Data Report
Bulletin / 2023-10
Contributed by CUPWA
Date 2023-10-09
Origin Time 0845 42.76 +- 1.62
Zone 50
Easting 572.24 +- 5.78 Longitude 117.751
Northing 6651.28 +- 11.30 Latitude -30.268
Depth 2.00 +- 8.29 N
Arrival times = 11 S.D. = 0.435 Seismographs = 9
Nearest recorder = 7.7 km Gap = 192.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
7 km N (349 deg) of BENW
WESTERN AUSTRALIA
260 km NE ( 45 deg) of PERTH
23 km NW (330 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 3.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BCON P 43.60 0.10 1.53 44.06 -0.46 7.7 169 16.7 16.7
BCON S 44.80 1.00 0.87 44.97 -0.17 7.7 169 16.7 16.7
WATG P 53.50 0.10 1.30 53.70 -0.20 67.0 140 1.8 1.8
BLDU P 60.00 0.20 1.09 60.23 -0.23 107.1 248 1.3 1.3
BLDU S 72.20 1.00 0.71 72.34 -0.14 107.1 248 1.3 1.3
KLBR S 83.30 1.00 0.69 83.29 0.01 146.7 179 0.9 0.9
COR2 P 74.05 0.10 1.18 73.56 0.49 201.5 179 -42.2 42.2
MORW P 74.70 0.20 1.03 74.89 -0.19 212.4 308 -42.2 42.2
PINW P 80.55 0.10 1.16 80.06 0.49 255.3 195 -42.2 42.2
NWAO P 85.30 0.20 0.99 85.33 -0.03 298.8 189 -42.2 42.2
ONGR P 98.90 0.30 0.89 97.96 0.94 403.2 171 -42.2 42.2
11 times used, S = 0.435
Deferred Data
WATG S 61.50 1.00 0.74 61.28 0.22 67.0 140 1.8 1.8
STHX P 72.75 2.00 0.66 71.54 1.21 184.7 125 -42.2 42.2
STHX S 94.00 1.00 0.68 93.02 0.98 184.7 125 -40.3 40.3
COR2 S 97.50 1.00 0.67 96.54 0.96 201.5 179 -40.3 40.3
ARV4 P 93.00 0.30 0.90 91.83 1.17 352.8 191 -42.2 42.2
ARV4 S 128.90 1.00 0.64 128.35 0.55 352.8 191 -40.3 40.3
Velocity Ratios
BCON BLDU
BCON 2.42 1.67
1.67 0.16
BLDU 1.67 1.71
0.16 0.08
Date 2023-10-09
Origin Time 1840 54.14 +- 2.44
Zone 50
Easting 571.37 +- 13.93 Longitude 117.742
Northing 6649.64 +- 23.66 Latitude -30.283
Depth 2.00 +- 17.74 N
Arrival times = 7 S.D. = 0.257 Seismographs = 5
Nearest recorder = 6.3 km Gap = 190.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
6 km N (339 deg) of BENW
WESTERN AUSTRALIA
258 km NE ( 45 deg) of PERTH
22 km NW (326 deg) of Beacon
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
BCON P 54.92 0.10 1.54 55.23 -0.31 6.3 159 20.1 20.1
BCON S 56.10 1.00 0.88 55.99 0.11 6.3 159 20.1 20.1
WATG P 65.00 0.10 1.30 64.96 0.04 66.3 138 1.8 1.8
WATG S 72.70 1.00 0.74 72.47 0.23 66.3 138 1.8 1.8
BLDU P 71.32 0.20 1.09 71.38 -0.06 105.7 249 1.3 1.3
KLBR P 77.90 0.20 1.06 77.49 0.41 145.1 179 -30.8 30.8
MORW P 86.40 0.20 1.03 86.31 0.09 212.8 308 -42.2 42.2
7 times used, S = 0.257
Deferred Data
BLDU S 83.70 1.00 0.71 83.34 0.36 105.7 249 1.3 1.3
Velocity Ratios
BCON WATG
BCON 2.51 0.00
1.84 0.00
WATG 0.00 1.71
0.00 0.11
Date 2023-10-10
Origin Time 2000 22.31 +- 0.95
Zone 50
Easting 525.07 +- 6.45 Longitude 117.265
Northing 6462.73 +- 7.26 Latitude -31.971
Depth 3.02 +- 28.73
Arrival times = 8 S.D. = 0.161 Seismographs = 6
Nearest recorder = 48.0 km Gap = 105.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
2 km N (343 deg) of QUW
WESTERN AUSTRALIA
134 km E ( 91 deg) of PERTH
36 km NE ( 63 deg) of Beverley
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
COR2 P 29.94 0.10 1.34 30.15 -0.21 48.0 105 4.0 4.0
COR2 S 35.90 1.00 0.76 35.58 0.32 48.0 105 4.0 4.0
KLBR P 32.53 0.10 1.31 32.53 0.00 62.6 47 3.1 3.1
KLBR S 39.60 1.00 0.74 39.62 -0.02 62.6 47 3.1 3.1
MUN P 38.70 0.20 1.10 38.61 0.09 99.9 269 1.9 1.9
NWAO P 39.50 0.10 1.25 39.60 -0.10 106.0 181 1.8 1.8
AKUL P 41.10 0.20 1.08 40.89 0.21 113.9 133 1.7 1.7
BCON P 51.30 0.20 1.04 51.30 0.00 187.4 14 -42.2 42.2
8 times used, S = 0.161
Deferred Data
MUN S 50.30 1.00 0.72 49.91 0.39 99.9 269 1.9 1.9
NWAO S 51.90 1.00 0.71 51.59 0.31 106.0 181 1.8 1.8
WATG P 48.80 0.20 1.05 48.14 0.66 163.5 32 -30.8 30.8
Velocity Ratios
COR2 KLBR
COR2 1.78 0.00
0.16 0.00
KLBR 0.00 1.69
0.00 0.12
Date 2023-10-19
Origin Time 0150 19.26 +- 0.76
Zone 50
Easting 601.74 +- 10.33 Longitude 118.060
Northing 6622.77 +- 8.15 Latitude -30.523
Depth 2.00 +- 8.64 N
Arrival times = 14 S.D. = 0.216 Seismographs = 9
Nearest recorder = 26.7 km Gap = 177.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
20 km SE (113 deg) of BEAC
WESTERN AUSTRALIA
263 km NE ( 54 deg) of PERTH
20 km SE (114 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 3.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
WATG P 23.50 0.10 1.40 23.63 -0.13 26.7 150 4.5 4.5
WATG S 26.50 1.00 0.80 26.66 -0.16 26.7 150 4.5 4.5
BCON P 24.84 0.10 1.37 25.01 -0.17 35.1 306 3.7 3.7
BCON S 29.10 1.00 0.78 28.99 0.11 35.1 306 3.7 3.7
KLBR P 39.00 0.10 1.24 39.16 -0.16 122.0 193 1.1 1.1
KLBR S 52.90 1.00 0.70 52.96 -0.06 122.0 193 1.1 1.1
STHX P 43.01 2.00 0.67 42.50 0.51 144.2 123 -30.8 30.8
COR2 P 47.01 0.10 1.20 46.90 0.11 175.6 189 -30.8 30.8
COR2 S 67.60 1.00 0.68 67.61 -0.01 175.6 189 -40.3 40.3
MUN P 54.65 0.30 0.94 54.61 0.04 239.0 226 -42.2 42.2
PINW P 55.00 0.10 1.17 54.60 0.40 239.1 204 -42.2 42.2
NWAO P 59.10 0.30 0.92 59.29 -0.19 277.7 196 -42.2 42.2
DBYG P 64.90 0.20 0.99 64.76 0.14 323.0 185 -42.2 42.2
DBYG S 98.50 1.00 0.64 98.63 -0.13 323.0 185 -40.3 40.3
14 times used, S = 0.216
Deferred Data
STHX S 60.30 1.00 0.69 59.11 1.19 144.2 123 0.9 0.9
PINW SG 84.50 1.00 0.66 85.31 -0.81 239.1 204 0.5 0.5
Velocity Ratios
WATG BCON KLBR COR2 DBYG
WATG 1.71 0.00 1.70 1.75 1.74
0.28 0.00 0.15 0.10 0.06
BCON 0.00 1.76 1.68 1.74 1.73
0.00 0.21 0.17 0.11 0.06
KLBR 1.70 1.68 1.70 0.00 1.76
0.15 0.17 0.06 0.00 0.10
COR2 1.75 1.74 0.00 1.74 1.73
0.10 0.11 0.00 0.04 0.14
DBYG 1.74 1.73 1.76 1.73 1.74
0.06 0.06 0.10 0.14 0.03
Date 2023-10-21
Origin Time 0302 55.79 +- 4.20
Zone 50
Easting 713.28 +- 22.72 Longitude 119.289
Northing 6319.71 +- 15.10 Latitude -33.240
Depth 2.00 +- 37.46 N
Arrival times = 8 S.D. = 0.082 Seismographs = 4
Nearest recorder = 108.0 km Gap = 289.3 deg Accuracy = D
Effects Code = Imax = 0 Fault =
69 km NE ( 64 deg) of PIN
WESTERN AUSTRALIA
353 km SE (115 deg) of PERTH
235 km NE ( 34 deg) of ALBANY
40 km SW (243 deg) of Lake King
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
ONGR P 73.32 0.10 1.25 73.41 -0.09 108.0 229 1.2 1.2
ONGR S 85.70 1.00 0.71 85.63 0.07 108.0 229 1.2 1.2
AKUL P 76.00 0.10 1.24 75.97 0.03 123.7 300 1.1 1.1
AKUL S 89.90 1.00 0.70 89.97 -0.07 123.7 300 1.1 1.1
GNOT P 78.70 0.50 0.89 78.70 -0.00 141.9 236 -30.8 30.8
GNOT S 95.10 1.00 0.69 94.99 0.11 141.9 236 0.9 0.9
DBYG P 79.40 0.20 1.06 79.31 0.09 146.2 261 -30.8 30.8
DBYG S 96.10 1.00 0.69 96.19 -0.09 146.2 261 0.9 0.9
8 times used, S = 0.082
Deferred Data
NWAO P 86.82 0.20 1.04 85.82 1.00 195.0 279 -42.2 42.2
NWAO S 108.80 1.00 0.68 108.22 0.58 195.0 279 -40.3 40.3
ARV4 P 90.10 0.20 1.03 88.46 1.64 217.1 265 -42.2 42.2
PINW P 92.90 0.20 1.02 90.05 2.85 230.1 290 -42.2 42.2
KLBR P 92.72 0.20 1.02 90.41 2.31 232.9 321 -42.2 42.2
RKGY P 95.40 0.20 1.01 93.94 1.46 262.1 233 -42.2 42.2
Velocity Ratios
ONGR AKUL GNOT DBYG
ONGR 1.71 0.00 0.00 0.00
0.07 0.00 0.00 0.00
AKUL 0.00 1.69 0.00 0.00
0.00 0.06 0.00 0.00
GNOT 0.00 0.00 1.72 0.00
0.00 0.00 0.08 0.00
DBYG 0.00 0.00 0.00 1.71
0.00 0.00 0.00 0.06