Data Report
Bulletin / 2023-04
Contributed by CUPWA
Date 2023-04-03 Event type = E
Origin Time 1215 2.88 +- 5.71
Zone 56
Easting 226.85 +- 12.31 Longitude 150.288
Northing 7201.86 +- 17.22 Latitude -25.275
Depth 10.00 +- 37.97 N
Arrival times = 8 S.D. = 0.766 Seismographs = 4
Nearest recorder = 80.6 km Gap = 137.4 deg Accuracy = G
Effects Code = Imax = 0 Fault =
2 km S (161 deg) of CRC
AUSTRALIA
QUEENSLAND
365 km NW (311 deg) of BRISBANE
186 km SW (212 deg) of GLADSTONE
1 km NW (295 deg) of CRACOW
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
FS03 160 1.9
RMQ 204 1.5
EIDS 81 1.7
RK1H 210 1.3
Mean 1.6 Assign ML 1.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
EIDS P 15.33 0.10 1.28 15.81 -0.48 80.6 97 -28.7 28.7
EIDS S 24.73 0.10 1.16 25.64 -0.91 80.6 97 -29.7 29.7
FS03 P 28.30 0.10 1.21 27.52 0.78 160.3 83 -42.6 42.6
FS03 S 46.90 0.10 1.09 45.87 1.03 160.3 83 -44.2 44.2
RMQ P 33.87 0.10 1.18 33.05 0.82 204.4 228 -42.6 42.6
RMQ S 54.66 0.10 1.06 55.43 -0.77 204.4 228 -44.2 44.2
RK1H P 33.63 0.10 1.18 33.74 -0.11 210.2 5 -42.6 42.6
RK1H S 56.19 0.10 1.06 56.63 -0.44 210.2 5 -44.2 44.2
8 times used, S = 0.766
Velocity Ratios
EIDS FS03 RMQ RK1H
EIDS 1.75 1.71 1.61 1.72
0.02 0.04 0.03 0.03
FS03 1.71 1.73 1.39 1.74
0.04 0.01 0.09 0.11
RMQ 1.61 1.39 1.67 0.00
0.03 0.09 0.01 0.00
RK1H 1.72 1.74 0.00 1.73
0.03 0.11 0.00 0.01
Date 2023-04-06 Event type = E
Origin Time 0549 32.50 +- 3.35
Zone 55
Easting 561.75 +- 8.93 Longitude 147.636
Northing 6761.86 +- 7.43 Latitude -29.271
Depth 10.00 +- 22.11 N
Arrival times = 10 S.D. = 0.609 Seismographs = 6
Nearest recorder = 313.2 km Gap = 89.5 deg Accuracy = G
Effects Code = Imax = 0 Fault =
37 km NW (297 deg) of LRHS
AUSTRALIA
NEW SOUTH WALES
564 km W (248 deg) of BRISBANE
95 km NW (330 deg) of WALGETT
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
RMQ 327 2.7
EIDS 550 2.9
CMSA 313 2.5
QLP 448 3.5
STKA 646 3.7
YNG 562 2.8
Mean 3.0 Assign ML 3.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
CMSA S 109.87 0.10 1.02 108.69 1.18 313.2 215 -44.1 44.2
RMQ P 78.95 0.10 1.13 78.15 0.80 327.3 19 -42.6 42.6
RMQ S 112.15 0.10 1.02 111.82 0.33 327.3 19 -44.1 44.1
ARMA P 88.46 0.10 1.11 88.58 -0.12 406.5 109 -42.0 42.5
ARMA S 129.68 0.10 1.00 130.05 -0.37 406.5 109 -42.9 43.7
QLP P 93.81 0.10 1.10 94.03 -0.22 447.8 310 -41.5 42.3
QLP S 139.01 0.10 0.99 139.71 -0.70 447.8 310 -41.7 43.4
YNG P 109.06 0.10 1.07 109.63 -0.57 561.8 172 -40.2 42.5
YNG S 167.89 0.10 0.97 167.90 -0.01 561.8 172 -38.3 42.4
STKA P 120.53 0.10 1.06 120.96 -0.43 647.2 241 -39.4 42.5
10 times used, S = 0.609
Deferred Data
CMSA P 81.46 0.10 1.14 76.35 5.11 313.2 215 -42.6 42.6
EIDS P 103.56 0.10 1.08 108.06 -4.50 550.4 38 -40.1 41.9
EIDS S 154.76 0.10 0.97 164.98 -10.22 550.4 38 -38.3 42.4
STKA S 185.51 0.10 0.95 188.69 -3.18 647.2 241 -36.3 41.9
Velocity Ratios
RMQ ARMA QLP YNG
RMQ 1.71 1.84 1.81 1.85
0.01 0.06 0.04 0.02
ARMA 1.84 1.74 1.74 1.85
0.06 0.00 0.11 0.03
QLP 1.81 1.74 1.74 1.89
0.04 0.11 0.00 0.04
YNG 1.85 1.85 1.89 1.77
0.02 0.03 0.04 0.00
Date 2023-04-06 Event type = A
Origin Time 1021 16.57 +- 0.00
Zone 55
Easting 684.55 +- 0.00 Longitude 148.767
Northing 7759.87 +- 0.00 Latitude -20.250
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.083 Seismographs = 2
Nearest recorder = 61.8 km Gap = 360.0 deg Accuracy = Z
Effects Code = Imax = 0 Fault =
41 km NE ( 59 deg) of PETE
AUSTRALIA
QUEENSLAND
909 km NW (331 deg) of BRISBANE
262 km E ( 95 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
BW1H 62 1.2
BW2S 64 1.2
Mean 1.2 Assign ML 1.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 26.56 0.10 1.31 26.66 -0.10 61.8 296 -28.7 28.7
BW1H S 34.35 0.10 1.18 34.33 0.02 61.8 296 -29.7 29.7
BW2S P 26.98 0.10 1.31 26.88 0.10 63.3 296 -28.7 28.7
BW2S S 34.72 0.10 1.18 34.74 -0.02 63.3 296 -29.7 29.7
4 times used, S = 0.083
Velocity Ratios
BW1H BW2S
BW1H 1.78 0.00
0.03 0.00
BW2S 0.00 1.74
0.00 0.03
Date 2023-04-07 Event type = E
Origin Time 0908 34.20 +- 11.55
Zone 56
Easting 262.26 +- 30.68 Longitude 150.651
Northing 7272.32 +- 60.98 Latitude -24.645
Depth 10.00 +- 109.36 N
Arrival times = 6 S.D. = 0.703 Seismographs = 3
Nearest recorder = 91.2 km Gap = 250.5 deg Accuracy = H
Effects Code = Imax = 0 Fault =
53 km NW (292 deg) of MNT
AUSTRALIA
QUEENSLAND
393 km NW (322 deg) of BRISBANE
108 km SW (215 deg) of GLADSTONE
26 km N (349 deg) of RAWBELLE STATION
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
FS03 133 1.6
RMQ 279 1.4
EIDS 91 1.3
Mean 1.4 Assign ML 1.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
EIDS P 49.25 0.10 1.27 48.72 0.53 91.2 151 -28.7 28.7
EIDS S 59.62 0.10 1.14 59.75 -0.13 91.2 151 -29.7 29.7
FS03 P 55.69 0.10 1.23 55.02 0.67 133.1 112 -28.7 28.7
FS03 S 70.05 0.10 1.11 70.80 -0.75 133.1 112 -29.7 29.7
RMQ P 72.87 0.10 1.15 73.84 -0.97 279.6 222 -42.6 42.6
RMQ S 103.56 0.10 1.03 103.11 0.45 279.6 222 -44.2 44.2
6 times used, S = 0.703
Velocity Ratios
EIDS FS03 RMQ
EIDS 1.69 1.62 1.86
0.02 0.08 0.02
FS03 1.62 1.67 1.95
0.08 0.01 0.03
RMQ 1.86 1.95 1.79
0.02 0.03 0.01