Data Report
Bulletin / 2022-09
Contributed by CUPWA
Date 2022-09-02
Origin Time 2103 45.58 +- 0.81
Zone 50
Easting 499.02 +- 3.61 Longitude 116.990
Northing 6305.76 +- 6.32 Latitude -33.387
Depth 2.08 +- 2.97
Arrival times = 9 S.D. = 0.024 Seismographs = 5
Nearest recorder = 2.7 km Gap = 178.4 deg Accuracy = B
Effects Code = Imax = 0 Fault =
1 km S (195 deg) of AJ03
WESTERN AUSTRALIA
196 km NW (335 deg) of ALBANY
192 km SE (146 deg) of PERTH
6 km SW (222 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 2.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
ARV4 S-P 0.26 0.20 1.41 0.29 -0.03 2.7 290 0.0 0.0
ARV4 i P 46.31 0.03 2.06 46.31 0.00 2.7 290 14.3 37.9
ARV4 i S 46.57 0.30 1.17 46.60 -0.03 2.7 290 30.6 38.3
AJ02 S-P 0.56 0.20 1.37 0.59 -0.03 4.6 15 0.0 0.0
AJ02 i P 46.62 0.03 2.00 46.61 0.02 4.6 15 1.0 36.7
AJ02 i S 47.17 0.30 1.14 47.19 -0.02 4.6 15 7.0 24.0
NWAO S 61.30 1.00 0.75 61.32 -0.02 55.9 23 0.0 24.2
AKUL P 67.50 0.20 1.07 67.48 0.02 134.6 53 -20.5 41.3
ONGR P 68.40 0.20 1.07 68.43 -0.03 140.7 112 -20.5 41.3
9 times used, S = 0.024
Deferred Data
NWAO P 55.02 0.10 1.32 55.17 -0.15 55.9 23 -20.5 41.3
RKGY P 67.90 0.20 1.07 67.61 0.29 135.5 180 -20.5 41.3
Velocity Ratios
ARV4 AJ02
ARV4 1.36 0.00
0.49 0.00
AJ02 0.00 1.52
0.00 0.34
Date 2022-09-02
Origin Time 2200 7.63 +- 23.09
Zone 50
Easting 496.29 +- 149.95 Longitude 116.960
Northing 6309.20 +- 121.41 Latitude -33.356
Depth 2.27 +- 99.44
Arrival times = 5 S.D. = 0.040 Seismographs = 3
Nearest recorder = 2.5 km Gap = 261.0 deg Accuracy = B
Effects Code = Imax = 0 Fault =
0 km SE (119 deg) of ARV5
WESTERN AUSTRALIA
199 km NE ( 58 deg) of AUGUSTA
188 km SE (147 deg) of PERTH
7 km W (264 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARMA 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 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 2.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
ARV4 i P 8.36 0.03 2.06 8.35 0.02 2.5 174 27.3 43.4
ARV4 i S 8.59 0.30 1.17 8.64 -0.05 2.5 174 36.5 43.0
AJ02 i P 8.56 0.03 2.01 8.58 -0.02 4.1 75 8.6 37.3
AJ02 i S 9.11 0.30 1.14 9.04 0.07 4.1 75 19.2 30.5
ONGR P 31.10 0.20 1.06 31.07 0.03 144.6 113 -20.5 41.3
5 times used, S = 0.040
Deferred Data
ARV5 S-P 3.00 3.00 0.61 0.23 2.77 0.8 299 0.0 0.0
ARV4 S-P 0.20 0.20 1.42 0.30 -0.10 2.5 174 0.0 0.0
AJ03 S-P 0.40 1.00 1.04 0.42 -0.02 3.8 126 0.0 0.0
AJ02 S-P 0.55 0.20 1.40 0.46 0.09 4.1 75 0.0 0.0
NWAO P 17.03 0.10 1.33 16.92 0.11 54.0 28 -20.5 41.3
NWAO S 23.50 1.00 0.75 22.86 0.64 54.0 28 0.3 24.2
Velocity Ratios
ARV4 AJ02
ARV4 1.31 0.00
0.48 0.00
AJ02 0.00 1.59
0.00 0.39
Date 2022-09-12
Origin Time 1711 6.09 +- 1.31
Zone 50
Easting 504.22 +- 7.54 Longitude 117.044
Northing 6501.20 +- 16.10 Latitude -31.624
Depth 7.08 +- 10.06
Arrival times = 7 S.D. = 0.079 Seismographs = 5
Nearest recorder = 8.6 km Gap = 203.8 deg Accuracy = B
Effects Code = Imax = 0 Fault =
3 km E ( 76 deg) of MECK
WESTERN AUSTRALIA
119 km E ( 73 deg) of PERTH
3 km E ( 79 deg) of Meckering
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 i P 7.95 0.03 1.93 7.93 0.02 8.6 183 40.3 40.3
MEKS i S 9.11 0.30 1.09 9.21 -0.10 8.6 183 40.3 40.3
KLBR P 17.08 0.10 1.30 17.16 -0.07 67.5 87 6.3 6.3
COR2 P 20.01 0.10 1.28 19.92 0.09 84.5 127 5.0 5.0
COR2 S 29.60 1.00 0.73 29.51 0.09 84.5 127 5.0 5.0
MUN P 20.60 0.20 1.11 20.55 0.05 88.3 243 4.7 4.7
NWAO P 28.97 0.20 1.06 29.07 -0.10 145.5 173 -30.8 30.8
7 times used, S = 0.079
Deferred Data
KLBR S 25.30 1.00 0.74 24.83 0.47 67.5 87 6.3 6.3
MUN S 30.60 1.00 0.72 30.58 0.02 88.3 243 4.7 4.7
KORD P 21.90 0.10 1.27 21.41 0.49 93.6 27 4.4 4.4
KORD S 32.70 1.00 0.72 32.03 0.67 93.6 27 4.4 4.4
BLDU P 25.82 0.20 1.08 25.04 0.78 116.7 344 -30.8 30.8
BLDU S 39.15 1.00 0.71 38.38 0.77 116.7 344 3.6 3.6
NWAO S 45.90 1.00 0.69 46.31 -0.41 145.5 173 -23.9 23.9
Velocity Ratios
MEKS COR2
MEKS 1.62 1.70
0.19 0.13
COR2 1.70 1.69
0.13 0.08