Data Report
Bulletin / 1993-09
Contributed by CUPWA
Date 1993-09-04
Origin Time 0014 50.62 +- 1.08
Zone 50
Easting 537.51 +- 10.09 Longitude 117.398
Northing 6434.54 +- 6.30 Latitude -32.225
Depth 5.00 +- 16.06 N
Arrival times = 10 S.D. = 0.635 Seismographs = 5
Nearest recorder = 78.1 km Gap = 165.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
23 km S (179 deg) of QUAI
WESTERN AUSTRALIA
149 km E (102 deg) of PERTH
40 km E ( 71 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 2.1
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 63.10 0.20 0.78 63.39 -0.29 78.1 25 3.9 3.9
KLB e S 71.80 0.30 0.65 72.25 -0.45 78.1 25 3.9 3.9
NWAO e P 63.60 0.30 0.72 63.59 0.01 79.3 191 3.8 3.8
NWAO e S 72.90 0.30 0.65 72.58 0.32 79.3 191 3.8 3.8
MUN e P 68.70 0.20 0.76 69.49 -0.79 115.5 283 2.6 2.6
MUN e S 82.30 0.50 0.57 82.57 -0.27 115.5 283 2.6 2.6
BAL e P 80.30 0.30 0.67 79.84 0.46 191.0 339 -42.2 42.2
BAL e S 102.30 0.50 0.54 101.68 0.62 191.0 339 -40.3 40.3
MRWA e P 100.20 0.30 0.63 100.19 0.01 359.3 337 -42.2 42.2
MRWA e S 139.00 1.00 0.45 137.10 1.90 359.3 337 -40.3 40.3
10 times used, S = 0.635
Velocity Ratios
KLB NWAO MUN BAL MRWA
KLB 1.70 0.00 0.00 1.77 1.81
0.05 0.00 0.00 0.10 0.06
NWAO 0.00 1.72 0.00 1.76 1.81
0.00 0.06 0.00 0.12 0.07
MUN 0.00 0.00 1.75 1.72 1.80
0.00 0.00 0.05 0.17 0.08
BAL 1.77 1.76 1.72 1.74 1.84
0.10 0.12 0.17 0.03 0.14
MRWA 1.81 1.81 1.80 1.84 1.78
0.06 0.07 0.08 0.14 0.03
Date 1993-09-04
Origin Time 1824 10.24 +- 5.69
Zone 49
Easting 749.84 +- 60.09 Longitude 113.525
Northing 6974.06 +- 16.43 Latitude -27.334
Depth 5.00 +- 59.76 N
Arrival times = 6 S.D. = 0.321 Seismographs = 3
Nearest recorder = 320.4 km Gap = 249.5 deg Accuracy = D
Effects Code = Imax = 0 Fault =
76 km NW (304 deg) of KBAR
WESTERN AUSTRALIA
559 km NW (336 deg) of PERTH
192 km NW (326 deg) of GERALDTON
78 km NW (301 deg) of Kalbarri
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
MRWA S-P 33.40 0.10 1.13 33.42 -0.02 320.4 131 0.0 0.0
MRWA e P 55.00 0.10 0.79 55.10 -0.10 320.4 131 -42.2 42.2
MRWA i S 88.40 0.10 1.02 88.52 -0.12 320.4 131 -40.3 40.3
MEEK e P 79.00 0.10 0.76 78.36 0.64 512.5 82 -42.2 42.2
MEEK e S 129.00 0.10 0.68 129.02 -0.02 512.5 82 -40.3 40.3
NANU e S 140.00 0.10 0.68 140.49 -0.49 567.4 20 -40.3 40.3
6 times used, S = 0.321
Velocity Ratios
MRWA MEEK
MRWA 1.75 1.69
0.01 0.02
MEEK 1.69 1.73
0.02 0.00
Date 1993-09-08
Origin Time 0404 13.31 +- 12.44
Zone 50
Easting 739.04 +- 55.16 Longitude 119.516
Northing 6514.48 +- 228.29 Latitude -31.480
Depth 1.09 +- 134.68
Arrival times = 6 S.D. = 0.165 Seismographs = 3
Nearest recorder = 167.2 km Gap = 165.3 deg Accuracy = D
Effects Code = Imax = 0 Fault =
134 km SE (138 deg) of BR3
WESTERN AUSTRALIA
351 km E ( 82 deg) of PERTH
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
KLB e P 40.00 0.10 0.84 39.84 0.16 167.2 265 -30.8 30.8
KLB e S 59.40 0.10 0.76 59.51 -0.11 167.2 265 0.5 0.5
COOL e P 40.00 0.10 0.84 40.09 -0.09 168.9 67 -30.8 30.8
COOL e S 60.00 0.10 0.76 59.97 0.03 168.9 67 0.5 0.5
NWAO e S 81.00 4.00 0.35 81.35 -0.35 268.4 232 -40.3 40.3
NWAO e S2 85.60 0.50 0.29 85.25 0.35 268.4 232 -23.9 23.9
6 times used, S = 0.165
Deferred Data
NWAO P 55.00 0.10 1.20 52.31 2.69 268.4 232 -42.2 42.2
MUN e P 55.00 0.10 0.80 58.33 -3.33 318.2 259 -42.2 42.2
Velocity Ratios
KLB COOL
KLB 1.73 0.00
0.01 0.00
COOL 0.00 1.75
0.00 0.01
Date 1993-09-08
Origin Time 1338 16.20 +- 1.93
Zone 50
Easting 501.85 +- 10.70 Longitude 117.019
Northing 6634.06 +- 5.53 Latitude -30.425
Depth 1.00 +- 18.61 G
Arrival times = 8 S.D. = 0.237 Seismographs = 5
Nearest recorder = 36.1 km Gap = 188.2 deg Accuracy = A
Effects Code = Imax = 0 Fault =
7 km E ( 68 deg) of BK2A
WESTERN AUSTRALIA
202 km NE ( 34 deg) of PERTH
11 km SW (238 deg) of Kalannie
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BAL e P 22.10 0.10 0.96 22.09 0.01 36.1 235 2.1 2.1
BAL e S 26.00 0.50 0.63 26.18 -0.18 36.1 235 2.1 2.1
KLB e P 39.80 0.20 0.74 39.95 -0.15 147.3 151 -30.8 30.8
MRWA e P 42.90 0.20 0.73 42.62 0.28 166.4 323 -30.8 30.8
MRWA i S 62.00 0.50 0.79 62.16 -0.16 166.4 323 0.4 0.4
MUN e P 45.50 0.30 0.67 45.56 -0.06 188.7 203 -42.2 42.2
MUN e S 68.00 0.50 0.54 67.46 0.54 188.7 203 -40.3 40.3
NWAO i S2 90.30 0.50 0.42 90.57 -0.27 278.0 175 -23.9 23.9
8 times used, S = 0.237
Deferred Data
KLB e S 55.40 0.40 0.58 56.90 -1.50 147.3 151 0.5 0.5
Velocity Ratios
BAL MRWA MUN
BAL 1.66 1.73 1.79
0.11 0.07 0.07
MRWA 1.73 1.72 0.00
0.07 0.03 0.00
MUN 1.79 0.00 1.77
0.07 0.00 0.04
Date 1993-09-16
Origin Time 1412 23.28 +- 2.94
Zone 49
Easting 314.21 +- 58.57 Longitude 109.116
Northing 6935.49 +- 11.86 Latitude -27.692
Depth 5.00 +- 80.83 N
Arrival times = 11 S.D. = 0.548 Seismographs = 7
Nearest recorder = 694.9 km Gap = 272.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
497 km W (269 deg) of KBAR
804 km NW (304 deg) of PERTH
Place names undefined for this area
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 3.9
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MRWA i-P 114.10 0.10 1.05 113.42 0.68 694.9 105 -42.2 42.2
MRWA e S 180.00 0.50 0.48 180.41 -0.41 694.9 105 -40.3 40.3
BAL e P 126.80 0.20 0.63 126.90 -0.10 806.3 115 -42.2 42.2
BAL e S 203.00 0.50 0.47 203.87 -0.87 806.3 115 -40.3 40.3
NANU i-P 133.30 0.10 1.03 133.36 -0.06 859.9 49 -42.2 42.2
NANU e S 214.50 0.50 0.47 215.11 -0.61 859.9 49 -40.3 40.3
KLB e P 143.20 0.20 0.62 143.36 -0.16 942.5 119 -42.2 42.2
MEEK e P 144.00 0.20 0.62 144.27 -0.27 949.8 85 -42.2 42.2
MEEK e S 234.90 0.30 0.51 234.11 0.79 949.8 85 -40.3 40.3
RKG e P 158.30 0.20 0.61 158.96 -0.66 1071.5 137 -42.2 42.2
MBL e P 188.00 0.30 0.56 187.54 0.46 1307.9 58 -42.2 42.2
11 times used, S = 0.548
Deferred Data
MUN e P 128.30 0.20 0.63 130.24 -1.94 834.0 126 -42.2 42.2
MUN e S 202.00 0.50 0.47 209.68 -7.68 834.0 126 -40.3 40.3
LAK PN 131.60 0.50 0.45 130.66 0.94 837.5 125 -42.2 42.2
KLB e S 230.00 0.50 0.46 232.53 -2.53 942.5 119 -40.3 40.3
NWAO i+P 145.00 0.10 1.01 147.04 -2.04 972.9 128 -42.2 42.2
NWAO e S 234.80 0.30 0.51 238.93 -4.13 972.9 128 -40.3 40.3
RKG e S 258.00 0.50 0.46 259.69 -1.69 1071.5 137 -40.3 40.3
COOL e P 176.00 0.30 0.56 177.42 -1.42 1223.9 109 -42.2 42.2
COOL e S 290.50 0.50 0.46 291.82 -1.32 1223.9 109 -40.3 40.3
MBL e S 306.00 2.00 0.35 309.45 -3.45 1307.9 58 -40.3 40.3
Velocity Ratios
MRWA BAL NANU MEEK
MRWA 1.73 1.81 1.80 1.84
0.01 0.12 0.07 0.05
BAL 1.81 1.74 0.00 1.85
0.12 0.01 0.00 0.09
NANU 1.80 0.00 1.74 1.91
0.07 0.00 0.01 0.13
MEEK 1.84 1.85 1.91 1.75
0.05 0.09 0.13 0.01
Date 1993-09-16
Origin Time 1551 49.63 +- 0.76
Zone 50
Easting 504.96 +- 4.43 Longitude 117.052
Northing 6492.79 +- 5.79 Latitude -31.700
Depth 8.10 +- 17.68
Arrival times = 8 S.D. = 0.185 Seismographs = 4
Nearest recorder = 68.2 km Gap = 96.2 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km N (340 deg) of ME3
WESTERN AUSTRALIA
117 km E ( 77 deg) of PERTH
9 km SE (153 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 i-P 60.90 0.20 1.13 60.84 0.06 68.2 79 7.0 7.0
KLB e S 68.60 0.30 0.66 68.61 -0.01 68.2 79 7.0 7.0
MUN e P 63.70 0.20 0.78 63.67 0.03 85.6 248 5.6 5.6
MUN e S 73.50 0.30 0.65 73.40 0.10 85.6 248 5.6 5.6
BAL e P 70.00 0.30 0.69 69.75 0.25 125.6 344 -30.8 30.8
BAL e S 84.00 0.50 0.56 84.40 -0.40 125.6 344 3.8 3.8
NWAO e P 71.10 0.30 0.69 71.35 -0.25 137.0 172 -30.8 30.8
NWAO e S 87.50 0.50 0.56 87.55 -0.05 137.0 172 3.5 3.5
8 times used, S = 0.185
Deferred Data
MRWA e SG 128.00 1.00 0.45 130.65 -2.65 293.2 339 1.6 1.6
Velocity Ratios
KLB MUN BAL NWAO
KLB 1.68 0.00 1.69 1.85
0.06 0.00 0.19 0.18
MUN 0.00 1.70 0.00 0.00
0.00 0.05 0.00 0.00
BAL 1.69 0.00 1.69 0.00
0.19 0.00 0.05 0.00
NWAO 1.85 0.00 0.00 1.76
0.18 0.00 0.00 0.05
Date 1993-09-16
Origin Time 1812 31.97 +- 1.37
Zone 50
Easting 536.90 +- 11.79 Longitude 117.392
Northing 6435.85 +- 7.76 Latitude -32.213
Depth 5.00 +- 35.36 N
Arrival times = 7 S.D. = 0.368 Seismographs = 4
Nearest recorder = 77.2 km Gap = 163.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
22 km S (180 deg) of QUAI
WESTERN AUSTRALIA
148 km E (102 deg) of PERTH
39 km E ( 69 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 1.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB e P 44.70 0.20 0.78 44.60 0.10 77.2 26 3.9 3.9
KLB e S 53.00 0.50 0.59 53.35 -0.35 77.2 26 3.9 3.9
NWAO e P 45.10 0.20 0.78 45.13 -0.03 80.5 190 3.7 3.7
NWAO e S 54.30 0.30 0.65 54.25 0.05 80.5 190 3.7 3.7
MUN e P 50.20 0.20 0.76 50.70 -0.50 114.6 282 2.6 2.6
MUN e S 63.90 0.30 0.63 63.68 0.22 114.6 282 2.6 2.6
BAL e P 61.70 0.50 0.60 61.02 0.68 189.6 339 -42.2 42.2
7 times used, S = 0.368
Deferred Data
BAL e S 84.00 0.50 0.54 82.72 1.28 189.6 339 -40.3 40.3
Velocity Ratios
KLB NWAO MUN
KLB 1.65 0.00 0.00
0.07 0.00 0.00
NWAO 0.00 1.70 0.00
0.00 0.05 0.00
MUN 0.00 0.00 1.75
0.00 0.00 0.04
Date 1993-09-19
Origin Time 2002 30.14 +- 8.67
Zone 52
Easting 328.89 +- 31.45 Longitude 127.403
Northing 8256.56 +- 26.54 Latitude -15.764
Depth 5.00 +- 53.96 N
Arrival times = 9 S.D. = 0.848 Seismographs = 4
Nearest recorder = 146.1 km Gap = 179.6 deg Accuracy = C
Effects Code = Imax = 0 Fault =
146 km W (269 deg) of KNA
WESTERN AUSTRALIA
142 km W (271 deg) of Kununurra
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KNA S-P 17.40 0.10 1.22 17.15 0.25 146.1 89 0.0 0.0
KNA i-P 52.90 0.10 1.22 53.38 -0.48 146.1 89 -30.8 30.8
KNA i S 70.30 0.20 0.96 70.54 -0.24 146.1 89 2.0 2.0
MTN e P 100.50 0.20 0.66 98.57 1.93 515.5 51 -42.2 42.2
MTN e PG 113.30 0.30 0.61 114.24 -0.94 515.5 51 0.6 0.6
MTN e SG 173.00 1.00 0.43 172.54 0.46 515.5 51 0.6 0.6
WRA e P 141.40 0.30 0.58 141.37 0.03 869.2 123 -42.2 42.2
WRA e S 225.50 0.50 0.47 223.98 1.52 869.2 123 -40.3 40.3
MBL e S 252.00 2.00 0.35 251.87 0.13 1001.8 231 -40.3 40.3
9 times used, S = 0.848
Deferred Data
MTN e S 153.30 0.50 0.49 149.46 3.84 515.5 51 -40.3 40.3
WARB e SG 309.00 2.00 0.35 349.64 -40.64 1156.6 183 0.3 0.3
WARB e S 309.00 2.00 0.35 284.49 24.51 1156.6 183 -40.3 40.3
Velocity Ratios
KNA WRA
KNA 1.76 1.75
0.02 0.02
WRA 1.75 1.76
0.02 0.01
Date 1993-09-20
Origin Time 2259 26.54 +- 3.40
Zone 50
Easting 489.28 +- 41.63 Longitude 116.890
Northing 6821.69 +- 33.96 Latitude -28.732
Depth 1.00 +- 67.95 C
Arrival times = 7 S.D. = 0.542 Seismographs = 4
Nearest recorder = 102.4 km Gap = 158.6 deg Accuracy = D
Effects Code = Imax = 0 Fault =
102 km NE ( 58 deg) of MRWA
WESTERN AUSTRALIA
370 km N ( 16 deg) of PERTH
119 km SW (232 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 43.00 0.10 1.26 43.25 -0.25 102.4 237 0.7 0.7
MRWA e S 55.00 0.10 0.79 54.83 0.17 102.4 237 0.7 0.7
BAL e P 59.00 0.10 0.83 58.31 0.69 208.5 184 -42.2 42.2
BAL e S 82.00 0.50 0.54 81.98 0.02 208.5 184 -40.3 40.3
MEEK e P2 71.00 0.20 0.42 69.96 1.04 287.6 36 -30.8 30.8
MEEK e S2 103.20 0.50 0.29 103.36 -0.16 287.6 36 -23.9 23.9
COOL e P 90.00 0.10 0.76 90.61 -0.61 475.5 121 -42.2 42.2
7 times used, S = 0.542
Deferred Data
MEEK e P 71.00 10.00 0.32 67.90 3.10 287.6 36 -42.2 42.2
MEEK e S 103.20 5.00 0.33 98.68 4.52 287.6 36 -40.3 40.3
Velocity Ratios
MRWA BAL
MRWA 1.73 1.69
0.02 0.06
BAL 1.69 1.71
0.06 0.02
Date 1993-09-24
Origin Time 0526 4.79 +- 4.17
Zone 50
Easting 693.15 +- 23.81 Longitude 118.827
Northing 7976.08 +- 174.89 Latitude -18.296
Depth 5.00 +- 216.18 N
Arrival times = 8 S.D. = 0.571 Seismographs = 4
Nearest recorder = 334.2 km Gap = 306.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
258 km N ( 2 deg) of RP02
WESTERN AUSTRALIA
342 km NE ( 41 deg) of Dampier
223 km N ( 7 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 2.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MBL S-P 34.30 0.10 1.13 34.66 -0.36 334.2 161 0.0 0.0
MBL i P 51.50 0.10 1.13 51.31 0.19 334.2 161 -42.2 42.2
MBL i S 85.80 0.10 1.02 85.97 -0.17 334.2 161 -40.3 40.3
NANU i P 81.50 0.10 1.07 81.56 -0.06 584.5 215 -42.2 42.2
NANU e S 138.50 0.20 0.59 138.63 -0.13 584.5 215 -40.3 40.3
MEEK e S 211.50 0.10 0.64 210.20 1.30 924.0 181 -40.3 40.3
MRWA e P 160.00 0.10 0.70 161.23 -1.23 1243.1 192 -42.2 42.2
MRWA e S 277.50 0.10 0.63 277.34 0.16 1243.1 192 -40.3 40.3
8 times used, S = 0.571
Deferred Data
MEEK i P 211.50 0.10 1.02 122.67 88.83 924.0 181 -42.2 42.2
Velocity Ratios
MBL NANU MRWA
MBL 1.73 1.76 1.77
0.01 0.02 0.01
NANU 1.76 1.74 1.77
0.02 0.00 0.01
MRWA 1.77 1.77 1.76
0.01 0.01 0.00
Date 1993-09-24
Origin Time 2246 55.33 +- 14.04
Zone 51
Easting 541.49 +- 314.31 Longitude 123.456
Northing 6105.30 +- 306.21 Latitude -35.194
Depth 5.00 +- 576.89 N
Arrival times = 8 S.D. = 0.517 Seismographs = 6
Nearest recorder = 524.4 km Gap = 316.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
360 km SE (120 deg) of RAVT
792 km SE (119 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 2.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
COOL e P 125.00 0.50 0.55 124.88 0.12 524.4 335 -42.2 42.2
COOL e S 177.00 0.50 0.49 176.60 0.40 524.4 335 -40.3 40.3
NWAO e P 137.00 1.00 0.47 137.31 -0.31 627.4 291 -42.2 42.2
NWAO e S 198.80 0.50 0.48 198.25 0.55 627.4 291 -40.3 40.3
KLB e S 206.00 1.00 0.42 205.92 0.08 663.8 305 -40.3 40.3
MUN e S 227.00 1.00 0.41 226.60 0.40 762.1 296 -40.3 40.3
BAL e S 237.00 1.00 0.41 236.98 0.02 811.3 307 -40.3 40.3
MRWA e S 268.80 0.30 0.51 269.77 -0.97 967.1 311 -40.3 40.3
8 times used, S = 0.517
Deferred Data
NWAO e SMS 214.00 1.00 0.19 217.77 -3.77 627.4 291 -24.2 24.2
Velocity Ratios
COOL NWAO
COOL 1.75 0.00
0.02 0.00
NWAO 0.00 1.76
0.00 0.03
Date 1993-09-26
Origin Time 1847 40.47 +- 1.55
Zone 50
Easting 515.70 +- 11.18 Longitude 117.164
Northing 6602.72 +- 8.87 Latitude -30.708
Depth 3.08 +- 20.94
Arrival times = 6 S.D. = 0.089 Seismographs = 5
Nearest recorder = 4.4 km Gap = 184.6 deg Accuracy = A
Effects Code = Imax = 0 Fault =
2 km NE ( 63 deg) of CAK
WESTERN AUSTRALIA
186 km NE ( 43 deg) of PERTH
8 km NE ( 25 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 1.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
CAA S-P 0.60 0.10 1.58 0.63 -0.03 4.4 196 0.0 0.0
BAL i-P 47.80 0.20 1.17 47.87 -0.07 45.2 284 4.3 4.3
BAL e S 53.20 0.30 0.68 53.00 0.20 45.2 284 4.3 4.3
KLB e P 59.00 0.10 0.87 58.95 0.05 113.2 150 1.7 1.7
MUN e S 86.70 0.40 0.58 86.73 -0.03 167.6 212 -23.9 23.9
MRWA i S2 94.80 0.30 0.48 94.90 -0.10 199.9 325 -23.9 23.9
6 times used, S = 0.089
Deferred Data
CAA P 41.63 0.10 1.56 41.38 0.25 4.4 196 37.7 37.7
MUN e P 67.30 0.30 0.68 66.89 0.41 167.6 212 -30.8 30.8
MRWA e P 72.10 0.10 0.83 70.98 1.12 199.9 325 -42.2 42.2
Velocity Ratios
BAL
BAL 1.74
0.09
Date 1993-09-27
Origin Time 2147 18.46 +- 0.33
Zone 50
Easting 506.13 +- 1.81 Longitude 117.065
Northing 6491.34 +- 2.70 Latitude -31.713
Depth 8.84 +- 6.01
Arrival times = 9 S.D. = 0.163 Seismographs = 5
Nearest recorder = 67.3 km Gap = 94.8 deg Accuracy = A
Effects Code = Imax = 0 Fault =
0 km E ( 76 deg) of ME3
WESTERN AUSTRALIA
118 km E ( 77 deg) of PERTH
11 km SE (151 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 2.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB i-P 29.40 0.10 1.30 29.54 -0.14 67.3 78 7.7 7.7
KLB i S 37.40 0.10 1.17 37.22 0.18 67.3 78 7.7 7.7
MUN i-P 32.60 0.10 1.28 32.60 -0.00 86.2 249 6.0 6.0
MUN i S 42.50 0.10 1.15 42.41 0.09 86.2 249 6.0 6.0
BAL i-P 38.90 0.10 1.23 38.75 0.15 127.3 344 -30.8 30.8
BAL e S 53.30 0.20 0.68 53.72 -0.42 127.3 344 4.1 4.1
NWAO i+P 39.80 0.10 1.23 39.89 -0.09 135.4 173 -30.8 30.8
NWAO e S 55.90 0.20 0.67 55.96 -0.06 135.4 173 -23.9 23.9
MRWA e SMS 96.90 0.20 0.35 96.91 -0.01 294.9 339 -25.3 25.3
9 times used, S = 0.163
Deferred Data
LAK S 39.00 0.50 0.72 38.10 0.90 70.5 256 7.3 7.3
MRWA e P 61.60 0.30 0.64 59.82 1.78 294.9 339 -42.2 42.2
MRWA e S 93.00 1.00 0.45 90.70 2.30 294.9 339 -40.3 40.3
COOL e P 74.00 1.00 0.49 72.46 1.54 399.3 77 -42.2 42.2
COOL e S 114.00 1.00 0.44 112.71 1.29 399.3 77 -40.3 40.3
COOL e SG 128.00 0.50 0.51 128.79 -0.79 399.3 77 1.3 1.3
Velocity Ratios
KLB MUN BAL NWAO
KLB 1.73 1.59 1.67 1.78
0.03 0.17 0.07 0.06
MUN 1.59 1.70 1.71 1.86
0.17 0.02 0.11 0.10
BAL 1.67 1.71 1.70 0.00
0.07 0.11 0.02 0.00
NWAO 1.78 1.86 0.00 1.75
0.06 0.10 0.00 0.02