Data Report
Bulletin / 2022-10
Contributed by CUPWA
Date 2022-10-05
Origin Time 0730 11.37 +- 5.02
Zone 50
Easting 645.81 +- 59.85 Longitude 118.570
Northing 6288.29 +- 21.12 Latitude -33.535
Depth 2.00 +- 68.40 N
Arrival times = 6 S.D. = 0.278 Seismographs = 4
Nearest recorder = 39.9 km Gap = 226.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
4 km SW (243 deg) of PIN
WESTERN AUSTRALIA
310 km SE (125 deg) of PERTH
175 km N ( 22 deg) of ALBANY
49 km S (169 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 2.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
ONGR P 17.90 0.10 1.36 17.89 0.01 39.9 203 3.3 3.3
AKUL P 27.93 0.10 1.26 28.27 -0.34 103.5 337 1.3 1.3
AKUL S 40.20 1.00 0.71 39.98 0.22 103.5 337 1.3 1.3
NWAO P 34.20 0.20 1.06 34.25 -0.05 141.7 298 -30.8 30.8
NWAO S 50.50 1.00 0.69 50.51 -0.01 141.7 298 0.9 0.9
COR2 P 39.75 0.20 1.04 39.33 0.42 177.9 334 -30.8 30.8
6 times used, S = 0.278
Deferred Data
ARV4 P 36.50 0.20 1.06 35.45 1.05 150.4 276 -30.8 30.8
ARV4 S 53.70 1.00 0.69 52.92 0.78 150.4 276 0.8 0.8
COR2 S 60.50 1.00 0.68 60.20 0.30 177.9 334 -40.3 40.3
RKGY P 41.30 0.20 1.04 40.70 0.60 189.2 230 -42.2 42.2
KLBR P 46.10 0.20 1.02 45.47 0.63 228.7 340 -42.2 42.2
Velocity Ratios
AKUL NWAO
AKUL 1.74 0.00
0.07 0.00
NWAO 0.00 1.71
0.00 0.06
Date 2022-10-18
Origin Time 0730 21.31 +- 0.96
Zone 50
Easting 575.07 +- 9.32 Longitude 117.808
Northing 6297.49 +- 9.24 Latitude -33.459
Depth 2.00 +- 18.57 N
Arrival times = 8 S.D. = 0.166 Seismographs = 6
Nearest recorder = 70.6 km Gap = 131.1 deg Accuracy = B
Effects Code = Imax = 0 Fault =
8 km SE (120 deg) of DBYG
WESTERN AUSTRALIA
248 km SE (133 deg) of PERTH
171 km N (358 deg) of ALBANY
17 km SE (155 deg) of Dumbleyung
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 32.70 0.10 1.30 32.83 -0.13 70.6 129 1.9 1.9
ONGR S 40.80 1.00 0.74 40.82 -0.02 70.6 129 1.9 1.9
AJ02 i P 33.62 0.10 1.29 33.70 -0.08 75.9 279 1.5 1.5
NWAO P 34.20 0.10 1.28 34.32 -0.12 79.7 317 1.6 1.6
NWAO S 43.20 1.00 0.73 43.35 -0.15 79.7 317 1.6 1.6
RKGY P 45.40 0.20 1.06 45.19 0.21 148.8 210 -30.8 30.8
KLBR P 53.00 0.30 0.95 52.81 0.19 207.1 358 -42.2 42.2
MEKS P 53.10 0.20 1.03 52.88 0.22 207.8 339 -42.2 42.2
8 times used, S = 0.166
Deferred Data
RKGY S 62.10 1.00 0.69 62.42 -0.32 148.8 210 0.9 0.9
COR2 P 46.02 0.30 0.98 45.69 0.33 152.4 358 -30.8 30.8
Velocity Ratios
ONGR NWAO
ONGR 1.71 0.00
0.10 0.00
NWAO 0.00 1.70
0.00 0.09
Date 2022-10-24
Origin Time 0153 4.37 +- 1.11
Zone 50
Easting 588.40 +- 7.53 Longitude 117.958
Northing 6232.36 +- 9.73 Latitude -34.046
Depth 0.14 +- 31.73
Arrival times = 8 S.D. = 0.102 Seismographs = 5
Nearest recorder = 45.2 km Gap = 171.4 deg Accuracy = B
Effects Code = Imax = 0 Fault =
12 km S (201 deg) of GNOT
WESTERN AUSTRALIA
305 km SE (140 deg) of PERTH
106 km N ( 4 deg) of ALBANY
13 km S (197 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 2.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
ONGR P 11.72 0.10 1.35 11.74 -0.02 45.2 63 0.6 0.6
ONGR S 16.90 1.00 0.76 16.86 0.04 45.2 63 0.6 0.6
DBYG P 16.06 0.10 1.30 16.13 -0.07 72.1 343 0.3 0.3
DBYG S 24.50 1.00 0.74 24.28 0.22 72.1 343 0.3 0.3
RKGY P 22.30 0.10 1.25 22.27 0.03 109.7 234 0.2 0.2
NWAO P 27.20 0.20 1.06 27.32 -0.12 141.1 331 -30.8 30.8
AKUL P 29.20 0.20 1.06 29.07 0.13 153.6 6 -30.8 30.8
AKUL S 46.70 1.00 0.69 46.80 -0.10 153.6 6 0.2 0.2
8 times used, S = 0.102
Deferred Data
RKGY S 35.50 1.00 0.71 34.68 0.82 109.7 234 0.2 0.2
NWAO S 42.90 1.00 0.69 43.36 -0.46 141.1 331 0.2 0.2
KLBR P 44.80 0.30 0.92 44.00 0.80 272.7 355 -42.2 42.2
KORD P 58.20 0.30 0.90 53.78 4.42 353.9 352 -42.2 42.2
WATG P 60.10 0.30 0.90 55.50 4.60 368.0 3 -42.2 42.2
Velocity Ratios
ONGR DBYG AKUL
ONGR 1.70 0.00 1.70
0.16 0.00 0.15
DBYG 0.00 1.72 1.69
0.00 0.10 0.20
AKUL 1.70 1.69 1.70
0.15 0.20 0.05
Date 2022-10-28
Origin Time 2203 37.17 +- 1.13
Zone 50
Easting 497.82 +- 12.70 Longitude 116.977
Northing 6306.05 +- 9.30 Latitude -33.385
Depth 2.17 +- 14.46
Arrival times = 8 S.D. = 0.082 Seismographs = 5
Nearest recorder = 1.4 km Gap = 203.5 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km SE (117 deg) of ARV4
WESTERN AUSTRALIA
197 km NW (335 deg) of ALBANY
191 km SE (147 deg) of PERTH
6 km SW (232 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 2.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
ARV4 i P 37.74 0.03 2.11 37.70 0.03 1.4 297 47.4 57.1
ARV4 S 37.89 0.30 1.20 37.95 -0.06 1.4 297 53.0 56.7
AJ02 i P 38.20 0.05 1.80 38.23 -0.03 4.8 30 3.1 36.8
AJ02 S 38.76 0.30 1.13 38.77 -0.01 4.8 30 10.1 25.9
NWAO P 46.70 0.10 1.32 46.79 -0.09 56.1 25 -20.5 41.3
NWAO S 53.10 1.00 0.75 52.98 0.12 56.1 25 0.1 24.2
DBYG P 48.98 0.20 1.13 49.04 -0.06 70.5 93 -20.5 41.3
AKUL P 59.37 0.20 1.07 59.19 0.18 135.4 54 -20.5 41.3
8 times used, S = 0.082
Deferred Data
AKUL S 74.95 1.00 0.70 74.13 0.82 135.4 54 -16.6 29.0
Velocity Ratios
ARV4 AJ02 NWAO
ARV4 1.27 0.00 1.70
0.63 0.00 0.17
AJ02 0.00 1.54 1.69
0.00 0.38 0.19
NWAO 1.70 1.69 1.67
0.17 0.19 0.12