Data Report
Bulletin / 2023-09
Contributed by CUPWA
Date 2023-09-09
Origin Time 0855 28.41 +- 0.70
Zone 50
Easting 527.56 +- 6.51 Longitude 117.292
Northing 6438.58 +- 5.68 Latitude -32.189
Depth 5.56 +- 17.76
Arrival times = 9 S.D. = 0.175 Seismographs = 6
Nearest recorder = 42.3 km Gap = 173.3 deg Accuracy = C
Effects Code = Imax = 0 Fault =
20 km S (174 deg) of QUA
WESTERN AUSTRALIA
139 km E (101 deg) of PERTH
32 km NE ( 59 deg) of Brookton
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
PINW P 35.30 0.10 1.35 35.38 -0.08 42.3 220 7.6 7.6
PINW S 40.30 0.10 1.22 40.21 0.09 42.3 220 7.6 7.6
KLBR P 41.40 0.10 1.29 41.39 0.01 79.3 33 4.2 4.2
KLBR S 50.50 1.00 0.73 50.39 0.11 79.3 33 4.2 4.2
NWAO P 41.90 0.10 1.28 41.82 0.08 82.0 183 4.1 4.1
AKUL P 44.10 0.10 1.26 44.24 -0.14 96.8 123 3.5 3.5
AKUL S 55.25 1.00 0.72 55.22 0.03 96.8 123 3.5 3.5
ARV4 P 49.80 0.20 1.07 50.10 -0.30 135.5 193 -30.8 30.8
DBYG P 51.50 0.20 1.06 51.17 0.33 142.9 163 -30.8 30.8
9 times used, S = 0.175
Deferred Data
NWAO S 51.50 1.00 0.73 51.12 0.38 82.0 183 4.1 4.1
MUN P 45.30 0.20 1.09 45.56 -0.26 104.9 282 3.2 3.2
ARV4 S 66.20 1.00 0.70 65.87 0.33 135.5 193 2.4 2.4
Velocity Ratios
PINW KLBR AKUL
PINW 1.73 0.00 1.70
0.04 0.00 0.17
KLBR 0.00 1.70 0.00
0.00 0.09 0.00
AKUL 1.70 0.00 1.71
0.17 0.00 0.08
Date 2023-09-27
Origin Time 1142 19.62 +- 11.89
Zone 50
Easting 521.86 +- 6.79 Longitude 117.229
Northing 6575.27 +- 5.86 Latitude -30.956
Depth 2.00 +- 83.84 N
Arrival times = 9 S.D. = 0.161 Seismographs = 6
Nearest recorder = 62.7 km Gap = 89.3 deg Accuracy = C
Effects Code = Imax = 0 Fault =
18 km SE (150 deg) of CAS
WESTERN AUSTRALIA
171 km NE ( 50 deg) of PERTH
17 km SE (134 deg) of Manmanning
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
BLDU P 30.32 0.10 1.31 30.29 0.03 62.7 307 -41.3 41.3
BLDU S 36.90 1.00 0.74 37.24 -0.34 62.7 307 -24.2 24.2
BCON P 33.90 0.10 1.28 33.89 0.01 85.8 36 -41.3 41.3
BCON S 43.80 1.00 0.73 43.43 0.37 85.8 36 -29.0 29.0
KLBR P 33.95 0.10 1.28 34.00 -0.05 86.4 144 -41.3 41.3
KLBR S 43.50 1.00 0.72 43.61 -0.11 86.4 144 -29.0 29.0
WATG P 35.30 0.20 1.10 35.46 -0.16 96.0 75 -41.3 41.3
MUN P 44.00 0.30 0.98 43.79 0.21 149.2 220 -41.3 41.3
PINW P 47.10 0.10 1.20 47.06 0.04 170.3 187 -53.8 53.8
9 times used, S = 0.161
Deferred Data
MEKS S-P 10.10 2.00 0.70 9.42 0.68 84.7 192 0.0 0.0
PINW S 67.30 1.00 0.68 65.81 1.49 170.3 187 -29.0 29.0
Velocity Ratios
BLDU BCON KLBR
BLDU 1.61 0.00 0.00
0.11 0.00 0.00
BCON 0.00 1.69 0.00
0.00 0.08 0.00
KLBR 0.00 0.00 1.67
0.00 0.00 0.08