Data Report
Bulletin / 1995-05
Contributed by CUPWA
Date 1995-05-09
Origin Time 0710 20.64 +- 8.09
Zone 50
Easting 565.25 +- 28.31 Longitude 117.679
Northing 6637.95 +- 29.50 Latitude -30.389
Depth 5.00 +- 52.18 N
Arrival times = 7 S.D. = 0.823 Seismographs = 4
Nearest recorder = 96.4 km Gap = 228.4 deg Accuracy = B
Effects Code = Imax = 0 Fault =
7 km NW (297 deg) of BEAW
WESTERN AUSTRALIA
246 km NE ( 46 deg) of PERTH
20 km W (290 deg) of Beacon
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 35.50 0.20 0.77 36.40 -0.90 96.4 255 3.1 3.1
BAL e S 48.50 0.40 0.60 47.32 1.18 96.4 255 3.1 3.1
KLB e P 42.20 0.20 0.75 42.14 0.06 133.6 176 -30.8 30.8
KLB i S 57.80 0.30 0.89 57.57 0.23 133.6 176 2.3 2.3
MRWA e P2 53.90 0.30 0.40 52.57 1.33 208.0 308 -30.8 30.8
MRWA e S 75.00 1.00 0.47 75.28 -0.28 208.0 308 -40.3 40.3
MUN i S2 80.20 0.20 0.51 81.22 -1.02 225.1 217 -23.9 23.9
7 times used, S = 0.823
Deferred Data
MRWA i P 53.90 0.30 0.95 51.92 1.98 208.0 308 -42.2 42.2
NWAO e S2 97.70 0.50 0.25 96.21 1.49 284.5 188 -23.9 23.9
Velocity Ratios
BAL KLB
BAL 1.88 1.39
0.05 0.20
KLB 1.39 1.72
0.20 0.03
Date 1995-05-15
Origin Time 2229 34.87 +- 12.15
Zone 50
Easting 755.20 +- 66.13 Longitude 120.102
Northing 5297.31 +- 495.67 Latitude -42.434
Depth 5.00 +- 629.63 N
Arrival times = 13 S.D. = 1.798 Seismographs = 7
Nearest recorder = 913.4 km Gap = 310.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
913 km S (163 deg) of RKG
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 4.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
RKG e P 150.30 0.20 0.62 151.44 -1.14 913.4 341 -42.2 42.2
RKG e S 235.40 0.30 0.52 238.01 -2.61 913.4 341 -40.3 40.3
NWAO e P 173.00 0.30 0.56 172.17 0.83 1084.9 345 -42.2 42.2
NWAO e S 275.00 1.00 0.40 274.10 0.90 1084.9 345 -40.3 40.3
MUN e P 186.50 0.50 0.51 187.32 -0.82 1210.2 342 -42.2 42.2
MUN e S 301.00 1.00 0.40 300.48 0.52 1210.2 342 -40.3 40.3
KLB e P 189.50 0.50 0.51 188.64 0.86 1221.1 349 -42.2 42.2
KLB e S 306.00 2.00 0.35 302.77 3.23 1221.1 349 -40.3 40.3
WOOL e P 195.70 1.00 0.44 194.56 1.14 1270.1 6 -42.2 42.2
WOOL e S 309.60 1.00 0.40 313.09 -3.49 1270.1 6 -40.3 40.3
FORT e P 220.90 0.50 0.51 220.05 0.85 1481.0 31 -42.2 42.2
MRWA e P 223.00 0.50 0.51 223.80 -0.80 1511.9 344 -42.2 42.2
MRWA e S 367.00 0.50 0.46 363.99 3.01 1511.9 344 -40.3 40.3
13 times used, S = 1.798
Velocity Ratios
RKG NWAO MUN KLB WOOL MRWA
RKG 1.74 1.74 1.81 1.80 1.63 1.81
0.01 0.10 0.07 0.09 0.07 0.03
NWAO 1.74 1.74 0.00 0.00 1.52 1.84
0.10 0.01 0.00 0.00 0.19 0.06
MUN 1.81 0.00 1.76 0.00 0.00 1.81
0.07 0.00 0.01 0.00 0.00 0.09
KLB 1.80 0.00 0.00 1.75 0.00 1.82
0.09 0.00 0.00 0.02 0.00 0.13
WOOL 1.63 1.52 0.00 0.00 1.71 2.10
0.07 0.19 0.00 0.00 0.02 0.18
MRWA 1.81 1.84 1.81 1.82 2.10 1.77
0.03 0.06 0.09 0.13 0.18 0.01
Date 1995-05-18
Origin Time 0534 8.65 +- 1.11
Zone 50
Easting 549.38 +- 12.32 Longitude 117.526
Northing 6402.98 +- 5.18 Latitude -32.509
Depth 1.13 +- 39.37
Arrival times = 7 S.D. = 0.135 Seismographs = 4
Nearest recorder = 53.8 km Gap = 198.2 deg Accuracy = A
Effects Code = Imax = 0 Fault =
45 km SW (206 deg) of COR1
WESTERN AUSTRALIA
278 km N (353 deg) of ALBANY
170 km E (112 deg) of PERTH
38 km SW (238 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 1.9
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NWAO e P 17.30 0.10 0.93 17.43 -0.13 53.8 210 1.5 1.5
NWAO e S 23.60 0.10 0.84 23.51 0.09 53.8 210 1.5 1.5
KLB e P 25.80 0.30 0.71 25.64 0.16 104.1 12 0.8 0.8
KLB e S 37.40 0.30 0.64 37.41 -0.01 104.1 12 0.8 0.8
MUN e P 31.00 0.50 0.62 31.00 0.00 137.4 295 -30.8 30.8
MUN e S 46.70 0.30 0.62 46.60 0.10 137.4 295 0.6 0.6
BAL e SG 70.50 0.50 0.54 70.74 -0.24 224.7 339 0.4 0.4
7 times used, S = 0.135
Deferred Data
KLB e S2 39.80 0.30 0.35 39.10 0.70 104.1 12 -23.9 23.9
KLB e SN 40.50 0.30 0.42 42.10 -1.60 104.1 12 -40.3 40.3
MRWA e SG 116.00 0.50 0.51 117.21 -1.21 393.0 337 0.2 0.2
Velocity Ratios
NWAO KLB MUN
NWAO 1.73 1.62 1.69
0.03 0.13 0.11
KLB 1.62 1.68 0.00
0.13 0.05 0.00
MUN 1.69 0.00 1.70
0.11 0.00 0.05
Date 1995-05-19
Origin Time 1942 50.22 +- 7.82
Zone 51
Easting 301.05 +- 75.98 Longitude 121.139
Northing 8212.07 +- 110.57 Latitude -16.164
Depth 5.00 +- 183.67 N
Arrival times = 8 S.D. = 0.768 Seismographs = 5
Nearest recorder = 525.2 km Gap = 269.7 deg Accuracy = D
Effects Code = Imax = 0 Fault =
524 km NW (293 deg) of FITZ
WESTERN AUSTRALIA
231 km NW (330 deg) of BROOME
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
FITX e P 119.90 0.50 0.55 119.81 0.09 525.2 114 -42.2 42.2
FITX i S 171.70 0.30 0.78 171.56 0.14 525.2 114 -40.3 40.3
MEEK e P 200.30 0.50 0.51 200.25 0.05 1189.9 192 -42.2 42.2
WARB e P 208.80 0.50 0.51 207.21 1.59 1247.6 153 -42.2 42.2
WARB e S 323.50 1.00 0.40 323.73 -0.23 1247.6 153 -40.3 40.3
WR2 e P 233.90 0.50 0.51 233.84 0.06 1467.8 108 -42.2 42.2
WR2 e S 368.80 1.00 0.40 370.09 -1.29 1467.8 108 -40.3 40.3
MRWA e P 242.00 0.30 0.56 242.81 -0.81 1542.1 199 -42.2 42.2
8 times used, S = 0.768
Deferred Data
MRWA e S 379.00 0.50 0.46 385.71 -6.71 1542.1 199 -40.3 40.3
Velocity Ratios
FITX WARB WR2
FITX 1.74 1.71 1.73
0.02 0.03 0.03
WARB 1.71 1.72 1.80
0.03 0.01 0.16
WR2 1.73 1.80 1.73
0.03 0.16 0.01
Date 1995-05-23
Origin Time 1213 55.70 +- 6.42
Zone 50
Easting 616.03 +- 39.10 Longitude 118.247
Northing 6305.83 +- 46.54 Latitude -33.380
Depth 5.00 +- 54.48 N
Arrival times = 7 S.D. = 0.574 Seismographs = 4
Nearest recorder = 107.1 km Gap = 310.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
37 km NW (293 deg) of PIN
WESTERN AUSTRALIA
275 km SE (126 deg) of PERTH
183 km N ( 11 deg) of ALBANY
37 km SW (214 deg) of Lake Grace
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
NWAO e P 73.00 0.10 0.88 73.19 -0.19 107.1 297 2.8 2.8
NWAO e S 85.40 0.20 0.69 85.33 0.07 107.1 297 2.8 2.8
KLB e P 86.00 0.30 0.67 86.43 -0.43 203.5 346 -42.2 42.2
KLB e S 109.40 0.20 0.65 109.38 0.02 203.5 346 -40.3 40.3
MUN e P 92.50 0.50 0.59 91.60 0.90 246.4 308 -42.2 42.2
MUN e S2 120.30 0.50 0.30 121.64 -1.34 246.4 308 -23.9 23.9
BAL e S2 146.50 0.50 0.29 145.33 1.17 340.2 334 -23.9 23.9
7 times used, S = 0.574
Deferred Data
MUN e S 120.30 0.50 0.53 118.40 1.90 246.4 308 -40.3 40.3
Velocity Ratios
NWAO KLB
NWAO 1.72 1.85
0.02 0.09
KLB 1.85 1.77
0.09 0.02
Date 1995-05-27
Origin Time 0454 30.40 +- 6.12
Zone 50
Easting 505.67 +- 45.87 Longitude 117.059
Northing 6589.05 +- 37.20 Latitude -30.832
Depth 4.19 +- 90.15
Arrival times = 12 S.D. = 4.385 Seismographs = 7
Nearest recorder = 12.9 km Gap = 99.3 deg Accuracy = A
Effects Code = Imax = 0 Fault =
7 km W (251 deg) of CAS
WESTERN AUSTRALIA
169 km NE ( 43 deg) of PERTH
4 km NW (298 deg) of Manmanning
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
CAA S-P 1.43 5.00 0.67 1.55 -0.12 12.9 42 0.0 0.0
BAL i P 37.40 0.10 1.35 37.28 0.12 42.0 306 6.1 6.1
BAL i S 42.00 0.10 1.22 42.06 -0.06 42.0 306 6.1 6.1
GOO S-P 7.40 0.20 1.14 7.41 -0.01 65.4 197 0.0 0.0
KLB i P 37.60 0.10 1.44 47.95 -10.35 107.5 141 2.4 2.4
KLB i P 48.10 0.10 1.25 47.95 0.15 107.5 141 2.4 2.4
KLB i S 59.90 0.20 0.98 60.12 -0.22 107.5 141 2.4 2.4
MUN i P 54.30 0.10 1.22 54.35 -0.05 150.7 212 -30.8 30.8
MUN i S 72.00 0.10 1.09 72.04 -0.04 150.7 212 1.7 1.7
MRWA i P2 62.30 0.10 0.71 62.12 0.18 206.1 330 -30.8 30.8
MRWA i S2 85.60 0.20 0.51 86.27 -0.67 206.1 330 -23.9 23.9
NWAO i P2 65.80 0.10 0.70 65.85 -0.05 232.8 176 -30.8 30.8
12 times used, S = 4.385
Deferred Data
CAS S-P 5.00 5.00 0.70 0.97 4.03 7.4 70 0.0 0.0
CAA P 32.97 0.10 1.47 32.63 0.34 12.9 42 19.2 19.2
CAA S 34.41 0.10 1.33 34.18 0.23 12.9 42 19.2 19.2
GOO P 41.50 0.50 0.95 41.09 0.41 65.4 197 3.9 3.9
MRWA i P 62.30 0.10 1.18 61.53 0.77 206.1 330 -42.2 42.2
MRWA i S 85.60 0.20 0.93 84.77 0.83 206.1 330 -40.3 40.3
NWAO i P 65.80 0.10 1.17 64.75 1.05 232.8 176 -42.2 42.2
NWAO i S2 93.20 0.10 0.58 93.00 0.20 232.8 176 -23.9 23.9
NWAO i S 93.20 0.10 1.05 90.39 2.81 232.8 176 -40.3 40.3
Velocity Ratios
BAL KLB MUN
BAL 1.66 0.00 1.78
0.04 0.00 0.03
KLB 0.00 4.10 0.72
0.00 0.09 0.03
MUN 1.78 0.72 1.74
0.03 0.03 0.01
Date 1995-05-27
Origin Time 2309 34.17 +- 2.22
Zone 50
Easting 589.60 +- 11.96 Longitude 117.944
Northing 6510.48 +- 4.88 Latitude -31.537
Depth 5.00 +- 7.20 N
Arrival times = 8 S.D. = 0.261 Seismographs = 4
Nearest recorder = 18.5 km Gap = 252.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
18 km E ( 70 deg) of KLB
WESTERN AUSTRALIA
204 km E ( 78 deg) of PERTH
24 km NE ( 64 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 i P 37.60 0.10 1.44 37.30 0.30 18.5 250 16.0 16.0
KLB i S 39.50 0.10 1.29 39.48 0.02 18.5 250 16.0 16.0
BAL e P 59.00 0.10 0.85 58.90 0.10 156.7 310 -30.8 30.8
BAL e S 77.30 0.10 0.76 77.47 -0.17 156.7 310 -23.9 23.9
NWAO e P 60.40 0.10 0.84 60.47 -0.07 168.0 203 -30.8 30.8
NWAO e S 80.20 0.10 0.76 80.31 -0.11 168.0 203 -23.9 23.9
MUN e P 60.50 0.10 0.84 60.97 -0.47 171.5 252 -30.8 30.8
MUN e S 80.80 0.10 0.76 81.10 -0.30 171.5 252 -40.3 40.3
8 times used, S = 0.261
Velocity Ratios
KLB BAL NWAO MUN
KLB 1.55 1.77 1.79 1.80
0.08 0.03 0.02 0.02
BAL 1.77 1.74 0.00 0.00
0.03 0.01 0.00 0.00
NWAO 1.79 0.00 1.75 0.00
0.02 0.00 0.01 0.00
MUN 1.80 0.00 0.00 1.77
0.02 0.00 0.00 0.01
Date 1995-05-28
Origin Time 1346 0.81 +- 1.45
Zone 50
Easting 537.94 +- 22.17 Longitude 117.408
Northing 6295.63 +- 5.31 Latitude -33.478
Depth 5.00 +- 12.81 N
Arrival times = 8 S.D. = 0.284 Seismographs = 4
Nearest recorder = 63.3 km Gap = 187.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
39 km E ( 70 deg) of BEAU
WESTERN AUSTRALIA
224 km SE (140 deg) of PERTH
174 km N (346 deg) of ALBANY
26 km NW (330 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 1.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NWAO e P 11.00 0.30 0.74 11.16 -0.16 63.3 345 4.8 4.8
NWAO e S 17.90 0.30 0.66 18.35 -0.45 63.3 345 4.8 4.8
RKG i P 21.30 0.30 0.99 21.31 -0.01 126.5 196 -30.8 30.8
RKG e S 35.70 0.10 0.78 35.78 -0.08 126.5 196 2.4 2.4
MUN i P 31.50 0.30 0.95 31.19 0.31 200.7 325 -42.2 42.2
MUN e S 54.00 0.20 0.65 53.89 0.11 200.7 325 -40.3 40.3
KLB w P 32.00 1.00 0.53 32.53 -0.53 211.7 9 -42.2 42.2
KLB e S 56.50 0.10 0.74 56.21 0.29 211.7 9 -40.3 40.3
8 times used, S = 0.284
Velocity Ratios
NWAO RKG MUN KLB
NWAO 1.68 1.73 1.76 1.84
0.08 0.15 0.08 0.14
RKG 1.73 1.70 1.79 0.00
0.15 0.03 0.14 0.00
MUN 1.76 1.79 1.73 0.00
0.08 0.14 0.02 0.00
KLB 1.84 0.00 0.00 1.79
0.14 0.00 0.00 0.06