Data Report
Bulletin / 2022-04
Contributed by CUPWA
Date 2022-04-04
Origin Time 1154 2.98 +- 0.79
Zone 50
Easting 499.59 +- 3.36 Longitude 116.996
Northing 6307.68 +- 3.09 Latitude -33.370
Depth 2.46 +- 5.60
Arrival times = 8 S.D. = 0.026 Seismographs = 5
Nearest recorder = 0.8 km Gap = 153.4 deg Accuracy = A
Effects Code = Imax = 0 Fault =
0 km N ( 18 deg) of AJ03
WESTERN AUSTRALIA
198 km NW (336 deg) of ALBANY
191 km SE (146 deg) of PERTH
4 km SW (235 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
ARE 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ03 i P 3.41 0.03 2.15 3.40 0.01 0.8 198 71.8 71.8
AJ03 i S 3.68 0.20 1.32 3.69 -0.01 0.8 198 71.8 71.8
AJ02 P 3.59 0.03 2.06 3.56 0.02 2.6 14 43.1 43.1
AJ02 i S 3.94 0.30 1.17 3.97 -0.03 2.6 14 43.1 43.1
MP34 P 3.87 0.03 1.99 3.90 -0.03 5.1 304 25.7 25.7
MP34 S 4.56 0.30 1.13 4.54 0.02 5.1 304 25.7 25.7
ARVG P 3.93 0.10 1.56 3.95 -0.02 5.5 167 24.3 24.3
ARVH P 4.55 0.10 1.51 4.52 0.03 9.2 257 15.1 15.1
8 times used, S = 0.026
Deferred Data
ARVG S 4.68 0.30 1.12 4.63 0.05 5.5 167 24.3 24.3
ARE P 4.71 0.10 1.54 4.16 0.55 6.8 143 19.9 19.9
ARE S 6.10 0.30 0.99 4.97 1.13 6.8 143 19.9 19.9
ARVH S 5.68 0.30 1.09 5.59 0.09 9.2 257 15.1 15.1
Velocity Ratios
AJ03 AJ02 MP34
AJ03 1.63 0.00 0.00
0.61 0.00 0.00
AJ02 0.00 1.57 0.00
0.00 0.60 0.00
MP34 0.00 0.00 1.77
0.00 0.00 0.41
Date 2022-04-04
Origin Time 1154 2.77 +- 0.79
Zone 50
Easting 499.40 +- 4.90 Longitude 116.994
Northing 6307.63 +- 3.79 Latitude -33.370
Depth 3.09 +- 5.67
Arrival times = 7 S.D. = 0.028 Seismographs = 5
Nearest recorder = 0.7 km Gap = 147.8 deg Accuracy = A
Effects Code = Imax = 0 Fault =
0 km N ( 5 deg) of AJ03
WESTERN AUSTRALIA
198 km NW (336 deg) of ALBANY
191 km SE (146 deg) of PERTH
4 km SW (236 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
ARE 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ03 i P 3.41 0.03 2.16 3.38 0.03 0.7 185 74.4 77.6
AJ03 i S 3.68 0.20 1.33 3.70 -0.02 0.7 185 75.5 76.8
AJ02 P 3.59 0.03 2.05 3.57 0.02 2.7 18 41.2 52.9
AJ02 i S 3.94 0.30 1.17 3.98 -0.04 2.7 18 45.4 50.2
MP34 P 3.87 0.03 1.99 3.89 -0.02 5.0 306 21.2 41.6
ARVG P 3.93 0.10 1.56 3.96 -0.03 5.5 165 18.8 40.6
ARVH P 4.55 0.10 1.51 4.53 0.02 9.0 257 9.4 37.7
7 times used, S = 0.028
Deferred Data
AJ01 S-P 2.00 2.00 0.66 0.38 1.62 2.2 309 0.0 0.0
MP34 S 4.56 0.30 1.13 4.49 0.07 5.0 306 26.5 35.3
ARVG S 4.68 0.30 1.13 4.61 0.07 5.5 165 23.9 33.4
ARE P 4.71 0.10 1.54 4.19 0.52 6.9 141 13.6 38.8
ARE S 6.10 0.30 1.11 4.98 1.12 6.9 141 17.7 29.5
ARVH S 5.68 0.30 1.09 5.53 0.15 9.0 257 12.0 26.8
Velocity Ratios
AJ03 AJ02
AJ03 1.42 0.00
0.40 0.00
AJ02 0.00 1.43
0.00 0.43
Date 2022-04-04
Origin Time 1154 2.86 +- 12.89
Zone 50
Easting 498.94 +- 51.40 Longitude 116.989
Northing 6307.97 +- 38.91 Latitude -33.367
Depth 2.49 +- 101.25
Arrival times = 5 S.D. = 0.002 Seismographs = 3
Nearest recorder = 1.1 km Gap = 146.9 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km N (339 deg) of AJ03
WESTERN AUSTRALIA
198 km NW (336 deg) of ALBANY
190 km SE (146 deg) of PERTH
4 km SW (243 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
ARE 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ03 i P 3.41 0.03 2.13 3.41 -0.00 1.1 159 60.6 66.9
AJ03 i S 3.68 0.20 1.31 3.68 0.00 1.1 159 63.7 66.1
AJ02 P 3.59 0.03 2.06 3.59 0.00 2.6 30 31.9 47.1
AJ02 i S 3.94 0.30 1.17 3.94 -0.00 2.6 30 38.9 44.8
MP34 P 3.87 0.03 2.00 3.87 0.00 4.4 306 13.3 38.5
5 times used, S = 0.002
Deferred Data
AJ01 S-P 2.00 2.00 0.90 0.29 1.71 1.6 310 0.0 0.0
MP34 S 4.56 0.30 1.13 4.38 0.18 4.4 306 21.5 31.8
ARVG P 3.93 0.10 1.56 4.11 -0.18 5.9 162 7.8 37.4
ARVG S 4.68 0.30 1.13 4.77 -0.09 5.9 162 12.9 27.2
ARE P 4.71 0.10 1.54 4.36 0.35 7.4 140 5.4 37.0
ARE S 6.10 0.30 1.11 5.19 0.91 7.4 140 8.1 25.3
ARVH P 4.55 0.10 1.51 4.55 -0.00 8.6 254 4.3 36.9
ARVH S 5.68 0.30 1.09 5.50 0.18 8.6 254 6.1 24.8
Velocity Ratios
AJ03 AJ02
AJ03 1.50 0.00
0.47 0.00
AJ02 0.00 1.48
0.00 0.50
Date 2022-04-07
Origin Time 0622 44.05 +- 0.68
Zone 50
Easting 514.00 +- 16.39 Longitude 117.150
Northing 6320.51 +- 11.67 Latitude -33.254
Depth 2.72 +- 36.33
Arrival times = 8 S.D. = 0.030 Seismographs = 5
Nearest recorder = 17.2 km Gap = 137.5 deg Accuracy = B
Effects Code = Imax = 0 Fault =
11 km E ( 73 deg) of AR61
WESTERN AUSTRALIA
205 km N (341 deg) of ALBANY
189 km SE (140 deg) of PERTH
15 km NE ( 47 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ02 i P 46.86 0.05 1.66 46.88 -0.02 17.2 232 9.0 9.0
AJ02 i S 48.90 0.30 1.04 48.85 0.05 17.2 232 9.0 9.0
AJ01 P 47.32 0.05 1.64 47.33 -0.01 19.9 234 7.8 7.8
AJ01 i S 49.63 0.30 1.03 49.61 0.02 19.9 234 7.8 7.8
NWAO P 50.10 0.10 1.37 50.13 -0.03 37.1 12 4.6 4.6
NWAO S 54.40 1.00 0.78 54.34 0.06 37.1 12 4.6 4.6
AKUL P 62.65 0.20 1.09 62.63 0.02 113.8 55 1.5 1.5
RKGY P 68.20 0.20 1.06 68.19 0.01 151.1 185 -30.8 30.8
8 times used, S = 0.030
Deferred Data
AJ02 S-P 2.00 1.00 0.91 1.97 0.03 17.2 232 0.0 0.0
AJ01 S-P 2.30 2.00 0.79 2.28 0.02 19.9 234 0.0 0.0
AKUL S 76.20 1.00 0.71 75.51 0.69 113.8 55 1.5 1.5
ONGR P 65.50 0.20 1.07 65.78 -0.28 133.9 120 -30.8 30.8
KLBR P 74.10 0.20 1.04 73.74 0.36 192.9 17 -42.2 42.2
WATG P 86.90 0.20 1.00 86.26 0.64 296.6 19 -42.2 42.2
BCON P 90.80 0.30 0.91 90.16 0.64 328.6 10 -42.2 42.2
Velocity Ratios
AJ02 AJ01 NWAO
AJ02 1.73 0.00 0.00
0.14 0.00 0.00
AJ01 0.00 1.71 0.00
0.00 0.12 0.00
NWAO 0.00 0.00 1.71
0.00 0.00 0.20
Date 2022-04-07
Origin Time 0622 43.98 +- 3.78
Zone 50
Easting 513.34 +- 27.71 Longitude 117.143
Northing 6320.76 +- 21.70 Latitude -33.252
Depth 5.93 +- 121.15
Arrival times = 6 S.D. = 0.014 Seismographs = 4
Nearest recorder = 16.8 km Gap = 175.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
11 km E ( 71 deg) of AR61
WESTERN AUSTRALIA
205 km N (341 deg) of ALBANY
189 km SE (140 deg) of PERTH
15 km NE ( 44 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ02 i P 46.86 0.05 1.66 46.88 -0.02 16.8 230 19.5 19.5
AJ02 i S 48.90 0.30 1.05 48.89 0.01 16.8 230 19.5 19.5
AJ01 P 47.32 0.05 1.65 47.31 0.01 19.5 232 16.9 16.9
AJ01 i S 49.63 0.30 1.04 49.62 0.01 19.5 232 16.9 16.9
NWAO P 50.10 0.10 1.37 50.10 -0.00 37.0 13 9.5 9.5
AKUL P 62.65 0.20 1.08 62.64 0.01 114.3 55 3.1 3.1
6 times used, S = 0.014
Deferred Data
AJ02 S-P 2.00 1.00 0.91 2.01 -0.01 16.8 230 0.0 0.0
AJ01 S-P 2.30 2.00 0.79 2.31 -0.01 19.5 232 0.0 0.0
NWAO S 54.40 1.00 0.78 54.35 0.05 37.0 13 9.5 9.5
AKUL S 76.20 1.00 0.71 75.59 0.61 114.3 55 3.1 3.1
ONGR P 65.50 0.20 1.07 65.54 -0.04 134.6 120 -30.8 30.8
RKGY P 68.20 0.20 1.06 67.87 0.33 151.3 185 -30.8 30.8
KLBR P 74.10 0.20 1.04 73.31 0.79 192.8 17 -42.2 42.2
WATG P 86.90 0.20 1.00 85.83 1.07 296.6 19 -42.2 42.2
BCON P 90.80 0.30 0.91 89.72 1.08 328.5 10 -42.2 42.2
Velocity Ratios
AJ02 AJ01
AJ02 1.71 0.00
0.14 0.00
AJ01 0.00 1.69
0.00 0.12
Date 2022-04-07
Origin Time 0954 4.30 +- 0.00
Zone 50
Easting 498.49 +- 0.00 Longitude 116.984
Northing 6306.72 +- 0.00 Latitude -33.379
Depth -0.00 +- 0.00
Arrival times = 4 S.D. = 0.005 Seismographs = 3
Nearest recorder = 2.4 km Gap = 294.5 deg Accuracy = C
Effects Code = Imax = 0 Fault =
0 km W (257 deg) of AJ03
WESTERN AUSTRALIA
198 km NW (335 deg) of ALBANY
191 km SE (146 deg) of PERTH
5 km SW (234 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 4.68 0.03 2.07 4.69 -0.01 2.4 341 0.0 0.0
AJ01 i S 4.96 0.20 1.27 4.96 0.00 2.4 341 0.0 0.0
AJ02 i P 4.94 0.03 2.02 4.94 0.00 3.9 26 0.0 0.0
MP34 P 5.11 0.05 1.80 5.11 0.00 5.0 321 0.0 0.0
4 times used, S = 0.005
Deferred Data
AJ03 S-P 1.00 5.00 0.52 0.10 0.90 0.9 76 0.0 0.0
MP34 S 5.78 0.50 1.02 5.67 0.11 5.0 321 0.0 0.0
Velocity Ratios
AJ01
AJ01 1.73
0.71
Date 2022-04-07
Origin Time 1124 41.85 +- 1.17
Zone 50
Easting 498.45 +- 6.51 Longitude 116.983
Northing 6308.59 +- 8.96 Latitude -33.362
Depth 0.41 +- 43.78
Arrival times = 6 S.D. = 0.013 Seismographs = 5
Nearest recorder = 0.8 km Gap = 112.4 deg Accuracy = A
Effects Code = Imax = 0 Fault =
0 km SE (119 deg) of AJ01
WESTERN AUSTRALIA
199 km NW (336 deg) of ALBANY
189 km SE (146 deg) of PERTH
5 km W (253 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
ARE 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 42.00 0.03 2.15 42.00 -0.00 0.8 299 26.8 26.8
AJ02 i P 42.25 0.03 2.07 42.25 -0.00 2.4 47 9.7 9.7
AJ02 i S 42.56 0.50 1.06 42.53 0.03 2.4 47 9.7 9.7
MP34 P 42.44 0.10 1.59 42.45 -0.01 3.7 302 6.5 6.5
ARVG P 42.93 0.10 1.54 42.94 -0.01 6.7 160 3.6 3.6
ARVH P 43.23 0.10 1.52 43.21 0.02 8.3 249 2.9 2.9
6 times used, S = 0.013
Deferred Data
AJ01 i S 42.17 0.30 1.22 42.11 0.06 0.8 299 26.8 26.8
AJ03 S-P 1.00 3.00 0.83 0.22 0.78 1.9 152 0.0 0.0
MP34 S 42.98 0.50 1.04 42.87 0.11 3.7 302 6.5 6.5
ARVG S 43.78 1.00 0.87 43.69 0.09 6.7 160 3.6 3.6
ARE P 42.93 0.10 1.52 43.19 -0.26 8.2 140 2.9 2.9
ARVH S 44.33 1.00 0.86 44.15 0.18 8.3 249 2.9 2.9
Velocity Ratios
AJ02
AJ02 1.78
1.50
16 8.4 251 3.5 3.5
Velocity Ratios
AJ02
AJ02 1.75
1.45
Date 2022-04-07
Origin Time 1124 41.56 +- 0.89
Zone 50
Easting 498.43 +- 7.57 Longitude 116.983
Northing 6308.33 +- 16.48 Latitude -33.364
Depth 1.88 +- 12.98
Arrival times = 6 S.D. = 0.015 Seismographs = 5
Nearest recorder = 1.0 km Gap = 115.2 deg Accuracy = A
Effects Code = Imax = 0 Fault =
0 km SE (133 deg) of AJ01
WESTERN AUSTRALIA
199 km NW (335 deg) of ALBANY
189 km SE (146 deg) of PERTH
5 km W (250 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
ARE 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 42.00 0.03 2.14 42.00 -0.00 1.0 313 63.0 63.0
AJ02 i P 42.25 0.03 2.06 42.23 0.02 2.6 43 35.5 35.5
AJ02 i S 42.56 0.50 1.06 42.60 -0.04 2.6 43 35.5 35.5
MP34 P 42.44 0.10 1.59 42.44 -0.00 3.8 306 26.4 26.4
ARVG P 42.93 0.10 1.54 42.93 -0.00 6.4 159 -36.7 36.7
ARVH P 43.23 0.10 1.52 43.23 -0.00 8.2 250 -36.7 36.7
6 times used, S = 0.015
Deferred Data
AJ01 i S 42.17 0.30 1.22 42.24 -0.07 1.0 313 63.0 63.0
AJ03 S-P 1.00 3.00 0.83 0.29 0.71 1.7 147 0.0 0.0
MP34 S 42.98 0.50 1.04 42.92 0.06 3.8 306 26.4 26.4
ARVG S 43.78 1.00 0.87 43.71 0.07 6.4 159 16.3 16.3
ARE P 42.93 0.10 1.52 43.20 -0.27 8.0 139 -36.7 36.7
ARVH S 44.33 1.00 0.86 44.26 0.07 8.2 250 -27.7 27.7
Velocity Ratios
AJ02
AJ02 1.45
0.82
Date 2022-04-07
Origin Time 1124 41.59 +- 1.44
Zone 50
Easting 498.49 +- 4.39 Longitude 116.984
Northing 6308.18 +- 5.41 Latitude -33.365
Depth 1.51 +- 14.32
Arrival times = 7 S.D. = 0.023 Seismographs = 4
Nearest recorder = 1.1 km Gap = 148.6 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km SE (136 deg) of AJ01
WESTERN AUSTRALIA
199 km NW (335 deg) of ALBANY
190 km SE (146 deg) of PERTH
5 km W (248 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
ARE 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 42.00 0.03 2.13 41.98 0.02 1.1 316 53.9 53.9
AJ01 i S 42.17 0.30 1.21 42.20 -0.03 1.1 316 53.9 53.9
AJ02 i P 42.25 0.03 2.06 42.24 0.01 2.7 40 29.2 29.2
AJ02 i S 42.56 0.50 1.05 42.59 -0.03 2.7 40 29.2 29.2
MP34 P 42.44 0.10 1.59 42.47 -0.03 3.9 307 21.1 21.1
MP34 S 42.98 0.50 1.03 42.95 0.03 3.9 307 21.1 21.1
ARVG P 42.93 0.10 1.54 42.93 -0.00 6.3 159 13.6 13.6
7 times used, S = 0.023
Deferred Data
AJ03 S-P 1.00 3.00 0.84 0.24 0.76 1.5 146 0.0 0.0
ARVG S 43.78 1.00 0.88 43.66 0.12 6.3 159 13.6 13.6
ARE P 42.93 0.10 1.52 43.26 -0.33 7.9 139 -36.7 36.7
ARVH P 43.23 0.10 1.52 43.31 -0.08 8.2 252 -36.7 36.7
ARVH S 44.33 1.00 0.86 44.28 0.05 8.2 252 10.4 10.4
Velocity Ratios
AJ01 AJ02 MP34
AJ01 1.42 0.00 0.00
0.91 0.00 0.00
AJ02 0.00 1.47 0.00
0.00 0.87 0.00
MP34 0.00 0.00 1.64
0.00 0.00 0.89
Date 2022-04-07
Origin Time 1124 41.83 +- 0.72
Zone 50
Easting 498.52 +- 3.93 Longitude 116.984
Northing 6308.57 +- 4.67 Latitude -33.362
Depth 0.66 +- 15.11
Arrival times = 9 S.D. = 0.019 Seismographs = 5
Nearest recorder = 0.9 km Gap = 114.3 deg Accuracy = A
Effects Code = Imax = 0 Fault =
0 km SE (118 deg) of AJ01
WESTERN AUSTRALIA
199 km NW (336 deg) of ALBANY
189 km SE (146 deg) of PERTH
4 km W (253 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
ARE 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 42.00 0.03 2.15 42.02 -0.02 0.9 298 36.7 36.7
AJ01 i S 42.17 0.30 1.22 42.15 0.02 0.9 298 36.7 36.7
AJ02 i P 42.25 0.03 2.07 42.25 0.00 2.4 46 15.4 15.4
AJ02 i S 42.56 0.50 1.06 42.55 0.01 2.4 46 15.4 15.4
MP34 P 42.44 0.10 1.59 42.46 -0.02 3.7 302 10.1 10.1
MP34 S 42.98 0.50 1.04 42.93 0.05 3.7 302 10.1 10.1
ARVG P 42.93 0.10 1.54 42.93 -0.00 6.6 160 5.7 5.7
ARVG S 43.78 1.00 0.87 43.75 0.03 6.6 160 5.7 5.7
ARVH P 43.23 0.10 1.52 43.22 0.01 8.4 249 4.5 4.5
9 times used, S = 0.019
Deferred Data
AJ03 S-P 1.00 3.00 0.83 0.24 0.76 1.8 153 0.0 0.0
ARE P 42.93 0.10 1.52 43.19 -0.26 8.2 140 4.7 4.7
ARVH S 44.33 1.00 0.86 44.26 0.07 8.4 249 4.5 4.5
Velocity Ratios
AJ01 AJ02 MP34 ARVG
AJ01 2.01 0.00 0.00 0.00
2.60 0.00 0.00 0.00
AJ02 0.00 1.74 0.00 0.00
0.00 1.42 0.00 0.00
MP34 0.00 0.00 1.89 0.00
0.00 0.00 1.36 0.00
ARVG 0.00 0.00 0.00 1.77
0.00 0.00 0.00 1.18
Date 2022-04-07
Origin Time 1124 41.58 +- 0.64
Zone 50
Easting 498.31 +- 5.42 Longitude 116.982
Northing 6308.60 +- 7.24 Latitude -33.362
Depth 1.94 +- 5.49
Arrival times = 8 S.D. = 0.028 Seismographs = 5
Nearest recorder = 0.7 km Gap = 109.0 deg Accuracy = A
Effects Code = Imax = 0 Fault =
0 km SE (123 deg) of AJ01
WESTERN AUSTRALIA
199 km NW (335 deg) of ALBANY
189 km SE (146 deg) of PERTH
5 km W (254 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
ARE 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 42.00 0.03 2.16 42.01 -0.01 0.7 303 70.2 70.2
AJ01 i S 42.17 0.30 1.23 42.20 -0.03 0.7 303 70.2 70.2
AJ02 i P 42.25 0.03 2.06 42.24 0.01 2.5 49 37.4 37.4
AJ02 i S 42.56 0.50 1.06 42.55 0.01 2.5 49 37.4 37.4
MP34 P 42.44 0.10 1.59 42.42 0.02 3.5 303 28.7 28.7
ARVG P 42.93 0.10 1.54 42.97 -0.04 6.7 158 -36.7 36.7
ARVG S 43.78 1.00 0.87 43.70 0.08 6.7 158 16.1 16.1
ARVH P 43.23 0.10 1.52 43.22 0.01 8.2 248 -36.7 36.7
8 times used, S = 0.028
Deferred Data
AJ03 S-P 1.00 3.00 0.83 0.26 0.74 2.0 148 0.0 0.0
MP34 S 42.98 0.50 1.04 42.80 0.18 3.5 303 28.7 28.7
ARVH S 44.33 1.00 0.86 44.11 0.22 8.2 248 -24.2 24.2
ARE P 42.93 0.10 1.52 43.24 -0.31 8.3 140 -36.7 36.7
Velocity Ratios
AJ01 AJ02 ARVG
AJ01 1.40 0.00 0.00
0.88 0.00 0.00
AJ02 0.00 1.46 0.00
0.00 0.85 0.00
ARVG 0.00 0.00 1.63
0.00 0.00 0.93
Date 2022-04-08
Origin Time 0954 4.33 +- 1.45
Zone 50
Easting 498.51 +- 8.55 Longitude 116.984
Northing 6307.18 +- 5.45 Latitude -33.374
Depth 1.04 +- 31.95
Arrival times = 7 S.D. = 0.021 Seismographs = 5
Nearest recorder = 2.0 km Gap = 125.8 deg Accuracy = A
Effects Code = Imax = 0 Fault =
0 km W (287 deg) of AJ03
WESTERN AUSTRALIA
198 km NW (335 deg) of ALBANY
190 km SE (146 deg) of PERTH
5 km SW (238 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 4.68 0.03 2.09 4.70 -0.02 2.0 336 28.0 28.0
AJ01 i S 4.96 0.20 1.28 4.95 0.01 2.0 336 28.0 28.0
AJ02 i P 4.94 0.03 2.03 4.93 0.01 3.5 29 16.6 16.6
MP34 P 5.11 0.05 1.81 5.11 0.00 4.6 317 12.8 12.8
ARVG P 5.19 0.10 1.56 5.22 -0.03 5.3 155 11.1 11.1
ARVG S 5.89 1.00 0.89 5.83 0.06 5.3 155 11.1 11.1
ARVH P 5.66 0.10 1.52 5.65 0.01 8.0 258 7.5 7.5
7 times used, S = 0.021
Deferred Data
AJ03 S-P 1.00 5.00 0.77 0.15 0.85 0.9 107 0.0 0.0
MP34 S 5.78 0.50 1.02 5.64 0.14 4.6 317 12.8 12.8
ARVH S 6.70 1.00 0.86 6.56 0.14 8.0 258 7.5 7.5
Velocity Ratios
AJ01 ARVG
AJ01 1.81 0.00
0.80 0.00
ARVG 0.00 1.82
0.00 1.56
Date 2022-04-08
Origin Time 0954 4.33 +- 0.46
Zone 50
Easting 498.42 +- 5.05 Longitude 116.983
Northing 6307.17 +- 3.70 Latitude -33.375
Depth 1.22 +- 10.20
Arrival times = 10 S.D. = 0.033 Seismographs = 7
Nearest recorder = 1.9 km Gap = 123.7 deg Accuracy = B
Effects Code = Imax = 0 Fault =
0 km W (285 deg) of AJ03
WESTERN AUSTRALIA
198 km NW (335 deg) of ALBANY
190 km SE (146 deg) of PERTH
5 km SW (238 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 4.68 0.03 2.09 4.70 -0.02 1.9 339 32.2 32.2
AJ01 i S 4.96 0.20 1.29 4.96 -0.00 1.9 339 32.2 32.2
AJ02 i P 4.94 0.03 2.03 4.94 -0.00 3.6 30 18.9 18.9
MP34 P 5.11 0.05 1.81 5.10 0.01 4.6 318 15.0 15.0
ARVG P 5.19 0.10 1.56 5.22 -0.03 5.4 154 12.8 12.8
ARVG S 5.89 1.00 0.89 5.84 0.05 5.4 154 12.8 12.8
ARVH P 5.66 0.10 1.52 5.63 0.03 7.9 258 8.8 8.8
NWAO P 13.34 0.10 1.32 13.28 0.06 54.9 25 1.5 1.5
NWAO S 19.50 1.00 0.75 19.49 0.01 54.9 25 1.5 1.5
MUN P 31.30 0.30 0.97 31.37 -0.07 171.0 334 -30.8 30.8
10 times used, S = 0.033
Deferred Data
AJ03 S-P 1.00 5.00 0.77 0.18 0.82 1.0 105 0.0 0.0
MP34 S 5.78 0.50 1.03 5.63 0.15 4.6 318 15.0 15.0
ARVH S 6.70 1.00 0.87 6.54 0.16 7.9 258 8.8 8.8
RKGY P 26.26 0.20 1.07 26.60 -0.34 136.9 180 -30.8 30.8
ONGR P 26.70 0.20 1.06 27.29 -0.59 141.8 112 -30.8 30.8
KLBR P 36.65 0.10 1.18 36.32 0.33 210.5 20 -42.2 42.2
KLBR S 59.90 1.00 0.67 60.17 -0.27 210.5 20 -40.3 40.3
Velocity Ratios
AJ01 ARVG NWAO
AJ01 1.79 0.00 1.68
0.78 0.00 0.17
ARVG 0.00 1.81 0.00
0.00 1.55 0.00
NWAO 1.68 0.00 1.68
0.17 0.00 0.13
Date 2022-04-08
Origin Time 0954 4.07 +- 0.77
Zone 50
Easting 498.56 +- 8.39 Longitude 116.985
Northing 6307.23 +- 5.47 Latitude -33.374
Depth 2.27 +- 17.33
Arrival times = 7 S.D. = 0.022 Seismographs = 5
Nearest recorder = 1.9 km Gap = 126.7 deg Accuracy = B
Effects Code = Imax = 0 Fault =
0 km W (292 deg) of AJ03
WESTERN AUSTRALIA
198 km NW (335 deg) of ALBANY
190 km SE (146 deg) of PERTH
5 km SW (238 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 4.68 0.03 2.09 4.68 0.00 1.9 334 38.4 51.1
AJ01 i S 4.96 0.20 1.29 4.97 -0.01 1.9 334 45.3 50.1
AJ02 i P 4.94 0.03 2.03 4.95 -0.01 3.4 29 14.0 37.1
MP34 P 5.11 0.05 1.81 5.10 0.01 4.6 316 6.7 37.2
ARVG P 5.19 0.10 1.56 5.22 -0.03 5.4 156 4.9 37.0
ARVG S 5.89 1.00 0.89 5.81 0.08 5.4 156 10.6 26.2
ARVH P 5.66 0.10 1.52 5.66 -0.00 8.1 258 2.4 36.8
7 times used, S = 0.022
Deferred Data
AJ03 S-P 1.00 5.00 0.77 0.23 0.77 0.8 112 0.0 0.0
MP34 S 5.78 0.50 1.03 5.61 0.17 4.6 316 15.3 28.4
ARVH S 6.70 1.00 0.86 6.55 0.15 8.1 258 3.6 24.4
NWAO P 13.34 0.10 1.32 13.47 -0.13 54.8 25 -20.5 41.3
NWAO S 19.50 1.00 0.75 19.49 0.01 54.8 25 0.3 24.2
RKGY P 26.26 0.20 1.07 26.32 -0.06 137.0 180 -20.5 41.3
ONGR P 26.70 0.20 1.06 27.06 -0.36 141.7 113 -20.5 41.3
MUN P 31.30 0.30 0.97 31.58 -0.28 171.0 334 -42.6 53.8
KLBR P 36.65 0.10 1.18 36.43 0.22 210.4 20 -42.6 53.8
KLBR S 59.90 1.00 0.67 60.37 -0.47 210.4 20 -38.2 44.2
Velocity Ratios
AJ01 ARVG
AJ01 1.46 0.00
0.42 0.00
ARVG 0.00 1.62
0.00 1.14
EARTHQUAKE LOCATION Printed on 2022-05-19 0925 UTC
EQ Date UTC: 2022-04-08 1019 06.50 ? 0.03
EQ Date Local: 2022-04-08 1019 06.50 ? 0.03
Place:
Magnitude: MLv 9.2 ML 2.4
Longitude: 116.98354 ? 0.137 km
Latitude: -33.37685 ? 0.126 km
Depth: -0.02 ? 3.90 km
(Constrained)
Arrivals: 12/12 StdDev: 0.043 Sites: 7/7
Nearest: 2.4 km (AJ01) Gap: 107.1? Quality: P Accuracy: E
SemiMajor: 0.0000 km SemiMinor: 0.0000 km Azimuth: 0.0000?
Run: wavs 1 Run by: user Run Date: 2022-05-19 0925 UTC
Earth Model: WA2
ARRIVAL DATA
Active Arrivals: 12
site phase time wt calc residual dist travTime res/tt azim depart AoI
AJ01 P 1019 06.81 ? 0.0 2.8 6.90 -0.09 2.39 0.31 -27.734 338? 6.66? 96.66? sp 0.282
AJ02 P 1019 07.10 ? 0.0 2.8 7.12 -0.02 3.75 0.60 -2.658 28? 4.32? 94.32? clock error 3 secs ??
AJ02 S 1019 07.61 ? 0.0 2.8 7.57 0.05 3.75 1.11 4.090 28? 4.32? 94.32?
SWNNF P 1019 07.23 ? 0.0 2.9 7.29 -0.05 4.80 0.73 -7.057 319? 2.21? 92.21?
SWNNF S 1019 07.88 ? 0.0 2.9 7.86 0.03 4.80 1.38 1.838 319? 2.21? 92.21?
SWNNG P 1019 07.30 ? 0.0 2.9 7.34 -0.03 5.12 0.80 -4.188 153? 2.07? 92.07?
SWNNG S 1019 07.97 ? 0.0 2.9 7.95 0.02 5.12 1.47 1.660 153? 2.07? 92.07?
SWNNH P 1019 07.77 ? 0.0 2.9 7.80 -0.02 7.91 1.27 -1.964 260? 2.19? 92.19?
SWNNH S 1019 08.81 ? 0.0 2.9 8.74 0.07 7.91 2.31 3.004 260? 2.19? 92.19?
SWNNE P 1019 08.33 ? 0.0 2.9 8.32 0.01 11.14 1.83 0.571 23? 1.11? 91.11?
SWNNE S 1019 09.68 ? 0.0 2.9 9.65 0.03 11.14 3.17 0.817 23? 1.11? 91.11?
SWNNB P 1019 09.67 ? 0.0 2.9 9.67 0.01 19.36 3.16 0.223 85? 0.80? 90.80?
MAGNITUDE DATA
MLv peak(um) dist
MLv -0.2 AJ02 0.015 3.75
MLv 11.4 SWNNF 4597294080.000 4.80
MLv 11.2 SWNNG 3149338624.000 5.12
MLv 12.3 SWNNH 23201994752.000 7.91
MLv 11.2 SWNNE 1295095680.000 11.14
Mean: 9.18
Standard Deviation: 5.28
Standard Error: 2.36
Num values: 5
MLv=log(A*2080)+log(D)+0.00301*D+0.7
Assign: MLv 9.2 wavs
Imax: 1
Date 2022-04-08
Origin Time 1019 6.47 +- 0.68
Zone 50
Easting 498.41 +- 7.59 Longitude 116.983
Northing 6306.92 +- 5.54 Latitude -33.377
Depth -0.00 +- 133.11
Arrival times = 6 S.D. = 0.016 Seismographs = 5
Nearest recorder = 2.2 km Gap = 124.1 deg Accuracy = B
Effects Code = Imax = 0 Fault =
0 km W (270 deg) of AJ03
WESTERN AUSTRALIA
198 km NW (335 deg) of ALBANY
191 km SE (146 deg) of PERTH
5 km SW (236 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 6.81 0.03 2.08 6.83 -0.02 2.2 341 0.0 0.0
AJ01 S 7.09 0.30 1.18 7.07 0.02 2.2 341 0.0 0.0
AJ02 i P 7.10 0.03 2.02 7.09 0.01 3.8 29 0.0 0.0
MP34 P 7.23 0.10 1.57 7.25 -0.02 4.8 320 0.0 0.0
ARVG P 7.30 0.10 1.56 7.31 -0.01 5.1 153 -0.0 -0.0
ARVH P 7.77 0.10 1.52 7.75 0.02 7.8 260 0.0 0.0
6 times used, S = 0.016
Deferred Data
AJ03 S-P 3.00 3.00 0.85 0.11 2.89 0.9 90 0.0 0.0
AJ02 S 7.61 0.30 1.15 7.52 0.09 3.8 29 0.0 0.0
MP34 S 7.88 1.00 0.89 7.78 0.10 4.8 320 0.0 0.0
ARVG S 7.97 1.00 0.89 7.89 0.08 5.1 153 -0.0 -0.0
ARVH S 8.81 1.00 0.87 8.64 0.17 7.8 260 0.0 0.0
NWAO P 15.50 0.20 1.08 15.46 0.04 55.1 25 0.3 0.3
NWAO S 22.04 1.00 0.60 21.69 0.35 55.1 25 0.3 0.3
DBYG P 18.06 0.10 1.30 17.88 0.18 70.0 94 0.2 0.2
DBYG S 26.10 1.00 0.59 25.80 0.30 70.0 94 0.2 0.2
TMBL P 21.86 0.10 1.27 22.07 -0.21 95.6 140 0.1 0.1
TMBL S 33.40 1.00 0.57 32.88 0.52 95.6 140 0.1 0.1
AKUL P 28.05 0.20 1.00 28.40 -0.35 134.4 54 0.1 0.1
AKUL S 43.80 1.00 0.55 43.60 0.20 134.4 54 0.1 0.1
RKGY P 28.34 0.30 0.88 28.76 -0.42 136.7 180 0.1 0.1
RKGY S 44.00 1.00 0.55 44.22 -0.22 136.7 180 0.1 0.1
ONGR P 28.72 0.20 0.99 29.52 -0.80 141.7 112 -30.8 30.8
COR2 P 32.20 0.20 0.98 32.14 0.06 160.4 26 -30.8 30.8
COR2 S 51.36 1.00 0.55 50.78 0.58 160.4 26 0.1 0.1
MUN P 33.30 0.30 0.86 33.65 -0.35 171.2 334 -30.8 30.8
MEKS P 36.50 0.20 0.97 35.59 0.91 185.8 1 -42.2 42.2
MEKS S 57.70 1.00 0.54 57.29 0.41 185.8 1 -40.3 40.3
KLBR P 38.80 0.30 0.85 38.63 0.17 210.8 20 -42.2 42.2
Velocity Ratios
AJ01
AJ01 1.82
1.14
Date 2022-04-08
Origin Time 1019 6.18 +- 0.67
Zone 50
Easting 498.21 +- 6.91 Longitude 116.981
Northing 6306.75 +- 5.53 Latitude -33.378
Depth 1.78 +- 11.32
Arrival times = 6 S.D. = 0.016 Seismographs = 5
Nearest recorder = 2.3 km Gap = 120.0 deg Accuracy = B
Effects Code = Imax = 0 Fault =
1 km W (261 deg) of AJ03
WESTERN AUSTRALIA
198 km NW (335 deg) of ALBANY
191 km SE (146 deg) of PERTH
6 km SW (235 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 6.81 0.03 2.07 6.79 0.02 2.3 347 37.9 37.9
AJ01 S 7.09 0.30 1.18 7.12 -0.03 2.3 347 37.9 37.9
AJ02 i P 7.10 0.03 2.01 7.10 -0.00 4.0 30 23.8 23.8
MP34 P 7.23 0.10 1.57 7.24 -0.01 4.8 323 20.5 20.5
ARVG P 7.30 0.10 1.56 7.30 -0.00 5.1 150 19.3 19.3
ARVH P 7.77 0.10 1.53 7.77 0.00 7.6 261 -36.7 36.7
6 times used, S = 0.016
Deferred Data
AJ03 S-P 3.00 3.00 0.85 0.24 2.76 1.1 81 0.0 0.0
AJ02 S 7.61 0.30 1.15 7.60 0.01 4.0 30 23.8 23.8
MP34 S 7.88 1.00 0.89 7.82 0.06 4.8 323 20.5 20.5
ARVG S 7.97 1.00 0.89 7.91 0.06 5.1 150 19.3 19.3
ARVH S 8.81 1.00 0.87 8.70 0.11 7.6 261 13.2 13.2
NWAO P 15.50 0.20 1.15 15.76 -0.26 55.4 25 -36.7 36.7
NWAO S 22.04 1.00 0.75 22.34 -0.30 55.4 25 -27.7 27.7
DBYG P 18.06 0.10 1.30 18.23 -0.17 70.2 94 -36.7 36.7
DBYG S 26.10 1.00 0.74 26.55 -0.45 70.2 94 -27.7 27.7
TMBL P 21.86 0.10 1.27 22.38 -0.52 95.6 140 -38.8 38.8
TMBL S 33.40 1.00 0.72 33.76 -0.36 95.6 140 -27.7 27.7
AKUL P 28.05 0.20 1.07 28.75 -0.70 134.7 54 -38.8 38.8
AKUL S 43.80 1.00 0.70 44.78 -0.98 134.7 54 -29.4 29.4
RKGY P 28.34 0.30 0.98 29.04 -0.70 136.5 180 -38.8 38.8
RKGY S 44.00 1.00 0.70 45.28 -1.28 136.5 180 -29.4 29.4
ONGR P 28.72 0.20 1.06 29.91 -1.19 141.8 112 -38.8 38.8
COR2 P 32.20 0.20 1.05 32.95 -0.75 160.6 26 -38.8 38.8
COR2 S 51.36 1.00 0.69 52.04 -0.68 160.6 26 -29.4 29.4
MUN P 33.30 0.30 0.97 34.67 -1.37 171.3 334 -38.8 38.8
MEKS P 36.50 0.20 1.04 36.86 -0.36 185.9 1 -52.0 52.0
MEKS S 57.70 1.00 0.68 59.10 -1.40 185.9 1 -29.4 29.4
KLBR P 38.80 0.30 0.95 40.09 -1.29 211.0 20 -52.0 52.0
Velocity Ratios
AJ01
AJ01 1.45
0.58
Date 2022-04-08
Origin Time 1019 6.26 +- 0.53
Zone 50
Easting 498.62 +- 2.89 Longitude 116.985
Northing 6306.65 +- 2.40 Latitude -33.379
Depth 0.90 +- 4.45
Arrival times = 14 S.D. = 0.060 Seismographs = 10
Nearest recorder = 2.5 km Gap = 82.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
0 km W (249 deg) of AJ03
WESTERN AUSTRALIA
197 km NW (335 deg) of ALBANY
191 km SE (146 deg) of PERTH
5 km SW (232 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 6.81 0.03 2.06 6.82 -0.01 2.5 339 19.9 19.9
AJ01 S 7.09 0.30 1.17 7.12 -0.03 2.5 339 19.9 19.9
AJ02 i P 7.10 0.03 2.02 7.07 0.03 3.9 24 -36.7 36.7
AJ02 S 7.61 0.30 1.15 7.56 0.05 3.9 24 13.0 13.0
ARVG P 7.30 0.10 1.57 7.21 0.09 4.8 154 -36.7 36.7
MP34 P 7.23 0.10 1.56 7.26 -0.03 5.1 320 -36.7 36.7
MP34 S 7.88 1.00 0.89 7.89 -0.01 5.1 320 -27.7 27.7
ARVH P 7.77 0.10 1.52 7.75 0.02 8.0 262 -36.7 36.7
ARVH S 8.81 1.00 0.86 8.72 0.09 8.0 262 -27.7 27.7
DBYG P 18.06 0.10 1.30 18.02 0.04 69.7 94 -41.3 41.3
TMBL P 21.86 0.10 1.27 21.99 -0.13 95.3 140 -41.3 41.3
AKUL P 28.05 0.20 1.07 28.13 -0.08 134.4 54 -41.3 41.3
RKGY P 28.34 0.30 0.98 28.44 -0.10 136.4 180 -41.3 41.3
COR2 P 32.20 0.20 1.05 32.21 -0.01 160.5 26 -41.3 41.3
14 times used, S = 0.060
Deferred Data
AJ03 S-P 3.00 3.00 0.86 0.13 2.87 0.8 69 0.0 0.0
ARVG S 7.97 1.00 0.89 7.81 0.16 4.8 154 -27.7 27.7
NWAO P 15.50 0.20 1.15 15.66 -0.16 55.3 24 -36.7 36.7
NWAO S 22.04 1.00 0.75 22.20 -0.16 55.3 24 -27.7 27.7
DBYG S 26.10 1.00 0.74 26.32 -0.22 69.7 94 -27.7 27.7
TMBL S 33.40 1.00 0.72 33.55 -0.15 95.3 140 -27.7 27.7
AKUL S 43.80 1.00 0.70 44.69 -0.89 134.4 54 -29.4 29.4
RKGY S 44.00 1.00 0.70 45.23 -1.23 136.4 180 -29.4 29.4
ONGR P 28.72 0.20 1.06 29.22 -0.50 141.4 112 -41.3 41.3
COR2 S 51.36 1.00 0.69 51.99 -0.63 160.5 26 -29.4 29.4
MUN P 33.30 0.30 0.97 33.92 -0.62 171.5 334 -41.3 41.3
MEKS P 36.50 0.20 1.04 35.94 0.56 186.0 1 -53.1 53.1
MEKS S 57.70 1.00 0.68 58.21 -0.51 186.0 1 -47.4 47.4
KLBR P 38.80 0.30 0.95 39.07 -0.27 211.0 20 -53.1 53.1
Velocity Ratios
AJ01 AJ02 MP34 ARVH
AJ01 1.51 0.00 0.00 0.00
0.67 0.00 0.00 0.00
AJ02 0.00 1.61 0.00 0.00
0.00 0.43 0.00 0.00
MP34 0.00 0.00 1.67 0.00
0.00 0.00 1.35 0.00
ARVH 0.00 0.00 0.00 1.69
0.00 0.00 0.00 0.83
Date 2022-04-08
Origin Time 2102 18.66 +- 0.69
Zone 50
Easting 498.29 +- 4.34 Longitude 116.982
Northing 6307.36 +- 3.96 Latitude -33.373
Depth 0.78 +- 22.96
Arrival times = 7 S.D. = 0.024 Seismographs = 5
Nearest recorder = 1.7 km Gap = 119.8 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km NW (293 deg) of AJ03
WESTERN AUSTRALIA
198 km NW (335 deg) of ALBANY
190 km SE (146 deg) of PERTH
5 km SW (241 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AR61 0.00 Seismograph details unknown
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
ARE 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 18.94 0.10 1.65 18.96 -0.02 1.7 341 24.5 24.5
AJ01 i S 19.19 0.20 1.29 19.18 0.01 1.7 341 24.5 24.5
AJ02 i P 19.23 0.03 2.03 19.24 -0.01 3.5 34 12.7 12.7
AJ02 i S 19.69 0.30 1.15 19.64 0.05 3.5 34 12.7 12.7
MP34 P 19.36 0.10 1.58 19.38 -0.02 4.3 317 10.2 10.2
ARVG P 19.57 0.10 1.55 19.58 -0.01 5.6 154 8.0 8.0
ARVH P 19.97 0.10 1.52 19.94 0.03 7.8 257 5.7 5.7
7 times used, S = 0.024
Deferred Data
AJ03 S-P 1.00 2.00 0.92 0.16 0.84 1.1 113 0.0 0.0
MP34 S 19.98 0.50 1.03 19.88 0.10 4.3 317 10.2 10.2
ARVG S 20.28 1.00 0.88 20.22 0.06 5.6 154 8.0 8.0
ARE P 19.57 0.10 1.53 19.88 -0.31 7.4 133 6.0 6.0
ARVH S 20.98 1.00 0.87 20.83 0.15 7.8 257 5.7 5.7
AR61 P 19.57 0.10 1.49 20.42 -0.85 10.8 24 4.2 4.2
Velocity Ratios
AJ01 AJ02
AJ01 1.88 0.00
2.11 0.00
AJ02 0.00 1.80
0.00 0.65
Date 2022-04-08
Origin Time 2102 18.38 +- 0.45
Zone 50
Easting 498.19 +- 3.56 Longitude 116.981
Northing 6307.18 +- 3.26 Latitude -33.375
Depth 1.78 +- 6.66
Arrival times = 7 S.D. = 0.013 Seismographs = 5
Nearest recorder = 1.9 km Gap = 118.3 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km W (282 deg) of AJ03
WESTERN AUSTRALIA
198 km NW (335 deg) of ALBANY
190 km SE (146 deg) of PERTH
5 km SW (239 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AR61 0.00 Seismograph details unknown
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
ARE 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 18.94 0.10 1.64 18.92 0.02 1.9 345 43.7 43.7
AJ01 i S 19.19 0.20 1.29 19.21 -0.02 1.9 345 43.7 43.7
AJ02 i P 19.23 0.03 2.02 19.23 -0.00 3.7 34 25.8 25.8
AJ02 i S 19.69 0.30 1.15 19.69 -0.00 3.7 34 25.8 25.8
MP34 P 19.36 0.10 1.58 19.37 -0.01 4.4 320 22.0 22.0
ARVG P 19.57 0.10 1.56 19.57 -0.00 5.5 152 18.1 18.1
ARVH P 19.97 0.10 1.53 19.97 -0.00 7.7 258 -36.7 36.7
7 times used, S = 0.013
Deferred Data
AJ03 S-P 1.00 2.00 0.92 0.24 0.76 1.2 102 0.0 0.0
MP34 S 19.98 0.50 1.03 19.91 0.07 4.4 320 22.0 22.0
ARVG S 20.28 1.00 0.88 20.22 0.06 5.5 152 18.1 18.1
ARE P 19.57 0.10 1.53 19.92 -0.35 7.4 132 -36.7 36.7
ARVH S 20.98 1.00 0.87 20.91 0.07 7.7 258 13.1 13.1
AR61 P 19.57 0.10 1.49 20.53 -0.96 11.0 24 -36.7 36.7
Velocity Ratios
AJ01 AJ02
AJ01 1.44 0.00
0.74 0.00
AJ02 0.00 1.54
0.00 0.42
Date 2022-04-08
Origin Time 2102 18.39 +- 0.45
Zone 50
Easting 498.17 +- 3.58 Longitude 116.980
Northing 6307.10 +- 3.29 Latitude -33.375
Depth 1.74 +- 7.14
Arrival times = 7 S.D. = 0.022 Seismographs = 5
Nearest recorder = 1.9 km Gap = 118.1 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km W (279 deg) of AJ03
WESTERN AUSTRALIA
198 km NW (335 deg) of ALBANY
190 km SE (146 deg) of PERTH
5 km SW (239 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AR61 0.00 Seismograph details unknown
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
ARE 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 18.94 0.10 1.64 18.93 0.01 1.9 346 42.0 42.0
AJ01 i S 19.19 0.20 1.29 19.18 0.01 1.9 346 42.0 42.0
AJ02 i P 19.23 0.03 2.02 19.25 -0.02 3.8 33 24.9 24.9
AJ02 i S 19.69 0.30 1.15 19.64 0.05 3.8 33 24.9 24.9
MP34 P 19.36 0.10 1.58 19.38 -0.02 4.5 321 21.4 21.4
ARVG P 19.57 0.10 1.56 19.57 -0.00 5.4 151 17.9 17.9
ARVH P 19.97 0.10 1.53 19.96 0.01 7.6 259 -36.7 36.7
7 times used, S = 0.022
Deferred Data
AJ03 S-P 1.00 2.00 0.92 0.20 0.80 1.2 99 0.0 0.0
MP34 S 19.98 0.50 1.03 19.84 0.14 4.5 321 21.4 21.4
ARVG S 20.28 1.00 0.88 20.11 0.17 5.4 151 17.9 17.9
ARE P 19.57 0.10 1.53 19.91 -0.34 7.3 131 -36.7 36.7
ARVH S 20.98 1.00 0.87 20.76 0.22 7.6 259 12.9 12.9
AR61 P 19.57 0.10 1.49 20.53 -0.96 11.1 24 -36.7 36.7
Velocity Ratios
AJ01 AJ02
AJ01 1.45 0.00
0.76 0.00
AJ02 0.00 1.55
0.00 0.43
EARTHQUAKE LOCATION Printed on 2022-05-19 1051 UTC
EQ Date UTC: 2022-04-09 0851 46.88 ? 0.07
EQ Date Local: 2022-04-09 0851 46.88 ? 0.07
Place:
Magnitude: MLv 10.8 ML 2.3 sp 0.53 at aj02 ?
Longitude: 116.982 ? reloc 116.981 -33.376 0.9 km deep 1.2 km west of aj03 k
Latitude: -33.376 ? 0.162 km
Depth: 0.40 ? 3.24 km
(Constrained)
Arrivals: 11/11 StdDev: 0.048 Sites: 6/6
Nearest: 3.8 km (AJ02) Gap: 107.8? Quality: P Accuracy: E
SemiMajor: 0.0000 km SemiMinor: 0.0000 km Azimuth: 0.0000?
Run: wavs 1 Run by: user Run Date: 2022-05-19 1049 UTC
Earth Model: WA2
ARRIVAL DATA
Active Arrivals: 11
site phase time wt calc residual dist travTime res/tt azim depart AoI
AJ02 P 0851 47.46 ? 0.0 2.8 47.51 -0.05 3.78 0.58 -8.658 31? 10.58? 100.58?
aj01 sp 0.28 P = 47.163 so s is 47.44 aj02 50.47 with time error dbyg +11.4 tmbl + 15.1
SWNNF P 0851 47.58 ? 0.0 2.9 47.65 -0.06 4.65 0.70 -9.246 320? 7.46? 97.46?
SWNNF S 0851 48.24 ? 0.0 2.9 48.21 0.03 4.65 1.36 2.364 320? 7.46? 97.46?
SWNNG P 0851 47.69 ? 0.0 2.9 47.75 -0.05 5.24 0.81 -6.114 152? 6.62? 96.62?
SWNNG S 0851 48.38 ? 0.0 2.9 48.38 0.00 5.24 1.50 0.282 152? 6.62? 96.62?
SWNNH P 0851 48.11 ? 0.0 2.9 48.16 -0.04 7.76 1.23 -3.024 260? 5.35? 95.35?
SWNNH S 0851 49.16 ? 0.0 2.9 49.09 0.08 7.76 2.28 3.457 260? 5.35? 95.35?
SWNNE P 0851 48.70 ? 0.0 2.9 48.71 -0.01 11.15 1.82 -0.393 23? 3.28? 93.28?
SWNNE S 0851 50.05 ? 0.0 2.9 50.04 0.01 11.15 3.17 0.441 23? 3.28? 93.28?
SWNNB P 0851 50.07 ? 0.0 2.9 50.07 0.01 19.52 3.19 0.222 85? 2.03? 92.03?
SWNNB S 0851 52.47 ? 0.0 2.9 52.40 0.07 19.52 5.59 1.265 85? 2.03? 92.03?
MAGNITUDE DATA
MLv peak(um) dist
MLv 10.4 SWNNF 538459456.000 4.65
MLv 10.5 SWNNG 597165952.000 5.24
MLv 11.5 SWNNH 3788411648.000 7.76
MLv 10.3 SWNNE 177161664.000 11.15
MLv 11.4 SWNNB 1047457728.000 19.52
Mean: 10.84
Standard Deviation: 0.56
Standard Error: 0.25
Num values: 5
MLv=log(A*2080)+log(D)+0.00301*D+0.7
Assign: MLv 10.8 wavs
Imax: 1
Date 2022-04-09
Origin Time 0851 46.83 +- 2.23
Zone 50
Easting 498.26 +- 11.88 Longitude 116.981
Northing 6307.10 +- 7.96 Latitude -33.375
Depth 0.85 +- 61.30
Arrival times = 7 S.D. = 0.020 Seismographs = 5
Nearest recorder = 2.0 km Gap = 120.2 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km W (279 deg) of AJ03
WESTERN AUSTRALIA
198 km NW (335 deg) of ALBANY
190 km SE (146 deg) of PERTH
5 km SW (238 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 47.16 0.03 2.09 47.18 -0.01 2.0 344 23.4 23.4
AJ01 S 47.44 1.00 0.93 47.42 0.02 2.0 344 23.4 23.4
AJ02 i P 47.46 0.03 2.02 47.45 0.01 3.7 32 12.9 12.9
MP34 P 47.58 0.10 1.57 47.58 0.00 4.5 320 10.6 10.6
ARVG P 47.69 0.10 1.56 47.72 -0.03 5.4 152 9.0 9.0
ARVG S 48.38 1.00 0.89 48.33 0.05 5.4 152 9.0 9.0
ARVH P 48.11 0.10 1.52 48.10 0.01 7.7 259 6.3 6.3
7 times used, S = 0.020
Deferred Data
AJ03 S-P 3.00 3.00 0.85 0.16 2.84 1.1 99 0.0 0.0
AJ01 S-P 0.28 1.00 1.03 0.24 0.04 2.0 344 0.0 0.0
AJ02 S 47.99 1.00 0.90 47.88 0.11 3.7 32 12.9 12.9
MP34 S 48.24 0.10 1.42 48.10 0.14 4.5 320 10.6 10.6
ARVH S 49.16 1.00 0.87 48.98 0.18 7.7 259 6.3 6.3
DBYG P 58.60 0.20 1.13 58.27 0.33 70.1 94 0.9 0.9
TMBL P 62.30 0.20 1.10 62.47 -0.17 95.9 140 0.6 0.6
Velocity Ratios
AJ01 ARVG
AJ01 1.83 0.00
3.47 0.00
ARVG 0.00 1.80
0.00 1.55
Date 2022-04-09
Origin Time 0851 46.55 +- 1.10
Zone 50
Easting 498.22 +- 11.47 Longitude 116.981
Northing 6306.99 +- 8.62 Latitude -33.376
Depth 2.10 +- 10.01
Arrival times = 7 S.D. = 0.015 Seismographs = 5
Nearest recorder = 2.1 km Gap = 119.7 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km W (273 deg) of AJ03
WESTERN AUSTRALIA
198 km NW (335 deg) of ALBANY
190 km SE (146 deg) of PERTH
5 km SW (238 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 47.16 0.03 2.08 47.16 0.01 2.1 346 45.6 45.6
AJ01 S 47.44 1.00 0.93 47.49 -0.05 2.1 346 45.6 45.6
AJ02 i P 47.46 0.03 2.02 47.45 0.01 3.8 32 28.8 28.8
MP34 P 47.58 0.10 1.57 47.58 -0.00 4.6 321 -36.7 36.7
ARVG P 47.69 0.10 1.56 47.70 -0.01 5.3 151 -36.7 36.7
ARVG S 48.38 1.00 0.89 48.37 0.01 5.3 151 21.6 21.6
ARVH P 48.11 0.10 1.53 48.10 0.01 7.7 259 -36.7 36.7
7 times used, S = 0.015
Deferred Data
AJ03 S-P 3.00 3.00 0.85 0.27 2.73 1.1 94 0.0 0.0
AJ01 S-P 0.28 1.00 1.03 0.33 -0.05 2.1 346 0.0 0.0
AJ02 S 47.99 1.00 0.90 47.95 0.04 3.8 32 28.8 28.8
MP34 S 48.24 0.10 1.42 48.16 0.08 4.6 321 24.6 24.6
ARVH S 49.16 1.00 0.87 49.06 0.10 7.7 259 -27.7 27.7
DBYG P 58.60 0.20 1.13 58.56 0.04 70.2 94 -36.7 36.7
TMBL P 62.30 0.20 1.10 62.73 -0.43 95.8 140 -38.8 38.8
Velocity Ratios
AJ01 ARVG
AJ01 1.45 0.00
1.78 0.00
ARVG 0.00 1.60
0.00 1.11
Date 2022-04-09
Origin Time 0851 46.56 +- 1.10
Zone 50
Easting 498.22 +- 11.54 Longitude 116.981
Northing 6306.99 +- 8.00 Latitude -33.376
Depth 2.10 +- 18.47
Arrival times = 7 S.D. = 0.010 Seismographs = 5
Nearest recorder = 2.1 km Gap = 119.7 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km W (273 deg) of AJ03
WESTERN AUSTRALIA
198 km NW (335 deg) of ALBANY
190 km SE (146 deg) of PERTH
5 km SW (238 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 47.16 0.03 2.08 47.16 -0.00 2.1 346 30.1 46.4
AJ01 S 47.44 1.00 0.93 47.45 -0.01 2.1 346 40.1 45.8
AJ02 i P 47.46 0.03 2.02 47.46 0.00 3.8 32 2.4 36.7
MP34 P 47.58 0.10 1.57 47.58 -0.00 4.6 321 1.4 36.7
ARVG P 47.69 0.10 1.56 47.70 -0.01 5.3 151 1.0 36.7
ARVG S 48.38 1.00 0.89 48.35 0.03 5.3 151 3.4 23.4
ARVH P 48.11 0.10 1.53 48.10 0.01 7.7 259 0.5 36.7
7 times used, S = 0.010
Deferred Data
AJ03 S-P 3.00 3.00 0.85 0.23 2.77 1.1 94 0.0 0.0
AJ01 S-P 0.28 1.00 1.03 0.29 -0.01 2.1 346 0.0 0.0
AJ02 S 47.99 1.00 0.90 47.86 0.13 3.8 32 16.9 29.6
MP34 S 48.24 0.10 1.42 48.13 0.11 4.6 321 8.7 25.0
ARVH S 49.16 1.00 0.87 48.94 0.22 7.7 259 0.8 24.2
DBYG P 58.60 0.20 1.13 58.39 0.21 70.2 94 -20.5 41.3
TMBL P 62.30 0.20 1.10 62.37 -0.07 95.8 140 -20.5 41.3
Velocity Ratios
AJ01 ARVG
AJ01 1.46 0.00
1.83 0.00
ARVG 0.00 1.61
0.00 1.13
EARTHQUAKE LOCATION Printed on 2022-05-19 1058 UTC
EQ Date UTC: 2022-04-10 0437 50.07 ? 0.03
EQ Date Local: 2022-04-10 0437 50.07 ? 0.03
Place:
Magnitude: MLv 11.0 ML 2.2
Longitude: 116.990 ? 0.160 reloc 116.989 -33.361 0.2 km deep km
Latitude: -33.361 ? 0.189 1.3 km east of aj01 km
Depth: -0.15 ? 3.86 km
(Constrained)
Arrivals: 12/12 StdDev: 0.063 Sites: 6/6
Nearest: 1.9 km (AJ02) Gap: 86.8? Quality: P Accuracy: E
SemiMajor: 0.0000 km SemiMinor: 0.0000 km Azimuth: 0.0000?
Run: wavs 1 Run by: user Run Date: 2022-05-19 1058 UTC
Earth Model: WA2
ARRIVAL DATA
Active Arrivals: 12
site phase time wt calc residual dist travTime res/tt azim depart AoI
AJ02 P 0437 50.35 ? 0.0 2.8 50.40 -0.04 1.94 0.28 -14.709 38? 4.72? 94.72?
AJ02 S 0437 50.62 ? 0.0 2.8 50.63 -0.00 1.94 0.55 -0.337 38? 4.72? 94.72?
aj02 53.363 S + o.28 clock error aj01= 50.243 sp poor 0.32 ?? (could be a lot less??
SWNNF P 0437 50.69 ? 0.0 2.9 50.76 -0.06 4.16 0.62 -10.139 297? 0.86? 90.86?
SWNNF S 0437 51.30 ? 0.0 2.9 51.26 0.05 4.16 1.23 4.360 297? 0.86? 90.86?
SWNNG P 0437 51.09 ? 0.0 2.9 51.15 -0.06 6.57 1.01 -5.929 165? 0.54? 90.54?
SWNNG S 0437 51.92 ? 0.0 2.9 51.93 -0.01 6.57 1.85 -0.539 165? 0.54? 90.54?
SWNNH P 0437 51.50 ? 0.0 2.9 51.54 -0.04 8.94 1.42 -2.554 250? 1.15? 91.15?
SWNNH S 0437 52.69 ? 0.0 2.9 52.61 0.09 8.94 2.62 3.377 250? 1.15? 91.15?
SWNNE P 0437 51.56 ? 0.0 2.9 51.59 -0.03 9.28 1.48 -2.220 23? 0.57? 90.57?
SWNNE S 0437 52.71 ? 0.0 2.9 52.70 0.01 9.28 2.63 0.375 23? 0.57? 90.57?
SWNNB P 0437 53.08 ? 0.0 2.9 53.13 -0.04 18.70 3.01 -1.492 90? 0.45? 90.45?
SWNNB S 0437 55.49 ? 0.0 2.9 55.36 0.14 18.70 5.42 2.517 90? 0.45? 90.45?
MAGNITUDE DATA
MLv peak(um) dist
MLv 10.7 SWNNF 1251090304.000 4.16
MLv 10.5 SWNNG 414153600.000 6.57
MLv 11.7 SWNNH 5355693568.000 8.94
MLv 10.6 SWNNE 392909792.000 9.28
MLv 11.6 SWNNB 1934357120.000 18.70
Mean: 11.04
Standard Deviation: 0.59
Standard Error: 0.27
Num values: 5
MLv=log(A*2080)+log(D)+0.00301*D+0.7
Assign: MLv 11.0 wavs
Imax: 1
Date 2022-04-10
Origin Time 0437 50.03 +- 1.46
Zone 50
Easting 499.02 +- 9.72 Longitude 116.989
Northing 6308.65 +- 13.99 Latitude -33.361
Depth 0.01 +- 825.16
Arrival times = 6 S.D. = 0.015 Seismographs = 5
Nearest recorder = 1.3 km Gap = 126.8 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km E (104 deg) of AJ01
WESTERN AUSTRALIA
199 km NW (336 deg) of ALBANY
190 km SE (146 deg) of PERTH
4 km W (252 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 50.24 0.03 2.12 50.25 -0.00 1.3 284 0.7 0.7
AJ02 i P 50.35 0.03 2.08 50.36 -0.01 2.0 38 0.5 0.5
AJ02 S 50.62 1.00 0.93 50.58 0.04 2.0 38 0.5 0.5
MP34 P 50.69 0.10 1.58 50.70 -0.01 4.1 297 0.2 0.2
ARVG P 51.09 0.10 1.54 51.10 -0.01 6.5 164 0.1 0.1
ARVH P 51.50 0.10 1.51 51.48 0.02 8.9 250 0.1 0.1
6 times used, S = 0.015
Deferred Data
AJ01 S-P 0.32 4.00 0.80 0.15 0.17 1.3 284 0.0 0.0
MP34 S 51.30 1.00 0.90 51.17 0.13 4.1 297 0.2 0.2
ARVH S 52.69 1.00 0.86 52.48 0.21 8.9 250 0.1 0.1
Velocity Ratios
AJ02
AJ02 1.84
3.62
Date 2022-04-10
Origin Time 0437 49.74 +- 1.46
Zone 50
Easting 499.02 +- 13.19 Longitude 116.989
Northing 6308.56 +- 27.74 Latitude -33.362
Depth 2.01 +- 20.81
Arrival times = 6 S.D. = 0.015 Seismographs = 5
Nearest recorder = 1.4 km Gap = 128.2 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km E (108 deg) of AJ01
WESTERN AUSTRALIA
199 km NW (336 deg) of ALBANY
190 km SE (146 deg) of PERTH
4 km W (250 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 50.24 0.03 2.12 50.24 0.00 1.4 288 56.0 56.0
AJ02 i P 50.35 0.03 2.08 50.34 0.01 2.1 36 44.1 44.1
AJ02 S 50.62 1.00 0.93 50.66 -0.04 2.1 36 44.1 44.1
MP34 P 50.69 0.10 1.58 50.70 -0.01 4.2 298 25.8 25.8
ARVG P 51.09 0.10 1.54 51.10 -0.01 6.5 164 -36.7 36.7
ARVH P 51.50 0.10 1.51 51.50 0.00 8.8 250 -36.7 36.7
6 times used, S = 0.015
Deferred Data
AJ01 S-P 0.32 4.00 0.80 0.28 0.04 1.4 288 0.0 0.0
MP34 S 51.30 1.00 0.90 51.22 0.08 4.2 298 25.8 25.8
ARVH S 52.69 1.00 0.86 52.59 0.10 8.8 250 -27.7 27.7
Velocity Ratios
AJ02
AJ02 1.44
1.78
Date 2022-04-10
Origin Time 0437 49.75 +- 1.46
Zone 50
Easting 498.99 +- 13.93 Longitude 116.989
Northing 6308.60 +- 18.53 Latitude -33.362
Depth 1.99 +- 11.20
Arrival times = 6 S.D. = 0.009 Seismographs = 5
Nearest recorder = 1.3 km Gap = 126.6 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km E (107 deg) of AJ01
WESTERN AUSTRALIA
199 km NW (336 deg) of ALBANY
190 km SE (146 deg) of PERTH
4 km W (251 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
ARVG 0.00 Seismograph details unknown
ARVH 0.00 Seismograph details unknown
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 50.24 0.03 2.12 50.25 -0.00 1.3 287 56.6 56.6
AJ02 i P 50.35 0.03 2.08 50.35 0.00 2.1 37 44.0 44.0
AJ02 S 50.62 1.00 0.93 50.62 0.00 2.1 37 44.0 44.0
MP34 P 50.69 0.10 1.58 50.70 -0.01 4.1 298 -36.7 36.7
ARVG P 51.09 0.10 1.54 51.10 -0.01 6.5 164 -36.7 36.7
ARVH P 51.50 0.10 1.51 51.48 0.02 8.8 250 -36.7 36.7
6 times used, S = 0.009
Deferred Data
AJ01 S-P 0.32 4.00 0.80 0.23 0.09 1.3 287 0.0 0.0
MP34 S 51.30 1.00 0.90 51.14 0.16 4.1 298 25.8 25.8
ARVH S 52.69 1.00 0.86 52.45 0.24 8.8 250 -24.2 24.2
Velocity Ratios
AJ02
AJ02 1.45
1.83
Date 2022-04-12
Origin Time 0005 39.82 +- 1.57
Zone 50
Easting 447.91 +- 7.70 Longitude 116.459
Northing 6654.32 +- 10.53 Latitude -30.241
Depth 4.58 +- 24.08
Arrival times = 10 S.D. = 0.094 Seismographs = 6
Nearest recorder = 47.6 km Gap = 141.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
39 km NW (313 deg) of TOU
WESTERN AUSTRALIA
198 km N ( 17 deg) of PERTH
21 km W (282 deg) of Dalwallinu
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign -10.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
BLDU P 47.60 0.10 1.34 47.63 -0.03 47.6 149 5.9 5.9
BLDU S 53.10 1.00 0.76 53.04 0.06 47.6 149 5.9 5.9
WLBG P 48.37 0.10 1.33 48.48 -0.11 52.9 200 5.1 5.1
WLBG S 54.70 1.00 0.75 54.48 0.22 52.9 200 5.1 5.1
KORD P 59.84 0.20 1.08 59.77 0.07 122.4 125 -30.8 30.8
KORD S 73.70 1.00 0.70 73.67 0.03 122.4 125 2.2 2.2
BCON P 60.30 0.20 1.08 60.30 0.00 126.1 95 -30.8 30.8
BCON S 74.70 1.00 0.70 74.67 0.03 126.1 95 2.2 2.2
MORW P 61.80 0.30 0.99 61.72 0.08 136.2 342 -30.8 30.8
WATG P 67.10 0.20 1.04 67.20 -0.10 175.6 108 -42.2 42.2
10 times used, S = 0.094
Deferred Data
MEKS P 67.90 0.20 1.05 66.59 1.31 171.0 161 -30.8 30.8
MEKS PG 67.90 0.20 1.05 67.74 0.16 171.0 161 1.6 1.6
MEKS S 87.00 1.00 0.68 86.73 0.27 171.0 161 -40.3 40.3
KLBR P 70.64 0.20 1.03 69.47 1.17 194.2 140 -42.2 42.2
Velocity Ratios
BLDU WLBG KORD BCON
BLDU 1.71 0.00 0.00 0.00
0.15 0.00 0.00 0.00
WLBG 0.00 1.74 0.00 0.00
0.00 0.14 0.00 0.00
KORD 0.00 0.00 1.69 0.00
0.00 0.00 0.07 0.00
BCON 0.00 0.00 0.00 1.70
0.00 0.00 0.00 0.07
Date 2022-04-17
Origin Time 1659 14.74 +- 18.23
Zone 50
Easting 497.64 +- 110.95 Longitude 116.975
Northing 6307.98 +- 101.54 Latitude -33.367
Depth 1.32 +- 189.52
Arrival times = 5 S.D. = 0.010 Seismographs = 3
Nearest recorder = 1.0 km Gap = 224.3 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km S (185 deg) of AJ01
WESTERN AUSTRALIA
199 km NW (335 deg) of ALBANY
189 km SE (146 deg) of PERTH
6 km W (250 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 15.02 0.03 2.14 15.02 0.01 1.0 5 52.6 52.6
AJ01 i S 15.19 0.30 1.21 15.21 -0.01 1.0 5 52.6 52.6
AJ02 i P 15.34 0.05 1.83 15.35 -0.01 3.5 49 21.0 21.0
AJ02 i S 15.78 0.30 1.15 15.77 0.01 3.5 49 21.0 21.0
TMBL P 30.56 0.20 1.10 30.56 0.00 96.9 140 0.8 0.8
5 times used, S = 0.010
Deferred Data
AJ03 S-P 0.50 5.00 0.51 0.27 0.23 2.0 122 0.0 0.0
NWAO P 23.74 0.10 1.32 23.64 0.11 54.5 26 1.7 1.7
NWAO S 29.51 1.00 0.75 29.80 -0.29 54.5 26 1.7 1.7
DBYG P 26.40 0.10 1.30 26.30 0.10 70.8 95 1.3 1.3
DBYG S 34.80 1.00 0.74 34.32 0.48 70.8 95 1.3 1.3
TMBL S 42.30 1.00 0.72 41.53 0.77 96.9 140 0.8 0.8
AKUL P 36.43 0.20 1.07 36.67 -0.24 134.4 55 -30.8 30.8
AKUL S 52.24 1.00 0.70 51.89 0.35 134.4 55 0.7 0.7
ONGR P 37.92 0.20 1.06 37.84 0.08 142.9 113 -30.8 30.8
KLBR P 47.20 0.20 1.03 46.67 0.53 210.1 20 -42.2 42.2
Velocity Ratios
AJ01 AJ02
AJ01 1.61 0.00
1.40 0.00
AJ02 0.00 1.74
0.00 0.71
Date 2022-04-19
Origin Time 0808 6.23 +- 0.00
Zone 50
Easting 498.26 +- 0.00 Longitude 116.981
Northing 6306.12 +- 0.00 Latitude -33.384
Depth 1.93 +- 0.00
Arrival times = 4 S.D. = 0.005 Seismographs = 2
Nearest recorder = 1.3 km Gap = 332.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
1 km SW (233 deg) of AJ03
WESTERN AUSTRALIA
197 km NW (335 deg) of ALBANY
191 km SE (147 deg) of PERTH
6 km SW (230 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ03 i P 6.62 0.30 1.34 6.62 0.01 1.3 53 55.3 55.3
AJ03 i S 6.88 0.20 1.30 6.88 -0.00 1.3 53 55.3 55.3
AJ02 i P 7.04 0.04 1.89 7.04 -0.00 4.6 25 23.0 23.0
AJ02 i S 7.61 0.30 1.14 7.60 0.01 4.6 25 23.0 23.0
4 times used, S = 0.005
Deferred Data
NWAO P 15.52 0.10 1.32 15.36 0.16 55.9 24 2.3 2.3
NWAO S 21.80 1.00 0.75 21.69 0.11 55.9 24 2.3 2.3
RKGY P 28.72 0.30 0.99 28.30 0.42 135.9 180 -30.8 30.8
ONGR P 29.33 0.30 0.98 29.10 0.23 141.6 112 -30.8 30.8
Velocity Ratios
AJ03 AJ02
AJ03 1.66 0.00
7.69 0.00
AJ02 0.00 1.71
0.00 0.48
Date 2022-04-23
Origin Time 2303 29.42 +- 15.40
Zone 50
Easting 498.63 +- 141.71 Longitude 116.985
Northing 6307.81 +- 27.66 Latitude -33.369
Depth 0.03 +- 358.82
Arrival times = 5 S.D. = 0.030 Seismographs = 3
Nearest recorder = 1.1 km Gap = 243.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
1 km NW (321 deg) of AJ03
WESTERN AUSTRALIA
198 km NW (335 deg) of ALBANY
190 km SE (146 deg) of PERTH
5 km SW (243 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ03 i P 29.61 0.03 2.13 29.60 0.01 1.1 141 1.7 1.7
AJ03 i S 29.72 0.30 1.21 29.73 -0.01 1.1 141 1.7 1.7
AJ02 i P 29.86 0.03 2.05 29.89 -0.03 2.9 33 0.6 0.6
AJ02 i S 30.25 0.30 1.16 30.22 0.03 2.9 33 0.6 0.6
NWAO P 38.30 0.10 1.33 38.26 0.04 54.2 25 0.3 0.3
5 times used, S = 0.030
Deferred Data
NWAO S 44.50 1.00 0.75 44.39 0.11 54.2 25 0.3 0.3
TMBL P 44.88 0.10 1.27 45.11 -0.23 96.2 141 0.1 0.1
TMBL S 56.30 1.00 0.72 55.98 0.32 96.2 141 0.1 0.1
AKUL P 50.90 0.10 1.23 51.23 -0.33 133.7 54 0.2 0.2
AKUL S 65.60 1.00 0.70 66.36 -0.76 133.7 54 0.2 0.2
RKGY P 51.36 0.30 0.98 51.85 -0.49 137.6 180 0.1 0.1
RKGY S 66.60 1.00 0.70 67.41 -0.81 137.6 180 0.1 0.1
ONGR P 51.84 0.20 1.07 52.49 -0.65 141.9 113 -30.8 30.8
MECK P 61.40 0.10 1.19 59.36 2.04 192.6 0 -42.2 42.2
MECK S 81.20 1.00 0.68 81.67 -0.47 192.6 0 -40.3 40.3
Velocity Ratios
AJ03 AJ02
AJ03 1.57 0.00
2.11 0.00
AJ02 0.00 1.88
0.00 0.86
Date 2022-04-23
Origin Time 2303 29.39 +- 17.26
Zone 50
Easting 498.34 +- 41.06 Longitude 116.982
Northing 6307.85 +- 108.40 Latitude -33.368
Depth 0.01 +- 189.04
Arrival times = 5 S.D. = 0.032 Seismographs = 3
Nearest recorder = 1.3 km Gap = 293.0 deg Accuracy = B
Effects Code = Imax = 0 Fault =
1 km SE (151 deg) of AJ01
WESTERN AUSTRALIA
199 km NW (335 deg) of ALBANY
190 km SE (146 deg) of PERTH
5 km SW (245 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 29.61 0.03 2.12 29.60 0.01 1.3 331 0.5 0.5
AJ01 S 29.72 0.30 1.20 29.75 -0.03 1.3 331 0.5 0.5
AJ02 i P 29.86 0.03 2.04 29.89 -0.03 3.1 38 0.2 0.2
AJ02 i S 30.25 0.30 1.16 30.23 0.02 3.1 38 0.2 0.2
NWAO P 38.30 0.10 1.33 38.25 0.05 54.3 25 0.3 0.3
5 times used, S = 0.032
Deferred Data
AJ03 i P 29.61 0.03 2.12 29.61 -0.00 1.4 133 0.4 0.4
AJ03 i S 29.72 0.30 1.20 29.77 -0.05 1.4 133 0.4 0.4
NWAO S 44.50 1.00 0.75 44.39 0.11 54.3 25 0.3 0.3
TMBL P 44.88 0.10 1.26 45.11 -0.23 96.4 141 0.1 0.1
TMBL S 56.30 1.00 0.72 56.02 0.28 96.4 141 0.1 0.1
AKUL P 50.90 0.10 1.23 51.24 -0.34 133.9 54 0.2 0.2
AKUL S 65.60 1.00 0.70 66.39 -0.79 133.9 54 0.2 0.2
RKGY P 51.36 0.30 0.98 51.84 -0.48 137.6 180 0.1 0.1
RKGY S 66.60 1.00 0.70 67.40 -0.80 137.6 180 0.1 0.1
ONGR P 51.84 0.20 1.06 52.50 -0.66 142.2 113 -30.8 30.8
MECK P 61.40 0.10 1.19 59.33 2.07 192.5 0 -42.2 42.2
MECK S 81.20 1.00 0.68 81.64 -0.44 192.5 0 -40.3 40.3
Velocity Ratios
AJ01 AJ02
AJ01 1.50 0.00
1.81 0.00
AJ02 0.00 1.83
0.00 0.81
Date 2022-04-26
Origin Time 1959 36.38 +- 18.53
Zone 50
Easting 501.08 +- 208.66 Longitude 117.012
Northing 6308.88 +- 493.22 Latitude -33.359
Depth 2.22 +- 497.40
Arrival times = 5 S.D. = 0.017 Seismographs = 3
Nearest recorder = 1.6 km Gap = 212.3 deg Accuracy = B
Effects Code = Imax = 0 Fault =
1 km SE (148 deg) of AJ02
WESTERN AUSTRALIA
198 km NW (336 deg) of ALBANY
191 km SE (145 deg) of PERTH
2 km SW (239 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ02 i P 36.81 0.04 1.99 36.83 -0.01 1.6 328 54.6 54.6
AJ02 i S 37.16 0.30 1.19 37.14 0.02 1.6 328 54.6 54.6
AJ01 i P 37.05 0.03 2.03 37.04 0.01 3.3 271 33.5 33.5
AJ01 i S 37.47 0.30 1.16 37.49 -0.02 3.3 271 33.5 33.5
RKGY P 58.82 0.30 0.98 58.82 -0.00 138.7 181 -30.8 30.8
5 times used, S = 0.017
Deferred Data
AJ03 i P 37.05 0.30 1.30 36.94 0.11 2.6 221 40.3 40.3
AJ03 i S 37.49 0.30 1.17 37.33 0.16 2.6 221 40.3 40.3
AJ01 S-P 0.20 5.00 0.72 0.45 -0.25 3.3 271 0.0 0.0
NWAO P 45.24 0.10 1.33 44.91 0.33 52.2 23 2.7 2.7
NWAO S 51.10 1.00 0.75 50.83 0.27 52.2 23 2.7 2.7
AKUL P 58.47 0.20 1.07 57.77 0.70 131.1 54 -30.8 30.8
ONGR P 59.40 0.30 0.98 59.02 0.38 140.1 114 -30.8 30.8
Velocity Ratios
AJ02 AJ01
AJ02 1.79 0.00
0.95 0.00
AJ01 0.00 1.63
0.00 0.55
Date 2022-04-26
Origin Time 1959 36.32 +- 0.00
Zone 50
Easting 500.16 +- 0.00 Longitude 117.002
Northing 6309.88 +- 0.00 Latitude -33.350
Depth 3.00 +- 0.00 C
Arrival times = 4 S.D. = 0.017 Seismographs = 2
Nearest recorder = 0.4 km Gap = 180.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
0 km S (195 deg) of AJ02
WESTERN AUSTRALIA
200 km NW (336 deg) of ALBANY
189 km SE (145 deg) of PERTH
3 km W (270 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ02 i P 36.81 0.04 2.06 36.82 -0.00 0.4 15 83.0 83.0
AJ02 i S 37.16 0.30 1.24 37.16 -0.00 0.4 15 83.0 83.0
AJ03 i P 37.05 0.30 1.29 37.02 0.03 3.1 195 44.3 44.3
AJ03 i S 37.49 0.30 1.16 37.51 -0.02 3.1 195 44.3 44.3
4 times used, S = 0.017
Deferred Data
AJ01 S-P 0.20 5.00 0.76 0.45 -0.25 2.6 249 0.0 0.0
NWAO P 45.24 0.10 1.33 44.77 0.47 51.7 24 3.6 3.6
NWAO S 51.10 1.00 0.76 50.63 0.47 51.7 24 3.6 3.6
AKUL P 58.47 0.20 1.07 57.67 0.80 131.3 55 -30.8 30.8
RKGY P 58.82 0.30 0.98 58.83 -0.01 139.6 180 -30.8 30.8
ONGR P 59.40 0.30 0.98 59.07 0.33 141.3 114 -30.8 30.8
Velocity Ratios
AJ02 AJ03
AJ02 1.70 0.00
0.82 0.00
AJ03 0.00 1.61
0.00 1.83
Date 2022-04-27
Origin Time 0842 41.55 +- 0.00
Zone 50
Easting 498.93 +- 0.00 Longitude 116.989
Northing 6308.81 +- 0.00 Latitude -33.360
Depth 3.87 +- 0.00
Arrival times = 4 S.D. = 0.000 Seismographs = 3
Nearest recorder = 1.9 km Gap = 235.0 deg Accuracy = B
Effects Code = Imax = 0 Fault =
1 km E ( 98 deg) of AJ01
WESTERN AUSTRALIA
199 km NW (336 deg) of ALBANY
189 km SE (146 deg) of PERTH
4 km W (254 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.9
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ02 i P 42.26 0.03 2.09 42.26 0.00 1.9 42 63.4 63.4
AJ02 S 42.75 0.30 1.19 42.75 0.00 1.9 42 63.4 63.4
AJ03 P 42.26 0.03 2.09 42.26 -0.00 1.9 167 63.4 63.4
ONGR P 64.32 0.20 1.06 64.32 -0.00 142.0 113 -30.8 30.8
4 times used, S = 0.000
Deferred Data
AJ01 S-P 1.00 5.00 0.52 0.46 0.54 1.2 278 0.0 0.0
NWAO P 50.50 0.10 1.33 50.25 0.25 53.2 25 4.4 4.4
NWAO S 56.70 1.00 0.75 56.29 0.41 53.2 25 4.4 4.4
AKUL P 63.25 0.20 1.07 63.05 0.20 132.9 55 -30.8 30.8
AKUL S 79.10 1.00 0.70 78.28 0.82 132.9 55 1.8 1.8
Velocity Ratios
AJ02
AJ02 1.69
0.52
Date 2022-04-27
Origin Time 0842 41.64 +- 1.21
Zone 50
Easting 499.93 +- 17.24 Longitude 116.999
Northing 6307.25 +- 18.14 Latitude -33.374
Depth 2.52 +- 22.22
Arrival times = 6 S.D. = 0.018 Seismographs = 5
Nearest recorder = 2.8 km Gap = 195.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
0 km NE ( 60 deg) of AJ03
WESTERN AUSTRALIA
197 km NW (336 deg) of ALBANY
191 km SE (146 deg) of PERTH
4 km SW (227 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.9
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 P 42.26 0.03 2.05 42.26 0.00 2.8 308 42.0 42.0
AJ02 i P 42.26 0.03 2.05 42.28 -0.02 3.0 6 40.1 40.1
AJ02 S 42.75 0.30 1.16 42.72 0.03 3.0 6 40.1 40.1
NWAO P 50.50 0.10 1.33 50.49 0.01 54.2 23 2.9 2.9
AKUL P 63.25 0.20 1.07 63.26 -0.01 133.0 54 -30.8 30.8
ONGR P 64.32 0.20 1.07 64.30 0.02 140.5 113 -30.8 30.8
6 times used, S = 0.018
Deferred Data
AJ03 P 42.26 0.03 2.16 42.07 0.19 0.7 240 74.9 74.9
AJ01 S-P 1.00 5.00 0.74 0.43 0.57 2.8 308 0.0 0.0
NWAO S 56.70 1.00 0.75 56.63 0.07 54.2 23 2.9 2.9
AKUL S 79.10 1.00 0.70 78.38 0.72 133.0 54 1.2 1.2
Velocity Ratios
AJ02
AJ02 1.79
0.60
Date 2022-04-30
Origin Time 0028 28.10 +- 10.30
Zone 50
Easting 496.64 +- 102.61 Longitude 116.964
Northing 6306.47 +- 42.39 Latitude -33.381
Depth -0.01 +- 212.48
Arrival times = 5 S.D. = 0.042 Seismographs = 3
Nearest recorder = 2.7 km Gap = 243.4 deg Accuracy = B
Effects Code = Imax = 0 Fault =
0 km S (157 deg) of ARV4
WESTERN AUSTRALIA
198 km NE ( 59 deg) of AUGUSTA
190 km SE (147 deg) of PERTH
7 km SW (241 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
ARV4 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.9
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 28.56 0.03 2.05 28.55 0.01 2.7 23 -0.0 -0.0
AJ01 i S 28.78 0.30 1.17 28.86 -0.08 2.7 23 -0.0 -0.0
AJ02 i P 28.99 0.03 1.99 28.96 0.03 5.2 43 -0.0 -0.0
AJ02 i S 29.55 0.30 1.13 29.55 0.00 5.2 43 -0.0 -0.0
TMBL P 43.79 0.10 1.26 43.83 -0.04 96.4 139 0.1 0.1
5 times used, S = 0.042
Deferred Data
ARV4 S-P 2.00 5.00 0.78 0.03 1.97 0.3 337 0.0 0.0
AJ03 S-P 2.00 5.00 0.73 0.31 1.69 2.7 80 0.0 0.0
TMBL S 55.04 0.20 0.99 54.74 0.30 96.4 139 0.1 0.1
AKUL P 49.80 0.20 1.07 50.31 -0.51 136.1 54 0.1 0.1
AKUL S 65.70 1.00 0.70 65.71 -0.01 136.1 54 0.1 0.1
RKGY P 50.10 0.30 0.99 50.32 -0.22 136.2 179 0.1 0.1
RKGY S 65.85 1.00 0.70 65.73 0.12 136.2 179 0.1 0.1
ONGR P 50.83 0.20 1.06 51.36 -0.53 143.2 112 -30.8 30.8
COR2 P 53.39 0.03 1.54 53.94 -0.55 161.6 27 -30.8 30.8
COR2 S 73.10 1.00 0.69 72.75 0.35 161.6 27 0.1 0.1
Velocity Ratios
AJ01 AJ02
AJ01 1.49 0.00
0.81 0.00
AJ02 0.00 1.63
0.00 0.41
Date 2022-04-30
Origin Time 0742 55.63 +- 1.21
Zone 50
Easting 498.38 +- 24.23 Longitude 116.983
Northing 6308.44 +- 11.16 Latitude -33.363
Depth 3.23 +- 9.36
Arrival times = 6 S.D. = 0.018 Seismographs = 4
Nearest recorder = 1.8 km Gap = 186.7 deg Accuracy = B
Effects Code = Imax = 0 Fault =
0 km SE (130 deg) of AJ01
WESTERN AUSTRALIA
199 km NW (335 deg) of ALBANY
189 km SE (146 deg) of PERTH
5 km W (252 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ03 i P 56.24 0.03 2.09 56.24 0.00 1.8 147 60.9 60.9
AJ03 i S 56.64 0.30 1.19 56.66 -0.02 1.8 147 60.9 60.9
AJ02 i P 56.30 0.03 2.06 56.31 -0.01 2.6 46 51.2 51.2
AJ02 i S 56.79 0.30 1.17 56.78 0.01 2.6 46 51.2 51.2
ONGR P 78.50 0.20 1.06 78.50 -0.00 142.3 113 -30.8 30.8
MUN P 82.40 0.30 0.87 82.35 0.05 169.8 334 -30.8 30.8
6 times used, S = 0.018
Deferred Data
AJ01 S-P 0.20 5.00 0.52 0.38 -0.18 0.9 310 0.0 0.0
NWAO P 64.75 0.10 1.33 64.42 0.33 53.8 25 3.7 3.7
NWAO S 71.10 1.00 0.75 70.51 0.59 53.8 25 3.7 3.7
AKUL P 77.40 0.20 1.07 77.28 0.12 133.6 55 -30.8 30.8
AKUL S 93.45 1.00 0.70 92.54 0.91 133.6 55 1.5 1.5
RKGY P 77.95 0.20 1.00 77.92 0.03 138.2 180 -30.8 30.8
RKGY S 93.74 1.00 0.55 93.82 -0.08 138.2 180 1.5 1.5
ONGR S 95.30 1.00 0.69 94.97 0.33 142.3 113 1.4 1.4
MUN S 101.70 1.00 0.54 102.44 -0.74 169.8 334 -23.9 23.9
KLBR P 88.05 0.20 0.96 87.26 0.79 209.4 20 -42.2 42.2
KLBR S 111.30 1.00 0.53 110.87 0.43 209.4 20 -40.3 40.3
KORD P 96.60 0.30 0.83 95.77 0.83 279.9 10 -42.2 42.2
KORD S 126.40 1.00 0.52 125.68 0.72 279.9 10 -40.3 40.3
Velocity Ratios
AJ03 AJ02
AJ03 1.66 0.00
0.61 0.00
AJ02 0.00 1.73
0.00 0.55
Date 2022-04-30
Origin Time 0742 55.40 +- 1.59
Zone 50
Easting 496.42 +- 10.93 Longitude 116.962
Northing 6309.01 +- 3.23 Latitude -33.358
Depth 1.69 +- 6.25
Arrival times = 8 S.D. = 0.020 Seismographs = 6
Nearest recorder = 3.6 km Gap = 208.5 deg Accuracy = A
Effects Code = Imax = 0 Fault =
1 km W (270 deg) of AJ01
WESTERN AUSTRALIA
199 km NE ( 58 deg) of AUGUSTA
188 km SE (147 deg) of PERTH
6 km W (262 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
MP34 0.00 Seismograph details unknown
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ03 i P 56.24 0.03 2.03 56.22 0.02 3.6 125 25.2 25.2
AJ03 i S 56.64 0.30 1.15 56.67 -0.03 3.6 125 25.2 25.2
AJ02 i P 56.30 0.03 2.01 56.30 -0.00 4.0 72 22.8 22.8
AJ02 i S 56.79 0.30 1.14 56.80 -0.01 4.0 72 22.8 22.8
NWAO P 64.75 0.10 1.33 64.75 -0.00 54.1 27 -36.7 36.7
TMBL P 71.69 0.10 1.26 71.67 0.02 98.5 140 -41.3 41.3
AKUL P 77.40 0.20 1.07 77.39 0.01 134.9 55 -41.3 41.3
RKGY P 77.95 0.20 1.07 77.99 -0.04 138.8 179 -41.3 41.3
8 times used, S = 0.020
Deferred Data
AJ01 S-P 0.20 5.00 0.76 0.24 -0.04 1.3 90 0.0 0.0
MP34 S-P 5.00 5.00 0.51 0.29 4.71 1.9 326 0.0 0.0
NWAO S 71.10 1.00 0.75 70.80 0.30 54.1 27 -30.6 30.6
TMBL S 82.99 1.00 0.72 82.69 0.30 98.5 140 -34.4 34.4
AKUL S 93.45 1.00 0.70 92.37 1.08 134.9 55 -34.4 34.4
RKGY S 93.74 1.00 0.70 93.39 0.35 138.8 179 -34.4 34.4
ONGR P 78.50 0.20 1.06 78.87 -0.37 144.4 113 -41.3 41.3
ONGR S 95.30 1.00 0.69 94.88 0.42 144.4 113 -34.4 34.4
MUN P 82.40 0.30 0.97 82.62 -0.22 168.5 335 -41.3 41.3
MUN S 101.70 1.00 0.68 101.26 0.44 168.5 335 -34.4 34.4
KLBR P 88.05 0.20 1.03 87.74 0.31 209.5 20 -53.8 53.8
KLBR S 111.30 1.00 0.67 111.68 -0.38 209.5 20 -47.4 47.4
KORD P 96.60 0.30 0.92 96.31 0.29 279.7 10 -53.8 53.8
KORD S 126.40 1.00 0.65 126.88 -0.48 279.7 10 -47.4 47.4
Velocity Ratios
AJ03 AJ02
AJ03 1.47 0.00
0.42 0.00
AJ02 0.00 1.54
0.00 0.40
Date 2022-04-30
Origin Time 1408 23.19 +- 0.00
Zone 50
Easting 498.05 +- 0.00 Longitude 116.979
Northing 6307.61 +- 0.00 Latitude -33.371
Depth 2.77 +- 0.00
Arrival times = 4 S.D. = 0.016 Seismographs = 2
Nearest recorder = 1.5 km Gap = 281.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
1 km S (167 deg) of AJ01
WESTERN AUSTRALIA
199 km NW (335 deg) of ALBANY
190 km SE (146 deg) of PERTH
5 km SW (244 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ03 i P 23.71 0.03 2.11 23.70 0.01 1.5 118 62.1 62.1
AJ03 i S 24.04 0.30 1.20 24.06 -0.02 1.5 118 62.1 62.1
AJ02 i P 23.90 0.03 2.03 23.91 -0.01 3.4 40 39.0 39.0
AJ02 i S 24.43 0.30 1.15 24.41 0.02 3.4 40 39.0 39.0
4 times used, S = 0.016
Deferred Data
AJ01 S-P 0.30 5.00 0.76 0.35 -0.05 1.4 347 0.0 0.0
NWAO P 32.46 0.10 1.32 32.12 0.34 54.6 25 3.2 3.2
NWAO S 38.60 1.00 0.75 38.31 0.29 54.6 25 3.2 3.2
AKUL P 44.74 0.20 1.07 44.98 -0.24 134.3 54 -30.8 30.8
AKUL S 60.50 1.00 0.70 60.30 0.20 134.3 54 1.3 1.3
ONGR P 45.82 0.20 1.06 46.10 -0.28 142.3 113 -30.8 30.8
KLBR P 55.35 0.20 1.03 54.98 0.37 210.3 20 -42.2 42.2
Velocity Ratios
AJ03 AJ02
AJ03 1.62 0.00
0.71 0.00
AJ02 0.00 1.75
0.00 0.52
Date 2022-04-30
Origin Time 1408 23.19 +- 0.00
Zone 50
Easting 498.83 +- 0.00 Longitude 116.987
Northing 6306.03 +- 0.00 Latitude -33.385
Depth 0.02 +- 0.00
Arrival times = 4 S.D. = 0.015 Seismographs = 2
Nearest recorder = 3.2 km Gap = 321.0 deg Accuracy = B
Effects Code = Imax = 0 Fault =
1 km SW (210 deg) of AJ03
WESTERN AUSTRALIA
197 km NW (335 deg) of ALBANY
192 km SE (146 deg) of PERTH
6 km SW (226 deg) of Arthur River
Record Dur Sync Unc Resp Seismometer Recorder Pol
AJ01 0.00 Seismograph details unknown
AJ02 0.00 Seismograph details unknown
AJ03 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AJ01 i P 23.71 0.03 2.04 23.70 0.01 3.2 339 0.4 0.4
AJ01 i S 24.04 0.30 1.16 24.06 -0.02 3.2 339 0.4 0.4
AJ02 i P 23.90 0.03 2.00 23.91 -0.01 4.4 18 0.3 0.3
AJ02 i S 24.43 0.30 1.14 24.41 0.02 4.4 18 0.3 0.3
4 times used, S = 0.015
Deferred Data
AJ03 i P 23.71 0.03 2.14 23.35 0.36 1.0 29 1.1 1.1
AJ03 i S 24.04 0.30 1.21 23.47 0.57 1.0 29 1.1 1.1
AJ01 S-P 0.30 5.00 0.74 0.36 -0.06 3.2 339 0.0 0.0
NWAO P 32.46 0.10 1.32 32.28 0.18 55.7 24 0.3 0.3
NWAO S 38.60 1.00 0.75 38.58 0.02 55.7 24 0.3 0.3
AKUL P 44.74 0.20 1.07 45.14 -0.40 134.6 54 0.2 0.2
AKUL S 60.50 1.00 0.70 60.37 0.13 134.6 54 0.2 0.2
ONGR P 45.82 0.20 1.06 46.14 -0.32 141.0 112 -30.8 30.8
KLBR P 55.35 0.20 1.03 55.42 -0.07 211.5 20 -42.2 42.2
Velocity Ratios
AJ01 AJ02
AJ01 1.63 0.00
0.71 0.00
AJ02 0.00 1.74
0.00 0.51