Data Report
Bulletin / 2023-11
Contributed by CUPWA
Date 2023-11-08
Origin Time 1529 18.79 +- 2.72
Zone 51
Easting 142.58 +- 9.91 Longitude 119.240
Northing 6515.56 +- 9.75 Latitude -31.439
Depth 2.00 +- 25.71 N
Arrival times = 10 S.D. = 0.328 Seismographs = 7
Nearest recorder = 126.8 km Gap = 142.2 deg Accuracy = D
Effects Code = Imax = 0 Fault =
24 km S (199 deg) of STHX
WESTERN AUSTRALIA
326 km E ( 81 deg) of PERTH
Record Dur Sync Unc Resp Seismometer Recorder Pol
COLG 0.00 Seismograph details unknown
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
WATG P 39.20 0.10 1.23 39.48 -0.28 126.8 308 0.9 0.9
WATG S 53.80 1.00 0.70 53.82 -0.02 126.8 308 0.9 0.9
KLBR P 41.55 0.20 1.06 41.77 -0.22 142.4 262 -30.8 30.8
KLBR S 57.90 1.00 0.69 58.12 -0.22 142.4 262 0.9 0.9
COR2 P 44.40 0.20 1.05 43.98 0.42 158.2 242 -30.8 30.8
COR2 S 62.40 1.00 0.69 62.49 -0.09 158.2 242 0.8 0.8
AKUL P 45.70 0.20 1.05 45.79 -0.09 171.1 216 -30.8 30.8
BCON P 48.50 0.20 1.04 47.86 0.64 187.1 310 -42.2 42.2
COLG P 48.30 0.20 1.04 48.48 -0.18 192.1 74 -42.2 42.2
PINW P 54.40 0.20 1.01 54.43 -0.03 241.6 240 -42.2 42.2
10 times used, S = 0.328
Deferred Data
STHX S-P 4.25 3.00 0.71 2.80 1.45 24.6 19 0.0 0.0
STHX P 22.13 1.00 0.89 22.83 -0.70 24.6 19 5.3 5.3
AKUL S 65.03 0.20 0.94 66.06 -1.03 171.1 216 0.8 0.8
BCON S 70.20 1.00 0.68 69.55 0.65 187.1 310 -40.3 40.3
COLG S 69.90 1.00 0.68 70.62 -0.72 192.1 74 -40.3 40.3
PINW SG 85.40 1.00 0.66 85.53 -0.13 241.6 240 0.5 0.5
Velocity Ratios
WATG KLBR COR2
WATG 1.72 0.00 0.00
0.06 0.00 0.00
KLBR 0.00 1.72 0.00
0.00 0.06 0.00
COR2 0.00 0.00 1.70
0.00 0.00 0.05
Date 2023-11-10
Origin Time 0509 21.26 +- 5.06
Zone 50
Easting 498.37 +- 158.07 Longitude 116.982
Northing 6308.04 +- 102.09 Latitude -33.367
Depth 3.07 +- 69.42
Arrival times = 5 S.D. = 0.017 Seismographs = 4
Nearest recorder = 2.3 km Gap = 151.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
1 km SE (146 deg) of AJ01
WESTERN AUSTRALIA
199 km NW (335 deg) of ALBANY
190 km SE (146 deg) of PERTH
5 km SW (247 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
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
ARV4 i P 21.90 0.03 2.07 21.89 0.01 2.3 233 53.6 53.6
ARV4 i S 22.28 0.40 1.11 22.32 -0.03 2.3 233 53.6 53.6
AJ02 i P 21.95 0.10 1.61 21.95 0.00 2.9 40 46.7 46.7
NWAO P 30.10 0.10 1.33 30.11 -0.01 54.1 25 3.5 3.5
RKGY P 43.50 0.20 1.07 43.51 -0.01 137.8 180 -30.8 30.8
5 times used, S = 0.017
Deferred Data
AJ01 S-P 3.00 3.00 0.84 0.37 2.63 1.1 326 0.0 0.0
NWAO S 36.36 1.00 0.75 36.24 0.12 54.1 25 3.5 3.5
ONGR P 43.90 0.20 1.06 44.13 -0.23 142.2 113 -30.8 30.8
KLBR P 53.30 0.30 0.95 52.96 0.34 209.7 20 -42.2 42.2
Velocity Ratios
ARV4
ARV4 1.60
0.74
Date 2023-11-10
Origin Time 0509 20.99 +- 5.31
Zone 50
Easting 498.80 +- 86.96 Longitude 116.987
Northing 6308.54 +- 69.41 Latitude -33.362
Depth 3.66 +- 62.66
Arrival times = 5 S.D. = 0.035 Seismographs = 4
Nearest recorder = 2.2 km Gap = 154.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
1 km SE (112 deg) of AJ01
WESTERN AUSTRALIA
199 km NW (336 deg) of ALBANY
189 km SE (146 deg) of PERTH
4 km W (251 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AJ02 0.00 Seismograph details unknown
ARV4 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ02 S-P 0.45 0.20 1.42 0.44 0.01 2.2 40 0.0 0.0
ARV4 i P 21.90 0.03 2.05 21.87 0.03 2.9 230 46.2 56.3
ARV4 i S 22.29 0.30 1.16 22.35 -0.07 2.9 230 49.2 53.4
NWAO P 30.10 0.10 1.33 30.11 -0.01 53.5 25 -20.5 41.3
ONGR P 43.94 0.20 1.06 43.95 -0.01 142.0 113 -20.5 41.3
5 times used, S = 0.035
Deferred Data
AJ02 i P 22.96 0.10 1.62 21.80 1.16 2.2 40 54.4 62.2
NWAO S 36.36 1.00 0.75 36.07 0.29 53.5 25 1.9 24.2
RKGY P 43.50 0.20 1.07 43.37 0.13 138.3 180 -20.5 41.3
RKGY S 58.90 1.00 0.70 58.59 0.31 138.3 180 -16.6 29.0
ONGR S 60.70 1.00 0.69 59.57 1.13 142.0 113 -16.6 29.0
Velocity Ratios
ARV4
ARV4 1.42
0.39
Date 2023-11-11
Origin Time 0153 15.61 +- 1.63
Zone 50
Easting 604.32 +- 17.22 Longitude 118.113
Northing 6383.75 +- 9.54 Latitude -32.679
Depth 11.04 +- 32.01
Arrival times = 7 S.D. = 0.195 Seismographs = 6
Nearest recorder = 86.8 km Gap = 184.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
3 km W (255 deg) of AKUL
WESTERN AUSTRALIA
258 km N ( 5 deg) of ALBANY
228 km E (111 deg) of PERTH
45 km SE (150 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 2.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NWAO P 29.74 0.10 1.28 29.78 -0.04 86.8 251 3.4 41.4
PINW P 33.10 0.10 1.25 32.85 0.25 106.7 281 2.7 41.4
KLBR P 35.60 0.10 1.24 35.78 -0.18 125.2 344 2.2 41.4
KLBR S 49.70 1.00 0.70 49.52 0.18 125.2 344 2.3 29.1
ARV4 P 36.60 0.20 1.07 36.87 -0.27 132.5 233 2.1 41.4
ONGR P 37.30 0.20 1.07 37.15 0.15 134.0 168 2.1 41.4
MUN P 45.20 0.20 1.03 45.19 0.01 195.3 293 -38.2 53.8
7 times used, S = 0.195
Deferred Data
NWAO S 40.50 1.00 0.72 39.35 1.15 86.8 251 3.7 29.2
PINW S 46.00 1.00 0.71 44.58 1.42 106.7 281 2.8 29.2
ARV4 S 53.10 1.00 0.70 51.41 1.69 132.5 233 2.2 29.1
WATG P 45.50 0.30 0.95 47.70 -2.20 215.9 2 -38.2 53.8
BLDU P 52.96 0.30 0.93 53.75 -0.79 264.9 329 -38.2 53.8
Velocity Ratios
KLBR
KLBR 1.71
0.06
Date 2023-11-11
Origin Time 1229 43.82 +- 48.36
Zone 50
Easting 581.91 +- 10.33 Longitude 117.883
Northing 6279.32 +- 11.51 Latitude -33.623
Depth 2.00 +- 362.36 N
Arrival times = 8 S.D. = 0.177 Seismographs = 5
Nearest recorder = 54.5 km Gap = 106.3 deg Accuracy = C
Effects Code = Imax = 0 Fault =
26 km SE (147 deg) of DBYG
WESTERN AUSTRALIA
266 km SE (135 deg) of PERTH
153 km N ( 0 deg) of ALBANY
32 km E ( 78 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 2.1
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
ONGR P 53.01 0.10 1.33 53.21 -0.20 54.5 119 -36.7 36.7
ONGR S 59.40 1.00 0.75 59.19 0.21 54.5 119 -24.2 24.2
ARV4 P 58.60 0.10 1.27 58.66 -0.06 89.7 287 -41.3 41.3
NWAO P 59.90 0.10 1.26 60.01 -0.11 98.1 321 -41.3 41.3
NWAO S 70.90 1.00 0.72 70.89 0.01 98.1 321 -29.0 29.0
AKUL P 61.90 0.20 1.09 61.67 0.23 108.6 13 -41.3 41.3
AKUL S 73.70 1.00 0.71 73.69 0.01 108.6 13 -29.0 29.0
RKGY P 66.40 0.20 1.07 66.20 0.20 137.7 216 -41.3 41.3
8 times used, S = 0.177
Deferred Data
ARV4 S 69.40 1.00 0.72 68.63 0.77 89.7 287 -29.0 29.0
MEKS P 59.32 0.20 1.02 78.26 -18.94 227.2 339 -53.8 53.8
Velocity Ratios
ONGR NWAO AKUL
ONGR 1.70 0.00 0.00
0.13 0.00 0.00
NWAO 0.00 1.68 0.00
0.00 0.07 0.00
AKUL 0.00 0.00 1.65
0.00 0.00 0.07