Data Report
Bulletin / 2023-12
Contributed by CUPWA
Date 2023-12-01 Event type = A
Origin Time 0901 10.55 +- 0.00
Zone 55
Easting 689.03 +- 0.00 Longitude 148.807
Northing 7786.25 +- 0.00 Latitude -20.011
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.032 Seismographs = 2
Nearest recorder = 59.7 km Gap = 359.4 deg Accuracy = Z
Effects Code = Imax = 0 Fault =
59 km E ( 90 deg) of BW1H
AUSTRALIA
QUEENSLAND
931 km NW (332 deg) of BRISBANE
266 km E ( 89 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
BW1H 60 1.2
BW2S 61 1.2
Mean 1.2 Assign ML 1.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 20.30 0.10 1.32 20.33 -0.03 59.7 270 -28.7 28.7
BW1H S 27.80 0.10 1.18 27.78 0.02 59.7 270 -29.7 29.7
BW2S P 20.57 0.10 1.31 20.54 0.03 61.1 271 -28.7 28.7
BW2S S 28.12 0.10 1.18 28.14 -0.02 61.1 271 -29.7 29.7
4 times used, S = 0.032
Velocity Ratios
BW1H BW2S
BW1H 1.77 0.00
0.03 0.00
BW2S 0.00 1.75
0.00 0.03
Date 2023-12-02 Event type = A
Origin Time 1357 1.45 +- 0.00
Zone 55
Easting 688.21 +- 0.00 Longitude 148.797
Northing 7805.07 +- 0.00 Latitude -19.841
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.011 Seismographs = 2
Nearest recorder = 61.5 km Gap = 359.0 deg Accuracy = Z
Effects Code = Imax = 0 Fault =
61 km E ( 72 deg) of BW1H
AUSTRALIA
QUEENSLAND
948 km NW (332 deg) of BRISBANE
266 km E ( 85 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
BW1H 62 1.1
BW2S 63 1.3
Mean 1.2 Assign ML 1.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 11.48 0.10 1.31 11.49 -0.01 61.5 252 -28.7 28.7
BW1H S 19.14 0.10 1.18 19.13 0.01 61.5 252 -29.7 29.7
BW2S P 11.67 0.10 1.31 11.66 0.01 62.6 253 -28.7 28.7
BW2S S 19.42 0.10 1.18 19.43 -0.01 62.6 253 -29.7 29.7
4 times used, S = 0.011
Velocity Ratios
BW1H BW2S
BW1H 1.76 0.00
0.03 0.00
BW2S 0.00 1.76
0.00 0.03
Date 2023-12-06 Event type = A
Origin Time 1745 17.26 +- 1.47
Zone 55
Easting 686.18 +- 7.58 Longitude 148.777
Northing 7808.64 +- 12.79 Latitude -19.809
Depth 11.04 +- 9.92
Arrival times = 14 S.D. = 0.375 Seismographs = 7
Nearest recorder = 60.7 km Gap = 318.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
60 km E ( 69 deg) of BW1H
AUSTRALIA
QUEENSLAND
952 km NW (332 deg) of BRISBANE
264 km E ( 84 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
ASHS 145 2.4
BW1H 61 2.1
BW2S 62 1.7
CTAO 266 2.1
TV1H 216 1.5
TV2S 216 1.6
Mean 1.9 Assign ML 1.9
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 26.99 0.10 1.31 27.18 -0.19 60.7 248 1.4 28.7
BW1H S 34.70 0.10 1.18 34.73 -0.03 60.7 248 1.4 29.8
BW2S P 27.07 0.10 1.31 27.33 -0.26 61.7 249 1.4 28.7
BW2S S 34.93 0.10 1.18 35.01 -0.08 61.7 249 1.4 29.8
ASHS P 40.53 0.10 1.22 39.90 0.63 145.6 279 0.5 28.7
ASHS S 56.91 0.10 1.10 56.79 0.12 145.6 279 -34.3 44.2
TV2S P 48.79 0.10 1.18 48.83 -0.04 216.4 285 -33.0 42.6
TV2S S 72.41 0.10 1.06 72.22 0.19 216.4 285 -34.3 44.2
TV1H P 49.10 0.10 1.18 48.92 0.18 216.6 286 -33.0 42.6
TV1H S 71.82 0.10 1.06 72.37 -0.55 216.6 286 -34.3 44.2
CTAO P 55.60 0.10 1.15 55.06 0.54 265.8 262 -33.0 42.6
CTAO S 83.23 0.10 1.04 83.00 0.23 265.8 262 -34.3 44.2
MTSU P 85.59 0.10 1.09 86.38 -0.79 503.9 290 -36.1 42.1
MTSU S 138.06 0.10 0.98 138.08 -0.02 503.9 290 -34.8 42.8
14 times used, S = 0.375
Velocity Ratios
BW1H BW2S ASHS TV2S TV1H CTAO MTSU
BW1H 1.79 0.00 1.64 1.73 1.68 1.70 1.76
0.03 0.00 0.04 0.03 0.02 0.02 0.01
BW2S 0.00 1.80 1.63 1.73 1.67 1.69 1.76
0.00 0.03 0.04 0.03 0.02 0.02 0.01
ASHS 1.64 1.63 1.70 1.88 1.74 1.75 1.80
0.04 0.04 0.01 0.07 0.07 0.04 0.01
TV2S 1.73 1.73 1.88 1.75 -1.90 1.59 1.78
0.03 0.03 0.07 0.01 -1.64 0.08 0.02
TV1H 1.68 1.67 1.74 -1.90 1.71 1.76 1.82
0.02 0.02 0.07 -1.64 0.01 0.09 0.02
CTAO 1.70 1.69 1.75 1.59 1.76 1.72 1.83
0.02 0.02 0.04 0.08 0.09 0.01 0.02
MTSU 1.76 1.76 1.80 1.78 1.82 1.83 1.77
0.01 0.01 0.01 0.02 0.02 0.02 0.00
Date 2023-12-07 Event type = E
Origin Time 1941 38.58 +- 1.21
Zone 56
Easting 335.52 +- 5.84 Longitude 151.370
Northing 7232.51 +- 3.30 Latitude -25.014
Depth 11.74 +- 9.29
Arrival times = 13 S.D. = 0.435 Seismographs = 7
Nearest recorder = 48.9 km Gap = 177.0 deg Accuracy = D
Effects Code = Imax = 0 Fault =
30 km SE (131 deg) of MNT
AUSTRALIA
QUEENSLAND
318 km NW (328 deg) of BRISBANE
100 km W (261 deg) of BUNDABERG
18 km N (357 deg) of ROSSLYN STATION
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
NRHS 203 2.3
RMQ 309 1.8
EIDS 50 2.3
RK2S 207 2.5
RK1H 201 2.2
ARMA 599 2.6
BRS 298 2.2
Mean 2.3 Assign ML 2.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
EIDS P 46.66 0.10 1.34 46.76 -0.10 48.9 216 3.3 28.9
EIDS S 52.60 0.10 1.20 53.00 -0.40 48.9 216 3.2 29.9
RK1H P 67.79 0.10 1.19 68.15 -0.36 200.9 333 -33.0 42.6
RK1H S 90.09 0.10 1.07 90.07 0.02 200.9 333 -34.3 44.2
NRHS S 90.36 0.10 1.07 90.45 -0.09 202.7 335 -34.3 44.2
RK2S P 69.52 0.10 1.18 68.97 0.55 207.5 335 -33.0 42.6
RK2S S 90.93 0.10 1.06 91.49 -0.56 207.5 335 -34.3 44.2
BRS P 81.16 0.10 1.14 80.46 0.70 298.4 152 -33.0 42.6
BRS S 110.78 0.10 1.03 111.35 -0.57 298.4 152 -34.3 44.2
RMQ P 82.40 0.10 1.14 81.81 0.59 309.3 237 -33.0 42.6
RMQ S 114.05 0.10 1.02 113.69 0.36 309.3 237 -34.3 44.2
ARMA P 120.49 0.10 1.07 120.60 -0.11 599.0 177 -38.4 42.5
ARMA S 182.89 0.10 0.96 183.01 -0.12 599.0 177 -35.7 42.2
13 times used, S = 0.435
Deferred Data
NRHS P 74.65 0.10 1.18 68.37 6.28 202.7 335 -33.0 42.6
Velocity Ratios
EIDS RK1H RK2S BRS RMQ ARMA
EIDS 1.74 1.77 1.68 1.69 1.72 1.76
0.03 0.03 0.02 0.02 0.02 0.01
RK1H 1.77 1.76 0.49 1.55 1.64 1.76
0.03 0.01 0.19 0.04 0.04 0.01
RK2S 1.68 0.49 1.69 1.71 1.80 1.80
0.02 0.19 0.01 0.05 0.04 0.01
BRS 1.69 1.55 1.71 1.70 0.00 1.83
0.02 0.04 0.05 0.01 0.00 0.01
RMQ 1.72 1.64 1.80 0.00 1.72 1.81
0.02 0.04 0.04 0.00 0.01 0.01
ARMA 1.76 1.76 1.80 1.83 1.81 1.76
0.01 0.01 0.01 0.01 0.01 0.00
Date 2023-12-10 Event type = A
Origin Time 2154 15.64 +- 1.20
Zone 55
Easting 658.97 +- 44.38 Longitude 148.524
Northing 7734.72 +- 6.14 Latitude -20.479
Depth 10.00 +- 41.45 N
Arrival times = 9 S.D. = 0.224 Seismographs = 5
Nearest recorder = 60.6 km Gap = 309.7 deg Accuracy = G
Effects Code = Imax = 0 Fault =
11 km SE (113 deg) of PETE
AUSTRALIA
QUEENSLAND
899 km NW (328 deg) of BRISBANE
240 km E (101 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
BW1H 61 2.4
BW2S 62 2.1
CTAO 241 2.1
TV1H 225 1.6
Mean 2.1 Assign ML 2.1
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 25.49 0.10 1.31 25.54 -0.05 60.6 330 -28.7 28.7
BW1H S 33.11 0.10 1.18 33.08 0.03 60.6 330 -29.7 29.7
BW2S P 25.67 0.10 1.31 25.73 -0.06 61.8 329 -28.7 28.7
BW2S S 33.44 0.10 1.18 33.42 0.02 61.8 329 -29.7 29.7
TV1H P 48.94 0.10 1.17 48.52 0.42 225.7 306 -42.6 42.6
TV1H S 72.98 0.10 1.06 72.88 0.10 225.7 306 -44.2 44.2
CTAO P 50.49 0.10 1.17 50.40 0.09 240.9 280 -42.6 42.6
MTSU P 85.43 0.10 1.08 85.88 -0.45 511.4 299 -40.6 42.1
MTSU S 138.33 0.10 0.98 138.48 -0.15 511.4 299 -39.6 42.8
9 times used, S = 0.224
Deferred Data
CTAO S 78.21 0.10 1.05 76.12 2.09 240.9 280 -44.2 44.2
Velocity Ratios
BW1H BW2S TV1H MTSU
BW1H 1.77 0.00 1.70 1.76
0.03 0.00 0.02 0.01
BW2S 0.00 1.77 1.70 1.76
0.00 0.03 0.02 0.01
TV1H 1.70 1.70 1.72 1.79
0.02 0.02 0.01 0.02
MTSU 1.76 1.76 1.79 1.76
0.01 0.01 0.02 0.00
Date 2023-12-13 Event type = E
Origin Time 1439 55.65 +- 2.11
Zone 55
Easting 745.04 +- 3.81 Longitude 149.505
Northing 6837.77 +- 4.30 Latitude -28.564
Depth 10.00 +- 13.34 N
Arrival times = 12 S.D. = 0.443 Seismographs = 8
Nearest recorder = 176.9 km Gap = 105.4 deg Accuracy = G
Effects Code = Imax = 0 Fault =
176 km NE ( 57 deg) of LRHS
AUSTRALIA
QUEENSLAND
366 km W (250 deg) of BRISBANE
78 km W (269 deg) of GOONDIWINDI
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
TSHS 267 2.7
LRHS 177 2.9
PSHS 311 2.0
RMQ 241 1.7
EIDS 387 2.4
ARMA 291 2.3
CMSA 493 1.6
BRS 347 2.1
Mean 2.2 Assign ML 2.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
LRHS P 81.96 0.10 1.20 82.34 -0.38 176.9 236 -42.6 42.6
LRHS S 102.25 0.10 1.08 102.18 0.07 176.9 236 -44.2 44.2
RMQ S 116.58 0.10 1.05 116.29 0.29 241.6 342 -44.2 44.2
TSHS P 94.29 0.10 1.15 93.79 0.50 267.4 65 -42.6 42.6
TSHS S 121.84 0.10 1.04 121.97 -0.13 267.4 65 -44.2 44.2
ARMA P 96.29 0.10 1.15 96.85 -0.56 291.3 135 -42.6 42.6
ARMA S 128.02 0.10 1.03 127.26 0.76 291.3 135 -44.2 44.2
PSHS P 98.85 0.10 1.14 99.32 -0.47 311.6 154 -42.6 42.6
BRS P 104.25 0.10 1.13 103.92 0.33 347.4 68 -42.5 42.6
BRS S 139.21 0.10 1.01 139.52 -0.31 347.4 68 -43.9 44.1
EIDS S 148.14 0.10 1.00 148.54 -0.40 387.3 24 -43.3 43.8
CMSA P 123.87 0.10 1.09 123.47 0.40 493.8 227 -40.9 42.1
12 times used, S = 0.443
Deferred Data
RMQ P 94.13 0.10 1.17 90.50 3.63 241.6 342 -42.6 42.6
PSHS S 129.67 0.10 1.02 131.53 -1.86 311.6 154 -44.1 44.2
EIDS P 110.37 0.10 1.11 109.09 1.28 387.3 24 -42.2 42.5
CMSA S 170.09 0.10 0.98 174.11 -4.02 493.8 227 -40.2 42.9
Velocity Ratios
LRHS TSHS ARMA BRS
LRHS 1.77 1.59 1.80 1.66
0.01 0.04 0.04 0.02
TSHS 1.59 1.71 0.00 1.74
0.04 0.01 0.00 0.06
ARMA 1.80 0.00 1.78 1.41
0.04 0.00 0.01 0.06
BRS 1.66 1.74 1.41 1.72
0.02 0.06 0.06 0.01
Date 2023-12-26 Event type = A
Origin Time 2302 22.45 +- 0.00
Zone 55
Easting 684.39 +- 0.00 Longitude 148.760
Northing 7813.87 +- 0.00 Latitude -19.762
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.014 Seismographs = 2
Nearest recorder = 61.1 km Gap = 358.9 deg Accuracy = Z
Effects Code = Imax = 0 Fault =
61 km NE ( 64 deg) of BW1H
AUSTRALIA
QUEENSLAND
958 km NW (332 deg) of BRISBANE
263 km E ( 83 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
BW1H 61 1.6
BW2S 62 1.8
Mean 1.7 Assign ML 1.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 32.41 0.10 1.31 32.42 -0.01 61.1 243 -28.7 28.7
BW1H S 40.03 0.10 1.18 40.02 0.01 61.1 243 -29.7 29.7
BW2S P 32.58 0.10 1.31 32.57 0.01 62.0 244 -28.7 28.7
BW2S S 40.26 0.10 1.18 40.27 -0.01 62.0 244 -29.7 29.7
4 times used, S = 0.014
Velocity Ratios
BW1H BW2S
BW1H 1.76 0.00
0.03 0.00
BW2S 0.00 1.76
0.00 0.03
Date 2023-12-26 Event type = A
Origin Time 2303 8.07 +- 0.00
Zone 55
Easting 687.07 +- 0.00 Longitude 148.786
Northing 7807.54 +- 0.00 Latitude -19.819
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.010 Seismographs = 2
Nearest recorder = 61.1 km Gap = 359.0 deg Accuracy = Z
Effects Code = Imax = 0 Fault =
61 km E ( 70 deg) of BW1H
AUSTRALIA
QUEENSLAND
951 km NW (332 deg) of BRISBANE
265 km E ( 84 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
BW1H 61 1.8
BW2S 63 2.0
Mean 1.9 Assign ML 1.9
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 18.05 0.10 1.31 18.06 -0.01 61.1 250 -28.7 28.7
BW1H S 25.67 0.10 1.18 25.66 0.01 61.1 250 -29.7 29.7
BW2S P 18.23 0.10 1.31 18.22 0.01 62.2 251 -28.7 28.7
BW2S S 25.94 0.10 1.18 25.95 -0.01 62.2 251 -29.7 29.7
4 times used, S = 0.010
Deferred Data
CTAO P 35.38 0.10 1.20 46.06 -10.68 266.5 263 -42.6 42.6
CTAO S 68.16 0.10 1.08 74.13 -5.97 266.5 263 -44.2 44.2
Velocity Ratios
BW1H BW2S
BW1H 1.76 0.00
0.03 0.00
BW2S 0.00 1.76
0.00 0.03