60 0.20 0.89 150.49 0.11 904.1 232 -42.2 42.2
NANU e S 235.00 0.50 0.47 235.86 -0.86 904.1 232 -40.3 40.3
WB5 e P 196.80 0.20 0.61 196.55 0.25 1284.7 102 -42.2 42.2
WB5 e S 320.00 1.00 0.40 316.05 3.95 1284.7 102 -40.3 40.3
Velocity Ratios
NANU
NANU 1.73
0.01
Start
Date 1989-10-16
Origin Time 1825 7.25 +- 0.76
Zone 50
Easting 507.65 +- 4.50 Longitude 117.081
Northing 6493.18 +- 7.92 Latitude -31.697
Depth 2.00 +- 34.88 C
Arrival times = 7 S.D. = 0.211 Seismographs = 4
Nearest recorder = 39.9 km Gap = 169.1 deg Accuracy = A
Effects Code = Imax = 0 Fault =
32 km E (110 deg) of YORK
WESTERN AUSTRALIA
120 km E ( 77 deg) of PERTH
10 km SE (138 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 i P 27.70 0.10 1.24 27.80 -0.10 125.9 343 1.0 1.0
BAL i S 41.30 0.10 1.11 42.84 -1.54 125.9 343 1.0 1.0
GOO i P 13.80 0.10 1.36 13.78 0.02 39.9 327 3.3 3.3
GOO i S 18.40 0.10 1.22 18.56 -0.16 39.9 327 3.3 3.3
KLB i P 18.00 0.10 1.31 17.94 0.06 65.5 79 2.0 2.0
KLB i S 25.40 0.10 1.18 25.76 -0.36 65.5 79 2.0 2.0
MUN S-P 10.20 0.10 1.27 10.54 -0.34 88.3 248 0.0 0.0
MUN i P 21.60 0.10 1.27 21.66 -0.06 88.3 248 1.5 1.5
Velocity Ratios
GOO KLB
GOO 1.70 1.67
0.04 0.13
KLB 1.67 1.69
0.13 0.03
Start
Date 1989-10-18
Origin Time 1910 6.62 +- 34.33
Zone 51
Easting 428.62 +- 78.09 Longitude 122.327
Northing 8050.93 +- 152.30 Latitude -17.627
Depth 5.00 +- 308.34 N
Arrival times = 6 S.D. = 1.505 Seismographs = 4
Nearest recorder = 470.7 km Gap = 202.6 deg Accuracy = D
Effects Code = Imax = 0 Fault =
470 km NE ( 34 deg) of MBL
WESTERN AUSTRALIA
39 km N ( 15 deg) of BROOME
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
KNA e S 167.00 1.00 0.42 168.64 -1.64 718.2 74 -40.3 40.3
MBL P 70.50 1.00 0.69 69.65 0.85 470.7 213 -42.2 42.2
MBL e S 114.00 0.50 0.50 116.54 -2.54 470.7 213 -40.3 40.3
NANU w P 122.00 2.00 0.40 121.51 0.49 899.7 231 -42.2 42.2
WARB e P 140.40 0.20 0.61 139.36 1.04 1047.0 155 -42.2 42.2
WARB e S 238.00 1.00 0.40 237.90 0.10 1047.0 155 -40.3 40.3
Velocity Ratios
MBL WARB
MBL 1.68 1.77
0.03 0.05
WARB 1.77 1.73
0.05 0.01
Start
Date 1989-10-24
Origin Time 0918 47.16 +- 136.90
Zone 51
Easting 446.42 +- 826.61 Longitude 122.451
Northing 6810.58 +- 731.53 Latitude -28.831
Depth 5.00 +-1467.93 N
Arrival times = 5 S.D. = 0.894 Seismographs = 3
Nearest recorder = 260.1 km Gap = 207.0 deg Accuracy = D
Effects Code = Imax = 0 Fault =
214 km NE ( 23 deg) of KLKB
WESTERN AUSTRALIA
722 km NE ( 63 deg) of PERTH
23 km S (167 deg) of Laverton
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
COOL i P 85.10 0.10 1.16 85.15 -0.05 260.1 208 -40.9 40.9
COOL e S 114.00 1.00 0.46 113.78 0.22 260.1 208 -39.8 39.8
FORR w S 183.00 5.00 0.31 184.34 -1.34 585.3 113 -39.8 39.8
WARB e P 114.50 0.30 0.61 115.66 -1.16 507.6 55 -40.9 40.9
WARB e S 169.00 1.00 0.43 167.46 1.54 507.6 55 -39.8 39.8
Velocity Ratios
COOL WARB
COOL 1.76 1.87
0.03 0.09
WARB 1.87 1.81
0.09 0.02
Start
Date 1989-10-25
Origin Time 1855 5.01 +- 76.88
Zone 51
Easting 436.60 +- 358.96 Longitude 122.402
Northing 8046.10 +- 620.68 Latitude -17.671
Depth 5.00 +- 938.74 N
Arrival times = 5 S.D. = 0.612 Seismographs = 4
Nearest recorder = 471.2 km Gap = 201.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
471 km NE ( 35 deg) of MBL
WESTERN AUSTRALIA
38 km NE ( 29 deg) of BROOME
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.3
PHASE INFORMATION
DATA USED
COOL w P 191.50 0.20 0.62 188.74 2.76 1468.7 184 -42.2 42.2
COOL w S 325.00 0.50 0.47 325.08 -0.08 1468.7 184 -40.3 40.3
FORR e P 200.00 1.00 0.44 200.25 -0.25 1563.8 159 -42.2 42.2
FORR e S 341.50 1.00 0.40 345.11 -3.61 1563.8 159 -40.3 40.3
KNA e P 97.00 0.20 0.64 97.20 -0.20 711.9 73 -42.2 42.2
KNA e SN 162.20 0.30 0.35 165.70 -3.50 711.9 73 -40.3 40.3
MBL e P 68.00 0.40 0.58 68.09 -0.09 471.2 214 -42.2 42.2
MBL e S 114.00 1.00 0.43 115.02 -1.02 471.2 214 -40.3 40.3
MEKA e SN 241.00 0.50 0.31 240.76 0.24 1068.1 201 -40.3 40.3
MRWA e P 185.90 0.20 0.61 185.05 0.85 1438.3 205 -42.2 42.2
MRWA e S 315.50 0.40 0.48 318.65 -3.15 1438.3 205 -40.3 40.3
NANU e P 120.10 0.20 0.62 120.29 -0.19 903.0 231 -42.2 42.2
NANU e S 203.00 0.50 0.47 205.90 -2.90 903.0 231 -40.3 40.3
Velocity Ratios
MBL
MBL 1.73
0.03
Start
Date 1989-10-28
Origin Time 1130 27.63 +- 2.15
Zone 50
Easting 480.74 +- 35.19 Longitude 116.799
Northing 6595.01 +- 29.38 Latitude -30.778
Depth 2.18 +- 75.67
Arrival times = 6 S.D. = 0.387 Seismographs = 3
Nearest recorder = 20.9 km Gap = 159.8 deg Accuracy = A
Effects Code = Imax = 0 Fault =
7 km N ( 4 deg) of PIG2
WESTERN AUSTRALIA
158 km NE ( 35 deg) of PERTH
20 km S (172 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 1.9
PHASE INFORMATION
DATA USED
BAL i P 31.10 0.10 1.43 31.06 0.04 20.9 335 6.8 6.8
BAL i S 33.40 0.10 1.28 33.57 -0.17 20.9 335 6.8 6.8
COOL e SG 142.00 0.50 0.51 145.16 -3.16 416.1 92 0.4 0.4
KLB i+P 48.60 0.10 1.23 48.60 -0.00 128.6 134 1.1 1.1
KLB e S 63.20 0.10 0.78 63.95 -0.75 128.6 134 1.1 1.1
MRWA e P 57.70 0.20 0.73 57.10 0.60 189.4 335 -31.2 31.2
MRWA e S 79.30 0.30 0.60 79.19 0.11 189.4 335 -29.6 29.6
MUN e P 51.00 0.10 0.85 50.82 0.18 144.4 202 -31.2 31.2
MUN e S 67.20 0.20 0.67 68.14 -0.94 144.4 202 -29.6 29.6
NWAO e S 93.00 0.50 0.53 90.74 2.26 241.7 170 -39.8 39.8
Velocity Ratios
BAL KLB MUN
BAL 1.66 1.70 1.70
0.08 0.03 0.03
KLB 1.70 1.70 0.00
0.03 0.01 0.00
MUN 1.70 0.00 1.69
0.03 0.00 0.02
Start
Date 1989-10-30
Origin Time 2241 41.85 +- 3.48
Zone 50
Easting 617.72 +- 20.83 Longitude 118.245
Northing 6471.18 +- 12.91 Latitude -31.889
Depth 1.00 +- 29.64 C
Arrival times = 8 S.D. = 0.623 Seismographs = 3
Nearest recorder = 56.5 km Gap = 273.5 deg Accuracy = B
Effects Code = Imax = 0 Fault =
51 km NE ( 64 deg) of COR2
WESTERN AUSTRALIA
227 km E ( 89 deg) of PERTH
45 km S (183 deg) of Merredin
Record Dur Sync Unc Resp Seismometer Recorder Pol
PIN 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.0
PHASE INFORMATION
DATA USED
BAL e S 97.00 0.20 0.65 97.02 -0.02 204.1 313 -39.8 39.8
KLB i P 51.10 0.10 1.32 51.07 0.03 56.5 305 1.3 1.3
KLB i SG 57.50 0.10 1.19 57.82 -0.32 56.5 305 1.3 1.3
MUN e P 72.00 0.10 0.83 71.89 0.11 192.8 266 -31.2 31.2
MUN e SN 93.90 0.10 0.50 94.56 -0.66 192.8 266 -39.8 39.8
MUN i SG 95.20 0.10 1.07 96.30 -1.10 192.8 266 0.4 0.4
NWAO e P 65.50 0.20 0.74 65.82 -0.32 149.3 219 -31.2 31.2
NWAO e S 83.00 0.20 0.67 83.72 -0.72 149.3 219 -29.6 29.6
NWAO e SN 85.00 0.20 0.45 85.13 -0.13 149.3 219 -39.8 39.8
PIN P 71.20 0.40 0.91 70.64 0.56 183.8 169 -31.2 31.2
PIN S 91.40 0.50 0.78 92.20 -0.80 183.8 169 -29.6 29.6
Velocity Ratios
NWAO
NWAO 1.74
0.02
Start
Date 1989-10-31
Origin Time 0005 28.95 +- 0.97
Zone 50
Easting 507.33 +- 5.65 Longitude 117.077
Northing 6495.42 +- 7.81 Latitude -31.676
Depth 2.00 +- 45.54 C
Arrival times = 8 S.D. = 0.377 Seismographs = 4
Nearest recorder = 37.9 km Gap = 165.6 deg Accuracy = A
Effects Code = Imax = 0 Fault =
31 km E (107 deg) of YORK
WESTERN AUSTRALIA
120 km E ( 76 deg) of PERTH
8 km SE (129 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 i P 49.00 0.10 1.24 49.13 -0.13 123.7 343 1.1 1.1
BAL i S 63.00 0.10 1.11 63.89 -0.89 123.7 343 1.1 1.1
GOO S-P 4.50 0.10 1.36 4.53 -0.03 37.9 325 0.0 0.0
GOO i P 35.40 0.10 1.36 35.14 0.26 37.9 325 3.5 3.5
KLB i P 39.70 0.10 1.31 39.62 0.08 65.4 81 2.0 2.0
KLB i S 47.10 0.10 1.18 47.44 -0.34 65.4 81 2.0 2.0
MUN i P 43.20 0.10 1.27 43.43 -0.23 88.8 247 1.5 1.5
MUN i S 53.70 0.10 1.15 54.03 -0.33 88.8 247 1.5 1.5
Velocity Ratios
KLB MUN BAL
KLB 1.69 1.89 1.71
0.03 0.17 0.06
MUN 1.89 1.74 1.60
0.17 0.02 0.09
BAL 1.71 1.60 1.70
0.06 0.09 0.01
Start
Date 1989-11-04
Origin Time 0057 41.08 +- 14.34
Zone 52
Easting 372.16 +- 336.58 Longitude 127.798
Northing 8093.91 +- 107.12 Latitude -17.236
Depth 5.00 +- 357.32 N
Arrival times = 6 S.D. = 0.726 Seismographs = 3
Nearest recorder = 194.2 km Gap = 278.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
194 km SW (212 deg) of KNA
WESTERN AUSTRALIA
111 km N ( 7 deg) of HALLS CREEK
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
KNA i-P 70.60 0.10 1.19 70.92 -0.32 194.2 32 -40.9 40.9
KNA i S 92.60 0.20 0.93 93.37 -0.77 194.2 32 -39.8 39.8
MTN e P 121.50 0.10 0.75 121.36 0.14 603.4 36 -40.9 40.9
MTN e PG 127.00 0.50 0.54 139.52 -12.52 603.4 36 0.5 0.5
MTN e S 182.00 0.50 0.49 182.11 -0.11 603.4 36 -39.8 39.8
WB5 e P 140.70 0.10 0.73 139.89 0.81 753.4 114 -40.9 40.9
WB5 e S 213.50 0.10 0.66 214.69 -1.19 753.4 114 -39.8 39.8
Velocity Ratios
KNA MTN WB5
KNA 1.75 1.76 1.72
0.01 0.02 0.01
MTN 1.76 1.75 1.64
0.02 0.01 0.05
WB5 1.72 1.64 1.73
0.01 0.05 0.00
Start
Date 1989-11-09
Origin Time 2117 29.98 +- 3.82
Zone 50
Easting 514.27 +- 34.44 Longitude 117.149
Northing 6598.74 +- 46.77 Latitude -30.744
Depth 0.77 +- 68.31
Arrival times = 6 S.D. = 0.382 Seismographs = 3
Nearest recorder = 45.0 km Gap = 218.8 deg Accuracy = A
Effects Code = Imax = 0 Fault =
0 km NW (319 deg) of CAA
WESTERN AUSTRALIA
182 km NE ( 43 deg) of PERTH
3 km NE ( 32 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 2.8
PHASE INFORMATION
DATA USED
BAL i-P 37.40 0.10 1.35 37.33 0.07 45.0 289 1.4 1.4
BAL i S 42.40 0.10 1.21 42.71 -0.31 45.0 289 1.4 1.4
COOL e P 81.90 0.20 0.68 83.55 -1.65 382.8 93 -40.9 40.9
COOL e SN 121.00 0.30 0.38 123.99 -2.99 382.8 93 -39.8 39.8
KLB i-P 48.10 0.10 1.25 48.01 0.09 110.5 148 0.6 0.6
KLB e S 60.40 0.20 0.69 61.20 -0.80 110.5 148 0.6 0.6
MRWA i-PN 60.70 0.10 0.83 61.30 -0.60 202.4 326 -40.9 40.9
MRWA i-P 61.60 0.10 1.18 61.30 0.30 202.4 326 -40.9 40.9
MRWA i S 84.60 0.30 0.86 84.83 -0.23 202.4 326 -39.8 39.8
MUN i-P 55.80 0.10 1.21 55.95 -0.15 163.5 212 -31.2 31.2
MUN i S 74.70 0.20 0.95 75.37 -0.67 163.5 212 -29.6 29.6
NWAO i S 95.70 0.10 1.05 93.42 2.28 242.0 178 -39.8 39.8
Velocity Ratios
BAL KLB MUN
BAL 1.67 1.68 1.76
0.04 0.06 0.04
KLB 1.68 1.68 1.86
0.06 0.02 0.10
MUN 1.76 1.86 1.73
0.04 0.10 0.01
Start
Date 1989-11-09
Origin Time 2149 19.63 +- 1.15
Zone 50
Easting 515.49 +- 6.60 Longitude 117.162
Northing 6600.77 +- 7.61 Latitude -30.726
Depth 1.00 +- 8.29 C
Arrival times = 8 S.D. = 0.341 Seismographs = 4
Nearest recorder = 2.5 km Gap = 222.8 deg Accuracy = A
Effects Code = Imax = 0 Fault =
2 km NE ( 24 deg) of CAA
WESTERN AUSTRALIA
184 km NE ( 43 deg) of PERTH
6 km NE ( 32 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
CAA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL i P 27.20 0.10 1.34 27.06 0.14 45.5 286 1.6 1.6
BAL i S 32.20 0.10 1.21 32.50 -0.30 45.5 286 1.6 1.6
CAA S-P 0.39 0.10 1.62 0.33 0.06 2.5 204 0.0 0.0
CAA i P 19.90 0.10 1.62 20.09 -0.19 2.5 204 27.7 27.7
KLB i P 37.90 0.10 1.25 37.85 0.05 111.6 149 0.7 0.7
KLB i S 50.60 0.10 1.12 51.17 -0.57 111.6 149 0.7 0.7
MUN i P 46.00 0.10 1.21 45.91 0.09 165.8 212 -31.2 31.2
MUN i S 64.80 0.10 1.09 65.57 -0.77 165.8 212 -29.6 29.6
Velocity Ratios
BAL KLB MUN
BAL 1.66 1.72 1.73
0.04 0.05 0.03
KLB 1.72 1.70 1.75
0.05 0.01 0.07
MUN 1.73 1.75 1.71
0.03 0.07 0.01
Start
Date 1989-11-10
Origin Time 1658 8.79 +- 0.54
Zone 50
Easting 512.88 +- 3.77 Longitude 117.135
Northing 6598.57 +- 3.67 Latitude -30.746
Depth 1.61 +- 6.48
Arrival times = 10 S.D. = 0.198 Seismographs = 7
Nearest recorder = 1.6 km Gap = 80.7 deg Accuracy = A
Effects Code = F Imax = 5 Fault =
1 km W (271 deg) of CAA
WESTERN AUSTRALIA
181 km NE ( 43 deg) of PERTH
3 km N ( 9 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
CAA 0.00 Seismograph details unknown
CAK 0.00 Seismograph details unknown
DOW 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.6
PHASE INFORMATION
DATA USED
BAL S-P 5.00 0.10 1.35 5.23 -0.23 43.8 290 0.0 0.0
BAL i-P 16.00 0.10 1.35 15.93 0.07 43.8 290 2.5 2.5
CAA S-P 0.32 0.10 1.65 0.30 0.02 1.6 91 0.0 0.0
CAA e P 8.80 0.50 0.84 9.19 -0.39 1.6 91 50.6 50.6
CAK S-P 0.45 0.10 1.60 0.44 0.01 3.1 11 0.0 0.0
COOL i+P 60.50 0.10 1.12 62.44 -1.94 384.1 93 -40.9 40.9
COOL e S 99.80 0.20 0.61 102.94 -3.14 384.1 93 -39.8 39.8
DOW S-P 3.70 0.30 1.11 3.91 -0.21 32.7 206 0.0 0.0
DOW e P 14.30 0.20 0.84 14.13 0.17 32.7 206 3.3 3.3
FORR e P 141.50 0.50 0.51 144.63 -3.13 1050.7 93 -40.9 40.9
FORR e S 241.00 0.50 0.46 247.53 -6.53 1050.7 93 -39.8 39.8
GOO S-P 8.80 0.30 1.03 9.16 -0.36 76.7 200 0.0 0.0
GOO e P 21.00 0.20 0.79 21.31 -0.31 76.7 200 1.4 1.4
KLB i-P 27.10 0.10 1.25 26.91 0.19 111.1 147 1.0 1.0
KNA w S 457.00 2.00 0.35 464.97 -7.97 2052.5 37 -39.9 40.0
MBL e P 147.00 0.20 0.61 150.14 -3.14 1095.7 14 -40.9 40.9
MBL e S 249.00 0.50 0.46 257.23 -8.23 1095.7 14 -39.8 39.8
MEKA e P 75.00 2.00 0.42 73.97 1.03 477.6 16 -40.9 40.9
MEKA e S 123.20 0.20 0.60 123.22 -0.02 477.6 16 -39.8 39.8
MRWA e P 39.60 0.20 0.72 39.93 -0.33 201.8 326 -40.9 40.9
MUN i+P 34.40 0.10 1.21 34.56 -0.16 162.6 212 -31.2 31.2
MUN i S 53.60 0.10 1.09 53.83 -0.23 162.6 212 -29.6 29.6
NWAO i+P 43.90 0.10 1.17 44.88 -0.98 241.9 177 -40.9 40.9
WARB i-P 143.10 0.10 1.00 146.10 -3.00 1062.7 63 -40.9 40.9
WARB e S 243.00 0.20 0.55 250.13 -7.13 1062.7 63 -39.8 39.8
WB5 e P 265.00 0.10 0.70 277.59 -12.59 2130.9 59 -42.2 42.1
WB5 e S 462.20 0.10 0.63 482.80 -20.60 2130.9 59 -40.5 40.6
NO VELOCITY RATIOS
Start
Date 1989-11-10
Origin Time 1713 0.92 +- 3.83
Zone 50
Easting 514.01 +- 37.97 Longitude 117.146
Northing 6600.23 +- 46.78 Latitude -30.731
Depth 1.00 +- 75.40 C
Arrival times = 6 S.D. = 0.467 Seismographs = 3
Nearest recorder = 44.3 km Gap = 220.8 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km N (345 deg) of CAA
WESTERN AUSTRALIA
183 km NE ( 43 deg) of PERTH
5 km N ( 20 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL S-P 4.80 0.10 1.35 5.29 -0.49 44.3 288 0.0 0.0
BAL i P 8.20 0.10 1.35 8.15 0.05 44.3 288 1.7 1.7
KLB i P 19.20 0.10 1.25 19.18 0.02 111.9 148 0.7 0.7
KLB i S 31.80 0.10 1.12 32.54 -0.74 111.9 148 0.7 0.7
MUN i P 26.90 0.10 1.21 27.02 -0.12 164.6 212 -31.2 31.2
MUN i S 45.90 0.10 1.09 46.55 -0.65 164.6 212 -29.6 29.6
Velocity Ratios
KLB MUN
KLB 1.69 1.83
0.01 0.08
MUN 1.83 1.73
0.08 0.01
Start
Date 1989-11-10
Origin Time 1808 35.78 +- 18.34
Zone 50
Easting 516.10 +- 96.16 Longitude 117.168
Northing 6599.81 +- 125.06 Latitude -30.734
Depth 1.66 +- 186.96
Arrival times = 5 S.D. = 0.494 Seismographs = 4
Nearest recorder = 2.1 km Gap = 221.9 deg Accuracy = A
Effects Code = Imax = 0 Fault =
2 km NE ( 52 deg) of CAA
WESTERN AUSTRALIA
184 km NE ( 43 deg) of PERTH
5 km NE ( 43 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
CAA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL S-P 4.70 0.10 1.34 5.55 -0.85 46.4 287 0.0 0.0
BAL i P 43.30 0.10 1.34 43.35 -0.05 46.4 287 2.4 2.4
CAA S-P 0.35 0.10 1.64 0.34 0.01 2.1 231 0.0 0.0
KLB i P 54.00 0.10 1.25 53.80 0.20 110.5 149 1.0 1.0
KLB i S 66.20 0.10 1.12 66.99 -0.79 110.5 149 1.0 1.0
MUN i S 80.70 0.10 1.09 81.50 -0.80 165.4 213 -29.6 29.6
Velocity Ratios
KLB
KLB 1.67
0.01
Start
Date 1989-11-10
Origin Time 2211 13.69 +- 2.05
Zone 50
Easting 515.18 +- 8.87 Longitude 117.159
Northing 6601.98 +- 12.19 Latitude -30.715
Depth 1.00 +- 23.07 C
Arrival times = 7 S.D. = 0.423 Seismographs = 4
Nearest recorder = 3.5 km Gap = 224.3 deg Accuracy = A
Effects Code = Imax = 0 Fault =
3 km N ( 11 deg) of CAA
WESTERN AUSTRALIA
185 km NE ( 43 deg) of PERTH
7 km NE ( 24 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
CAA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL S-P 5.00 0.10 1.35 5.36 -0.36 44.9 285 0.0 0.0
BAL i P 20.90 0.10 1.35 21.02 -0.12 44.9 285 1.7 1.7
CAA S-P 0.32 0.10 1.59 0.45 -0.13 3.5 191 0.0 0.0
KLB i P 32.10 0.10 1.25 32.10 -0.00 112.8 149 0.7 0.7
KLB i S 44.80 0.10 1.12 45.57 -0.77 112.8 149 0.7 0.7
MUN i P 40.30 0.10 1.21 40.09 0.21 166.7 212 -31.2 31.2
MUN i S 59.10 0.10 1.08 59.84 -0.74 166.7 212 -29.6 29.6
Velocity Ratios
KLB MUN
KLB 1.69 1.74
0.01 0.07
MUN 1.74 1.71
0.07 0.01
Start
Date 1989-11-13
Origin Time 0804 53.93 +- 195.36
Zone 50
Easting 512.08 +- 434.61 Longitude 117.126
Northing 6596.24 +- 174.24 Latitude -30.767
Depth 1.00 +- 222.66 C
Arrival times = 6 S.D. =33.220 Seismographs = 4
Nearest recorder = 3.3 km Gap = 112.2 deg Accuracy = A
Effects Code = Imax = 0 Fault =
0 km W (285 deg) of CADX
WESTERN AUSTRALIA
179 km NE ( 43 deg) of PERTH
1 km NW (316 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
CAA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
PHASE INFORMATION
DATA USED
BAL i P 61.00 0.10 1.35 61.09 -0.09 43.9 293 1.7 1.7
BAL i S 66.20 0.10 1.21 66.34 -0.14 43.9 293 1.7 1.7
CAA S-P 60.35 0.10 1.60 0.42 59.93 3.3 45 0.0 0.0
KLB i P 72.00 0.10 1.25 71.81 0.19 109.6 146 0.7 0.7
KLB i S 84.20 0.10 1.13 84.89 -0.69 109.6 146 0.7 0.7
MUN i P 79.30 0.10 1.21 79.42 -0.12 160.2 212 -31.2 31.2
MUN i S 98.30 0.10 1.09 98.47 -0.17 160.2 212 -29.6 29.6
Velocity Ratios
BAL KLB
BAL 1.74 1.64
0.04 0.05
KLB 1.64 1.68
0.05 0.01
Start
Date 1989-11-15
Origin Time 1831 0.14 +- 138.67
Zone 50
Easting 512.68 +- 663.51 Longitude 117.132
Northing 6598.63 +- 97.29 Latitude -30.745
Depth 2.14 +- 917.60
Arrival times = 8 S.D. =48.244 Seismographs = 6
Nearest recorder = 1.8 km Gap = 126.5 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km W (273 deg) of CAA
WESTERN AUSTRALIA
181 km NE ( 43 deg) of PERTH
3 km N ( 5 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
CAA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.0
PHASE INFORMATION
DATA USED
BAL i-P 7.40 0.10 1.35 7.26 0.14 43.6 290 3.2 3.2
BAL e S 12.00 0.50 0.62 12.20 -0.20 43.6 290 3.2 3.2
CAA S-P -59.69 0.01 2.61 0.34 -60.03 1.8 93 0.0 0.0
COOL i-P 53.00 0.10 1.11 53.07 -0.07 384.3 93 -42.2 42.2
COOL e PG 61.70 0.10 0.78 62.84 -1.14 384.3 93 0.4 0.4
COOL e S 90.40 2.00 0.39 92.44 -2.04 384.3 93 -40.3 40.3
FORR e P 133.90 0.30 0.57 133.67 0.23 1050.9 93 -42.2 42.2
FORR e S 232.90 0.10 0.63 232.77 0.13 1050.9 93 -40.3 40.3
KLB i-P 18.40 0.10 1.25 18.30 0.10 111.3 147 1.3 1.3
KLB e S 29.90 0.20 0.68 30.89 -0.99 111.3 147 1.3 1.3
MEKA e SG 130.20 0.20 0.60 132.08 -1.88 477.6 16 0.3 0.3
MRWA i-P 30.90 0.10 1.18 30.95 -0.05 201.6 326 -42.2 42.2
MRWA e S 53.50 0.30 0.60 53.94 -0.44 201.6 326 -40.3 40.3
MUN i-P 26.00 0.10 1.21 25.92 0.08 162.5 212 -30.8 30.8
MUN i S 45.00 0.10 1.09 45.04 -0.04 162.5 212 0.8 0.8
NWAO e P 35.40 1.00 0.51 35.83 -0.43 242.0 177 -42.2 42.2
NWAO e SG 66.10 0.20 0.60 66.99 -0.89 242.0 177 0.6 0.6
RKG e P 59.30 0.50 0.56 57.86 1.44 424.1 181 -42.2 42.2
RKG e S 102.00 1.00 0.44 100.78 1.22 424.1 181 -40.3 40.3
RKG SG 113.80 0.20 0.87 117.31 -3.51 424.1 181 0.3 0.3
Velocity Ratios
BAL MUN
BAL 1.63 1.77
0.09 0.05
MUN 1.77 1.73
0.05 0.01
Start
Date 1989-11-27
Origin Time 1705 13.71 +- 8.43
Zone 50
Easting 434.26 +- 284.80 Longitude 116.320
Northing 6705.27 +- 137.46 Latitude -29.781
Depth 1.00 +- 196.90 C
Arrival times = 5 S.D. = 0.318 Seismographs = 4
Nearest recorder = 69.8 km Gap = 172.7 deg Accuracy = B
Effects Code = Imax = 0 Fault =
69 km SE (153 deg) of MRWA
WESTERN AUSTRALIA
245 km N ( 11 deg) of PERTH
200 km SE (125 deg) of GERALDTON
11 km W (252 deg) of Latham
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.1
PHASE INFORMATION
DATA USED
BAL e P 29.40 0.20 0.77 29.82 -0.42 98.8 158 0.8 0.8
BAL e S 40.20 0.20 0.69 41.61 -1.41 98.8 158 0.8 0.8
COOL e S 140.70 0.50 0.50 128.74 11.96 479.9 106 -39.8 39.8
KLB e P 50.40 0.20 0.71 50.06 0.34 243.5 145 -40.9 40.9
KLB e S 77.40 0.30 0.59 77.43 -0.03 243.5 145 -39.8 39.8
MEKA w S 111.00 5.00 0.33 114.14 -3.14 412.6 32 -39.8 39.8
MEKA e SG 125.00 1.00 0.44 130.25 -5.25 412.6 32 0.2 0.2
MRWA i-P 25.10 0.10 1.30 25.10 -0.00 69.8 333 1.1 1.1
MRWA e S 33.00 0.20 0.71 33.44 -0.44 69.8 333 1.1 1.1
MUN e P 50.30 0.20 0.71 50.09 0.21 243.8 182 -40.9 40.9
MUN e S 79.70 0.20 0.64 77.48 2.22 243.8 182 -39.8 39.8
Velocity Ratios
MRWA
MRWA 1.69
0.03