Data Report
Bulletin / 2023-02
Contributed by CUPWA
Date 2023-02-15 Event type = E
Origin Time 2331 8.15 +- 3.68
Zone 55
Easting 559.91 +- 12.22 Longitude 147.570
Northing 7886.13 +- 18.49 Latitude -19.117
Depth 10.00 +- 32.12 N
Arrival times = 8 S.D. = 0.589 Seismographs = 4
Nearest recorder = 82.9 km Gap = 217.9 deg Accuracy = G
Effects Code = Imax = 0 Fault =
53 km N ( 18 deg) of ASHS
89 km NE Townsville
AUSTRALIA
QUEENSLAND
173 km NE ( 52 deg) of CHARTERS TOWERS
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
MTSU 359 1.8
BW1H 120 1.7
CTAO 175 1.8
TV1H 83 1.4
Mean 1.7 Assign ML 1.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
TV1H P 22.12 0.10 1.28 21.46 0.66 82.9 258 -28.7 28.7
TV1H S 31.36 0.10 1.15 31.58 -0.22 82.9 258 -29.7 29.7
BW1H P 26.87 0.10 1.24 27.05 -0.18 120.6 144 -28.7 28.7
BW1H S 41.46 0.10 1.12 41.38 0.08 120.6 144 -29.7 29.7
CTAO P 35.23 0.10 1.20 34.60 0.63 174.8 231 -42.6 42.6
CTAO S 53.67 0.10 1.08 54.27 -0.60 174.8 231 -44.2 44.2
MTSU P 56.95 0.10 1.12 57.94 -0.99 359.3 286 -42.4 42.6
MTSU S 95.05 0.10 1.01 94.65 0.40 359.3 286 -43.8 44.0
8 times used, S = 0.589
Velocity Ratios
TV1H BW1H CTAO MTSU
TV1H 1.66 2.13 1.70 1.83
0.02 0.14 0.04 0.02
BW1H 2.13 1.78 1.46 1.78
0.14 0.01 0.06 0.02
CTAO 1.70 1.46 1.68 1.91
0.04 0.06 0.01 0.03
MTSU 1.83 1.78 1.91 1.78
0.02 0.02 0.03 0.01
Date 2023-02-19 Event type = E
Origin Time 1053 32.60 +- 0.00
Zone 56
Easting 360.93 +- 0.00 Longitude 151.620
Northing 7213.31 +- 0.00 Latitude -25.190
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.704 Seismographs = 2
Nearest recorder = 26.5 km Gap = 180.0 deg Accuracy = Q
Effects Code = Imax = 0 Fault =
26 km W (249 deg) of FS03
AUSTRALIA
QUEENSLAND
289 km NW (331 deg) of BRISBANE
82 km SW (244 deg) of BUNDABERG
75 km NW (332 deg) of STOCKHAVEN STATION
2 km SW (205 deg) of MOUNT PERRY
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
FS03 28 0.8
EIDS 58 0.7
Mean 0.8 Assign ML 0.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
FS03 P 37.89 0.10 1.40 37.44 0.45 26.5 69 -28.7 28.7
FS03 S 40.55 0.10 1.26 41.16 -0.61 26.5 69 -29.7 29.7
EIDS P 42.73 0.10 1.32 42.09 0.64 57.7 249 -28.7 28.7
EIDS S 48.58 0.10 1.19 49.32 -0.74 57.7 249 -29.7 29.7
4 times used, S = 0.704
Velocity Ratios
FS03 EIDS
FS03 1.50 1.66
0.05 0.11
EIDS 1.66 1.58
0.11 0.03
Date 2023-02-22 Event type = E
Origin Time 2139 54.11 +- 0.00
Zone 56
Easting 459.93 +- 0.00 Longitude 152.604
Northing 7289.62 +- 0.00 Latitude -24.507
Depth 10.00 +- 0.00 N
Arrival times = 4 S.D. = 0.563 Seismographs = 2
Nearest recorder = 99.9 km Gap = 350.3 deg Accuracy = Q
Effects Code = Imax = 0 Fault =
82 km NE ( 52 deg) of GT01
AUSTRALIA
QUEENSLAND
331 km N (353 deg) of BRISBANE
72 km E ( 80 deg) of ROSEDALE
48 km NE ( 33 deg) of BUNDABERG
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
FS03 100 1.6
EIDS 181 1.9
Mean 1.8 Assign ML 1.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
FS03 P 69.43 0.10 1.26 69.95 -0.52 99.9 227 -28.7 28.7
FS03 S 82.34 0.10 1.13 81.98 0.36 99.9 227 -29.7 29.7
EIDS P 81.91 0.10 1.20 81.32 0.59 181.0 237 -42.6 42.6
EIDS S 101.13 0.10 1.08 101.55 -0.42 181.0 237 -44.2 44.2
4 times used, S = 0.563
Velocity Ratios
FS03 EIDS
FS03 1.84 1.51
0.02 0.04
EIDS 1.51 1.69
0.04 0.01
Date 2023-02-24 Event type = E
Origin Time 1947 1.61 +- 11.52
Zone 53
Easting 694.34 +- 22.76 Longitude 136.876
Northing 7624.53 +- 39.70 Latitude -21.471
Depth 10.00 +- 74.14 N
Arrival times = 6 S.D. = 0.607 Seismographs = 3
Nearest recorder = 294.9 km Gap = 159.0 deg Accuracy = G
Effects Code = Imax = 0 Fault =
295 km SE (124 deg) of WR10
AUSTRALIA
NORTHERN TERRITORY
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
AS18 385 2.6
QIS 301 2.5
WR10 295 2.3
Mean 2.5 Assign ML 2.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
WR10 P 43.22 0.10 1.14 43.17 0.05 294.9 304 -42.6 42.6
WR10 S 73.86 0.10 1.03 73.84 0.02 294.9 304 -44.2 44.2
QIS P 43.02 0.10 1.14 44.00 -0.98 301.6 70 -42.6 42.6
QIS S 76.13 0.10 1.03 75.28 0.85 301.6 70 -44.2 44.2
AS18 P 55.19 0.10 1.11 54.89 0.30 385.8 229 -42.2 42.5
AS18 S 94.14 0.10 1.00 94.23 -0.09 385.8 229 -43.3 43.8
6 times used, S = 0.607
Velocity Ratios
WR10 QIS AS18
WR10 1.74 0.00 1.69
0.01 0.00 0.05
QIS 0.00 1.80 1.48
0.00 0.01 0.04
AS18 1.69 1.48 1.73
0.05 0.04 0.01