Data Report
Bulletin / 2022-12
Contributed by CUPWA
Date 2022-12-01
Origin Time 1542 56.71 +- 0.72
Zone 50
Easting 514.76 +- 5.10 Longitude 117.154
Northing 6599.25 +- 7.02 Latitude -30.739
Depth 1.11 +- 30.98
Arrival times = 10 S.D. = 0.181 Seismographs = 7
Nearest recorder = 36.7 km Gap = 124.4 deg Accuracy = B
Effects Code = Imax = 0 Fault =
0 km N ( 22 deg) of CAA
WESTERN AUSTRALIA
183 km NE ( 43 deg) of PERTH
4 km NE ( 34 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 2.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KORD P 62.60 0.10 1.37 62.70 -0.10 36.7 114 1.9 1.9
KORD S 67.00 1.00 0.78 66.85 0.15 36.7 114 1.9 1.9
BLDU P 63.90 0.10 1.35 64.04 -0.14 44.9 288 1.8 1.8
BLDU S 69.30 1.00 0.76 69.12 0.18 44.9 288 1.8 1.8
BCON P 68.80 0.10 1.29 68.73 0.07 73.7 52 1.1 1.1
BCON S 77.40 1.00 0.73 77.07 0.33 73.7 52 1.1 1.1
WATG P 72.80 0.20 1.10 73.02 -0.22 100.0 89 0.7 0.7
MEKS P 74.50 0.20 1.09 74.20 0.30 107.2 185 0.7 0.7
KLBR P 74.60 0.20 1.09 74.72 -0.12 110.4 149 0.7 0.7
COR2 P 82.20 0.20 1.05 82.19 0.01 159.7 159 -30.8 30.8
10 times used, S = 0.181
Deferred Data
MEKS S 87.10 1.00 0.71 86.33 0.77 107.2 185 0.7 0.7
COR2 S 100.80 1.00 0.55 100.84 -0.04 159.7 159 0.5 0.5
Velocity Ratios
KORD BLDU BCON
KORD 1.75 0.00 0.00
0.20 0.00 0.00
BLDU 0.00 1.75 0.00
0.00 0.17 0.00
BCON 0.00 0.00 1.71
0.00 0.00 0.10
Date 2022-12-07
Origin Time 2046 6.38 +- 0.72
Zone 50
Easting 526.74 +- 6.68 Longitude 117.283
Northing 6455.28 +- 4.45 Latitude -32.038
Depth 4.17 +- 25.97
Arrival times = 12 S.D. = 0.102 Seismographs = 6
Nearest recorder = 43.9 km Gap = 145.5 deg Accuracy = A
Effects Code = Imax = 0 Fault =
4 km S (165 deg) of QUA
WESTERN AUSTRALIA
136 km E ( 95 deg) of PERTH
35 km E ( 75 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 2.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MEKS P 13.60 0.10 1.35 13.58 0.02 43.9 328 5.7 5.7
MEKS S 18.70 1.00 0.77 18.57 0.13 43.9 328 5.7 5.7
COR2 P 13.60 0.10 1.35 13.74 -0.14 44.8 96 5.7 5.7
COR2 S 19.00 1.00 0.76 18.83 0.17 44.8 96 5.7 5.7
KLBR P 17.20 0.10 1.30 17.28 -0.08 66.7 42 3.8 3.8
KLBR S 24.90 1.00 0.74 24.84 0.06 66.7 42 3.8 3.8
NWAO P 22.44 0.10 1.26 22.48 -0.04 98.6 182 2.6 2.6
NWAO S 33.60 1.00 0.72 33.65 -0.05 98.6 182 2.6 2.6
AKUL P 24.10 0.20 1.09 23.96 0.14 107.7 130 2.4 2.4
AKUL S 36.30 1.00 0.71 36.15 0.15 107.7 130 2.4 2.4
KORD P 27.50 0.20 1.07 27.49 0.01 130.4 9 -30.8 30.8
KORD S 42.40 1.00 0.70 42.42 -0.02 130.4 9 1.9 1.9
12 times used, S = 0.102
Deferred Data
WATG P 33.40 0.30 0.97 32.88 0.52 168.9 31 -30.8 30.8
Velocity Ratios
MEKS COR2 KLBR NWAO AKUL KORD
MEKS 1.71 0.00 0.00 0.00 0.00 1.71
0.16 0.00 0.00 0.00 0.00 0.18
COR2 0.00 1.75 0.00 0.00 0.00 1.68
0.00 0.17 0.00 0.00 0.00 0.18
KLBR 0.00 0.00 1.71 0.00 0.00 0.00
0.00 0.00 0.11 0.00 0.00 0.00
NWAO 0.00 0.00 0.00 1.70 0.00 0.00
0.00 0.00 0.00 0.07 0.00 0.00
AKUL 0.00 0.00 0.00 0.00 1.69 0.00
0.00 0.00 0.00 0.00 0.08 0.00
KORD 1.71 1.68 0.00 0.00 0.00 1.71
0.18 0.18 0.00 0.00 0.00 0.06
Date 2022-12-18
Origin Time 0414 43.43 +- 0.69
Zone 50
Easting 570.10 +- 7.01 Longitude 117.746
Northing 6408.17 +- 4.35 Latitude -32.461
Depth 1.00 +- 27.99 C
Arrival times = 11 S.D. = 0.179 Seismographs = 7
Nearest recorder = 41.7 km Gap = 120.3 deg Accuracy = B
Effects Code = Imax = 0 Fault =
35 km S (179 deg) of COR1
WESTERN AUSTRALIA
282 km N (358 deg) of ALBANY
188 km E (108 deg) of PERTH
19 km SW (219 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 2.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
COR2 i P 50.06 0.10 1.35 50.23 -0.17 41.7 1 1.8 1.8
COR2 i S 55.16 1.00 0.77 54.95 0.21 41.7 1 1.8 1.8
AKUL i P 50.60 0.10 1.35 50.71 -0.11 44.6 121 1.7 1.7
AKUL S 55.90 1.00 0.76 55.76 0.14 44.6 121 1.7 1.7
NWAO P 54.70 0.10 1.30 54.93 -0.23 70.5 222 1.0 1.0
NWAO S 62.90 1.00 0.74 62.91 -0.01 70.5 222 1.0 1.0
KLBR P 59.10 0.20 1.10 59.16 -0.06 96.4 0 0.8 0.8
DBYG P 61.00 0.10 1.25 60.83 0.17 106.6 180 0.7 0.7
DBYG S 73.00 1.00 0.71 72.89 0.11 106.6 180 0.7 0.7
MEKS P 61.20 0.10 1.25 60.96 0.24 107.5 321 0.7 0.7
ONGR P 70.00 0.20 1.05 69.92 0.08 166.9 158 -30.8 30.8
11 times used, S = 0.179
Deferred Data
ONGR S 89.10 1.00 0.68 89.53 -0.43 166.9 158 0.4 0.4
Velocity Ratios
COR2 AKUL NWAO DBYG
COR2 1.77 0.00 0.00 0.00
0.18 0.00 0.00 0.00
AKUL 0.00 1.74 0.00 0.00
0.00 0.17 0.00 0.00
NWAO 0.00 0.00 1.73 0.00
0.00 0.00 0.11 0.00
DBYG 0.00 0.00 0.00 1.68
0.00 0.00 0.00 0.07
Date 2022-12-25
Origin Time 1747 56.49 +- 6.98
Zone 50
Easting 496.15 +- 63.54 Longitude 116.959
Northing 6309.57 +- 62.17 Latitude -33.353
Depth 2.22 +- 95.10
Arrival times = 5 S.D. = 0.010 Seismographs = 3
Nearest recorder = 2.9 km Gap = 216.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
0 km E ( 92 deg) of ARV5
WESTERN AUSTRALIA
199 km NE ( 58 deg) of AUGUSTA
187 km SE (147 deg) of PERTH
7 km W (267 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AALB 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
ARV4 0.00 Seismograph details unknown
ARV5 0.00 Seismograph details unknown
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
ARV4 i P 57.27 0.03 2.05 57.28 -0.01 2.9 172 19.1 38.9
ARV4 i S 57.58 0.30 1.16 57.59 -0.01 2.9 172 30.7 38.4
AJ02 i P 57.46 0.03 2.01 57.45 0.01 4.2 80 6.7 37.1
AJ02 i S 57.91 0.30 1.14 57.91 -0.00 4.2 80 17.6 29.6
NWAO P 65.74 0.10 1.33 65.74 -0.00 53.8 28 -20.5 41.3
5 times used, S = 0.010
Deferred Data
ARV5 S-P 2.00 3.00 0.85 0.22 1.78 0.6 272 0.0 0.0
NWAO S 71.90 1.00 0.75 71.65 0.25 53.8 28 0.2 24.2
RKGY P 78.90 0.20 1.07 79.12 -0.22 139.3 179 -20.5 41.3
ONGR P 79.40 0.20 1.06 79.98 -0.58 144.8 113 -20.5 41.3
ONGR S 96.00 1.00 0.69 95.94 0.06 144.8 113 -16.6 29.0
AALB P 88.70 0.20 1.03 87.82 0.88 202.3 154 -42.6 53.8
Velocity Ratios
ARV4 AJ02
ARV4 1.40 0.00
0.46 0.00
AJ02 0.00 1.47
0.00 0.37
Date 2022-12-25
Origin Time 1747 56.52 +- 1.08
Zone 50
Easting 497.23 +- 19.77 Longitude 116.970
Northing 6308.41 +- 13.99 Latitude -33.363
Depth 3.31 +- 9.70
Arrival times = 7 S.D. = 0.037 Seismographs = 4
Nearest recorder = 1.8 km Gap = 184.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
0 km SW (220 deg) of AJ01
WESTERN AUSTRALIA
199 km NE ( 58 deg) of AUGUSTA
189 km SE (146 deg) of PERTH
6 km W (255 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AALB 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
ARV4 0.00 Seismograph details unknown
ARV5 0.00 Seismograph details unknown
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
ARV4 i P 57.27 0.03 2.09 57.25 0.02 1.8 202 56.6 63.8
ARV4 i S 57.58 0.30 1.19 57.63 -0.05 1.8 202 59.1 62.1
AJ02 i P 57.46 0.03 2.03 57.45 0.01 3.5 58 35.6 49.3
AJ02 i S 57.91 0.30 1.15 57.94 -0.03 3.5 58 39.8 45.5
NWAO P 65.74 0.10 1.33 65.79 -0.05 54.3 26 -20.5 41.3
NWAO S 71.90 1.00 0.75 71.82 0.08 54.3 26 1.5 24.2
RKGY P 78.90 0.20 1.07 78.90 0.00 138.2 179 -20.5 41.3
7 times used, S = 0.037
Deferred Data
ARV5 S-P 2.00 3.00 0.85 0.39 1.61 2.0 305 0.0 0.0
ONGR P 79.40 0.20 1.06 79.72 -0.32 143.4 113 -20.5 41.3
ONGR S 96.00 1.00 0.69 95.50 0.50 143.4 113 -16.6 29.0
AALB P 88.70 0.20 1.03 87.54 1.16 200.8 154 -42.6 53.8
Velocity Ratios
ARV4 AJ02 NWAO
ARV4 1.41 0.00 1.69
0.48 0.00 0.18
AJ02 0.00 1.48 1.69
0.00 0.38 0.19
NWAO 1.69 1.69 1.67
0.18 0.19 0.13