Data Report
Bulletin / 2023-05
Contributed by CUPWA
Date 2023-05-01 Event type = A
Origin Time 1121 38.77 +- 0.00
Zone 55
Easting 690.03 +- 0.00 Longitude 148.816
Northing 7792.37 +- 0.00 Latitude -19.956
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.119 Seismographs = 2
Nearest recorder = 60.9 km Gap = 359.3 deg Accuracy = Z
Effects Code = Imax = 0 Fault =
60 km E ( 85 deg) of BW1H
AUSTRALIA
QUEENSLAND
936 km NW (332 deg) of BRISBANE
267 km E ( 87 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
BW1H 61 1.7
BW2S 63 1.8
Mean 1.8 Assign ML 1.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 48.81 0.10 1.31 48.73 0.08 60.9 264 -28.7 28.7
BW1H S 56.43 0.10 1.18 56.31 0.12 60.9 264 -29.7 29.7
BW2S P 48.84 0.10 1.31 48.92 -0.08 62.2 265 -28.7 28.7
BW2S S 56.53 0.10 1.18 56.65 -0.12 62.2 265 -29.7 29.7
4 times used, S = 0.119
Velocity Ratios
BW1H BW2S
BW1H 1.76 0.00
0.03 0.00
BW2S 0.00 1.76
0.00 0.03
Date 2023-05-01 Event type = A
Origin Time 1454 5.63 +- 0.00
Zone 55
Easting 691.08 +- 0.00 Longitude 148.825
Northing 7804.97 +- 0.00 Latitude -19.842
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.035 Seismographs = 2
Nearest recorder = 64.2 km Gap = 359.1 deg Accuracy = Z
Effects Code = Imax = 0 Fault =
64 km E ( 73 deg) of BW1H
AUSTRALIA
QUEENSLAND
947 km NW (332 deg) of BRISBANE
269 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 64 1.1
BW2S 66 0.9
Mean 1.0 Assign ML 1.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 16.04 0.10 1.31 16.07 -0.03 64.2 253 -28.7 28.7
BW1H S 24.05 0.10 1.18 24.03 0.02 64.2 253 -29.7 29.7
BW2S P 16.28 0.10 1.31 16.25 0.03 65.3 254 -28.7 28.7
BW2S S 24.30 0.10 1.18 24.32 -0.02 65.3 254 -29.7 29.7
4 times used, S = 0.035
Velocity Ratios
BW1H BW2S
BW1H 1.77 0.00
0.03 0.00
BW2S 0.00 1.75
0.00 0.03
Date 2023-05-06 Event type = A
Origin Time 0408 45.16 +- 3.24
Zone 55
Easting 663.69 +- 114.82 Longitude 148.560
Northing 7839.70 +- 9.65 Latitude -19.531
Depth 10.00 +- 104.13 N
Arrival times = 8 S.D. = 0.397 Seismographs = 4
Nearest recorder = 62.5 km Gap = 293.8 deg Accuracy = H
Effects Code = Imax = 0 Fault =
62 km NE ( 32 deg) of BW1H
AUSTRALIA
QUEENSLAND
990 km NW (332 deg) of BRISBANE
248 km E ( 76 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
BW1H 63 1.8
BW2S 63 1.6
CTAO 249 1.8
TV1H 187 1.2
Mean 1.6 Assign ML 1.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 55.20 0.10 1.31 55.35 -0.15 62.5 212 -28.7 28.7
BW1H S 63.18 0.10 1.18 63.11 0.07 62.5 212 -29.7 29.7
BW2S P 55.33 0.10 1.31 55.38 -0.05 62.7 214 -28.7 28.7
BW2S S 63.47 0.10 1.18 63.16 0.31 62.7 214 -29.7 29.7
TV1H P 73.24 0.10 1.19 73.27 -0.03 187.7 278 -42.6 42.6
TV1H S 94.73 0.10 1.07 94.15 0.58 187.7 278 -44.2 44.2
CTAO P 81.12 0.10 1.16 80.97 0.15 249.2 255 -42.6 42.6
CTAO S 106.53 0.10 1.05 107.45 -0.92 249.2 255 -44.2 44.2
8 times used, S = 0.397
Velocity Ratios
BW1H BW2S TV1H CTAO
BW1H 1.80 0.00 1.75 1.67
0.03 0.00 0.03 0.02
BW2S 0.00 1.80 1.75 1.67
0.00 0.03 0.03 0.02
TV1H 1.75 1.75 1.77 1.50
0.03 0.03 0.01 0.07
CTAO 1.67 1.67 1.50 1.71
0.02 0.02 0.07 0.01
Date 2023-05-08 Event type = E
Origin Time 0317 45.87 +- 5.14
Zone 56
Easting 315.24 +- 56.76 Longitude 151.169
Northing 7231.84 +- 12.75 Latitude -25.018
Depth 10.00 +- 57.35 N
Arrival times = 6 S.D. = 0.349 Seismographs = 3
Nearest recorder = 39.9 km Gap = 213.5 deg Accuracy = G
Effects Code = Imax = 0 Fault =
20 km S (172 deg) of MNT
AUSTRALIA
QUEENSLAND
329 km NW (325 deg) of BRISBANE
120 km W (262 deg) of BUNDABERG
19 km S (165 deg) of MONTO
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
RMQ 292 1.8
EIDS 41 2.3
RK1H 193 1.8
Mean 2.0 Assign ML 2.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
EIDS i-P 52.65 0.10 1.36 52.70 -0.05 39.9 192 -28.7 28.7
EIDS S 57.92 0.10 1.22 57.91 0.01 39.9 192 -29.7 29.7
RK1H P 74.22 0.10 1.19 74.60 -0.38 193.2 339 -42.6 42.6
RK1H S 96.17 0.10 1.07 95.93 0.24 193.2 339 -44.2 44.2
RMQ P 87.64 0.10 1.14 87.08 0.56 292.1 235 -42.6 42.6
RMQ S 117.13 0.10 1.03 117.50 -0.37 292.1 235 -44.2 44.2
6 times used, S = 0.349
Velocity Ratios
EIDS RK1H RMQ
EIDS 1.78 1.77 1.69
0.04 0.03 0.02
RK1H 1.77 1.77 1.56
0.03 0.01 0.04
RMQ 1.69 1.56 1.71
0.02 0.04 0.01
Date 2023-05-08 Event type = A
Origin Time 0320 3.64 +- 10.71
Zone 56
Easting 293.75 +- 38.59 Longitude 150.956
Northing 7232.73 +- 20.22 Latitude -25.007
Depth 10.00 +- 81.50 N
Arrival times = 6 S.D. = 0.600 Seismographs = 3
Nearest recorder = 42.1 km Gap = 177.3 deg Accuracy = H
Effects Code = Imax = 0 Fault =
26 km SW (223 deg) of MNT
AUSTRALIA
QUEENSLAND
342 km NW (322 deg) of BRISBANE
132 km S (193 deg) of GLADSTONE
24 km SW (224 deg) of MONTO
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
RMQ 275 1.5
EIDS 43 1.7
RK1H 185 1.3
Mean 1.5 Assign ML 1.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
EIDS i-P 10.84 0.10 1.35 10.79 0.05 42.1 162 -28.7 28.7
EIDS S 16.13 0.10 1.22 16.25 -0.12 42.1 162 -29.7 29.7
RK1H P 30.86 0.10 1.19 31.40 -0.54 185.4 345 -42.6 42.6
RK1H S 52.26 0.10 1.07 52.01 0.25 185.4 345 -44.2 44.2
RMQ P 43.77 0.10 1.15 42.75 1.02 275.4 232 -42.6 42.6
RMQ S 70.90 0.10 1.04 71.64 -0.74 275.4 232 -44.2 44.2
6 times used, S = 0.600
Velocity Ratios
EIDS RK1H RMQ
EIDS 1.73 1.80 1.66
0.04 0.03 0.02
RK1H 1.80 1.79 1.44
0.03 0.01 0.04
RMQ 1.66 1.44 1.68
0.02 0.04 0.01
Date 2023-05-10 Event type = A
Origin Time 1227 44.28 +- 0.00
Zone 55
Easting 682.23 +- 0.00 Longitude 148.739
Northing 7817.71 +- 0.00 Latitude -19.728
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.060 Seismographs = 2
Nearest recorder = 60.9 km Gap = 358.8 deg Accuracy = Z
Effects Code = Imax = 0 Fault =
60 km NE ( 59 deg) of BW1H
AUSTRALIA
QUEENSLAND
962 km NW (332 deg) of BRISBANE
261 km E ( 82 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 1.5
Mean 1.5 Assign ML 1.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 54.30 0.10 1.31 54.24 0.06 60.9 239 -28.7 28.7
BW1H S 61.78 0.10 1.18 61.82 -0.04 60.9 239 -29.7 29.7
BW2S P 54.31 0.10 1.31 54.37 -0.06 61.8 240 -28.7 28.7
BW2S S 62.09 0.10 1.18 62.05 0.04 61.8 240 -29.7 29.7
4 times used, S = 0.060
Velocity Ratios
BW1H BW2S
BW1H 1.75 0.00
0.03 0.00
BW2S 0.00 1.78
0.00 0.03
Date 2023-05-10 Event type = A
Origin Time 1651 2.49 +- 8.96
Zone 55
Easting 682.44 +- 39.22 Longitude 148.745
Northing 7779.00 +- 59.18 Latitude -20.077
Depth 10.00 +- 55.99 N
Arrival times = 6 S.D. = 0.450 Seismographs = 3
Nearest recorder = 53.8 km Gap = 335.7 deg Accuracy = Q
Effects Code = Imax = 0 Fault =
51 km NE ( 48 deg) of PFD
AUSTRALIA
QUEENSLAND
927 km NW (331 deg) of BRISBANE
259 km E ( 90 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
BW1H 54 1.7
CTAO 260 1.3
TV1H 223 1.1
Mean 1.4 Assign ML 1.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 10.75 0.10 1.33 11.38 -0.63 53.8 278 -28.7 28.7
BW1H S 18.29 0.10 1.19 18.16 0.13 53.8 278 -29.7 29.7
TV1H P 35.10 0.10 1.17 35.09 0.01 223.4 293 -42.6 42.6
TV1H S 59.42 0.10 1.06 59.24 0.18 223.4 293 -44.2 44.2
CTAO P 40.35 0.10 1.16 39.70 0.65 260.3 269 -42.6 42.6
CTAO S 67.05 0.10 1.04 67.20 -0.15 260.3 269 -44.2 44.2
6 times used, S = 0.450
Velocity Ratios
BW1H TV1H CTAO
BW1H 1.91 1.69 1.65
0.04 0.02 0.02
TV1H 1.69 1.75 1.45
0.02 0.01 0.10
CTAO 1.65 1.45 1.71
0.02 0.10 0.01
Date 2023-05-19 Event type = E
Origin Time 1342 25.09 +- 11.02
Zone 55
Easting 676.79 +- 39.57 Longitude 148.702
Northing 7667.04 +- 34.21 Latitude -21.089
Depth 10.00 +- 73.32 N
Arrival times = 6 S.D. = 0.561 Seismographs = 5
Nearest recorder = 129.5 km Gap = 166.5 deg Accuracy = G
Effects Code = Imax = 0 Fault =
77 km S (158 deg) of PETE
AUSTRALIA
QUEENSLAND
831 km NW (327 deg) of BRISBANE
277 km SE (114 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
MTSU 563 2.6
BW1H 129 2.1
RK1H 314 1.9
CTAO 278 2.1
TV1H 284 1.8
Mean 2.1 Assign ML 2.1
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 46.14 0.10 1.23 45.33 0.81 129.5 338 -28.7 28.7
BW1H S 60.02 0.10 1.11 60.68 -0.66 129.5 338 -29.7 29.7
CTAO S 93.52 0.10 1.04 93.65 -0.13 278.0 293 -44.2 44.2
TV1H P 64.97 0.10 1.15 65.30 -0.33 283.9 315 -42.6 42.6
RK1H S 101.31 0.10 1.02 101.57 -0.26 314.6 144 -44.1 44.2
MTSU P 102.73 0.10 1.07 102.36 0.37 562.8 304 -40.2 42.5
6 times used, S = 0.561
Deferred Data
CTAO P 66.49 0.10 1.15 64.53 1.96 278.0 293 -42.6 42.6
TV1H S 96.25 0.10 1.03 94.99 1.26 283.9 315 -44.2 44.2
RK1H P 65.05 0.10 1.14 69.11 -4.06 314.6 144 -42.6 42.6
MTSU S 163.64 0.10 0.97 160.75 2.89 562.8 304 -38.3 42.4
Velocity Ratios
BW1H
BW1H 1.66
0.01
Date 2023-05-21 Event type = A
Origin Time 2126 19.33 +- 1.23
Zone 55
Easting 696.84 +- 4.18 Longitude 148.880
Northing 7803.98 +- 5.41 Latitude -19.850
Depth 10.49 +- 7.26
Arrival times = 17 S.D. = 0.450 Seismographs = 9
Nearest recorder = 69.5 km Gap = 203.5 deg Accuracy = D
Effects Code = Imax = 0 Fault =
69 km E ( 75 deg) of BW1H
AUSTRALIA
QUEENSLAND
943 km NW (333 deg) of BRISBANE
274 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 70 2.9
RK1H 426 2.5
CN1H 466 2.8
CTAO 276 3.0
TV1H 228 2.7
TV2S 228 2.9
Mean 2.8 Assign ML 2.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 30.79 0.10 1.30 30.57 0.22 69.5 255 0.6 28.7
BW1H S 38.45 0.10 1.17 39.12 -0.67 69.5 255 0.5 29.7
ASHS P 44.31 0.10 1.21 43.45 0.86 156.9 280 -33.0 42.6
ASHS S 61.85 0.10 1.09 61.41 0.44 156.9 280 -34.3 44.2
TV2S P 52.34 0.10 1.17 52.39 -0.05 227.9 285 -33.0 42.6
TV2S S 76.71 0.10 1.05 76.88 -0.17 227.9 285 -34.3 44.2
TV1H P 52.85 0.10 1.17 52.48 0.37 228.2 286 -33.0 42.6
TV1H S 76.66 0.10 1.05 77.04 -0.38 228.2 286 -34.3 44.2
CTAO P 59.15 0.10 1.15 58.45 0.70 275.9 264 -33.0 42.6
CTAO S 87.55 0.10 1.04 87.35 0.20 275.9 264 -34.3 44.2
RK1H P 77.48 0.10 1.10 77.84 -0.36 425.9 157 -34.4 42.4
CN1H P 82.97 0.10 1.09 83.36 -0.39 466.6 313 -35.3 42.2
CN1H S 130.64 0.10 0.98 131.00 -0.36 466.6 313 -34.7 43.2
MTSU P 89.77 0.10 1.08 90.09 -0.32 515.5 290 -36.4 42.1
MTSU S 142.80 0.10 0.97 143.11 -0.31 515.5 290 -34.9 42.7
EIDS P 107.89 0.10 1.06 108.24 -0.35 651.0 160 -39.1 42.5
EIDS S 176.48 0.10 0.95 176.35 0.13 651.0 160 -35.9 41.9
17 times used, S = 0.450
Deferred Data
RK1H S 119.38 0.10 0.99 121.19 -1.81 425.9 157 -34.6 43.5
Velocity Ratios
BW1H ASHS TV2S TV1H CTAO CN1H MTSU EIDS
BW1H 1.67 1.73 1.78 1.73 1.73 1.77 1.77 1.79
0.02 0.04 0.03 0.02 0.02 0.01 0.01 0.01
ASHS 1.73 1.70 1.85 1.73 1.73 1.78 1.78 1.80
0.04 0.01 0.07 0.07 0.04 0.01 0.01 0.01
TV2S 1.78 1.85 1.74 0.00 1.59 1.76 1.77 1.80
0.03 0.07 0.01 0.00 0.08 0.02 0.01 0.01
TV1H 1.73 1.73 0.00 1.71 1.73 1.79 1.79 1.81
0.02 0.07 0.00 0.01 0.09 0.02 0.02 0.01
CTAO 1.73 1.73 1.59 1.73 1.71 1.81 1.80 1.82
0.02 0.04 0.08 0.09 0.01 0.02 0.02 0.01
CN1H 1.77 1.78 1.76 1.79 1.81 1.75 1.79 1.84
0.01 0.01 0.02 0.02 0.02 0.00 0.08 0.02
MTSU 1.77 1.78 1.77 1.79 1.80 1.79 1.75 1.86
0.01 0.01 0.01 0.02 0.02 0.08 0.00 0.03
EIDS 1.79 1.80 1.80 1.81 1.82 1.84 1.86 1.77
0.01 0.01 0.01 0.01 0.01 0.02 0.03 0.00
Date 2023-05-31 Event type = A
Origin Time 0430 24.05 +- 0.00
Zone 55
Easting 683.29 +- 0.00 Longitude 148.749
Northing 7817.63 +- 0.00 Latitude -19.728
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.000 Seismographs = 2
Nearest recorder = 61.8 km Gap = 358.8 deg Accuracy = Z
Effects Code = Imax = 0 Fault =
61 km NE ( 60 deg) of BW1H
AUSTRALIA
QUEENSLAND
962 km NW (332 deg) of BRISBANE
262 km E ( 82 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
BW1H 62 1.9
BW2S 63 1.7
Mean 1.8 Assign ML 1.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 34.14 0.10 1.31 34.14 0.00 61.8 240 -28.7 28.7
BW1H S 41.82 0.10 1.18 41.82 -0.00 61.8 240 -29.7 29.7
BW2S P 34.27 0.10 1.31 34.27 -0.00 62.7 241 -28.7 28.7
BW2S S 42.05 0.10 1.18 42.05 0.00 62.7 241 -29.7 29.7
4 times used, S = 0.000
Velocity Ratios
BW1H BW2S
BW1H 1.76 0.00
0.03 0.00
BW2S 0.00 1.76
0.00 0.03