Data Report
Bulletin / 1994-05
Contributed by CUPWA
Date 1994-05-02
Origin Time 1230 19.20 +- 8.32
Zone 49
Easting 572.64 +- 123.10 Longitude 111.727
Northing 7111.06 +- 25.32 Latitude -26.118
Depth 5.00 +- 154.16 N
Arrival times = 12 S.D. = 1.797 Seismographs = 7
Nearest recorder = 543.9 km Gap = 257.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
256 km W (271 deg) of LP01
WESTERN AUSTRALIA
761 km NW (327 deg) of PERTH
239 km SW (235 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 2.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MRWA e P 91.10 0.10 0.75 91.08 0.02 543.9 130 -42.2 42.2
MRWA e S 144.00 0.30 0.54 144.54 -0.54 543.9 130 -40.3 40.3
NANU e P 89.00 0.20 0.66 91.92 -2.92 551.0 44 -42.2 42.2
NANU e S 149.00 0.30 0.54 145.99 3.01 551.0 44 -40.3 40.3
MEEK e P 108.30 0.20 0.64 108.92 -0.62 691.2 96 -42.2 42.2
MEEK e S 175.00 0.30 0.53 175.59 -0.59 691.2 96 -40.3 40.3
BAL e P 111.00 0.50 0.53 109.66 1.34 697.5 136 -42.2 42.2
BAL e S 178.00 0.50 0.48 176.89 1.11 697.5 136 -40.3 40.3
MUN e P 121.00 1.00 0.46 119.99 1.01 783.0 147 -42.2 42.2
MBL e P 149.00 2.00 0.39 145.71 3.29 995.7 57 -42.2 42.2
MBL e S 239.00 2.00 0.35 239.65 -0.65 995.7 57 -40.3 40.3
COOL e S 253.00 1.00 0.40 254.50 -1.50 1066.0 122 -40.3 40.3
12 times used, S = 1.797
Deferred Data
MRWA e SG 174.00 0.50 0.49 169.45 4.55 543.9 130 0.6 0.6
NANU e P2 93.00 0.20 0.39 99.13 -6.13 551.0 44 -30.8 30.8
MUN e S 198.00 0.50 0.47 194.86 3.14 783.0 147 -40.3 40.3
NWAO e P 138.00 1.00 0.45 137.19 0.81 925.2 146 -42.2 42.2
NWAO e S 225.00 2.00 0.35 224.80 0.20 925.2 146 -40.3 40.3
WARB e P 204.00 1.00 0.44 207.44 -3.44 1506.0 93 -42.2 42.2
WARB e S 343.00 0.50 0.46 347.11 -4.11 1506.0 93 -40.3 40.3
Velocity Ratios
MRWA NANU MEEK BAL MBL
MRWA 1.74 0.00 1.80 1.71 1.64
0.01 0.00 0.07 0.09 0.10
NANU 0.00 1.86 1.35 1.32 1.50
0.00 0.01 0.06 0.08 0.10
MEEK 1.80 1.35 1.75 0.00 1.57
0.07 0.06 0.01 0.00 0.15
BAL 1.71 1.32 0.00 1.73 1.61
0.09 0.08 0.00 0.01 0.18
MBL 1.64 1.50 1.57 1.61 1.69
0.10 0.10 0.15 0.18 0.04
Date 1994-05-02
Origin Time 2242 54.40 +- 5.46
Zone 50
Easting 680.27 +- 9.94 Longitude 118.921
Northing 6388.67 +- 18.52 Latitude -32.625
Depth 5.00 +- 47.58 N
Arrival times = 9 S.D. = 0.430 Seismographs = 5
Nearest recorder = 158.5 km Gap = 170.8 deg Accuracy = B
Effects Code = Imax = 0 Fault =
72 km E ( 86 deg) of KULI
WESTERN AUSTRALIA
299 km E (105 deg) of PERTH
281 km N ( 21 deg) of ALBANY
20 km S (166 deg) of Hyden
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 79.50 0.20 0.74 79.38 0.12 158.5 316 -30.8 30.8
KLB e S 98.00 0.30 0.61 98.16 -0.16 158.5 316 -23.9 23.9
NWAO e P 79.90 0.20 0.74 79.81 0.09 161.6 257 -30.8 30.8
NWAO e S 99.00 0.50 0.55 98.94 0.06 161.6 257 -23.9 23.9
MUN e S 121.00 1.00 0.46 121.08 -0.08 265.3 285 -40.3 40.3
RKG e S2 127.00 2.00 0.22 128.63 -1.63 279.2 218 -23.9 23.9
COOL w P 96.00 2.00 0.45 95.12 0.88 286.0 47 -42.2 42.2
COOL e S 125.00 0.50 0.52 125.47 -0.47 286.0 47 -40.3 40.3
COOL e S2 130.00 0.50 0.29 130.36 -0.36 286.0 47 -23.9 23.9
9 times used, S = 0.430
Deferred Data
MUN S2 126.00 1.00 0.36 125.12 0.88 265.3 285 -23.9 23.9
Velocity Ratios
KLB NWAO COOL
KLB 1.74 0.00 0.00
0.03 0.00 0.00
NWAO 0.00 1.75 0.00
0.00 0.03 0.00
COOL 0.00 0.00 1.70
0.00 0.00 0.10
Date 1994-05-06
Origin Time 0939 2.90 +- 12.43
Zone 50
Easting 571.65 +- 118.56 Longitude 117.729
Northing 6898.16 +- 70.29 Latitude -28.040
Depth 5.00 +- 94.26 N
Arrival times = 6 S.D. = 0.346 Seismographs = 3
Nearest recorder = 178.3 km Gap = 157.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
178 km SW (209 deg) of MEEK
WESTERN AUSTRALIA
470 km NE ( 23 deg) of PERTH
179 km SW (205 deg) of MEEKATHARRA
12 km W (286 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
MEEK e P 31.00 0.10 0.84 30.60 0.40 178.3 29 -42.2 42.2
MEEK e S 51.00 0.10 0.75 51.31 -0.31 178.3 29 -40.3 40.3
MRWA i P 35.00 0.10 1.18 34.88 0.12 213.8 231 -42.2 42.2
MRWA i PG 37.50 0.10 1.18 37.79 -0.29 213.8 231 1.4 1.4
MRWA e SG 62.50 0.50 0.54 61.99 0.51 213.8 231 1.4 1.4
COOL w S 110.00 5.00 0.32 110.07 -0.07 457.4 134 -40.3 40.3
6 times used, S = 0.346
Deferred Data
BAL w PG 52.00 5.00 0.37 52.04 -0.04 301.2 198 1.0 1.0
BAL w SG 85.00 5.00 0.34 86.12 -1.12 301.2 198 1.0 1.0
Velocity Ratios
MEEK
MEEK 1.71
0.01
Date 1994-05-07
Origin Time 1346 35.40 +- 14.14
Zone 50
Easting 523.27 +- 89.15 Longitude 117.244
Northing 6550.71 +- 64.06 Latitude -31.177
Depth 5.00 +- 343.43 N
Arrival times = 5 S.D. = 0.198 Seismographs = 4
Nearest recorder = 67.2 km Gap = 162.5 deg Accuracy = B
Effects Code = Imax = 0 Fault =
44 km NE ( 57 deg) of GOO
WESTERN AUSTRALIA
158 km NE ( 57 deg) of PERTH
21 km E ( 83 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 2.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e S 54.00 0.50 0.59 54.02 -0.02 67.2 133 4.5 4.5
BAL e S 58.00 0.50 0.59 57.95 0.05 81.5 320 3.7 3.7
MUN e S 72.00 0.50 0.56 72.02 -0.02 132.4 227 2.3 2.3
MRWA e P2 73.20 0.20 0.42 72.94 0.26 248.1 330 -30.8 30.8
MRWA e S2 101.30 0.30 0.33 101.79 -0.49 248.1 330 -23.9 23.9
5 times used, S = 0.198
NO VELOCITY RATIOS
Date 1994-05-08
Origin Time 2116 29.53 +- 37.24
Zone 48
Easting 666.51 +-1843.58 Longitude 106.801
Northing 6245.11 +- 488.75 Latitude -33.921
Depth 5.00 +-2430.91 N
Arrival times = 8 S.D. = 0.680 Seismographs = 5
Nearest recorder = 909.8 km Gap = 335.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
795 km W (265 deg) of ABUS
874 km W (253 deg) of PERTH
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? 2.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MUN e P 145.40 0.50 0.52 145.66 -0.26 909.8 78 -42.2 42.2
MUN e S 231.00 0.50 0.47 231.90 -0.90 909.8 78 -40.3 40.3
NWAO w P 154.00 2.00 0.40 154.36 -0.36 981.8 86 -42.2 42.2
NWAO e S 248.20 1.00 0.40 247.05 1.15 981.8 86 -40.3 40.3
BAL e P 158.00 0.50 0.51 157.56 0.44 1008.2 71 -42.2 42.2
BAL e S 252.00 0.50 0.46 252.62 -0.62 1008.2 71 -40.3 40.3
MRWA e S 256.00 1.00 0.40 255.39 0.61 1021.4 61 -40.3 40.3
KLB e S 265.00 1.00 0.40 264.64 0.36 1065.3 78 -40.3 40.3
8 times used, S = 0.680
Velocity Ratios
MUN NWAO BAL
MUN 1.74 0.00 0.00
0.01 0.00 0.00
NWAO 0.00 1.76 0.00
0.00 0.04 0.00
BAL 0.00 0.00 1.73
0.00 0.00 0.01
Date 1994-05-08
Origin Time 2218 16.99 +- 10.97
Zone 50
Easting 488.32 +- 75.08 Longitude 116.884
Northing 7214.64 +- 46.15 Latitude -25.184
Depth 5.00 +- 106.24 N
Arrival times = 8 S.D. = 0.661 Seismographs = 4
Nearest recorder = 236.5 km Gap = 143.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
200 km S (184 deg) of LP06
WESTERN AUSTRALIA
757 km N ( 8 deg) of PERTH
326 km E ( 97 deg) of CARNARVON
6 km S (195 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 2.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MEEK e PG 54.80 0.20 0.71 55.59 -0.79 236.5 133 1.3 1.3
MEEK e SG 83.00 0.20 0.64 82.35 0.65 236.5 133 1.3 1.3
NANU S-P 34.00 4.00 0.54 33.77 0.23 324.4 334 0.0 0.0
NANU w P 62.00 4.00 0.39 62.32 -0.32 324.4 334 -42.2 42.2
MRWA e P 78.10 0.20 0.67 78.17 -0.07 455.4 190 -42.2 42.2
MRWA e S 124.50 0.20 0.60 123.70 0.80 455.4 190 -40.3 40.3
MRWA e SG 142.00 1.00 0.44 142.79 -0.79 455.4 190 0.7 0.7
MBL e SG 166.00 5.00 0.31 165.69 0.31 538.3 34 0.6 0.6
8 times used, S = 0.661
Deferred Data
MEEK e P 54.80 0.20 0.71 51.74 3.06 236.5 133 -42.2 42.2
MEEK e S 83.00 0.20 0.64 77.66 5.34 236.5 133 -40.3 40.3
Velocity Ratios
MRWA
MRWA 1.76
0.01
Date 1994-05-10
Origin Time 2110 48.60 +- 17.11
Zone 50
Easting 737.46 +- 60.72 Longitude 119.274
Northing 7753.14 +- 127.98 Latitude -20.305
Depth 5.00 +- 39.36 N
Arrival times = 6 S.D. = 0.375 Seismographs = 4
Nearest recorder = 111.2 km Gap = 294.6 deg Accuracy = C
Effects Code = Imax = 0 Fault =
67 km NE ( 58 deg) of RP02
WESTERN AUSTRALIA
108 km NW (333 deg) of Marble Bar
72 km E ( 91 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 2.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MBL i+P 66.70 0.10 1.25 66.76 -0.06 111.2 148 2.7 2.7
MEEK e P 140.60 0.20 0.64 139.96 0.64 704.7 185 -42.2 42.2
MEEK e S 207.70 1.00 0.42 207.84 -0.14 704.7 185 -40.3 40.3
WARB e P 175.50 1.00 0.45 175.71 -0.21 1000.5 132 -42.2 42.2
WARB e S 270.50 1.00 0.40 270.09 0.41 1000.5 132 -40.3 40.3
MRWA e P 180.20 0.20 0.61 180.61 -0.41 1041.1 197 -42.2 42.2
6 times used, S = 0.375
Deferred Data
MBL S-P 70.00 5.00 0.57 12.59 57.41 111.2 148 0.0 0.0
MRWA e S 277.00 0.20 0.55 278.62 -1.62 1041.1 197 -40.3 40.3
Velocity Ratios
MEEK WARB
MEEK 1.73 1.80
0.01 0.12
WARB 1.80 1.75
0.12 0.02
Date 1994-05-11
Origin Time 1927 4.82 +- 106.68
Zone 50
Easting 539.56 +- 677.09 Longitude 117.399
Northing 7002.50 +- 535.76 Latitude -27.099
Depth 5.00 +- 617.04 N
Arrival times = 5 S.D. = 0.357 Seismographs = 3
Nearest recorder = 131.1 km Gap = 217.3 deg Accuracy = D
Effects Code = Imax = 0 Fault =
131 km SW (246 deg) of MEEK
WESTERN AUSTRALIA
558 km N ( 16 deg) of PERTH
124 km SW (242 deg) of MEEKATHARRA
35 km NW (314 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 1.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MEEK e P 26.10 0.20 0.75 25.98 0.12 131.1 67 -30.8 30.8
MEEK i S 41.00 0.40 0.84 41.06 -0.06 131.1 67 2.4 2.4
MRWA e P 44.00 0.10 0.81 43.85 0.15 272.2 209 -42.2 42.2
MRWA e S 72.50 0.30 0.58 72.95 -0.45 272.2 209 -40.3 40.3
BAL e S2 110.00 5.00 0.18 108.15 1.85 394.4 189 -23.9 23.9
5 times used, S = 0.357
Velocity Ratios
MEEK MRWA
MEEK 1.70 1.76
0.04 0.07
MRWA 1.76 1.73
0.07 0.01
Date 1994-05-11
Origin Time 1958 4.97 +- 55.32
Zone 50
Easting 604.95 +- 235.06 Longitude 118.132
Northing 6273.63 +- 350.39 Latitude -33.672
Depth 5.00 +-1222.81 N
Arrival times = 5 S.D. = 0.106 Seismographs = 4
Nearest recorder = 117.6 km Gap = 182.4 deg Accuracy = B
Effects Code = Imax = 0 Fault =
20 km N (349 deg) of GNOC
WESTERN AUSTRALIA
287 km SE (132 deg) of PERTH
149 km N ( 9 deg) of ALBANY
31 km NE ( 23 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 1.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NWAO e P 24.20 0.10 0.87 24.18 0.02 117.6 314 2.6 2.6
NWAO i S 37.50 0.20 0.97 37.49 0.01 117.6 314 2.6 2.6
RKG e S2 44.90 0.30 0.34 44.96 -0.06 143.6 225 -23.9 23.9
KLB e S2 67.00 5.00 0.19 67.61 -0.61 233.3 351 -23.9 23.9
COOL e SG 121.00 2.00 0.38 120.98 0.02 419.9 43 0.8 0.8
5 times used, S = 0.106
Deferred Data
MUN e S2 73.00 0.50 0.29 74.39 -1.39 260.1 315 -23.9 23.9
Velocity Ratios
NWAO
NWAO 1.69
0.02
Date 1994-05-11
Origin Time 2140 26.88 +- 208.40
Zone 50
Easting 497.94 +-1073.93 Longitude 116.979
Northing 7056.06 +-2976.41 Latitude -26.616
Depth 5.00 +-4442.80 N
Arrival times = 5 S.D. = 1.579 Seismographs = 3
Nearest recorder = 162.8 km Gap = 253.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
162 km W (270 deg) of MEEK
WESTERN AUSTRALIA
601 km N ( 11 deg) of PERTH
183 km NW (332 deg) of Mt Magnet
152 km W (268 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 2.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MEEK e P 52.50 0.20 0.74 52.48 0.02 162.8 91 -30.8 30.8
MEEK i S 71.60 0.20 0.95 71.74 -0.14 162.8 91 -23.9 23.9
MRWA e P 70.40 0.10 0.80 69.77 0.63 304.0 198 -42.2 42.2
MRWA e S 98.40 0.50 0.52 101.73 -3.33 304.0 198 -40.3 40.3
BAL e S 133.50 0.50 0.50 130.96 2.54 442.9 183 -40.3 40.3
5 times used, S = 1.579
Deferred Data
MRWA e SG 110.50 0.50 0.44 110.88 -0.38 304.0 198 1.0 1.0
Velocity Ratios
MEEK MRWA
MEEK 1.75 1.50
0.02 0.07
MRWA 1.50 1.64
0.07 0.02
Date 1994-05-13
Origin Time 0007 30.19 +- 2.19
Zone 50
Easting 576.95 +- 55.16 Longitude 117.779
Northing 6963.38 +- 44.48 Latitude -27.451
Depth 5.00 +- 32.15 N
Arrival times = 7 S.D. = 0.178 Seismographs = 3
Nearest recorder = 122.4 km Gap = 181.5 deg Accuracy = B
Effects Code = Imax = 0 Fault =
122 km SW (222 deg) of MEEK
WESTERN AUSTRALIA
532 km N ( 21 deg) of PERTH
120 km SW (216 deg) of MEEKATHARRA
12 km W (259 deg) of Cue
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
MEEK e P 50.00 0.20 0.75 50.13 -0.13 122.4 42 -30.8 30.8
MEEK e S 64.20 0.50 0.57 64.03 0.17 122.4 42 2.6 2.6
MRWA e P2 70.00 1.00 0.31 69.73 0.27 262.4 221 -30.8 30.8
MRWA e PG 73.00 1.00 0.51 73.01 -0.01 262.4 221 1.2 1.2
MRWA e S 96.50 0.50 0.53 96.27 0.23 262.4 221 -40.3 40.3
MRWA e SG 102.50 0.50 0.53 102.69 -0.19 262.4 221 1.2 1.2
BAL e SG 131.00 1.00 0.45 131.00 -0.00 364.9 196 0.8 0.8
7 times used, S = 0.178
Velocity Ratios
MEEK
MEEK 1.72
0.04
Date 1994-05-13
Origin Time 0420 39.95 +- 0.27
Zone 50
Easting 523.54 +- 1.92 Longitude 117.247
Northing 6550.97 +- 1.84 Latitude -31.175
Depth 4.62 +- 4.28
Arrival times = 12 S.D. = 0.149 Seismographs = 6
Nearest recorder = 67.2 km Gap = 115.3 deg Accuracy = A
Effects Code = Imax = 0 Fault =
44 km S (167 deg) of CA1
WESTERN AUSTRALIA
158 km NE ( 57 deg) of PERTH
21 km E ( 82 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 2.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB i-P 51.00 0.10 1.30 50.94 0.06 67.2 133 4.2 4.2
KLB e S 58.40 0.20 0.71 58.56 -0.16 67.2 133 4.2 4.2
BAL e P 53.30 0.10 0.90 53.26 0.04 81.4 320 3.5 3.5
BAL e S 62.50 0.20 0.70 62.49 0.01 81.4 320 3.5 3.5
MUN e P 61.30 0.20 0.75 61.37 -0.07 132.8 227 -30.8 30.8
MUN e S 76.50 0.20 0.67 76.67 -0.17 132.8 227 2.1 2.1
NWAO e P 69.80 0.20 0.72 69.59 0.21 194.2 180 -42.2 42.2
NWAO e S2 92.90 0.30 0.33 92.75 0.15 194.2 180 -23.9 23.9
MRWA e P 76.30 0.20 0.71 76.11 0.19 248.1 330 -42.2 42.2
MRWA S2 106.00 0.30 0.47 106.36 -0.36 248.1 330 -23.9 23.9
COOL e P 91.20 0.30 0.63 91.32 -0.12 373.6 86 -42.2 42.2
COOL e S 129.40 0.30 0.57 129.55 -0.15 373.6 86 -40.3 40.3
12 times used, S = 0.149
Deferred Data
MRWA e S 106.00 0.30 0.59 103.08 2.92 248.1 330 -40.3 40.3
COOL PG 100.00 0.30 0.90 100.91 -0.91 373.6 86 0.8 0.8
RKG e P 94.00 0.50 0.57 91.70 2.30 377.0 183 -42.2 42.2
RKG e S 133.00 0.50 0.51 130.22 2.78 377.0 183 -40.3 40.3
MEEK e P 111.00 0.50 0.47 109.02 1.98 520.1 15 -42.2 42.2
MEEK e S 160.00 0.50 0.42 160.38 -0.38 520.1 15 -40.3 40.3
MEEK e SG 183.00 0.50 0.42 183.62 -0.62 520.1 15 0.6 0.6
WARB e P 176.90 0.20 0.57 176.14 0.76 1075.2 61 -42.2 42.2
WARB e S 276.00 1.00 0.32 277.24 -1.24 1075.2 61 -40.3 40.3
WARB e SG 335.00 0.50 0.39 336.97 -1.97 1075.2 61 0.3 0.3
Velocity Ratios
KLB BAL MUN COOL
KLB 1.67 0.00 1.76 1.77
0.03 0.00 0.09 0.03
BAL 0.00 1.69 1.75 1.77
0.00 0.03 0.12 0.03
MUN 1.76 1.75 1.71 1.77
0.09 0.12 0.03 0.05
COOL 1.77 1.77 1.77 1.75
0.03 0.03 0.05 0.02
Date 1994-05-17
Origin Time 1337 48.27 +- 4.67
Zone 50
Easting 512.13 +- 78.22 Longitude 117.127
Northing 6595.44 +- 85.83 Latitude -30.774
Depth 5.00 +- 119.86 N
Arrival times = 6 S.D. = 0.271 Seismographs = 3
Nearest recorder = 44.3 km Gap = 179.1 deg Accuracy = B
Effects Code = Imax = 0 Fault =
1 km SW (239 deg) of CADX
WESTERN AUSTRALIA
178 km NE ( 43 deg) of PERTH
1 km SW (215 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? 1.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BAL e P 55.80 0.10 0.94 55.54 0.26 44.3 294 6.8 6.8
BAL e S 60.40 0.10 0.85 60.59 -0.19 44.3 294 6.8 6.8
KLB e P 66.00 0.20 0.76 66.05 -0.05 108.9 146 2.8 2.8
KLB e S 78.30 0.30 0.63 78.38 -0.08 108.9 146 2.8 2.8
MRWA e P2 80.00 0.50 0.36 79.62 0.38 204.0 327 -30.8 30.8
MRWA e S2 102.90 0.20 0.36 103.51 -0.61 204.0 327 -23.9 23.9
6 times used, S = 0.271
Velocity Ratios
BAL KLB
BAL 1.61 1.75
0.04 0.09
KLB 1.75 1.69
0.09 0.04
Date 1994-05-17
Origin Time 2057 15.14 +- 0.53
Zone 50
Easting 508.38 +- 3.30 Longitude 117.088
Northing 6501.11 +- 3.74 Latitude -31.625
Depth 5.00 +- 19.52 N
Arrival times = 8 S.D. = 0.221 Seismographs = 4
Nearest recorder = 63.8 km Gap = 104.7 deg Accuracy = A
Effects Code = Imax = 0 Fault =
10 km N ( 16 deg) of ME3
WESTERN AUSTRALIA
123 km E ( 73 deg) of PERTH
7 km E ( 86 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB i-P 25.60 0.10 1.31 25.59 0.01 63.8 86 4.7 4.7
KLB e S 33.00 0.10 0.82 32.83 0.17 63.8 86 4.7 4.7
MUN e P 30.10 0.10 0.89 30.19 -0.09 92.1 244 3.3 3.3
MUN e S 41.00 0.20 0.70 40.61 0.39 92.1 244 3.3 3.3
BAL e P 34.70 0.10 0.87 34.51 0.19 118.6 342 2.6 2.6
BAL e S 47.60 0.20 0.68 47.93 -0.33 118.6 342 2.6 2.6
NWAO e P 37.90 0.10 0.85 38.22 -0.32 144.9 174 -30.8 30.8
NWAO e S 55.20 0.10 0.77 55.20 -0.00 144.9 174 2.1 2.1
8 times used, S = 0.221
Deferred Data
MRWA e P 55.00 2.00 0.44 55.92 -0.92 286.6 338 -42.2 42.2
MRWA e S 86.00 0.30 0.58 86.32 -0.32 286.6 338 -40.3 40.3
MRWA e SG 93.70 0.50 0.52 94.34 -0.64 286.6 338 1.1 1.1
Velocity Ratios
KLB MUN BAL NWAO
KLB 1.71 1.78 1.60 1.80
0.03 0.15 0.07 0.05
MUN 1.78 1.73 1.43 1.82
0.15 0.03 0.16 0.09
BAL 1.60 1.43 1.66 0.00
0.07 0.16 0.02 0.00
NWAO 1.80 1.82 0.00 1.76
0.05 0.09 0.00 0.01
Date 1994-05-18
Origin Time 0240 21.93 +- 0.66
Zone 50
Easting 436.08 +- 6.79 Longitude 116.331
Northing 6580.28 +- 3.83 Latitude -30.909
Depth 5.00 +- 22.85 N
Arrival times = 8 S.D. = 0.169 Seismographs = 4
Nearest recorder = 49.1 km Gap = 164.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
44 km W (261 deg) of PIG2
WESTERN AUSTRALIA
124 km N ( 22 deg) of PERTH
22 km NW (329 deg) of Calingiri
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
BAL e P 30.00 0.10 0.94 30.00 0.00 49.1 46 6.2 6.2
BAL e S 35.70 0.10 0.84 35.59 0.11 49.1 46 6.2 6.2
MUN e P 41.40 0.30 0.70 41.38 0.02 119.1 185 2.5 2.5
MUN e S 55.00 0.30 0.63 54.86 0.14 119.1 185 2.5 2.5
KLB e P 46.50 0.30 0.68 46.52 -0.02 155.7 119 -30.8 30.8
KLB e S 65.00 0.30 0.61 64.96 0.04 155.7 119 1.9 1.9
MRWA e PG 52.50 0.30 0.60 52.97 -0.47 190.2 350 1.6 1.6
MRWA e SG 74.50 0.30 0.54 74.48 0.02 190.2 350 1.6 1.6
8 times used, S = 0.169
Deferred Data
MRWA e P 52.50 0.30 0.67 51.05 1.45 190.2 350 -42.2 42.2
MRWA e S 74.50 0.30 0.60 72.80 1.70 190.2 350 -40.3 40.3
NWAO e SG 87.20 0.30 0.59 88.07 -0.87 239.3 159 1.3 1.3
Velocity Ratios
BAL MUN KLB
BAL 1.71 1.69 1.78
0.03 0.10 0.07
MUN 1.69 1.70 0.00
0.10 0.04 0.00
KLB 1.78 0.00 1.75
0.07 0.00 0.03
Date 1994-05-22
Origin Time 0659 49.23 +- 28.31
Zone 50
Easting 491.74 +- 71.11 Longitude 116.911
Northing 6322.17 +- 137.13 Latitude -33.239
Depth 5.00 +- 232.71 N
Arrival times = 5 S.D. = 0.305 Seismographs = 3
Nearest recorder = 45.9 km Gap = 293.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
41 km N (347 deg) of BEAU
WESTERN AUSTRALIA
214 km NW (335 deg) of ALBANY
174 km SE (145 deg) of PERTH
17 km NW (318 deg) of Arthur River
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 56.70 0.10 0.94 56.76 -0.06 45.9 40 6.5 6.5
NWAO e S 62.20 0.20 0.74 61.99 0.21 45.9 40 6.5 6.5
MUN e P 73.70 0.10 0.85 73.66 0.04 154.6 334 -30.8 30.8
MUN e SG 92.00 0.20 0.67 91.95 0.05 154.6 334 1.9 1.9
KLB e S2 102.00 0.50 0.30 103.29 -1.29 199.3 23 -23.9 23.9
5 times used, S = 0.305
Deferred Data
MUN e S 89.30 0.20 0.67 91.95 -2.65 154.6 334 1.9 1.9
KLB e S 102.00 0.50 0.54 102.03 -0.03 199.3 23 -40.3 40.3
Velocity Ratios
NWAO
NWAO 1.74
0.05
Date 1994-05-25
Origin Time 1825 50.55 +- 5.13
Zone 51
Easting 253.19 +- 25.07 Longitude 120.686
Northing 8153.68 +- 36.82 Latitude -16.687
Depth 5.00 +- 50.12 N
Arrival times = 8 S.D. = 0.272 Seismographs = 4
Nearest recorder = 503.6 km Gap = 225.3 deg Accuracy = B
Effects Code = Imax = 0 Fault =
482 km NE ( 25 deg) of RP02
WESTERN AUSTRALIA
217 km NW (311 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
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MBL e P 117.50 0.50 0.55 117.55 -0.05 503.6 190 -42.2 42.2
MBL e S 167.50 1.00 0.43 167.38 0.12 503.6 190 -40.3 40.3
NANU e P 159.50 0.30 0.58 159.29 0.21 848.9 218 -42.2 42.2
NANU e S 240.00 0.30 0.52 240.06 -0.06 848.9 218 -40.3 40.3
KNA e P 161.70 0.30 0.58 161.95 -0.25 870.8 84 -42.2 42.2
KNA e S 245.00 0.30 0.52 244.69 0.31 870.8 84 -40.3 40.3
MEEK e P 192.00 1.00 0.44 192.58 -0.58 1123.7 190 -42.2 42.2
MEEK e S 298.00 1.00 0.40 298.00 -0.00 1123.7 190 -40.3 40.3
8 times used, S = 0.272
Deferred Data
WARB e P 205.40 0.50 0.51 204.09 1.31 1219.0 150 -42.2 42.2
WARB e S 325.00 1.00 0.40 318.05 6.95 1219.0 150 -40.3 40.3
Velocity Ratios
MBL NANU KNA MEEK
MBL 1.75 1.73 1.75 1.75
0.03 0.07 0.06 0.06
NANU 1.73 1.74 0.00 1.78
0.07 0.01 0.00 0.12
KNA 1.75 0.00 1.75 1.75
0.06 0.00 0.01 0.12
MEEK 1.75 1.78 1.75 1.75
0.06 0.12 0.12 0.02
Date 1994-05-26
Origin Time 0747 6.67 +- 0.34
Zone 50
Easting 524.08 +- 2.08 Longitude 117.253
Northing 6551.15 +- 1.87 Latitude -31.173
Depth 4.32 +- 5.78
Arrival times = 11 S.D. = 0.185 Seismographs = 6
Nearest recorder = 66.9 km Gap = 115.4 deg Accuracy = A
Effects Code = Imax = 0 Fault =
44 km S (166 deg) of CA1
WESTERN AUSTRALIA
159 km NE ( 57 deg) of PERTH
21 km E ( 82 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 2.1
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 17.70 0.10 0.91 17.61 0.09 66.9 134 3.9 3.9
KLB e S 25.00 0.20 0.71 25.20 -0.20 66.9 134 3.9 3.9
BAL e P 19.90 0.10 0.90 20.01 -0.11 81.6 320 3.2 3.2
BAL e S 29.20 0.20 0.70 29.26 -0.06 81.6 320 3.2 3.2
MUN e P 28.20 0.10 0.86 28.19 0.01 133.3 227 -30.8 30.8
MUN e S 43.70 0.20 0.67 43.53 0.17 133.3 227 2.0 2.0
NWAO e P2 36.40 0.20 0.43 36.73 -0.33 194.4 180 -30.8 30.8
NWAO e S 58.50 0.20 0.65 58.54 -0.04 194.4 180 -40.3 40.3
MRWA e P2 44.80 0.20 0.42 44.27 0.53 248.2 330 -30.8 30.8
MRWA e S2 73.00 0.20 0.35 73.14 -0.14 248.2 330 -23.9 23.9
COOL e SG 110.00 0.50 0.51 109.75 0.25 373.1 86 0.7 0.7
11 times used, S = 0.185
Deferred Data
NWAO e P 36.40 0.20 0.72 36.36 0.04 194.4 180 -42.2 42.2
Velocity Ratios
KLB BAL MUN
KLB 1.66 0.00 1.78
0.03 0.00 0.07
BAL 0.00 1.70 1.75
0.00 0.03 0.09
MUN 1.78 1.75 1.72
0.07 0.09 0.02
Date 1994-05-29
Origin Time 0104 6.56 +- 3.65
Zone 50
Easting 510.95 +- 17.78 Longitude 117.115
Northing 6504.08 +- 34.29 Latitude -31.598
Depth 5.00 +- 95.69 N
Arrival times = 6 S.D. = 0.218 Seismographs = 4
Nearest recorder = 61.2 km Gap = 109.0 deg Accuracy = B
Effects Code = Imax = 0 Fault =
13 km NE ( 22 deg) of ME3
WESTERN AUSTRALIA
126 km E ( 72 deg) of PERTH
11 km E ( 71 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? 1.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P2 18.20 0.20 0.48 17.91 0.29 61.2 89 -30.8 30.8
KLB e S 23.40 0.20 0.72 23.52 -0.12 61.2 89 5.0 5.0
MUN e P 22.00 0.10 0.89 22.19 -0.19 95.7 243 3.1 3.1
MUN e S 33.10 0.10 0.80 33.03 0.07 95.7 243 3.1 3.1
BAL w SG 39.00 2.00 0.44 38.80 0.20 116.6 340 2.6 2.6
NWAO e S2 48.00 0.20 0.37 47.58 0.42 147.7 175 -23.9 23.9
6 times used, S = 0.218
Deferred Data
KLB e P 18.20 0.20 0.80 16.58 1.62 61.2 89 5.0 5.0
BAL e P 25.00 1.00 0.55 25.60 -0.60 116.6 340 2.6 2.6
MRWA e S 78.00 1.00 0.46 77.37 0.63 284.8 337 -40.3 40.3
Velocity Ratios
MUN
MUN 1.72
0.02
Date 1994-05-29
Origin Time 1218 41.91 +- 2.00
Zone 50
Easting 593.68 +- 10.79 Longitude 117.987
Northing 6508.21 +- 5.84 Latitude -31.557
Depth 5.00 +- 9.73 N
Arrival times = 8 S.D. = 0.174 Seismographs = 4
Nearest recorder = 21.9 km Gap = 254.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
21 km E ( 80 deg) of KLB
WESTERN AUSTRALIA
207 km E ( 78 deg) of PERTH
27 km E ( 72 deg) of Kellerberrin
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML? 1.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 45.50 0.10 0.99 45.58 -0.08 21.9 259 13.6 13.6
KLB e S 48.00 0.10 0.90 48.13 -0.13 21.9 259 13.6 13.6
BAL e PG 68.50 0.30 0.68 68.23 0.27 161.3 310 1.9 1.9
BAL e S 86.30 0.30 0.61 86.37 -0.07 161.3 310 -23.9 23.9
NWAO e P 68.10 0.30 0.68 68.16 -0.06 167.6 204 -30.8 30.8
NWAO e S 88.10 0.30 0.61 87.96 0.14 167.6 204 -23.9 23.9
MUN e P 69.00 0.50 0.61 69.16 -0.16 174.8 253 -42.2 42.2
MUN e SG 90.50 0.20 0.66 90.21 0.29 174.8 253 1.7 1.7
8 times used, S = 0.174
Deferred Data
BAL e P 68.50 0.30 0.68 67.28 1.22 161.3 310 -30.8 30.8
MUN e S2 90.50 0.20 0.37 89.77 0.73 174.8 253 -23.9 23.9
MRWA e S2 128.30 0.50 0.29 126.99 1.31 322.1 323 -23.9 23.9
Velocity Ratios
KLB NWAO
KLB 1.70 1.77
0.08 0.05
NWAO 1.77 1.76
0.05 0.03