Data Report
Bulletin / 1990 JUN
Contributed by CUPWA
Start
Date 1990-06-03
Origin Time 1440 34.88 +- 1.95
Zone 50
Easting 500.01 +- 10.67 Longitude 117.000
Northing 6495.60 +- 19.21 Latitude -31.675
Depth 4.64 +- 52.02
Arrival times = 6 S.D. = 0.338 Seismographs = 3
Nearest recorder = 72.7 km Gap = 162.6 deg Accuracy = A
Effects Code = Imax = 0 Fault =
32 km NE ( 42 deg) of YORK
WESTERN AUSTRALIA
113 km E ( 75 deg) of PERTH
5 km S (191 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 1.7
PHASE INFORMATION
DATA USED
BAL e P 54.70 0.20 0.76 54.69 0.01 121.6 346 -31.2 31.2
BAL e S 68.60 0.20 0.68 69.26 -0.66 121.6 346 2.3 2.3
KLB i P 46.70 0.10 1.29 46.76 -0.06 72.7 82 3.9 3.9
KLB i S 55.10 0.10 1.17 55.45 -0.35 72.7 82 3.9 3.9
MUN e P 48.30 0.20 0.78 48.30 0.00 82.1 245 3.4 3.4
MUN e S 57.70 0.20 0.70 58.12 -0.42 82.1 245 3.4 3.4
Velocity Ratios
KLB MUN BAL
KLB 1.71 0.00 1.69
0.02 0.00 0.10
MUN 0.00 1.70 1.70
0.00 0.04 0.18
BAL 1.69 1.70 1.70
0.10 0.18 0.03
Start
Date 1990-06-03
Origin Time 1512 54.86 +- 40.88
Zone 52
Easting 680.22 +- 85.46 Longitude 130.805
Northing 7093.65 +- 120.81 Latitude -26.266
Depth 8.07 +- 359.81
Arrival times = 5 S.D. = 0.038 Seismographs = 3
Nearest recorder = 415.9 km Gap = 179.4 deg Accuracy = D
Effects Code = Imax = 0 Fault =
415 km E ( 92 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? 2.7
PHASE INFORMATION
DATA USED
FORR e P 129.50 0.20 0.65 129.50 -0.00 569.2 207 -42.2 42.2
FORR e S 202.30 0.20 0.59 185.02 17.28 569.2 207 -40.3 40.3
HWK w P 138.00 2.00 0.43 132.72 5.28 596.1 134 -42.2 42.2
HWK w S 217.00 2.00 0.39 190.63 26.37 596.1 134 -40.3 40.3
WARB S-P 41.70 0.50 0.80 41.78 -0.08 415.9 270 0.0 0.0
WARB e P 111.00 0.50 0.56 110.95 0.05 415.9 270 -42.2 42.2
WARB e S 152.70 0.30 0.56 152.73 -0.03 415.9 270 -40.3 40.3
WB5 e P 157.00 0.20 0.63 157.03 -0.03 797.0 27 -42.2 42.2
WB5 e S 233.00 0.20 0.57 232.95 0.05 797.0 27 -40.3 40.3
Velocity Ratios
WARB WB5
WARB 1.74 1.75
0.02 0.04
WB5 1.75 1.74
0.04 0.01
Start
Date 1990-06-04
Origin Time 0013 47.10 +- 2.44
Zone 50
Easting 483.58 +- 11.41 Longitude 116.829
Northing 6632.84 +- 6.21 Latitude -30.436
Depth 1.00 +- 21.12 C
Arrival times = 8 S.D. = 0.482 Seismographs = 4
Nearest recorder = 22.2 km Gap = 176.5 deg Accuracy = A
Effects Code = Imax = 0 Fault =
4 km W (260 deg) of DAM
WESTERN AUSTRALIA
192 km NE ( 29 deg) of PERTH
19 km N ( 17 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 1.8
PHASE INFORMATION
DATA USED
BAL i-P 50.60 0.10 1.42 50.73 -0.13 22.2 211 3.3 3.3
BAL i S 53.20 0.10 1.28 53.39 -0.19 22.2 211 3.3 3.3
KLB e P 72.00 0.20 0.74 71.99 0.01 155.9 145 -31.2 31.2
KLB e S 89.60 0.20 0.67 90.59 -0.99 155.9 145 -29.6 29.6
MRWA i+P 72.20 0.10 1.21 72.18 0.02 157.2 329 -31.2 31.2
MRWA i S 90.10 0.10 1.09 90.92 -0.82 157.2 329 -29.6 29.6
MUN e P 76.00 0.30 0.67 75.47 0.53 180.8 198 -31.2 31.2
MUN e S 96.30 0.20 0.66 96.72 -0.42 180.8 198 -29.6 29.6
Velocity Ratios
BAL KLB MRWA MUN
BAL 1.74 1.70 1.71 1.70
0.08 0.04 0.03 0.04
KLB 1.70 1.71 0.00 0.00
0.04 0.02 0.00 0.00
MRWA 1.71 0.00 1.71 0.00
0.03 0.00 0.01 0.00
MUN 1.70 0.00 0.00 1.70
0.04 0.00 0.00 0.02
Start
Date 1990-06-05
Origin Time 0953 6.66 +- 0.40
Zone 50
Easting 548.66 +- 3.21 Longitude 117.511
Northing 6547.61 +- 3.01 Latitude -31.204
Depth 2.10 +- 7.92
Arrival times = 8 S.D. = 0.049 Seismographs = 5
Nearest recorder = 49.0 km Gap = 118.8 deg Accuracy = A
Effects Code = Imax = 0 Fault =
24 km NW (321 deg) of KBN
WESTERN AUSTRALIA
178 km NE ( 63 deg) of PERTH
42 km S (176 deg) of Koorda
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
PHASE INFORMATION
DATA USED
BAL i-P 23.20 0.10 1.26 23.22 -0.02 101.5 310 1.4 1.4
BAL e S 34.70 0.10 0.79 34.70 0.00 101.5 310 1.4 1.4
COOL e SG 103.00 0.50 0.51 103.03 -0.03 348.9 85 0.4 0.4
KLB i P 14.70 0.10 1.34 14.67 0.03 49.0 151 2.8 2.8
KLB e S 20.20 0.20 0.73 20.22 -0.02 49.0 151 2.8 2.8
MRWA e P 44.30 0.20 0.70 45.03 -0.73 264.0 326 -42.2 42.2
MRWA e S 73.70 0.20 0.63 73.60 0.10 264.0 326 -40.3 40.3
MUN i P 30.70 0.10 1.22 30.75 -0.05 150.4 234 -30.8 30.8
MUN e S 48.30 0.20 0.67 48.22 0.08 150.4 234 0.9 0.9
Velocity Ratios
KLB BAL MUN
KLB 1.68 1.71 1.76
0.05 0.08 0.05
BAL 1.71 1.70 1.81
0.08 0.02 0.09
MUN 1.76 1.81 1.73
0.05 0.09 0.02
Start
Date 1990-06-05
Origin Time 0956 2.58 +- 0.91
Zone 50
Easting 548.17 +- 8.92 Longitude 117.506
Northing 6547.42 +- 7.66 Latitude -31.206
Depth 0.84 +- 29.04
Arrival times = 6 S.D. = 0.022 Seismographs = 3
Nearest recorder = 49.1 km Gap = 199.7 deg Accuracy = A
Effects Code = Imax = 0 Fault =
24 km NW (320 deg) of KBN
WESTERN AUSTRALIA
177 km NE ( 63 deg) of PERTH
42 km S (177 deg) of Koorda
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.9
PHASE INFORMATION
DATA USED
BAL i P 19.10 0.10 1.26 19.09 0.01 101.2 310 0.6 0.6
BAL e S 30.50 0.10 0.79 30.54 -0.04 101.2 310 0.6 0.6
KLB i P 10.60 0.10 1.34 10.59 0.01 49.1 150 1.3 1.3
KLB e S 16.10 0.20 0.73 16.14 -0.04 49.1 150 1.3 1.3
MRWA e P 47.20 0.20 0.70 41.06 6.14 263.9 326 -42.2 42.2
MRWA e S 73.20 0.20 0.63 69.72 3.48 263.9 326 -40.3 40.3
MUN i P 26.70 0.10 1.22 26.70 -0.00 149.9 234 -30.8 30.8
MUN e S 44.00 0.40 0.58 43.99 0.01 149.9 234 0.4 0.4
Velocity Ratios
KLB BAL MUN
KLB 1.69 1.69 1.73
0.05 0.08 0.06
BAL 1.69 1.69 1.78
0.08 0.02 0.12
MUN 1.73 1.78 1.72
0.06 0.12 0.02
Start
Date 1990-06-06
Origin Time 1221 57.67 +- 2.31
Zone 50
Easting 584.01 +- 28.87 Longitude 117.903
Northing 6302.98 +- 21.81 Latitude -33.409
Depth 0.22 +- 48.84
Arrival times = 8 S.D. = 0.453 Seismographs = 4
Nearest recorder = 152.9 km Gap = 164.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
55 km NW (333 deg) of GNOC
WESTERN AUSTRALIA
252 km SE (131 deg) of PERTH
176 km N ( 1 deg) of ALBANY
19 km SE (122 deg) of Dumbleyung
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 146.00 0.20 0.62 138.95 7.05 330.6 339 -40.3 40.3
COOL w PG 126.00 1.00 0.50 125.34 0.66 414.8 48 0.1 0.1
COOL w P 126.00 1.00 0.50 114.49 11.51 414.8 48 -42.2 42.2
COOL e SG 171.60 1.00 0.44 172.26 -0.66 414.8 48 0.1 0.1
COOL e S 171.60 1.00 0.44 156.73 14.87 414.8 48 -40.3 40.3
KLB e P 89.10 0.20 0.72 88.73 0.37 201.9 356 -42.2 42.2
KLB e S 111.80 0.20 0.65 111.87 -0.07 201.9 356 -40.3 40.3
MUN e P 90.80 0.20 0.71 91.46 -0.66 224.5 314 -42.2 42.2
MUN e S 117.00 0.30 0.59 116.62 0.38 224.5 314 -40.3 40.3
RKG e P 82.20 0.20 0.74 82.26 -0.06 152.9 212 -30.8 30.8
RKG e S 100.00 0.50 0.55 99.90 0.10 152.9 212 0.2 0.2
Velocity Ratios
RKG KLB MUN
RKG 1.73 0.00 1.98
0.03 0.00 0.19
KLB 0.00 1.72 0.00
0.00 0.02 0.00
MUN 1.98 0.00 1.79
0.19 0.00 0.02
Start
Date 1990-06-06
Origin Time 1448 56.79 +- 169.25
Zone 50
Easting 205.40 +- 656.80 Longitude 114.133
Northing 7491.99 +- 392.64 Latitude -22.654
Depth 5.00 +- 994.87 N
Arrival times = 5 S.D. = 0.759 Seismographs = 2
Nearest recorder = 141.1 km Gap = 279.3 deg Accuracy = C
Effects Code = Imax = 0 Fault =
69 km NW (322 deg) of LP03
WESTERN AUSTRALIA
81 km S (180 deg) of Exmouth
45 km S (173 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 2.4
PHASE INFORMATION
DATA USED
MBL e P 114.80 0.30 0.60 136.86 -22.06 611.7 75 -42.2 42.2
MBL e S 193.00 0.30 0.54 196.38 -3.38 611.7 75 -40.3 40.3
MRWA e P 155.00 1.00 0.46 153.70 1.30 750.9 166 -42.2 42.2
MRWA e S 225.00 0.50 0.48 225.70 -0.70 750.9 166 -40.3 40.3
NANU S-P 17.00 0.30 0.98 16.47 0.53 141.1 85 0.0 0.0
NANU e P 79.50 0.30 0.69 79.31 0.19 141.1 85 -30.8 30.8
NANU e S 96.50 0.30 0.62 95.78 0.72 141.1 85 2.1 2.1
WARB e S 350.50 0.30 0.51 347.73 2.77 1330.4 109 -40.3 40.3
Velocity Ratios
NANU MRWA
NANU 1.75 1.70
0.04 0.04
MRWA 1.70 1.71
0.04 0.02
Start
Date 1990-06-10
Origin Time 1359 0.48 +- 6.02
Zone 50
Easting 598.88 +- 16.31 Longitude 118.055
Northing 6376.94 +- 12.40 Latitude -32.741
Depth 9.84 +- 46.45
Arrival times = 8 S.D. = 0.445 Seismographs = 4
Nearest recorder = 130.4 km Gap = 149.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
12 km SW (229 deg) of KULI
WESTERN AUSTRALIA
251 km N ( 4 deg) of ALBANY
225 km SE (113 deg) of PERTH
49 km S (159 deg) of Corrigin
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.0
PHASE INFORMATION
DATA USED
BAL e SG 73.60 1.00 0.46 74.81 -1.21 268.9 331 2.2 2.2
BAL w S 73.60 1.00 0.47 67.06 6.54 268.9 331 -40.3 40.3
COOL w P 49.30 1.00 0.51 49.37 -0.07 357.9 55 -42.2 42.2
COOL w S 85.80 1.00 0.46 85.84 -0.04 357.9 55 -40.3 40.3
KLB e P 21.00 0.20 0.75 21.13 -0.13 130.4 347 -30.8 30.8
KLB e S 37.30 0.20 0.68 36.60 0.70 130.4 347 -23.9 23.9
MUN e P 29.00 0.10 0.83 29.44 -0.44 193.3 295 -42.2 42.2
MUN e S 51.00 0.10 0.75 51.13 -0.13 193.3 295 -40.3 40.3
RKG e P 33.00 1.00 0.52 33.25 -0.25 224.7 205 -42.2 42.2
RKG e S 58.50 0.50 0.54 57.77 0.73 224.7 205 -40.3 40.3
Velocity Ratios
KLB MUN RKG COOL
KLB 1.79 1.71 0.00 1.71
0.03 0.11 0.00 0.12
MUN 1.71 1.77 0.00 1.71
0.11 0.01 0.00 0.16
RKG 0.00 0.00 1.78 0.00
0.00 0.00 0.07 0.00
COOL 1.71 1.71 0.00 1.75
0.12 0.16 0.00 0.06
Start
Date 1990-06-10
Origin Time 1743 5.44 +- 2.54
Zone 50
Easting 630.41 +- 56.24 Longitude 118.409
Northing 6260.54 +- 30.21 Latitude -33.787
Depth 17.15 +- 77.81
Arrival times = 8 S.D. = 0.719 Seismographs = 4
Nearest recorder = 155.4 km Gap = 196.3 deg Accuracy = B
Effects Code = Imax = 0 Fault =
21 km NE ( 63 deg) of GNOW
WESTERN AUSTRALIA
314 km SE (131 deg) of PERTH
143 km N ( 20 deg) of ALBANY
41 km NE ( 67 deg) of Gnowangerup
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 SG 107.00 1.00 0.35 114.96 -7.96 387.3 335 2.6 2.6
COOL e PG 72.50 0.50 0.56 72.80 -0.30 412.6 39 2.4 2.4
COOL e SMS 115.00 1.00 0.24 110.21 4.79 412.6 39 -30.0 30.0
COOL e SG 120.00 0.50 0.51 122.09 -2.09 412.6 39 2.4 2.4
KLB e P 41.00 0.50 0.59 40.98 0.02 250.9 345 -40.9 40.9
KLB e S 67.30 0.20 0.64 67.84 -0.54 250.9 345 -39.8 39.8
MUN e P 45.70 0.20 0.70 45.47 0.23 287.4 313 -40.9 40.9
MUN e S 75.10 0.20 0.63 75.74 -0.64 287.4 313 -39.8 39.8
RKG i+P 28.90 0.10 1.21 28.90 0.00 155.4 235 -31.2 31.2
RKG e S 45.80 0.20 0.67 46.56 -0.76 155.4 235 -29.6 29.6
Velocity Ratios
RKG KLB MUN
RKG 1.72 1.78 1.74
0.02 0.13 0.06
KLB 1.78 1.74 0.00
0.13 0.03 0.00
MUN 1.74 0.00 1.73
0.06 0.00 0.01
Start
Date 1990-06-17 Event type = .
Origin Time 1206 22.09 +- 20.50
Zone 54
Easting 265.37 +- 100.43 Longitude 138.477
Northing 6299.92 +- 209.50 Latitude -33.414
Depth 17.83 +- 25.29
Arrival times = 9 S.D. = 1.711 Seismographs = 4
Nearest recorder = 41.5 km Gap = 214.6 deg Accuracy = E
Effects Code = Imax = 0 Fault =
41 km W (272 deg) of HTT
SOUTH AUSTRALIA
169 km N (356 deg) of ADELAIDE
48 km N (345 deg) of CLARE
Record Dur Sync Unc Resp Seismometer Recorder Pol
HTT 50.0 -0.00 0.10 Seismograph details unknown
NBK 35.0 -0.00 0.10 Seismograph details unknown
PNA 45.0 -0.00 0.10 Seismograph details unknown
RPA -0.00 0.10 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
HTT 45 1.0 1.7
NBK 93 1.4
PNA 160 1.3
Mean 1.0 1.5 Assign ML 1.0
PHASE INFORMATION
DATA USED
HTT e-P 29.40 0.30 0.76 29.50 -0.10 41.5 92 24.1 24.1
HTT e S 34.50 0.30 0.68 34.92 -0.42 41.5 92 24.1 24.1
NBK e P 38.00 0.30 0.71 36.57 1.43 91.5 329 -31.2 31.2
NBK PMP 39.20 0.30 0.61 37.89 1.31 91.5 329 -40.9 40.9
NBK e S 48.10 0.30 0.64 47.41 0.69 91.5 329 -29.6 29.6
NBK SMS 52.60 0.30 0.51 49.78 2.82 91.5 329 -39.9 39.9
PNA e P 48.00 0.30 0.68 46.05 1.95 159.4 349 -31.2 31.2
PNA e S 64.60 0.30 0.61 64.09 0.51 159.4 349 -29.6 29.6
PNA SMS 69.00 0.30 0.49 65.33 3.67 159.4 349 -33.1 33.1
RPA e S 57.00 0.30 0.62 55.91 1.09 126.1 307 -29.6 29.6
Velocity Ratios
HTT NBK
HTT 1.70 1.58
0.12 0.19
NBK 1.58 1.63
0.19 0.05
Start
Date 1990-06-20
Origin Time 1701 9.50 +- 3.21
Zone 50
Easting 476.31 +- 22.10 Longitude 116.753
Northing 6624.41 +- 19.62 Latitude -30.512
Depth 5.92 +- 17.28
Arrival times = 7 S.D. = 0.381 Seismographs = 3
Nearest recorder = 11.4 km Gap = 298.7 deg Accuracy = A
Effects Code = Imax = 0 Fault =
11 km NE ( 23 deg) of BAL
WESTERN AUSTRALIA
181 km NE ( 29 deg) of PERTH
10 km N (351 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 2.1
PHASE INFORMATION
DATA USED
BAL S-P 1.50 0.10 1.49 1.55 -0.05 11.4 202 0.0 0.0
BAL i-P 11.60 0.05 1.71 11.62 -0.02 11.4 202 28.7 28.7
BAL i S 13.10 0.10 1.34 13.16 -0.06 11.4 202 28.7 28.7
KLB e P 33.80 0.10 0.85 33.64 0.16 153.4 141 -31.2 31.2
KLB i S 50.90 0.10 1.09 51.71 -0.81 153.4 141 -29.6 29.6
MUN e P 36.00 0.30 0.68 36.03 -0.03 170.6 197 -31.2 31.2
MUN e S 55.10 0.30 0.61 55.92 -0.82 170.6 197 -29.6 29.6
Velocity Ratios
BAL KLB MUN
BAL 1.72 1.70 1.72
0.09 0.02 0.04
KLB 1.70 1.70 0.00
0.02 0.01 0.00
MUN 1.72 0.00 1.72
0.04 0.00 0.03
Start
Date 1990-06-22
Origin Time 0154 21.81 +- 17.33
Zone 50
Easting 253.28 +- 63.96 Longitude 114.457
Northing 6743.65 +- 29.50 Latitude -29.412
Depth 1.00 +- 87.63 C
Arrival times = 7 S.D. = 1.056 Seismographs = 4
Nearest recorder = 151.0 km Gap = 218.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
118 km S (188 deg) of NDHS
WESTERN AUSTRALIA
311 km NW (334 deg) of PERTH
73 km S (193 deg) of GERALDTON
49 km W (249 deg) of Dongara
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 w P 61.00 1.00 0.52 59.10 1.90 254.2 122 -42.2 42.2
BAL e S 88.00 1.00 0.46 86.88 1.12 254.2 122 -40.3 40.3
KLB w P 90.00 2.00 0.44 76.56 13.44 398.5 128 -42.2 42.2
KLB e S 127.50 0.50 0.51 117.26 10.24 398.5 128 -40.3 40.3
MEKA e S 146.00 1.00 0.34 140.05 5.95 506.6 53 -40.3 40.3
MRWA S-P 16.80 0.20 1.06 17.45 -0.65 151.0 82 0.0 0.0
MRWA i+P 46.20 0.10 1.22 46.08 0.12 151.0 82 -30.8 30.8
MRWA e S 63.00 0.20 0.67 63.53 -0.53 151.0 82 0.5 0.5
MUN e P 67.50 1.00 0.50 68.30 -0.80 330.2 150 -42.2 42.2
MUN e S 101.00 1.00 0.45 102.88 -1.88 330.2 150 -40.3 40.3
NANU e S 194.00 1.00 0.41 195.01 -1.01 768.0 8 -40.3 40.3
Velocity Ratios
MRWA BAL MUN
MRWA 1.69 0.00 1.78
0.02 0.00 0.16
BAL 0.00 1.69 0.00
0.00 0.07 0.00
MUN 1.78 0.00 1.73
0.16 0.00 0.06
Start
Date 1990-06-23
Origin Time 0003 48.47 +- 19.28
Zone 50
Easting 479.21 +- 135.57 Longitude 116.783
Northing 6622.08 +- 188.15 Latitude -30.533
Depth 3.69 +- 34.55
Arrival times = 6 S.D. = 0.798 Seismographs = 3
Nearest recorder = 11.0 km Gap = 280.0 deg Accuracy = A
Effects Code = Imax = 0 Fault =
10 km NE ( 42 deg) of BAL
WESTERN AUSTRALIA
180 km NE ( 30 deg) of PERTH
7 km N ( 10 deg) of Ballidu
Record Dur Sync Unc Resp Seismometer Recorder Pol
AZA 0.00 Seismograph details unknown
TOU 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
AZA S-P 1.02 0.02 2.14 4.21 -3.19 37.0 2 0.0 0.0
AZA i+P 50.42 0.10 1.55 54.54 -4.12 37.0 2 6.2 6.2
AZA i S 51.44 0.10 1.39 58.75 -7.31 37.0 2 6.2 6.2
BAL S-P 1.40 0.20 1.30 1.32 0.08 11.0 221 0.0 0.0
BAL i-P 51.10 0.05 1.71 50.37 0.73 11.0 221 20.0 20.0
KLB e P 73.40 0.20 0.74 72.35 1.05 149.8 141 -30.8 30.8
KLB e S 90.60 0.20 0.67 89.87 0.73 149.8 141 1.5 1.5
MUN e P 76.00 0.20 0.73 75.07 0.93 169.2 198 -30.8 30.8
MUN e S 95.60 0.20 0.66 95.08 0.52 169.2 198 -23.9 23.9
TOU S-P 0.70 0.02 2.15 4.21 -3.51 37.0 2 0.0 0.0
TOU i+P 50.04 0.10 1.56 54.54 -4.50 37.0 2 6.2 6.2
TOU i S 50.74 0.10 1.40 58.75 -8.01 37.0 2 6.2 6.2
Velocity Ratios
KLB MUN
KLB 1.69 0.00
0.02 0.00
MUN 0.00 1.71
0.00 0.02
Start
Date 1990-06-24
Origin Time 0720 53.97 +- 0.77
Zone 50
Easting 616.33 +- 5.62 Longitude 118.214
Northing 6608.52 +- 3.97 Latitude -30.650
Depth 1.00 +- 15.13 C
Arrival times = 7 S.D. = 0.178 Seismographs = 4
Nearest recorder = 113.0 km Gap = 106.3 deg Accuracy = B
Effects Code = Imax = 0 Fault =
9 km NW (336 deg) of MBC
WESTERN AUSTRALIA
267 km NE ( 58 deg) of PERTH
20 km SW (228 deg) of Bonnie Rock
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 77.70 0.10 0.85 77.33 0.37 144.5 271 -30.8 30.8
BAL e S 93.80 0.10 0.77 93.90 -0.10 144.5 271 0.5 0.5
COOL e P 98.00 0.20 0.70 94.64 3.36 281.9 96 -42.2 42.2
COOL e S 125.00 0.20 0.63 124.91 0.09 281.9 96 -40.3 40.3
KLB S-P 12.70 0.10 1.25 12.78 -0.08 113.0 202 0.0 0.0
KLB i-P 72.40 0.10 1.25 72.40 -0.00 113.0 202 0.7 0.7
KLB i S 85.10 0.10 1.12 85.18 -0.08 113.0 202 0.7 0.7
MEKA e SG 177.50 0.10 0.69 177.79 -0.29 448.2 4 0.2 0.2
MRWA e P 95.80 0.20 0.70 92.75 3.05 266.5 306 -42.2 42.2
MRWA e S 125.60 0.30 0.58 121.62 3.98 266.5 306 -40.3 40.3
MUN e P 91.00 0.20 0.71 89.67 1.33 241.0 231 -42.2 42.2
MUN e S 115.00 0.10 0.73 116.25 -1.25 241.0 231 -40.3 40.3
Velocity Ratios
KLB BAL
KLB 1.69 1.64
0.01 0.10
BAL 1.64 1.68
0.10 0.01
Start
Date 1990-06-24
Origin Time 2055 59.98 +- 103.48
Zone 50
Easting 481.76 +- 648.17 Longitude 116.810
Northing 6621.88 +- 186.30 Latitude -30.535
Depth 1.22 +- 273.55
Arrival times = 7 S.D. = 0.352 Seismographs = 4
Nearest recorder = 12.7 km Gap = 171.0 deg Accuracy = A
Effects Code = Imax = 0 Fault =
11 km W (289 deg) of PIG
WESTERN AUSTRALIA
182 km NE ( 30 deg) of PERTH
8 km NE ( 28 deg) of Ballidu
Record Dur Sync Unc Resp Seismometer Recorder Pol
AZA 0.00 Seismograph details unknown
TOU 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
AZA S-P 61.02 0.02 2.11 4.21 56.81 37.2 358 0.0 0.0
AZA i+P 61.68 0.10 1.53 66.04 -4.36 37.2 358 2.3 2.3
AZA e S 62.70 0.10 0.96 70.25 -7.55 37.2 358 2.3 2.3
BAL S-P 61.60 0.20 1.29 1.44 60.16 12.7 231 0.0 0.0
BAL i-P 62.40 0.05 1.70 62.06 0.34 12.7 231 6.8 6.8
COOL e P 116.00 0.20 0.67 116.97 -0.97 417.1 96 -42.2 42.2
COOL e S 158.50 0.30 0.56 159.34 -0.84 417.1 96 -40.3 40.3
KLB i-P 84.20 0.10 1.22 83.82 0.38 148.1 142 -30.8 30.8
KLB e S 101.30 0.20 0.67 100.88 0.42 148.1 142 0.6 0.6
MRWA e P 86.60 0.20 0.73 86.29 0.31 165.8 331 -30.8 30.8
MRWA e S 105.00 1.00 0.48 105.77 -0.77 165.8 331 0.5 0.5
MUN e P 87.10 0.10 0.84 86.87 0.23 169.9 199 -30.8 30.8
MUN e S 107.00 0.20 0.66 106.91 0.09 169.9 199 0.5 0.5
TOU S-P 60.70 0.02 2.12 4.21 56.49 37.2 358 0.0 0.0
TOU i+P 61.36 0.02 2.12 66.04 -4.68 37.2 358 2.3 2.3
TOU i S 62.06 0.10 1.38 70.25 -8.19 37.2 358 2.3 2.3
Velocity Ratios
KLB MUN
KLB 1.71 0.00
0.02 0.00
MUN 0.00 1.73
0.00 0.01
Start
Date 1990-06-26
Origin Time 0914 54.86 +- 4.34
Zone 50
Easting 480.80 +- 14.69 Longitude 116.800
Northing 6621.67 +- 15.54 Latitude -30.537
Depth 1.00 +- 70.90 C
Arrival times = 7 S.D. = 0.324 Seismographs = 4
Nearest recorder = 11.8 km Gap = 170.4 deg Accuracy = A
Effects Code = Imax = 0 Fault =
11 km NE ( 49 deg) of BAL
WESTERN AUSTRALIA
181 km NE ( 30 deg) of PERTH
8 km N ( 22 deg) of Ballidu
Record Dur Sync Unc Resp Seismometer Recorder Pol
AZA 0.00 Seismograph details unknown
TOU 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.5
PHASE INFORMATION
DATA USED
AZA S-P 1.00 0.02 2.12 4.23 -3.23 37.3 0 0.0 0.0
AZA i+P 56.26 0.10 1.53 60.95 -4.69 37.3 0 2.0 2.0
AZA i S 57.26 0.10 1.38 65.18 -7.92 37.3 0 2.0 2.0
BAL S-P 1.60 0.20 1.29 1.34 0.26 11.8 229 0.0 0.0
BAL i-P 56.90 0.05 1.70 56.79 0.11 11.8 229 6.3 6.3
KLB e P 79.20 0.20 0.74 78.77 0.43 148.5 142 -30.8 30.8
KLB e S 96.20 0.10 0.77 95.88 0.32 148.5 142 0.5 0.5
MRWA e P 81.60 0.10 0.84 81.15 0.45 165.5 331 -30.8 30.8
MRWA e S 99.50 0.30 0.61 100.57 -1.07 165.5 331 0.5 0.5
MUN i-P 82.10 0.10 1.20 81.69 0.41 169.4 199 -30.8 30.8
MUN e S 101.70 0.10 0.76 101.65 0.05 169.4 199 0.4 0.4
TOU S-P 0.70 0.02 2.13 4.23 -3.53 37.3 0 0.0 0.0
TOU i+P 55.96 0.10 1.54 60.95 -4.99 37.3 0 2.0 2.0
TOU i S 56.66 0.10 1.39 65.18 -8.52 37.3 0 2.0 2.0
Velocity Ratios
KLB MUN
KLB 1.70 0.00
0.02 0.00
MUN 0.00 1.72
0.00 0.01
Start
Date 1990-06-26
Origin Time 1750 11.93 +- 23.22
Zone 50
Easting 490.86 +- 98.38 Longitude 116.910
Northing 7246.45 +- 59.74 Latitude -24.897
Depth 5.00 +- 194.16 N
Arrival times = 6 S.D. = 1.636 Seismographs = 3
Nearest recorder = 297.4 km Gap = 154.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
168 km S (184 deg) of LP06
WESTERN AUSTRALIA
789 km N ( 8 deg) of PERTH
327 km E ( 91 deg) of CARNARVON
26 km N ( 2 deg) of Landor
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 w S 133.00 2.00 0.38 132.92 0.08 510.9 36 -39.8 39.8
MBL e SG 153.00 0.50 0.50 156.26 -3.26 510.9 36 0.6 0.6
MEKA e S 63.00 1.00 0.46 76.48 -13.48 250.4 139 -39.8 39.8
MEKA e SG 63.00 1.00 0.46 82.70 -19.70 250.4 139 1.3 1.3
MRWA e P 78.50 0.50 0.55 77.90 0.60 487.1 190 -40.9 40.9
MRWA e S 126.50 0.50 0.50 127.78 -1.28 487.1 190 -39.8 39.8
NANU e P 54.20 0.20 0.70 54.49 -0.29 297.4 330 -40.9 40.9
NANU e S 85.20 0.10 0.72 86.59 -1.39 297.4 330 -39.8 39.8
NANU e SG 102.00 0.50 0.52 95.96 6.04 297.4 330 1.0 1.0
Velocity Ratios
NANU MRWA
NANU 1.73 1.70
0.01 0.08
MRWA 1.70 1.72
0.08 0.02
Start
Date 1990-06-26
Origin Time 2030 46.17 +- 3.52
Zone 52
Easting 267.85 +- 8.40 Longitude 126.799
Northing 7931.18 +- 15.07 Latitude -18.698
Depth 5.00 +- 36.83 N
Arrival times = 8 S.D. = 0.527 Seismographs = 5
Nearest recorder = 387.5 km Gap = 144.6 deg Accuracy = C
Effects Code = Imax = 0 Fault =
387 km SW (212 deg) of KNA
WESTERN AUSTRALIA
106 km SW (241 deg) of HALLS CREEK
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 3.3
PHASE INFORMATION
DATA USED
ASPA e S 250.00 1.00 0.41 251.00 -1.00 921.2 128 -40.3 40.3
FORR e P 212.00 0.50 0.51 215.14 -3.14 1346.5 174 -42.2 42.2
FORR e S 337.00 0.50 0.46 340.53 -3.53 1346.5 174 -40.3 40.3
KNA e P 105.40 1.00 0.49 99.14 6.26 387.5 32 -42.2 42.2
KNA e PG 106.50 0.30 0.63 109.40 -2.90 387.5 32 0.8 0.8
KNA e S 142.00 0.30 0.56 138.57 3.43 387.5 32 -40.3 40.3
KNA e SG 153.50 0.50 0.51 153.23 0.27 387.5 32 0.8 0.8
MBL e P 147.20 0.20 0.63 146.83 0.37 781.9 248 -42.2 42.2
MBL e S 221.20 0.20 0.57 221.60 -0.40 781.9 248 -40.3 40.3
MRWA e P 241.40 0.30 0.56 247.28 -5.88 1612.5 221 -42.2 42.2
MRWA e S 391.00 0.30 0.51 396.49 -5.49 1612.5 221 -40.3 40.3
MTN e P 153.00 1.00 0.46 148.56 4.44 796.3 36 -42.2 42.2
MTN e S 230.00 1.00 0.41 224.62 5.38 796.3 36 -40.3 40.3
NANU e P 204.00 0.30 0.56 205.03 -1.03 1263.3 248 -42.2 42.2
NANU e S 322.00 0.20 0.55 322.93 -0.93 1263.3 248 -40.3 40.3
WARB i+P 152.40 0.10 1.03 152.60 -0.20 829.4 181 -42.2 42.2
WARB e S 232.60 0.20 0.57 231.64 0.96 829.4 181 -40.3 40.3
WB5 e P 149.50 0.20 0.63 149.86 -0.36 806.8 100 -42.2 42.2
WB5 e S 227.30 0.20 0.57 226.88 0.42 806.8 100 -40.3 40.3
Velocity Ratios
MBL WB5 WARB
MBL 1.73 0.00 0.00
0.01 0.00 0.00
WB5 0.00 1.75 0.00
0.00 0.01 0.00
WARB 0.00 0.00 1.75
0.00 0.00 0.00
Start
Date 1990-06-27
Origin Time 0021 16.79 +- 8.32
Zone 50
Easting 613.35 +- 105.75 Longitude 118.223
Northing 6269.81 +- 51.91 Latitude -33.706
Depth 5.00 +- 155.35 N
Arrival times = 7 S.D. = 0.876 Seismographs = 4
Nearest recorder = 147.3 km Gap = 187.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
17 km N ( 15 deg) of GNOC
WESTERN AUSTRALIA
295 km SE (132 deg) of PERTH
147 km N ( 13 deg) of ALBANY
32 km NE ( 40 deg) of Gnowangerup
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 w P 74.00 5.00 0.36 74.12 -0.12 416.9 41 -40.9 40.9
COOL e PG 84.00 0.30 0.62 84.81 -0.81 416.9 41 0.8 0.8
COOL w S 114.00 5.00 0.33 117.44 -3.44 416.9 41 -39.8 39.8
COOL e SG 129.00 1.00 0.44 134.57 -5.57 416.9 41 0.8 0.8
KLB e P 53.30 0.20 0.71 52.08 1.22 238.3 349 -40.9 40.9
KLB e S 78.00 0.20 0.64 78.67 -0.67 238.3 349 -39.8 39.8
MRWA e S 141.50 0.50 0.49 144.21 -2.71 540.5 336 -39.8 39.8
MRWA e SG 161.00 0.30 0.55 169.48 -8.48 540.5 336 0.6 0.6
MUN e P 58.00 0.50 0.59 55.82 2.18 268.7 315 -40.9 40.9
MUN e S 84.00 0.20 0.63 85.25 -1.25 268.7 315 -39.8 39.8
RKG i-P 40.20 0.10 1.22 40.15 0.05 147.3 228 -31.2 31.2
RKG i S 56.80 0.10 1.10 57.62 -0.82 147.3 228 -29.6 29.6
Velocity Ratios
RKG KLB
RKG 1.71 1.62
0.01 0.06
KLB 1.62 1.68
0.06 0.01
Start
Date 1990-06-27
Origin Time 1423 49.58 +- 2.64
Zone 51
Easting 512.33 +- 25.23 Longitude 123.117
Northing 7917.63 +- 42.73 Latitude -18.833
Depth 5.00 +- 27.71 N
Arrival times = 8 S.D. = 0.729 Seismographs = 4
Nearest recorder = 429.5 km Gap = 188.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
429 km NE ( 53 deg) of MBL
WESTERN AUSTRALIA
134 km SE (136 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 3.1
PHASE INFORMATION
DATA USED
KNA w P 142.60 2.00 0.41 139.31 3.29 691.6 61 -42.2 42.2
KNA e S 206.50 0.30 0.53 205.98 0.52 691.6 61 -40.3 40.3
KNA e SG 240.00 1.00 0.42 240.62 -0.62 691.6 61 0.4 0.4
MBL e P 107.60 0.20 0.67 107.62 -0.02 429.5 232 -42.2 42.2
MBL e PG 120.00 0.50 0.56 119.64 0.36 429.5 232 0.7 0.7
MBL e S 152.00 1.00 0.44 150.81 1.19 429.5 232 -40.3 40.3
MBL e SG 167.00 0.50 0.50 168.22 -1.22 429.5 232 0.7 0.7
MRWA e P 219.00 0.50 0.51 220.21 -1.21 1360.5 210 -42.2 42.2
MRWA e S 343.00 0.50 0.46 346.84 -3.84 1360.5 210 -40.3 40.3
NANU e P 165.00 0.30 0.58 163.93 1.07 895.2 241 -42.2 42.2
NANU e S 247.30 0.30 0.52 248.85 -1.55 895.2 241 -40.3 40.3
WARB e P 164.00 0.50 0.52 163.48 0.52 891.2 156 -42.2 42.2
WARB e S 246.50 0.30 0.52 248.06 -1.56 891.2 156 -40.3 40.3
WB5 e P 199.50 0.30 0.56 200.12 -0.62 1194.3 97 -42.2 42.2
WB5 e S 312.80 0.30 0.51 311.85 0.95 1194.3 97 -40.3 40.3
Velocity Ratios
MBL
MBL 1.77
0.02