Data Report
Bulletin / 2023-10
Contributed by CUPWA
Date 2023-10-12 Event type = E
Origin Time 1609 18.85 +- 1.72
Zone 56
Easting 344.34 +- 8.19 Longitude 151.531
Northing 8026.30 +- 12.91 Latitude -17.845
Depth 143.81 +- 28.67
Arrival times = 14 S.D. = 0.521 Seismographs = 7
Nearest recorder = 421.0 km Gap = 276.7 deg Accuracy = D
Effects Code = Imax = 0 Fault =
421 km NE ( 55 deg) of BW1H
AUSTRALIA
Place names undefined for this area
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
EIDS 835 3.3
MTSU 768 3.1
BW1H 445 2.9
BW2S 446 2.8
CTAO 617 2.9
TV1H 544 2.6
TV2S 545 2.8
Mean 2.9 Assign ML 2.9
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 76.68 0.10 1.11 76.86 -0.18 421.6 234 14.8 45.4
BW1H S 120.03 0.10 0.99 119.77 0.26 421.6 234 15.2 46.4
BW2S P 76.67 0.10 1.10 76.95 -0.28 422.4 234 14.7 45.4
BW2S S 120.73 0.10 0.99 119.93 0.80 422.4 234 15.1 46.4
TV1H P 88.48 0.10 1.08 89.34 -0.86 524.0 251 7.5 45.2
TV1H S 141.75 0.10 0.97 142.55 -0.80 524.0 251 8.3 45.4
TV2S P 89.87 0.10 1.08 89.51 0.36 525.6 251 7.4 45.2
TV2S S 142.26 0.10 0.97 142.87 -0.61 525.6 251 8.2 45.4
CTAO P 99.96 0.10 1.07 99.43 0.53 608.2 244 2.1 45.3
CTAO S 161.68 0.10 0.96 161.45 0.23 608.2 244 2.9 44.6
MTSU P 118.62 0.10 1.04 118.25 0.37 763.8 266 -4.0 44.6
MTSU S 195.91 0.10 0.94 195.60 0.31 763.8 266 -2.2 44.4
EIDS P 126.92 0.10 1.03 126.64 0.28 833.4 183 -5.6 45.2
EIDS S 208.46 0.10 0.93 208.87 -0.41 833.4 183 -10.8 49.6
14 times used, S = 0.521
Velocity Ratios
BW1H BW2S TV1H TV2S CTAO MTSU EIDS
BW1H 1.75 0.00 1.84 1.69 1.79 1.81 1.76
0.00 0.00 0.05 0.04 0.02 0.01 0.01
BW2S 0.00 1.76 1.78 1.63 1.76 1.79 1.75
0.00 0.00 0.05 0.04 0.02 0.01 0.01
TV1H 1.84 1.78 1.77 0.00 1.74 1.80 1.74
0.05 0.05 0.00 0.00 0.05 0.02 0.01
TV2S 1.69 1.63 0.00 1.74 1.92 1.87 1.79
0.04 0.04 0.00 0.00 0.06 0.02 0.02
CTAO 1.79 1.76 1.74 1.92 1.76 1.83 1.74
0.02 0.02 0.05 0.06 0.00 0.03 0.02
MTSU 1.81 1.79 1.80 1.87 1.83 1.77 1.51
0.01 0.01 0.02 0.02 0.03 0.00 0.06
EIDS 1.76 1.75 1.74 1.79 1.74 1.51 1.75
0.01 0.01 0.01 0.02 0.02 0.06 0.00
Date 2023-10-14 Event type = E
Origin Time 1021 33.06 +- 11.07
Zone 56
Easting 674.90 +- 413.40 Longitude 154.770
Northing 6958.56 +- 70.49 Latitude -27.485
Depth 10.00 +- 424.17 N
Arrival times = 7 S.D. = 1.310 Seismographs = 5
Nearest recorder = 153.4 km Gap = 280.6 deg Accuracy = Q
Effects Code = Imax = 0 Fault =
138 km E ( 70 deg) of GC2
AUSTRALIA
QUEENSLAND
208 km SE (126 deg) of NOOSA
173 km E ( 91 deg) of BRISBANE
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
RMQ 606 2.2
EIDS 436 2.9
ARMA 446 2.8
BRS 197 2.5
GC2F 153 2.9
Mean 2.7 Assign ML 2.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
GC2F P 57.52 0.10 1.21 56.78 0.74 153.4 241 -42.6 42.6
GC2F S 74.93 0.10 1.09 74.46 0.47 153.4 241 -44.2 44.2
BRS P 64.53 0.10 1.19 62.40 2.13 197.6 272 -42.6 42.6
BRS S 83.20 0.10 1.07 84.18 -0.98 197.6 272 -44.2 44.2
EIDS P 92.67 0.10 1.10 93.01 -0.34 436.1 301 -41.7 42.4
ARMA P 92.99 0.10 1.10 94.50 -1.51 446.4 222 -41.6 42.3
RMQ P 115.10 0.10 1.07 116.24 -1.14 607.0 279 -39.7 42.5
7 times used, S = 1.310
Deferred Data
EIDS S 131.93 0.10 0.99 137.47 -5.54 436.1 301 -42.1 43.4
ARMA S 129.95 0.10 0.99 140.10 -10.15 446.4 222 -41.8 43.4
RMQ S 158.33 0.10 0.96 179.59 -21.26 607.0 279 -37.1 42.1
Velocity Ratios
GC2F BRS
GC2F 1.71 1.18
0.01 0.06
BRS 1.18 1.59
0.06 0.01
Date 2023-10-17 Event type = E
Origin Time 1456 40.55 +- 7.09
Zone 53
Easting 779.43 +- 12.08 Longitude 137.784
Northing 7158.67 +- 17.66 Latitude -25.663
Depth 10.00 +- 49.75 N
Arrival times = 8 S.D. = 0.835 Seismographs = 5
Nearest recorder = 314.8 km Gap = 92.0 deg Accuracy = D
Effects Code = Imax = 0 Fault =
314 km NE ( 41 deg) of OOD
AUSTRALIA
NORTHERN TERRITORY
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
AS19 443 2.4
QIS 596 2.8
QLP 652 2.9
INKA 374 2.5
OOD 315 1.8
Mean 2.5 Assign ML 2.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
OOD P 84.31 0.10 1.14 84.61 -0.30 315.0 220 -42.6 42.6
INKA S 131.71 0.10 1.01 130.48 1.23 374.6 128 -43.5 43.9
AS19 P 101.29 0.10 1.10 101.51 -0.22 443.3 298 -41.6 42.3
AS19 S 146.95 0.10 0.99 146.77 0.18 443.3 298 -41.9 43.3
QIS P 121.73 0.10 1.07 122.13 -0.40 595.0 18 -39.8 42.5
QIS S 184.84 0.10 0.96 184.15 0.69 595.0 18 -37.3 42.2
QLP P 130.29 0.10 1.06 129.77 0.52 653.0 100 -39.4 42.5
QLP S 196.45 0.10 0.95 198.13 -1.68 653.0 100 -36.2 41.9
8 times used, S = 0.835
Deferred Data
OOD S 114.94 0.10 1.02 117.11 -2.17 315.0 220 -44.1 44.2
INKA P 95.52 0.10 1.12 92.30 3.22 374.6 128 -42.3 42.5
Velocity Ratios
AS19 QIS QLP
AS19 1.75 1.85 1.71
0.00 0.03 0.02
QIS 1.85 1.78 1.36
0.03 0.00 0.06
QLP 1.71 1.36 1.74
0.02 0.06 0.00
Date 2023-10-20
Origin Time 1248 0.33 +- 0.00
Zone 55
Easting 685.47 +- 0.00 Longitude 148.770
Northing 7815.01 +- 0.00 Latitude -19.752
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.005 Seismographs = 2
Nearest recorder = 62.5 km Gap = 358.9 deg Accuracy = Z
Effects Code = Imax = 0 Fault =
62 km NE ( 63 deg) of BW1H
AUSTRALIA
QUEENSLAND
958 km NW (332 deg) of BRISBANE
264 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 63 1.1
BW2S 64 1.2
Mean 1.1 Assign ML 1.1
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 10.52 0.10 1.31 10.52 -0.00 62.5 243 -28.7 28.7
BW1H S 18.29 0.10 1.18 18.29 0.00 62.5 243 -29.7 29.7
BW2S P 10.67 0.10 1.31 10.67 0.00 63.5 244 -28.7 28.7
BW2S S 18.53 0.10 1.18 18.53 -0.00 63.5 244 -29.7 29.7
4 times used, S = 0.005
Velocity Ratios
BW1H BW2S
BW1H 1.76 0.00
0.03 0.00
BW2S 0.00 1.76
0.00 0.03
Date 2023-10-21 Event type = E
Origin Time 1511 6.49 +- 3.42
Zone 54
Easting 725.36 +- 5.04 Longitude 143.585
Northing 5732.08 +- 18.79 Latitude -38.531
Depth 18.78 +- 42.36
Arrival times = 10 S.D. = 0.360 Seismographs = 10
Nearest recorder = 248.9 km Gap = 236.7 deg Accuracy = D
Effects Code = Imax = 0 Fault =
11 km W (271 deg) of FRTM
AUSTRALIA
VICTORIA
145 km SW (237 deg) of MELBOURNE
80 km SW (238 deg) of GEELONG
37 km N ( 10 deg) of CAPE OTWAY
20 km S (179 deg) of COLAC
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
ARPS 249 4.3
ARMA 1160 5.8
CMSA 797 4.9
FORT 1651 6.6
LCRK 1020 5.6
GHSS 599 5.5
HTT 703 5.3
INKA 1221 6.4
KELC 655 3.9
Mean 5.4 Assign ML 5.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
ARPS S 70.48 0.10 1.05 70.78 -0.30 248.9 321 -34.8 45.7
GHSS S 149.37 0.10 0.96 149.31 0.06 598.7 310 -34.9 45.7
CNB S 156.02 0.10 0.96 156.10 -0.08 627.8 56 -35.0 45.7
KELC P 95.31 0.10 1.06 95.55 -0.24 656.5 293 -36.8 52.2
HTT S 173.86 0.10 0.94 173.62 0.24 704.8 322 -35.3 45.7
CMSA S 195.01 0.10 0.93 195.15 -0.14 799.2 14 -36.0 45.7
LCRK P 142.21 0.10 1.01 141.40 0.81 1022.7 329 -41.3 53.3
ARMA S 277.15 0.10 0.90 276.97 0.18 1163.2 41 -37.7 46.9
INKA P 165.95 0.10 1.00 166.38 -0.43 1225.0 346 -41.9 54.3
FORT P 218.20 0.10 1.00 218.22 -0.02 1658.2 296 -44.3 55.5
10 times used, S = 0.360
Deferred Data
ARPS i-P 45.99 0.10 1.16 43.48 2.51 248.9 321 -36.0 52.0
GHSS P 89.72 0.10 1.07 88.21 1.51 598.7 310 -36.3 52.1
CNB P 93.68 0.10 1.06 92.05 1.63 627.8 56 -36.5 52.1
KELC S 141.90 0.10 0.95 162.45 -20.55 656.5 293 -35.1 45.6
HTT P 103.20 0.10 1.05 101.79 1.41 704.8 322 -37.4 52.2
CMSA P 115.39 0.10 1.04 113.60 1.79 799.2 14 -38.9 52.7
LCRK S 240.94 0.10 0.91 245.74 -4.80 1022.7 329 -37.4 46.2
INKA S 287.69 0.10 0.90 290.38 -2.69 1225.0 346 -38.3 47.1
BRS P 153.43 0.10 1.00 199.86 -46.43 1502.4 37 -43.6 55.5
BRS S 281.84 0.10 0.90 350.82 -68.98 1502.4 37 -39.7 47.9
FORT S 381.02 0.10 0.90 383.93 -2.91 1658.2 296 -40.1 48.6
NO VELOCITY RATIOS
Date 2023-10-22 Event type = A
Origin Time 0946 59.34 +- 2.11
Zone 55
Easting 667.02 +- 19.85 Longitude 148.593
Northing 7827.91 +- 6.64 Latitude -19.637
Depth 5.72 +- 22.37
Arrival times = 12 S.D. = 0.458 Seismographs = 6
Nearest recorder = 55.2 km Gap = 292.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
55 km NE ( 42 deg) of BW1H
AUSTRALIA
QUEENSLAND
978 km NW (332 deg) of BRISBANE
248 km E ( 79 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
ASHS 124 2.7
MTSU 479 2.7
BW1H 55 2.6
BW2S 55 1.9
CTAO 249 2.4
TV2S 193 2.2
Mean 2.4 Assign ML 2.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 68.47 0.10 1.32 68.80 -0.33 55.2 222 -28.7 28.7
BW1H S 76.31 0.10 1.19 76.03 0.28 55.2 222 -29.7 29.7
BW2S P 68.66 0.10 1.32 68.87 -0.21 55.7 223 -28.7 28.7
BW2S S 76.53 0.10 1.19 76.15 0.38 55.7 223 -29.7 29.7
ASHS P 78.99 0.10 1.24 79.14 -0.15 124.2 272 -28.7 28.7
ASHS S 94.10 0.10 1.11 94.18 -0.08 124.2 272 -29.7 29.7
TV2S P 88.11 0.10 1.19 88.58 -0.47 193.2 281 -42.6 42.6
TV2S S 109.96 0.10 1.07 110.33 -0.37 193.2 281 -44.2 44.2
CTAO P 96.10 0.10 1.16 95.73 0.37 249.8 258 -42.6 42.6
CTAO S 122.00 0.10 1.05 122.68 -0.68 249.8 258 -44.2 44.2
MTSU P 126.52 0.10 1.09 125.65 0.87 479.2 289 -41.1 42.2
MTSU S 175.73 0.10 0.98 175.06 0.67 479.2 289 -40.7 43.1
12 times used, S = 0.458
Velocity Ratios
BW1H BW2S ASHS TV2S CTAO MTSU
BW1H 1.86 0.00 1.69 1.71 1.65 1.71
0.03 0.00 0.05 0.03 0.02 0.01
BW2S 0.00 1.84 1.70 1.72 1.66 1.71
0.00 0.03 0.05 0.03 0.02 0.01
ASHS 1.69 1.70 1.77 1.74 1.63 1.72
0.05 0.05 0.01 0.06 0.03 0.01
TV2S 1.71 1.72 1.74 1.76 1.51 1.71
0.03 0.03 0.06 0.01 0.06 0.01
CTAO 1.65 1.66 1.63 1.51 1.70 1.77
0.02 0.02 0.03 0.06 0.01 0.02
MTSU 1.71 1.71 1.72 1.71 1.77 1.73
0.01 0.01 0.01 0.01 0.02 0.00
Date 2023-10-24 Event type = E
Origin Time 1238 5.55 +- 0.53
Zone 55
Easting 506.28 +- 1.84 Longitude 147.065
Northing 6758.31 +- 2.47 Latitude -29.304
Depth 18.88 +- 5.11
Arrival times = 14 S.D. = 0.245 Seismographs = 8
Nearest recorder = 89.9 km Gap = 72.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
89 km W (278 deg) of LRHS
AUSTRALIA
NEW SOUTH WALES
618 km W (249 deg) of BRISBANE
139 km NE ( 52 deg) of BOURKE
76 km N ( 14 deg) of BREWARRINA
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
LRHS 91 3.6
RMQ 353 4.0
EIDS 590 4.1
ARMA 458 4.0
CMSA 281 3.6
MGCD 579 4.2
QLP 410 4.1
STKA 597 4.9
YNG 568 4.2
INKA 641 4.5
Mean 4.1 Assign ML 4.1
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
LRHS P 19.87 0.10 1.27 19.95 -0.08 89.9 99 7.0 29.5
LRHS S 30.91 0.10 1.14 30.88 0.03 89.9 99 7.0 30.5
RMQ P 53.89 0.10 1.12 53.84 0.05 353.5 28 -33.2 42.6
RMQ S 89.40 0.10 1.01 89.40 -0.00 353.5 28 -34.4 44.0
QLP P 61.60 0.10 1.11 61.28 0.32 410.3 316 -34.1 42.4
QLP S 102.34 0.10 1.00 102.47 -0.13 410.3 316 -34.5 43.6
ARMA P 67.41 0.10 1.10 67.78 -0.37 458.1 106 -35.1 42.3
ARMA S 114.04 0.10 0.99 114.06 -0.02 458.1 106 -34.6 43.3
YNG P 82.58 0.10 1.07 82.60 -0.02 567.6 167 -37.8 42.5
YNG S 140.79 0.10 0.97 140.98 -0.19 567.6 167 -35.5 42.4
MGCD S 144.30 0.10 0.96 143.83 0.47 579.3 139 -35.6 42.3
STKA P 86.90 0.10 1.07 86.49 0.41 596.9 239 -38.4 42.5
STKA S 147.88 0.10 0.96 148.16 -0.28 596.9 239 -35.7 42.2
INKA P 92.23 0.10 1.06 92.42 -0.19 642.1 284 -39.0 42.5
14 times used, S = 0.245
Deferred Data
CMSA P 47.50 0.10 1.15 44.57 2.93 280.6 207 -33.0 42.6
CMSA S 77.82 0.10 1.03 73.33 4.49 280.6 207 -34.3 44.2
MGCD P 85.31 0.10 1.07 84.14 1.17 579.3 139 -38.0 42.5
EIDS P 81.84 0.10 1.07 85.52 -3.68 589.7 43 -38.2 42.5
EIDS S 134.90 0.10 0.96 146.38 -11.48 589.7 43 -35.6 42.2
BRS P 83.25 0.10 1.07 86.72 -3.47 598.4 70 -38.4 42.5
BRS S 141.21 0.10 0.96 148.59 -7.38 598.4 70 -35.7 42.2
INKA S 155.93 0.10 0.95 159.06 -3.13 642.1 284 -35.8 41.9
Velocity Ratios
LRHS RMQ QLP ARMA YNG STKA
LRHS 1.77 1.72 1.71 1.75 1.75 1.75
0.02 0.02 0.01 0.01 0.01 0.01
RMQ 1.72 1.73 1.68 1.82 1.79 1.77
0.02 0.01 0.07 0.04 0.02 0.02
QLP 1.71 1.68 1.73 2.01 1.83 1.80
0.01 0.07 0.00 0.11 0.03 0.02
ARMA 1.75 1.82 2.01 1.75 1.76 1.74
0.01 0.04 0.11 0.00 0.04 0.03
YNG 1.75 1.79 1.83 1.76 1.76 1.64
0.01 0.02 0.03 0.04 0.00 0.13
STKA 1.75 1.77 1.80 1.74 1.64 1.75
0.01 0.02 0.02 0.03 0.13 0.00
Date 2023-10-27 Event type = A
Origin Time 1544 58.83 +- 0.00
Zone 55
Easting 683.86 +- 0.00 Longitude 148.755
Northing 7813.96 +- 0.00 Latitude -19.761
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.016 Seismographs = 2
Nearest recorder = 60.6 km Gap = 358.9 deg Accuracy = Z
Effects Code = Imax = 0 Fault =
60 km NE ( 63 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 1.2
BW2S 62 1.0
Mean 1.1 Assign ML 1.1
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 68.76 0.10 1.31 68.74 0.02 60.6 243 -28.7 28.7
BW1H S 76.28 0.10 1.18 76.29 -0.01 60.6 243 -29.7 29.7
BW2S P 68.87 0.10 1.31 68.89 -0.02 61.6 244 -28.7 28.7
BW2S S 76.55 0.10 1.18 76.54 0.01 61.6 244 -29.7 29.7
4 times used, S = 0.016
Velocity Ratios
BW1H BW2S
BW1H 1.76 0.00
0.03 0.00
BW2S 0.00 1.77
0.00 0.03
Date 2023-10-31 Event type = A
Origin Time 1232 17.82 +- 0.00
Zone 55
Easting 682.94 +- 0.00 Longitude 148.746
Northing 7815.14 +- 0.00 Latitude -19.751
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.022 Seismographs = 2
Nearest recorder = 60.3 km Gap = 358.8 deg Accuracy = Z
Effects Code = Imax = 0 Fault =
60 km NE ( 62 deg) of BW1H
AUSTRALIA
QUEENSLAND
960 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 61 1.1
BW2S 62 1.2
Mean 1.1 Assign ML 1.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 27.67 0.10 1.31 27.69 -0.02 60.3 242 -28.7 28.7
BW1H S 35.22 0.10 1.18 35.20 0.02 60.3 242 -29.7 29.7
BW2S P 27.85 0.10 1.31 27.83 0.02 61.2 243 -28.7 28.7
BW2S S 35.43 0.10 1.18 35.45 -0.02 61.2 243 -29.7 29.7
4 times used, S = 0.022
Velocity Ratios
BW1H BW2S
BW1H 1.77 0.00
0.03 0.00
BW2S 0.00 1.76
0.00 0.03
Date 2023-10-31 Event type = A
Origin Time 1312 32.18 +- 0.00
Zone 55
Easting 689.43 +- 0.00 Longitude 148.810
Northing 7794.98 +- 0.00 Latitude -19.932
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.004 Seismographs = 2
Nearest recorder = 60.6 km Gap = 359.2 deg Accuracy = Z
Effects Code = Imax = 0 Fault =
60 km E ( 82 deg) of BW1H
AUSTRALIA
QUEENSLAND
939 km NW (332 deg) of BRISBANE
266 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 1.2
BW2S 62 1.2
Mean 1.2 Assign ML 1.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 42.08 0.10 1.31 42.08 -0.00 60.6 262 -28.7 28.7
BW1H S 49.63 0.10 1.18 49.63 0.00 60.6 262 -29.7 29.7
BW2S P 42.28 0.10 1.31 42.28 0.00 61.9 263 -28.7 28.7
BW2S S 49.96 0.10 1.18 49.96 -0.00 61.9 263 -29.7 29.7
4 times used, S = 0.004
Velocity Ratios
BW1H BW2S
BW1H 1.76 0.00
0.03 0.00
BW2S 0.00 1.76
0.00 0.03
Date 2023-10-31 Event type = A
Origin Time 1401 7.52 +- 0.00
Zone 55
Easting 674.54 +- 0.00 Longitude 148.672
Northing 7745.81 +- 0.00 Latitude -20.378
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.005 Seismographs = 2
Nearest recorder = 61.5 km Gap = 359.6 deg Accuracy = Z
Effects Code = Imax = 0 Fault =
26 km E ( 75 deg) of PETE
AUSTRALIA
QUEENSLAND
901 km NW (330 deg) of BRISBANE
253 km E ( 98 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 63 1.1
Mean 1.2 Assign ML 1.1
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BW1H P 17.57 0.10 1.31 17.57 -0.00 61.5 312 -28.7 28.7
BW1H S 25.23 0.10 1.18 25.23 0.00 61.5 312 -29.7 29.7
BW2S P 17.80 0.10 1.31 17.80 0.00 63.0 311 -28.7 28.7
BW2S S 25.61 0.10 1.18 25.61 -0.00 63.0 311 -29.7 29.7
4 times used, S = 0.005
Deferred Data
TV1H P 34.93 0.10 1.20 41.23 -6.30 232.2 301 -42.6 42.6
TV1H S 55.09 0.10 1.08 66.18 -11.09 232.2 301 -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