Data Report
Bulletin / 1995-10
Contributed by CUPWA
Date 1995-10-06
Origin Time 1119 7.75 +- 2.20
Zone 50
Easting 403.90 +- 13.03 Longitude 116.044
Northing 7187.79 +- 8.39 Latitude -25.424
Depth 5.00 +- 27.37 N
Arrival times = 11 S.D. = 0.877 Seismographs = 4
Nearest recorder = 290.2 km Gap = 148.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
135 km E (112 deg) of LP02
WESTERN AUSTRALIA
724 km N ( 2 deg) of PERTH
247 km E (105 deg) of CARNARVON
65 km W (284 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 2.1
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MEEK e P 48.80 0.30 0.64 48.98 -0.18 290.2 118 -42.2 42.2
MEEK e S 79.80 0.30 0.58 79.71 0.09 290.2 118 -40.3 40.3
MEEK e S2 84.70 0.50 0.29 84.77 -0.07 290.2 118 -23.9 23.9
GIRL e P2 61.90 1.00 0.30 60.78 1.12 358.9 328 -30.8 30.8
GIRL e PG 65.00 1.00 0.50 66.30 -1.30 358.9 328 0.8 0.8
GIRL e S2 101.20 1.00 0.25 102.08 -0.88 358.9 328 -23.9 23.9
GIRL e SG 108.20 1.00 0.45 106.89 1.31 358.9 328 0.8 0.8
MRWA e P 64.00 0.30 0.62 64.70 -0.70 420.4 180 -42.2 42.2
MRWA e S 108.40 0.50 0.50 107.08 1.32 420.4 180 -40.3 40.3
MRWA e SG 123.50 1.00 0.44 123.88 -0.38 420.4 180 0.7 0.7
WARB e S 244.00 0.50 0.46 243.71 0.29 1069.2 96 -40.3 40.3
11 times used, S = 0.877
Deferred Data
WARB e P 139.90 2.00 0.39 143.17 -3.27 1069.2 96 -42.2 42.2
Velocity Ratios
MEEK MRWA
MEEK 1.76 1.88
0.02 0.13
MRWA 1.88 1.79
0.13 0.02
Date 1995-10-08
Origin Time 0900 37.70 +- 7.85
Zone 50
Easting 719.16 +- 63.97 Longitude 119.230
Northing 6892.30 +- 86.20 Latitude -28.077
Depth 5.00 +- 50.51 N
Arrival times = 7 S.D. = 0.776 Seismographs = 4
Nearest recorder = 340.5 km Gap = 312.3 deg Accuracy = D
Effects Code = Imax = 0 Fault =
170 km S (159 deg) of MEEK
WESTERN AUSTRALIA
539 km NE ( 38 deg) of PERTH
181 km SE (157 deg) of MEEKATHARRA
136 km E ( 91 deg) of Mt Magnet
Record Dur Sync Unc Resp Seismometer Recorder Pol
MRWA -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MRWA e P 84.00 0.50 0.57 84.99 -0.99 340.5 247 -42.2 42.2
MRWA e PG 93.00 0.50 0.57 93.25 -0.25 340.5 247 0.9 0.9
MRWA e S 121.00 0.50 0.52 120.22 0.78 340.5 247 -40.3 40.3
BAL e P 89.00 0.50 0.57 88.84 0.16 372.3 220 -42.2 42.2
BAL e S 126.70 0.30 0.57 126.92 -0.22 372.3 220 -40.3 40.3
KLB e S 135.00 2.00 0.38 135.84 -0.84 414.7 199 -40.3 40.3
MUN e P 108.00 0.50 0.55 106.86 1.14 521.4 213 -42.2 42.2
7 times used, S = 0.776
Deferred Data
MUN e S 155.00 0.50 0.49 158.30 -3.30 521.4 213 -40.3 40.3
Velocity Ratios
MRWA BAL
MRWA 1.80 0.00
0.03 0.00
BAL 0.00 1.73
0.00 0.02
Date 1995-10-09
Origin Time 0933 50.54 +- 1.45
Zone 50
Easting 583.78 +- 44.63 Longitude 117.849
Northing 6952.00 +- 32.58 Latitude -27.553
Depth 5.00 +- 21.49 N
Arrival times = 9 S.D. = 0.409 Seismographs = 3
Nearest recorder = 126.6 km Gap = 172.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
126 km SW (216 deg) of MEEK
WESTERN AUSTRALIA
524 km N ( 22 deg) of PERTH
126 km SW (211 deg) of MEEKATHARRA
15 km S (200 deg) of Cue
Record Dur Sync Unc Resp Seismometer Recorder Pol
MEEK -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MEEK e P 70.80 0.10 0.86 71.08 -0.28 126.6 36 -30.8 30.8
MEEK e PN 71.80 0.50 0.44 72.00 -0.20 126.6 36 -42.2 42.2
MEEK e S 86.00 0.10 0.78 85.56 0.44 126.6 36 2.5 2.5
MEEK e SN 87.50 1.00 0.33 88.08 -0.58 126.6 36 -40.3 40.3
MRWA e P 88.00 0.50 0.59 87.95 0.05 258.8 223 -42.2 42.2
MRWA e S 116.00 0.50 0.53 115.86 0.14 258.8 223 -40.3 40.3
MRWA e SG 122.00 0.50 0.53 122.04 -0.04 258.8 223 1.2 1.2
BAL e PG 109.50 2.00 0.43 108.64 0.86 356.1 197 0.9 0.9
BAL e SG 148.50 1.00 0.45 148.92 -0.42 356.1 197 0.9 0.9
9 times used, S = 0.409
Deferred Data
BAL e S2 148.50 1.00 0.25 144.20 4.30 356.1 197 -23.9 23.9
MUN w SG 191.00 2.00 0.38 192.90 -1.90 515.3 197 0.6 0.6
Velocity Ratios
MEEK MRWA
MEEK 1.75 1.74
0.01 0.10
MRWA 1.74 1.75
0.10 0.04
Date 1995-10-09
Origin Time 2317 54.09 +- 0.67
Zone 50
Easting 547.90 +- 5.82 Longitude 117.503
Northing 6546.93 +- 3.40 Latitude -31.211
Depth 5.00 +- 7.32 N
Arrival times = 11 S.D. = 0.446 Seismographs = 5
Nearest recorder = 48.8 km Gap = 183.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
6 km NW (296 deg) of WYAL
WESTERN AUSTRALIA
177 km NE ( 63 deg) of PERTH
42 km S (177 deg) of Koorda
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 62.20 0.10 0.94 62.10 0.10 48.8 150 6.2 6.2
KLB e S 67.20 0.10 0.84 67.65 -0.45 48.8 150 6.2 6.2
BAL i+P 70.30 0.10 1.26 70.65 -0.35 101.3 311 3.0 3.0
BAL e S 81.60 0.20 0.69 82.12 -0.52 101.3 311 3.0 3.0
MUN i-P 78.10 0.10 1.22 77.80 0.30 149.4 234 -30.8 30.8
MUN e S 95.10 0.30 0.62 95.39 -0.29 149.4 234 2.0 2.0
NWAO e P 83.70 0.30 0.67 83.41 0.29 191.9 187 -42.2 42.2
NWAO e S 105.40 0.30 0.60 105.32 0.08 191.9 187 -40.3 40.3
MRWA e P 93.00 1.00 0.51 92.16 0.84 264.2 326 -42.2 42.2
MRWA e S 121.40 0.30 0.58 120.55 0.85 264.2 326 -40.3 40.3
MRWA e S2 124.80 0.30 0.32 124.53 0.27 264.2 326 -23.9 23.9
11 times used, S = 0.446
Deferred Data
RKG e P 102.00 1.00 0.49 105.59 -3.59 375.2 186 -42.2 42.2
RKG e S 142.50 1.00 0.44 143.93 -1.43 375.2 186 -40.3 40.3
Velocity Ratios
KLB BAL MUN NWAO MRWA
KLB 1.62 1.78 1.75 1.78 1.76
0.03 0.08 0.05 0.05 0.08
BAL 1.78 1.70 1.73 1.78 1.75
0.08 0.02 0.11 0.09 0.11
MUN 1.75 1.73 1.71 0.00 1.77
0.05 0.11 0.02 0.00 0.18
NWAO 1.78 1.78 0.00 1.73 0.00
0.05 0.09 0.00 0.03 0.00
MRWA 1.76 1.75 1.77 0.00 1.73
0.08 0.11 0.18 0.00 0.05
Date 1995-10-10
Origin Time 1317 31.53 +- 2.77
Zone 50
Easting 549.08 +- 27.68 Longitude 117.527
Northing 6317.54 +- 10.80 Latitude -33.280
Depth 5.00 +- 16.07 N
Arrival times = 9 S.D. = 0.536 Seismographs = 5
Nearest recorder = 47.8 km Gap = 191.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
47 km SE (145 deg) of NWAO
WESTERN AUSTRALIA
216 km SE (134 deg) of PERTH
193 km N (350 deg) of ALBANY
19 km W (283 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 1.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NWAO e P 39.10 0.10 0.94 39.38 -0.28 47.8 325 6.3 6.3
NWAO e S 44.80 0.20 0.73 44.82 -0.02 47.8 325 6.3 6.3
RKG e P 54.50 2.00 0.47 55.43 -0.93 150.8 198 -30.8 30.8
RKG e S 74.00 1.00 0.48 73.21 0.79 150.8 198 2.0 2.0
KLB e P 60.40 0.30 0.67 60.43 -0.03 188.4 6 -42.2 42.2
KLB e S 82.70 0.50 0.54 82.04 0.66 188.4 6 -40.3 40.3
MUN e P 60.40 0.30 0.67 60.63 -0.23 190.1 319 -42.2 42.2
MUN e S 83.20 0.50 0.54 82.37 0.83 190.1 319 -40.3 40.3
MRWA e S2 154.00 0.50 0.28 154.75 -0.75 473.2 341 -23.9 23.9
9 times used, S = 0.536
Deferred Data
KLB e S2 83.80 0.50 0.30 82.84 0.96 188.4 6 -23.9 23.9
BAL e S2 113.80 0.50 0.29 112.60 1.20 306.3 345 -23.9 23.9
BAL e S 113.80 0.50 0.52 106.85 6.95 306.3 345 -40.3 40.3
Velocity Ratios
NWAO RKG KLB MUN
NWAO 1.75 0.00 1.78 1.80
0.05 0.00 0.07 0.07
RKG 0.00 1.85 0.00 0.00
0.00 0.22 0.00 0.00
KLB 1.78 0.00 1.77 0.00
0.07 0.00 0.04 0.00
MUN 1.80 0.00 0.00 1.79
0.07 0.00 0.00 0.04
Date 1995-10-10
Origin Time 1330 28.29 +- 1.79
Zone 50
Easting 549.05 +- 17.11 Longitude 117.527
Northing 6319.62 +- 7.73 Latitude -33.261
Depth 5.00 +- 14.19 N
Arrival times = 8 S.D. = 0.297 Seismographs = 4
Nearest recorder = 46.1 km Gap = 191.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
46 km SE (143 deg) of NWAO
WESTERN AUSTRALIA
214 km SE (133 deg) of PERTH
195 km N (351 deg) of ALBANY
20 km W (289 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 1.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NWAO e P 35.60 0.10 0.94 35.86 -0.26 46.1 323 6.5 6.5
NWAO e S 41.10 0.10 0.85 41.11 -0.01 46.1 323 6.5 6.5
RKG e P 53.00 1.00 0.54 52.47 0.53 152.7 197 -30.8 30.8
RKG e S 70.20 0.50 0.55 70.51 -0.31 152.7 197 2.0 2.0
KLB i-P 57.00 0.10 1.19 56.95 0.05 186.4 6 -42.2 42.2
KLB e S 78.20 0.50 0.54 78.37 -0.17 186.4 6 -40.3 40.3
MUN e P 57.10 0.20 0.73 57.20 -0.10 188.5 318 -42.2 42.2
MUN e S 79.50 0.50 0.54 78.80 0.70 188.5 318 -40.3 40.3
8 times used, S = 0.297
Deferred Data
MRWA e SG 156.60 0.50 0.50 158.47 -1.87 471.2 341 0.6 0.6
Velocity Ratios
NWAO RKG KLB MUN
NWAO 1.75 1.67 1.73 1.79
0.04 0.15 0.04 0.05
RKG 1.67 1.70 0.00 0.00
0.15 0.09 0.00 0.00
KLB 1.73 0.00 1.74 0.00
0.04 0.00 0.02 0.00
MUN 1.79 0.00 0.00 1.78
0.05 0.00 0.00 0.03
Date 1995-10-10
Origin Time 1425 11.09 +- 5.45
Zone 50
Easting 549.14 +- 24.15 Longitude 117.528
Northing 6314.89 +- 23.35 Latitude -33.304
Depth 5.00 +- 13.76 N
Arrival times = 7 S.D. = 0.455 Seismographs = 4
Nearest recorder = 50.0 km Gap = 313.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
50 km SE (146 deg) of NWAO
WESTERN AUSTRALIA
218 km SE (134 deg) of PERTH
191 km N (350 deg) of ALBANY
19 km W (275 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 1.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NWAO e P 19.20 0.10 0.93 19.30 -0.10 50.0 326 6.0 6.0
NWAO e S 24.80 0.10 0.84 24.99 -0.19 50.0 326 6.0 6.0
KLB e P 40.70 0.50 0.60 40.31 0.39 191.0 6 -42.2 42.2
KLB e S 61.80 0.50 0.54 62.15 -0.35 191.0 6 -40.3 40.3
MUN e P 40.00 0.50 0.60 40.43 -0.43 192.1 319 -42.2 42.2
MUN e S 63.20 0.50 0.54 62.36 0.84 192.1 319 -40.3 40.3
BAL e S2 93.80 0.50 0.29 92.81 0.99 308.9 345 -23.9 23.9
7 times used, S = 0.455
Deferred Data
MRWA e SG 140.30 0.50 0.50 142.51 -2.21 475.7 341 0.6 0.6
Velocity Ratios
NWAO KLB MUN
NWAO 1.69 1.72 1.85
0.03 0.08 0.08
KLB 1.72 1.71 0.00
0.08 0.05 0.00
MUN 1.85 0.00 1.80
0.08 0.00 0.05
Date 1995-10-12
Origin Time 0428 51.70 +- 0.81
Zone 50
Easting 527.61 +- 6.62 Longitude 117.290
Northing 6546.03 +- 4.00 Latitude -31.219
Depth 5.00 +- 13.96 N
Arrival times = 9 S.D. = 0.390 Seismographs = 5
Nearest recorder = 60.8 km Gap = 162.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
25 km W (274 deg) of WYAL
WESTERN AUSTRALIA
159 km NE ( 60 deg) of PERTH
25 km E ( 95 deg) of Dowerin
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 61.70 0.30 0.74 61.66 0.04 60.8 132 5.0 5.0
KLB e S 68.70 0.20 0.72 68.57 0.13 60.8 132 5.0 5.0
BAL e P 66.10 0.10 0.89 66.05 0.05 87.8 320 3.5 3.5
BAL e S 76.00 0.20 0.70 76.01 -0.01 87.8 320 3.5 3.5
MUN e P 72.20 0.30 0.69 73.06 -0.86 132.7 230 -30.8 30.8
MUN e S 89.00 0.30 0.62 88.38 0.62 132.7 230 2.3 2.3
NWAO e S 102.50 0.30 0.60 102.38 0.12 189.3 181 -40.3 40.3
NWAO e SG 103.90 0.20 0.65 104.02 -0.12 189.3 181 1.6 1.6
MRWA e S2 120.00 0.10 0.41 119.66 0.34 254.3 330 -23.9 23.9
9 times used, S = 0.390
Deferred Data
MRWA e S 120.00 0.10 0.73 116.08 3.92 254.3 330 -40.3 40.3
Velocity Ratios
KLB BAL MUN
KLB 1.70 0.00 1.93
0.07 0.00 0.17
BAL 0.00 1.69 0.00
0.00 0.03 0.00
MUN 1.93 0.00 1.82
0.17 0.00 0.04
Date 1995-10-14
Origin Time 1051 3.35 +- 2.56
Zone 50
Easting 479.62 +- 19.49 Longitude 116.791
Northing 6811.88 +- 11.11 Latitude -28.820
Depth 5.00 +- 29.57 N
Arrival times = 8 S.D. = 0.361 Seismographs = 5
Nearest recorder = 89.1 km Gap = 156.9 deg Accuracy = D
Effects Code = Imax = 0 Fault =
89 km NE ( 60 deg) of MRWA
WESTERN AUSTRALIA
359 km N ( 15 deg) of PERTH
133 km SW (231 deg) of Mt Magnet
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MRWA i-P 18.00 0.10 1.27 17.91 0.09 89.1 240 3.4 3.4
BAL e P 33.00 0.50 0.60 33.42 -0.42 198.1 182 -42.2 42.2
BAL e P2 33.00 0.50 0.36 33.88 -0.88 198.1 182 -30.8 30.8
BAL e S 56.00 0.50 0.54 55.89 0.11 198.1 182 -40.3 40.3
MEEK e P 45.70 0.20 0.70 45.92 -0.22 301.2 36 -42.2 42.2
MEEK e S 78.10 0.30 0.58 77.64 0.46 301.2 36 -40.3 40.3
KLB e SG 92.50 0.50 0.52 92.02 0.48 320.9 163 0.9 0.9
MUN e P 52.00 2.00 0.43 52.32 -0.32 354.4 188 -42.2 42.2
8 times used, S = 0.361
Deferred Data
MRWA e S 34.00 0.30 0.64 28.00 6.00 89.1 240 3.4 3.4
KLB e S 92.50 0.50 0.52 81.75 10.75 320.9 163 -40.3 40.3
MUN e SG 100.00 0.50 0.51 101.26 -1.26 354.4 188 0.8 0.8
MUN e S2 100.00 0.50 0.29 96.57 3.43 354.4 188 -23.9 23.9
Velocity Ratios
BAL MEEK
BAL 1.78 1.74
0.05 0.17
MEEK 1.74 1.77
0.17 0.02
Date 1995-10-15
Origin Time 0253 27.52 +- 0.71
Zone 50
Easting 500.78 +- 3.70 Longitude 117.008
Northing 6497.00 +- 4.10 Latitude -31.662
Depth 5.00 +- 16.37 N
Arrival times = 8 S.D. = 0.211 Seismographs = 4
Nearest recorder = 71.7 km Gap = 101.3 deg Accuracy = C
Effects Code = Imax = 0 Fault =
7 km NW (320 deg) of ME3
WESTERN AUSTRALIA
114 km E ( 74 deg) of PERTH
4 km S (183 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
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 39.20 0.20 0.79 39.25 -0.05 71.7 83 4.2 4.2
KLB e S 47.50 0.30 0.66 47.39 0.11 71.7 83 4.2 4.2
MUN e P 41.00 0.20 0.78 41.16 -0.16 83.4 244 3.6 3.6
MUN e S 50.80 0.30 0.65 50.61 0.19 83.4 244 3.6 3.6
BAL e P 47.50 0.20 0.76 47.18 0.32 120.4 346 -30.8 30.8
BAL e S 60.50 0.30 0.63 60.83 -0.33 120.4 346 2.5 2.5
NWAO e P 50.00 0.30 0.69 50.16 -0.16 141.8 171 -30.8 30.8
NWAO e S 66.70 0.30 0.62 66.71 -0.01 141.8 171 2.1 2.1
8 times used, S = 0.211
Velocity Ratios
KLB MUN BAL NWAO
KLB 1.71 0.00 1.57 1.78
0.06 0.00 0.16 0.14
MUN 0.00 1.73 1.49 1.77
0.00 0.05 0.20 0.17
BAL 1.57 1.49 1.65 0.00
0.16 0.20 0.03 0.00
NWAO 1.78 1.77 0.00 1.74
0.14 0.17 0.00 0.04
Date 1995-10-15
Origin Time 0257 24.29 +- 0.89
Zone 50
Easting 503.41 +- 7.51 Longitude 117.036
Northing 6497.97 +- 6.17 Latitude -31.653
Depth 0.72 +- 22.91
Arrival times = 8 S.D. = 0.218 Seismographs = 5
Nearest recorder = 69.0 km Gap = 99.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
7 km N (342 deg) of ME3
WESTERN AUSTRALIA
117 km E ( 74 deg) of PERTH
4 km SE (137 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.1
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 35.40 0.20 0.79 35.54 -0.14 69.0 84 0.8 0.8
MUN i-P 38.30 0.20 1.11 38.35 -0.05 86.2 244 0.6 0.6
MUN e S 48.00 0.50 0.58 48.10 -0.10 86.2 244 0.6 0.6
BAL e P 44.00 0.50 0.63 43.89 0.11 120.2 344 0.5 0.5
BAL e S 57.50 0.50 0.57 57.48 0.02 120.2 344 0.5 0.5
NWAO e P 47.10 0.20 0.74 47.36 -0.26 142.3 172 -30.8 30.8
NWAO e S 64.00 0.20 0.67 63.61 0.39 142.3 172 0.4 0.4
MRWA e P 66.00 0.50 0.58 65.67 0.33 287.8 339 -42.2 42.2
8 times used, S = 0.218
Deferred Data
KLB e S 44.50 1.00 0.52 43.35 1.15 69.0 84 0.8 0.8
MRWA e S 97.50 0.50 0.52 96.47 1.03 287.8 339 -40.3 40.3
MRWA i S2 101.50 0.30 0.46 101.16 0.34 287.8 339 -23.9 23.9
Velocity Ratios
MUN BAL NWAO
MUN 1.69 0.00 1.82
0.06 0.00 0.17
BAL 0.00 1.68 0.00
0.00 0.07 0.00
NWAO 1.82 0.00 1.74
0.17 0.00 0.02
Date 1995-10-15
Origin Time 1152 6.59 +- 1.12
Zone 50
Easting 501.42 +- 6.64 Longitude 117.015
Northing 6497.35 +- 9.01 Latitude -31.659
Depth 7.88 +- 20.57
Arrival times = 7 S.D. = 0.095 Seismographs = 4
Nearest recorder = 71.1 km Gap = 101.0 deg Accuracy = A
Effects Code = Imax = 0 Fault =
33 km SE (152 deg) of GOO
WESTERN AUSTRALIA
115 km E ( 74 deg) of PERTH
3 km S (172 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 18.20 0.20 0.79 18.26 -0.06 71.1 84 6.6 6.6
KLB e S 26.50 1.00 0.52 26.35 0.15 71.1 84 6.6 6.6
MUN e P 20.30 0.20 0.78 20.38 -0.08 84.2 244 5.5 5.5
MUN i S 30.00 0.30 0.92 29.94 0.06 84.2 244 5.5 5.5
BAL i+P 26.00 0.20 1.08 25.98 0.02 120.3 345 -30.8 30.8
NWAO e P 28.90 0.10 0.86 29.02 -0.12 142.0 171 -30.8 30.8
NWAO e S 46.00 0.30 0.62 45.85 0.15 142.0 171 -23.9 23.9
7 times used, S = 0.095
Deferred Data
BAL e S 42.00 2.00 0.43 39.89 2.11 120.3 345 3.9 3.9
MRWA i S2 83.00 0.20 0.50 82.64 0.36 287.7 339 -23.9 23.9
Velocity Ratios
KLB MUN NWAO
KLB 1.71 0.00 1.82
0.12 0.00 0.18
MUN 0.00 1.71 1.86
0.00 0.05 0.14
NWAO 1.82 1.86 1.77
0.18 0.14 0.02
Date 1995-10-16
Origin Time 1124 32.71 +- 1.28
Zone 50
Easting 498.71 +- 6.99 Longitude 116.986
Northing 6498.90 +- 6.58 Latitude -31.645
Depth 5.00 +- 47.34 N
Arrival times = 8 S.D. = 0.147 Seismographs = 4
Nearest recorder = 73.6 km Gap = 103.9 deg Accuracy = B
Effects Code = Imax = 0 Fault =
10 km NW (318 deg) of ME3
WESTERN AUSTRALIA
113 km E ( 73 deg) of PERTH
3 km SW (233 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 1.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 45.00 0.50 0.66 44.75 0.25 73.6 85 4.1 4.1
KLB e S 53.00 0.30 0.65 53.10 -0.10 73.6 85 4.1 4.1
MUN e P 46.30 0.50 0.65 46.18 0.12 82.4 243 3.6 3.6
MUN e S 55.50 0.50 0.58 55.52 -0.02 82.4 243 3.6 3.6
BAL e P 52.00 0.50 0.63 52.00 -0.00 118.1 346 2.6 2.6
BAL e S 65.30 0.30 0.63 65.38 -0.08 118.1 346 2.6 2.6
NWAO e P 55.40 1.00 0.54 55.66 -0.26 143.9 170 -30.8 30.8
NWAO e S 72.50 0.30 0.62 72.50 -0.00 143.9 170 2.1 2.1
8 times used, S = 0.147
Velocity Ratios
KLB MUN BAL NWAO
KLB 1.65 0.00 0.00 0.00
0.10 0.00 0.00 0.00
MUN 0.00 1.68 0.00 0.00
0.00 0.10 0.00 0.00
BAL 0.00 0.00 1.69 0.00
0.00 0.00 0.06 0.00
NWAO 0.00 0.00 0.00 1.75
0.00 0.00 0.00 0.09
Date 1995-10-16
Origin Time 1239 19.41 +- 2.28
Zone 50
Easting 545.53 +- 17.73 Longitude 117.478
Northing 6546.08 +- 9.83 Latitude -31.218
Depth 5.00 +- 26.90 N
Arrival times = 7 S.D. = 0.442 Seismographs = 5
Nearest recorder = 49.3 km Gap = 180.3 deg Accuracy = C
Effects Code = Imax = 0 Fault =
8 km W (283 deg) of WYAL
WESTERN AUSTRALIA
175 km NE ( 63 deg) of PERTH
43 km E ( 93 deg) of Dowerin
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 33.00 0.50 0.61 33.10 -0.10 49.3 147 6.1 6.1
BAL e P 35.60 0.30 0.71 35.77 -0.17 100.1 312 3.0 3.0
BAL e S 47.40 0.30 0.64 47.11 0.29 100.1 312 3.0 3.0
MUN e P 42.00 1.00 0.54 42.77 -0.77 147.0 234 -30.8 30.8
MUN e S 60.00 0.50 0.56 60.04 -0.04 147.0 234 2.0 2.0
NWAO e S 71.00 0.30 0.60 70.40 0.60 190.7 186 -40.3 40.3
MRWA e S2 90.00 1.00 0.26 89.70 0.30 263.6 326 -23.9 23.9
7 times used, S = 0.442
Velocity Ratios
BAL MUN
BAL 1.73 0.00
0.05 0.00
MUN 0.00 1.80
0.00 0.11
Date 1995-10-16
Origin Time 1259 25.85 +- 0.75
Zone 50
Easting 499.93 +- 3.65 Longitude 116.999
Northing 6497.38 +- 3.93 Latitude -31.659
Depth 5.00 +- 16.37 N
Arrival times = 8 S.D. = 0.254 Seismographs = 4
Nearest recorder = 72.5 km Gap = 102.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
8 km NW (317 deg) of ME3
WESTERN AUSTRALIA
114 km E ( 74 deg) of PERTH
3 km S (198 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 1.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 37.70 0.20 0.79 37.72 -0.02 72.5 84 4.2 4.2
KLB e S 45.80 0.20 0.71 45.94 -0.14 72.5 84 4.2 4.2
MUN e P 39.50 0.30 0.72 39.39 0.11 82.8 244 3.6 3.6
MUN e S 48.50 0.30 0.65 48.78 -0.28 82.8 244 3.6 3.6
BAL e P 45.90 0.20 0.76 45.43 0.47 119.9 346 -30.8 30.8
BAL e S 58.70 0.20 0.68 59.00 -0.30 119.9 346 2.5 2.5
NWAO e P 48.50 0.20 0.74 48.56 -0.06 142.3 171 -30.8 30.8
NWAO e S 65.30 0.30 0.62 65.18 0.12 142.3 171 2.1 2.1
8 times used, S = 0.254
Velocity Ratios
KLB MUN BAL NWAO
KLB 1.68 0.00 1.57 1.81
0.05 0.00 0.13 0.12
MUN 0.00 1.66 0.00 1.87
0.00 0.06 0.00 0.18
BAL 1.57 0.00 1.64 0.00
0.13 0.00 0.03 0.00
NWAO 1.81 1.87 0.00 1.74
0.12 0.18 0.00 0.03
Date 1995-10-16
Origin Time 1457 35.96 +- 0.57
Zone 50
Easting 498.78 +- 3.24 Longitude 116.987
Northing 6497.85 +- 3.71 Latitude -31.654
Depth 5.00 +- 21.54 N
Arrival times = 8 S.D. = 0.170 Seismographs = 4
Nearest recorder = 73.6 km Gap = 103.3 deg Accuracy = D
Effects Code = Imax = 0 Fault =
9 km NW (314 deg) of ME3
WESTERN AUSTRALIA
113 km E ( 73 deg) of PERTH
3 km SW (219 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.1
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 48.00 0.10 0.91 48.00 -0.00 73.6 84 4.1 4.1
KLB e S 56.50 0.20 0.71 56.35 0.15 73.6 84 4.1 4.1
MUN i-P 49.50 0.10 1.28 49.36 0.14 82.0 243 3.7 3.7
MUN e S 58.50 0.50 0.59 58.66 -0.16 82.0 243 3.7 3.7
BAL e P 55.40 0.20 0.76 55.42 -0.02 119.2 347 2.5 2.5
BAL e S 68.80 0.20 0.68 68.91 -0.11 119.2 347 2.5 2.5
NWAO e P 58.40 0.20 0.74 58.76 -0.36 142.9 170 -30.8 30.8
NWAO e S 75.50 0.20 0.67 75.47 0.03 142.9 170 2.1 2.1
8 times used, S = 0.170
Velocity Ratios
KLB MUN BAL NWAO
KLB 1.71 0.00 1.66 1.83
0.03 0.00 0.13 0.09
MUN 0.00 1.66 0.00 1.91
0.00 0.05 0.00 0.15
BAL 1.66 0.00 1.69 0.00
0.13 0.00 0.03 0.00
NWAO 1.83 1.91 0.00 1.76
0.09 0.15 0.00 0.02
Date 1995-10-16
Origin Time 1500 9.08 +- 0.64
Zone 50
Easting 499.31 +- 3.40 Longitude 116.993
Northing 6498.12 +- 3.75 Latitude -31.652
Depth 5.00 +- 21.57 N
Arrival times = 8 S.D. = 0.222 Seismographs = 4
Nearest recorder = 73.1 km Gap = 103.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
9 km NW (318 deg) of ME3
WESTERN AUSTRALIA
113 km E ( 73 deg) of PERTH
3 km SW (214 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 21.00 0.20 0.79 21.03 -0.03 73.1 84 4.1 4.1
KLB e S 29.30 0.20 0.71 29.32 -0.02 73.1 84 4.1 4.1
MUN i-P 22.80 0.20 1.12 22.58 0.22 82.6 243 3.6 3.6
MUN e S 31.40 0.50 0.58 31.94 -0.54 82.6 243 3.6 3.6
BAL e P 28.50 0.20 0.76 28.52 -0.02 119.0 346 2.5 2.5
BAL e S 42.00 0.20 0.68 41.99 0.01 119.0 346 2.5 2.5
NWAO e P 31.70 0.20 0.74 31.90 -0.20 143.1 170 -30.8 30.8
NWAO e S 48.80 0.30 0.62 48.63 0.17 143.1 170 2.1 2.1
8 times used, S = 0.222
Velocity Ratios
KLB MUN BAL NWAO
KLB 1.70 0.00 1.69 1.82
0.05 0.00 0.15 0.12
MUN 0.00 1.63 0.00 1.96
0.00 0.06 0.00 0.19
BAL 1.69 0.00 1.70 0.00
0.15 0.00 0.03 0.00
NWAO 1.82 1.96 0.00 1.76
0.12 0.19 0.00 0.03
Date 1995-10-19
Origin Time 0355 47.59 +- 4.68
Zone 51
Easting 482.61 +- 18.80 Longitude 122.835
Northing 7949.38 +- 23.18 Latitude -18.546
Depth 5.00 +- 52.47 N
Arrival times = 8 S.D. = 0.493 Seismographs = 6
Nearest recorder = 300.6 km Gap = 192.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
300 km W (260 deg) of FITZ
WESTERN AUSTRALIA
90 km SE (135 deg) of BROOME
Record Dur Sync Unc Resp Seismometer Recorder Pol
WARB -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
FITX e P 89.40 0.50 0.58 90.03 -0.63 300.6 81 -42.2 42.2
FITX e S 121.90 0.50 0.52 121.66 0.24 300.6 81 -40.3 40.3
MBL e P 105.50 0.30 0.62 105.37 0.13 427.3 226 -42.2 42.2
WARB e P 166.70 0.30 0.57 166.45 0.25 932.2 155 -42.2 42.2
MEEK e P 174.40 0.30 0.57 174.16 0.24 995.9 204 -42.2 42.2
MEEK e S 268.30 0.50 0.46 268.13 0.17 995.9 204 -40.3 40.3
KAKA e P 201.70 0.50 0.51 201.18 0.52 1219.7 59 -42.2 42.2
MUN e P 250.00 1.00 0.44 251.05 -1.05 1632.0 202 -42.2 42.2
8 times used, S = 0.493
Deferred Data
MBL e S 146.00 1.00 0.44 148.37 -2.37 427.3 226 -40.3 40.3
WARB e S 256.50 0.50 0.47 254.71 1.79 932.2 155 -40.3 40.3
KAKA e S 316.90 0.50 0.46 315.18 1.72 1219.7 59 -40.3 40.3
MRWA e P 218.20 0.50 0.51 219.77 -1.57 1373.3 209 -42.2 42.2
MRWA e S 344.20 0.30 0.51 347.54 -3.34 1373.3 209 -40.3 40.3
BAL e P 229.50 0.50 0.51 231.95 -2.45 1474.0 203 -42.2 42.2
BAL e S 366.00 1.00 0.40 368.75 -2.75 1474.0 203 -40.3 40.3
KLB e P 237.00 1.00 0.44 239.15 -2.15 1533.6 198 -42.2 42.2
KLB e S 379.00 1.00 0.40 381.29 -2.29 1533.6 198 -40.3 40.3
MUN e S 398.00 0.50 0.46 402.01 -4.01 1632.0 202 -40.3 40.3
Velocity Ratios
FITX MEEK
FITX 1.78 1.72
0.03 0.03
MEEK 1.72 1.74
0.03 0.01
Date 1995-10-19
Origin Time 1944 3.03 +- 9.08
Zone 50
Easting 881.49 +- 16.15 Longitude 120.732
Northing 7405.35 +- 13.08 Latitude -23.417
Depth 5.00 +- 76.95 N
Arrival times = 8 S.D. = 0.660 Seismographs = 6
Nearest recorder = 266.8 km Gap = 78.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
111 km E ( 67 deg) of MY38
WESTERN AUSTRALIA
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MBL e P 40.50 0.30 0.65 41.41 -0.91 266.8 339 -42.2 42.2
MEEK e P 59.40 0.30 0.62 59.50 -0.10 416.1 210 -42.2 42.2
MEEK e S 100.90 0.30 0.56 101.52 -0.62 416.1 210 -40.3 40.3
GIRL e P 91.50 0.30 0.59 90.34 1.16 671.6 276 -42.2 42.2
GIRL e S 155.30 0.30 0.53 155.22 0.08 671.6 276 -40.3 40.3
WARB e P 91.20 0.30 0.59 90.82 0.38 675.3 118 -42.2 42.2
FITX e P 103.90 0.50 0.53 103.77 0.13 782.8 41 -42.2 42.2
KLB e S 214.30 0.30 0.51 214.39 -0.09 952.4 197 -40.3 40.3
8 times used, S = 0.660
Deferred Data
WARB e S 157.00 0.30 0.53 156.06 0.94 675.3 118 -40.3 40.3
FITX e S 180.20 0.50 0.47 178.61 1.59 782.8 41 -40.3 40.3
MRWA e P 103.10 0.10 0.73 105.62 -2.52 797.8 215 -42.2 42.2
MRWA e S 178.80 0.20 0.57 181.83 -3.03 797.8 215 -40.3 40.3
WOOL e P 110.60 0.30 0.58 112.54 -1.94 855.0 173 -42.2 42.2
WOOL e S 191.50 0.50 0.47 193.87 -2.37 855.0 173 -40.3 40.3
BAL e P 116.00 0.20 0.62 116.91 -0.91 891.1 205 -42.2 42.2
BAL e S 200.00 0.50 0.47 201.48 -1.48 891.1 205 -40.3 40.3
KLB e P 123.30 0.30 0.57 124.32 -1.02 952.4 197 -42.2 42.2
MUN e P 135.00 0.10 0.70 135.90 -0.90 1048.2 204 -42.2 42.2
MUN e S 232.50 0.20 0.55 234.54 -2.04 1048.2 204 -40.3 40.3
NWAO e P 142.00 0.20 0.61 143.19 -1.19 1108.5 197 -42.2 42.2
NWAO e S 246.90 0.30 0.51 247.24 -0.34 1108.5 197 -40.3 40.3
Velocity Ratios
MEEK GIRL
MEEK 1.74 1.69
0.01 0.05
GIRL 1.69 1.72
0.05 0.01
Date 1995-10-20
Origin Time 0739 29.09 +- 16.55
Zone 50
Easting 440.60 +- 70.30 Longitude 116.411
Northing 7237.41 +- 101.94 Latitude -24.977
Depth 5.00 +- 234.09 N
Arrival times = 7 S.D. = 0.621 Seismographs = 5
Nearest recorder = 287.3 km Gap = 171.3 deg Accuracy = C
Effects Code = Imax = 0 Fault =
162 km E ( 90 deg) of LP02
WESTERN AUSTRALIA
775 km N ( 4 deg) of PERTH
277 km E ( 93 deg) of CARNARVON
52 km W (289 deg) of Landor
Record Dur Sync Unc Resp Seismometer Recorder Pol
MRWA -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MEEK e P 69.10 1.00 0.51 69.98 -0.88 287.3 130 -42.2 42.2
MEEK e S 101.30 2.00 0.40 100.46 0.84 287.3 130 -40.3 40.3
GIRL e P2 80.70 5.00 0.22 79.58 1.12 340.7 319 -30.8 30.8
MRWA e P 92.00 0.50 0.55 92.23 -0.23 471.5 184 -42.2 42.2
BAL e P 111.00 0.50 0.54 110.69 0.31 624.3 177 -42.2 42.2
BAL e S 171.00 1.00 0.42 171.35 -0.35 624.3 177 -40.3 40.3
KLB e S 197.00 0.50 0.48 196.68 0.32 744.6 170 -40.3 40.3
7 times used, S = 0.621
Deferred Data
MRWA e S 137.00 1.00 0.43 139.20 -2.20 471.5 184 -40.3 40.3
MRWA e SG 157.00 1.00 0.43 159.35 -2.35 471.5 184 0.6 0.6
MBL e S 152.20 0.10 0.68 155.51 -3.31 549.1 40 -40.3 40.3
BAL e SG 197.00 5.00 0.31 201.54 -4.54 624.3 177 0.5 0.5
KLB e P 90.00 0.50 0.53 125.24 -35.24 744.6 170 -42.2 42.2
KLB e SG 230.00 1.00 0.42 234.77 -4.77 744.6 170 0.4 0.4
MUN e S 204.00 1.00 0.41 203.26 0.74 775.9 181 -40.3 40.3
MUN e SG 239.50 2.00 0.36 243.43 -3.93 775.9 181 0.4 0.4
Velocity Ratios
MEEK BAL
MEEK 1.80 1.66
0.10 0.14
BAL 1.66 1.73
0.14 0.02
Date 1995-10-20
Origin Time 1636 48.91 +- 3.52
Zone 50
Easting 877.11 +- 12.75 Longitude 120.692
Northing 7395.19 +- 12.51 Latitude -23.510
Depth 5.00 +- 27.42 N
Arrival times = 13 S.D. = 0.509 Seismographs = 8
Nearest recorder = 275.1 km Gap = 136.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
103 km NE ( 66 deg) of MY37
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
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MBL e P2 89.00 0.30 0.39 90.22 -1.22 275.1 341 -30.8 30.8
MEEK e P 104.40 0.50 0.56 104.06 0.34 405.2 210 -42.2 42.2
GIRL i+P 136.20 0.30 0.85 135.86 0.34 668.6 277 -42.2 42.2
WARB e P 136.50 0.50 0.53 136.56 -0.06 674.1 117 -42.2 42.2
WARB e S 202.00 0.50 0.48 201.69 0.31 674.1 117 -40.3 40.3
MRWA e P 149.70 0.30 0.58 150.20 -0.50 787.0 215 -42.2 42.2
BAL e P 161.00 1.00 0.45 161.45 -0.45 880.1 205 -42.2 42.2
BAL e S 245.50 1.00 0.41 245.03 0.47 880.1 205 -40.3 40.3
BAL e SG 292.00 1.00 0.41 292.04 -0.04 880.1 205 0.3 0.3
KLB e S 258.00 2.00 0.35 257.94 0.06 941.4 197 -40.3 40.3
KLB e SG 308.00 2.00 0.35 308.98 -0.98 941.4 197 0.3 0.3
MUN e P 181.00 2.00 0.39 180.44 0.56 1037.1 204 -42.2 42.2
MUN e S 278.00 1.00 0.40 278.09 -0.09 1037.1 204 -40.3 40.3
13 times used, S = 0.509
Deferred Data
MBL e P 85.50 0.50 0.58 88.29 -2.79 275.1 341 -42.2 42.2
MBL e S 119.00 0.30 0.58 117.65 1.35 275.1 341 -40.3 40.3
MEEK e PG 111.50 1.00 0.49 115.02 -3.52 405.2 210 0.8 0.8
MEEK e S 147.80 0.30 0.56 145.10 2.70 405.2 210 -40.3 40.3
GIRL e S 206.70 0.50 0.48 200.48 6.22 668.6 277 -40.3 40.3
WARB e SG 234.30 1.00 0.42 235.12 -0.82 674.1 117 0.5 0.5
MRWA e S 223.70 0.50 0.47 225.44 -1.74 787.0 215 -40.3 40.3
KLB e P 171.00 2.00 0.39 168.87 2.13 941.4 197 -42.2 42.2
MUN e SG 336.50 1.00 0.40 335.42 1.08 1037.1 204 0.3 0.3
Velocity Ratios
WARB BAL MUN
WARB 1.75 1.78 1.71
0.02 0.18 0.14
BAL 1.78 1.75 0.00
0.18 0.02 0.00
MUN 1.71 0.00 1.73
0.14 0.00 0.03
Date 1995-10-22
Origin Time 1414 7.49 +- 1.63
Zone 50
Easting 570.77 +- 8.83 Longitude 117.762
Northing 6296.62 +- 10.54 Latitude -33.467
Depth 1.78 +- 11.99
Arrival times = 10 S.D. = 0.338 Seismographs = 4
Nearest recorder = 77.6 km Gap = 318.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
57 km NW (336 deg) of GNOT
WESTERN AUSTRALIA
246 km SE (134 deg) of PERTH
170 km N (357 deg) of ALBANY
17 km S (170 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 2.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NWAO i P 20.10 0.05 1.48 20.15 -0.05 77.6 320 1.5 1.5
NWAO i S 29.00 0.20 1.01 28.93 0.07 77.6 320 1.5 1.5
KLB e PG 41.90 0.30 0.66 41.41 0.49 207.9 359 0.6 0.6
KLB e S2 63.70 0.30 0.33 64.09 -0.39 207.9 359 -23.9 23.9
KLB e SG 64.30 0.30 0.60 64.93 -0.63 207.9 359 0.6 0.6
MUN e P 40.40 0.20 0.72 40.57 -0.17 220.1 318 -42.2 42.2
MUN e S2 66.80 0.20 0.36 67.15 -0.35 220.1 318 -23.9 23.9
MUN e SG 68.20 0.20 0.64 68.29 -0.09 220.1 318 0.5 0.5
BAL e S 89.40 1.00 0.45 88.87 0.53 332.4 342 -40.3 40.3
BAL e SG 100.00 1.00 0.45 99.30 0.70 332.4 342 0.4 0.4
10 times used, S = 0.338
Deferred Data
MRWA e S 125.60 0.50 0.50 124.17 1.44 500.0 339 -40.3 40.3
MRWA e SG 143.50 0.50 0.50 145.61 -2.11 500.0 339 0.2 0.2
Velocity Ratios
NWAO
NWAO 1.71
0.02
Date 1995-10-22
Origin Time 1650 2.58 +- 3.67
Zone 50
Easting 168.37 +- 19.90 Longitude 113.650
Northing 6977.23 +- 9.45 Latitude -27.288
Depth 5.00 +- 34.17 N
Arrival times = 11 S.D. = 0.771 Seismographs = 5
Nearest recorder = 314.3 km Gap = 224.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
69 km NW (313 deg) of KBAR
WESTERN AUSTRALIA
559 km NW (337 deg) of PERTH
190 km NW (330 deg) of GERALDTON
71 km NW (310 deg) of Kalbarri
Record Dur Sync Unc Resp Seismometer Recorder Pol
MRWA -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MRWA e P 46.00 0.50 0.58 46.70 -0.70 314.3 133 -42.2 42.2
MRWA e S 79.00 0.50 0.52 79.58 -0.58 314.3 133 -40.3 40.3
MRWA e S2 86.70 0.50 0.29 85.68 1.02 314.3 133 -23.9 23.9
BAL e S 115.00 2.00 0.38 113.08 1.92 473.4 141 -40.3 40.3
MEEK e P 69.10 0.30 0.61 68.94 0.16 498.0 82 -42.2 42.2
MEEK e P2 74.60 0.50 0.33 75.13 -0.53 498.0 82 -30.8 30.8
MEEK e S 118.10 0.50 0.50 118.30 -0.20 498.0 82 -40.3 40.3
GIRL e P 71.00 0.30 0.61 71.35 -0.35 518.3 6 -42.2 42.2
GIRL e P2 77.90 0.50 0.33 77.94 -0.04 518.3 6 -30.8 30.8
GIRL e S 123.30 0.50 0.49 122.49 0.81 518.3 6 -40.3 40.3
KLB e S2 164.00 2.00 0.20 163.28 0.72 621.6 141 -23.9 23.9
11 times used, S = 0.771
Velocity Ratios
MRWA MEEK GIRL
MRWA 1.76 1.69 1.77
0.03 0.11 0.10
MEEK 1.69 1.74 0.00
0.11 0.02 0.00
GIRL 1.77 0.00 1.76
0.10 0.00 0.02
Date 1995-10-24
Origin Time 1053 15.92 +- 126.40
Zone 50
Easting 500.27 +- 900.11 Longitude 117.003
Northing 6412.47 +-3130.84 Latitude -32.425
Depth 5.00 +-42184.39 N
Arrival times = 5 S.D. = 1.572 Seismographs = 2
Nearest recorder = 89.8 km Gap = 265.5 deg Accuracy = D
Effects Code = Imax = 0 Fault =
9 km N ( 5 deg) of PING
WESTERN AUSTRALIA
297 km N (344 deg) of ALBANY
121 km SE (116 deg) of PERTH
9 km S (178 deg) of Brookton
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MUN S-P 11.30 0.10 1.27 10.17 1.13 89.8 303 0.0 0.0
MUN i P 29.60 0.10 1.27 30.58 -0.98 89.8 303 3.3 3.3
MUN i S 40.90 0.10 1.14 40.75 0.15 89.8 303 3.3 3.3
KLB i P 37.20 0.10 1.24 34.99 2.21 116.8 37 2.6 2.6
KLB i S 46.60 0.10 1.12 48.21 -1.61 116.8 37 2.6 2.6
5 times used, S = 1.572
Deferred Data
BAL e S 63.00 0.10 0.75 69.59 -6.59 203.5 352 -40.3 40.3
Velocity Ratios
MUN KLB
MUN 1.83 0.75
0.02 0.05
KLB 0.75 1.44
0.05 0.01
Date 1995-10-27
Origin Time 0420 41.01 +- 3.61
Zone 52
Easting 514.01 +- 87.05 Longitude 129.153
Northing 6168.76 +- 87.41 Latitude -34.623
Depth 5.00 +- 139.31 N
Arrival times = 17 S.D. = 0.986 Seismographs = 9
Nearest recorder = 436.1 km Gap = 290.2 deg Accuracy = D
Effects Code = Imax = 0 Fault =
436 km S (166 deg) of FORT
865 km W (270 deg) of ADELAIDE
Place names undefined for this area
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
FORT i-P 100.50 0.10 1.10 99.85 0.65 436.1 346 -42.2 42.2
FORT i S 144.10 0.20 0.86 143.64 0.46 436.1 346 -40.3 40.3
WOOL i-P 145.50 0.50 0.75 144.33 1.17 803.8 297 -42.2 42.2
WARB e P 164.20 0.30 0.57 163.94 0.26 965.9 344 -42.2 42.2
WARB e S 255.40 0.50 0.46 255.22 0.18 965.9 344 -40.3 40.3
KLB e P 182.30 0.30 0.56 182.47 -0.17 1119.2 284 -42.2 42.2
KLB e S 288.00 1.00 0.40 287.48 0.52 1119.2 284 -40.3 40.3
NWAO e P 184.50 0.30 0.56 183.09 1.41 1124.4 276 -42.2 42.2
NWAO e S 288.70 1.00 0.40 288.55 0.15 1124.4 276 -40.3 40.3
MUN e P 198.20 0.30 0.56 197.87 0.33 1246.7 280 -42.2 42.2
MUN e S 314.00 0.50 0.46 314.30 -0.30 1246.7 280 -40.3 40.3
BAL e P 198.20 0.30 0.56 198.96 -0.76 1255.6 287 -42.2 42.2
BAL e S 316.00 0.30 0.51 316.20 -0.20 1255.6 287 -40.3 40.3
MEEK i+P 208.10 0.30 0.80 210.05 -1.95 1347.1 308 -42.2 42.2
MEEK e S 335.60 0.50 0.46 335.49 0.11 1347.1 308 -40.3 40.3
MRWA e P 213.70 0.30 0.56 214.97 -1.27 1388.0 292 -42.2 42.2
MRWA e S 344.80 0.20 0.55 344.06 0.74 1388.0 292 -40.3 40.3
17 times used, S = 0.986
Deferred Data
FORT e S2 158.70 1.00 0.24 154.86 3.84 436.1 346 -23.9 23.9
WOOL e S 223.80 1.00 0.41 221.07 2.73 803.8 297 -40.3 40.3
KLB e S2 319.00 1.00 0.22 327.37 -8.37 1119.2 284 -23.9 23.9
NWAO e P2 194.50 1.00 0.27 201.27 -6.77 1124.4 276 -30.8 30.8
NWAO e S2 322.00 1.00 0.22 328.67 -6.67 1124.4 276 -23.9 23.9
Velocity Ratios
FORT WARB KLB NWAO MUN BAL MEEK MRWA
FORT 1.73 1.75 1.76 1.72 1.74 1.76 1.78 1.77
0.01 0.02 0.02 0.02 0.01 0.01 0.01 0.01
WARB 1.75 1.74 1.80 1.64 1.72 1.78 1.83 1.81
0.02 0.01 0.15 0.13 0.06 0.06 0.05 0.04
KLB 1.76 1.80 1.75 0.00 1.64 1.76 1.84 1.81
0.02 0.15 0.01 0.00 0.16 0.15 0.10 0.07
NWAO 1.72 1.64 0.00 1.73 1.85 1.99 1.99 1.92
0.02 0.13 0.00 0.01 0.20 0.19 0.12 0.08
MUN 1.74 1.72 1.64 1.85 1.74 0.00 0.00 1.99
0.01 0.06 0.16 0.20 0.01 0.00 0.00 0.13
BAL 1.76 1.78 1.76 1.99 0.00 1.75 0.00 1.86
0.01 0.06 0.15 0.19 0.00 0.01 0.00 0.11
MEEK 1.78 1.83 1.84 1.99 0.00 0.00 1.76 0.00
0.01 0.05 0.10 0.12 0.00 0.00 0.01 0.00
MRWA 1.77 1.81 1.81 1.92 1.99 1.86 0.00 1.76
0.01 0.04 0.07 0.08 0.13 0.11 0.00 0.00
Date 1995-10-27
Origin Time 0913 8.32 +- 0.33
Zone 50
Easting 526.80 +- 2.52 Longitude 117.281
Northing 6546.06 +- 2.14 Latitude -31.219
Depth 0.84 +- 5.83
Arrival times = 16 S.D. = 0.322 Seismographs = 6
Nearest recorder = 61.4 km Gap = 118.3 deg Accuracy = A
Effects Code = Imax = 0 Fault =
45 km NE ( 64 deg) of GOO
WESTERN AUSTRALIA
158 km NE ( 60 deg) of PERTH
24 km E ( 95 deg) of Dowerin
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB i-P 18.40 0.10 1.31 18.35 0.05 61.4 132 1.1 1.1
KLB i S 25.20 0.10 1.18 25.30 -0.10 61.4 132 1.1 1.1
BAL i-P 22.60 0.10 1.27 22.56 0.04 87.3 321 0.7 0.7
BAL i S 32.30 0.10 1.15 32.44 -0.14 87.3 321 0.7 0.7
MUN i P 29.80 0.10 1.23 29.87 -0.07 132.1 230 0.5 0.5
MUN e S 45.30 0.30 0.62 44.80 0.50 132.1 230 0.5 0.5
NWAO e P 37.50 0.20 0.73 37.78 -0.28 189.3 181 -42.2 42.2
NWAO e P2 38.50 0.50 0.36 37.97 0.53 189.3 181 -30.8 30.8
NWAO e S 58.90 0.50 0.54 59.75 -0.85 189.3 181 -40.3 40.3
NWAO e S2 60.30 0.30 0.33 60.32 -0.02 189.3 181 -23.9 23.9
NWAO e SG 61.00 0.30 0.60 60.62 0.38 189.3 181 0.3 0.3
MRWA e P2 47.50 0.50 0.35 47.02 0.48 253.9 330 -30.8 30.8
MRWA e S 73.70 0.30 0.59 73.36 0.34 253.9 330 -40.3 40.3
MRWA e S2 76.20 0.20 0.35 76.64 -0.44 253.9 330 -23.9 23.9
WOOL e S 109.30 1.00 0.44 108.27 1.03 419.7 88 -40.3 40.3
WOOL e SG 124.00 1.00 0.44 124.27 -0.27 419.7 88 0.2 0.2
16 times used, S = 0.322
Deferred Data
MRWA e P 43.50 1.00 0.51 45.60 -2.10 253.9 330 -42.2 42.2
WOOL e S2 120.20 1.00 0.24 118.51 1.69 419.7 88 -23.9 23.9
Velocity Ratios
KLB BAL MUN NWAO
KLB 1.67 1.69 1.76 1.76
0.03 0.13 0.07 0.06
BAL 1.69 1.68 1.81 1.79
0.13 0.02 0.11 0.08
MUN 1.76 1.81 1.72 1.77
0.07 0.11 0.02 0.18
NWAO 1.76 1.79 1.77 1.73
0.06 0.08 0.18 0.03
Date 1995-10-27
Origin Time 1932 22.92 +- 224.59
Zone 50
Easting 664.16 +-2254.68 Longitude 118.773
Northing 6262.33 +-1551.82 Latitude -33.766
Depth 5.00 +-1885.55 N
Arrival times = 6 S.D. = 2.056 Seismographs = 4
Nearest recorder = 170.8 km Gap = 268.9 deg Accuracy = D
Effects Code = Imax = 0 Fault =
31 km SE (152 deg) of PIN
WESTERN AUSTRALIA
340 km SE (127 deg) of PERTH
160 km NE ( 31 deg) of ALBANY
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NWAO S-P 19.20 0.10 1.20 20.09 -0.89 170.8 302 0.0 0.0
NWAO i P 49.00 0.10 1.20 49.64 -0.64 170.8 302 -30.8 30.8
NWAO i S 68.20 0.10 1.08 69.72 -1.52 170.8 302 -40.3 40.3
RKG S-P 21.70 0.10 1.19 21.32 0.38 185.3 240 0.0 0.0
MUN e S 105.00 0.10 0.72 99.27 5.73 311.2 308 -40.3 40.3
MRWA e S 153.00 0.10 0.68 153.53 -0.53 568.9 331 -40.3 40.3
6 times used, S = 2.056
Velocity Ratios
NWAO
NWAO 1.74
0.01
Date 1995-10-29
Origin Time 0627 55.71 +- 8.02
Zone 50
Easting 546.41 +- 37.85 Longitude 117.500
Northing 6293.53 +- 39.45 Latitude -33.497
Depth 5.00 +- 26.36 N
Arrival times = 7 S.D. = 0.646 Seismographs = 3
Nearest recorder = 67.9 km Gap = 317.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
47 km E ( 76 deg) of BEAU
WESTERN AUSTRALIA
231 km SE (138 deg) of PERTH
170 km N (348 deg) of ALBANY
21 km N (347 deg) of Katanning
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NWAO e P 66.20 0.10 0.91 66.82 -0.62 67.9 338 4.4 4.4
NWAO e S 74.50 0.30 0.66 74.52 -0.02 67.9 338 4.4 4.4
MUN e P 87.00 1.00 0.52 86.89 0.11 207.3 324 -42.2 42.2
MUN e S 111.50 1.00 0.47 110.18 1.32 207.3 324 -40.3 40.3
MUN e S2 111.50 1.00 0.26 111.78 -0.28 207.3 324 -23.9 23.9
KLB e P 88.00 0.50 0.60 87.54 0.46 212.6 6 -42.2 42.2
KLB e S 111.50 0.50 0.54 111.30 0.20 212.6 6 -40.3 40.3
7 times used, S = 0.646
Velocity Ratios
NWAO MUN KLB
NWAO 1.79 1.78 1.70
0.05 0.17 0.09
MUN 1.78 1.78 0.00
0.17 0.09 0.00
KLB 1.70 0.00 1.73
0.09 0.00 0.04
Date 1995-10-29
Origin Time 0655 39.68 +- 7.91
Zone 50
Easting 147.22 +- 33.84 Longitude 113.531
Northing 7334.43 +- 28.05 Latitude -24.063
Depth 5.00 +- 95.31 N
Arrival times = 10 S.D. = 0.758 Seismographs = 7
Nearest recorder = 173.1 km Gap = 220.6 deg Accuracy = C
Effects Code = Imax = 0 Fault =
144 km SW (225 deg) of LP03
WESTERN AUSTRALIA
903 km N (345 deg) of PERTH
92 km N (351 deg) of CARNARVON
Record Dur Sync Unc Resp Seismometer Recorder Pol
MRWA -0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
GIRL e P 66.40 0.50 0.61 66.68 -0.28 173.1 24 -30.8 30.8
MEEK e P 117.80 0.30 0.60 116.64 1.16 585.7 120 -42.2 42.2
MEEK e S 173.90 0.30 0.54 173.86 0.04 585.7 120 -40.3 40.3
MRWA w P 121.00 2.00 0.42 120.98 0.02 621.8 157 -42.2 42.2
MRWA e S 181.00 0.50 0.49 181.41 -0.41 621.8 157 -40.3 40.3
BAL e S 218.00 1.00 0.41 216.89 1.11 790.3 157 -40.3 40.3
MUN e S 243.50 0.50 0.47 243.34 0.16 915.9 163 -40.3 40.3
NWAO e S 269.50 0.50 0.46 270.91 -1.41 1046.9 160 -40.3 40.3
WARB e P 208.30 1.00 0.44 208.55 -0.25 1345.8 102 -42.2 42.2
WARB e S 333.40 0.30 0.51 333.87 -0.47 1345.8 102 -40.3 40.3
10 times used, S = 0.758
Deferred Data
WOOL e S 288.50 0.50 0.46 285.86 2.64 1117.9 135 -40.3 40.3
Velocity Ratios
MEEK MRWA WARB
MEEK 1.72 0.00 1.76
0.01 0.00 0.03
MRWA 0.00 1.74 1.75
0.00 0.05 0.07
WARB 1.76 1.75 1.74
0.03 0.07 0.01