Data Report
Bulletin / 2021-01
Contributed by CUPWA
Date 2021-01-12
Origin Time 0954 4.45 +- 0.99
Zone 50
Easting 520.36 +- 8.93 Longitude 117.216
Northing 6461.14 +- 5.52 Latitude -31.985
Depth 2.00 +- 24.25 N
Arrival times = 10 S.D. = 0.177 Seismographs = 7
Nearest recorder = 52.1 km Gap = 163.3 deg Accuracy = C
Effects Code = Imax = 0 Fault =
5 km W (274 deg) of QUW
WESTERN AUSTRALIA
129 km E ( 92 deg) of PERTH
31 km NE ( 61 deg) of Beverley
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
COR2 P 13.10 0.10 1.33 12.96 0.14 52.1 102 2.5 2.5
COR2 S 18.70 0.50 0.87 18.87 -0.17 52.1 102 2.5 2.5
KLBR P 15.22 0.10 1.30 15.42 -0.20 67.2 49 2.0 2.0
NWAO P 21.34 0.20 1.09 21.48 -0.14 104.3 179 1.2 1.2
AKUL S 36.80 1.00 0.71 36.59 0.21 116.3 131 1.2 1.2
KORD P 24.90 0.20 1.08 24.99 -0.09 125.9 12 1.0 1.0
KORD S 39.20 1.00 0.70 39.22 -0.02 125.9 12 1.0 1.0
BLDU P 29.95 0.30 0.97 29.86 0.09 159.7 342 -30.8 30.8
WATG P 31.20 0.20 1.05 30.92 0.28 167.4 34 -30.8 30.8
WATG S 50.70 1.00 0.68 50.71 -0.01 167.4 34 0.7 0.7
10 times used, S = 0.177
Deferred Data
MECK S-P 4.10 2.00 0.74 4.97 -0.87 43.9 333 0.0 0.0
KLBR S 22.83 1.00 0.74 23.02 -0.19 67.2 49 2.0 2.0
NWAO S 34.25 1.00 0.71 33.28 0.97 104.3 179 1.2 1.2
BLDU S 48.10 1.00 0.69 48.57 -0.47 159.7 342 0.8 0.8
BCON P 34.30 0.20 1.04 33.89 0.41 190.2 16 -42.2 42.2
Velocity Ratios
COR2 KORD WATG
COR2 1.65 1.74 1.77
0.08 0.18 0.11
KORD 1.74 1.70 0.00
0.18 0.07 0.00
WATG 1.77 0.00 1.73
0.11 0.00 0.05
Date 2021-01-12
Origin Time 0954 4.51 +- 0.80
Zone 50
Easting 521.01 +- 7.43 Longitude 117.222
Northing 6461.24 +- 4.49 Latitude -31.985
Depth 7.01 +- 18.80
Arrival times = 9 S.D. = 0.142 Seismographs = 8
Nearest recorder = 51.5 km Gap = 162.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
4 km W (276 deg) of QUW
WESTERN AUSTRALIA
130 km E ( 92 deg) of PERTH
31 km NE ( 62 deg) of Beverley
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
COR2 P 13.10 0.10 1.33 12.90 0.20 51.5 102 8.1 8.1
COR2 S 18.70 0.50 0.87 18.96 -0.26 51.5 102 8.1 8.1
KLBR P 15.22 0.10 1.30 15.32 -0.10 66.6 49 6.3 6.3
NWAO P 21.34 0.20 1.09 21.39 -0.06 104.4 179 4.0 4.0
AKUL S 36.80 1.00 0.71 36.77 0.03 115.9 131 3.6 3.6
KORD P 24.90 0.20 1.08 24.80 0.10 125.6 12 3.2 3.2
BLDU P 29.95 0.30 0.97 30.08 -0.13 159.8 342 -24.2 24.2
WATG P 31.20 0.20 1.05 31.13 0.07 167.0 33 -24.2 24.2
BCON P 34.30 0.20 1.04 34.29 0.01 189.9 15 -38.3 38.3
9 times used, S = 0.142
Deferred Data
MECK S-P 4.10 2.00 0.74 5.21 -1.11 44.1 332 0.0 0.0
KLBR S 22.83 1.00 0.74 23.13 -0.30 66.6 49 6.3 6.3
NWAO S 34.25 1.00 0.71 33.59 0.66 104.4 179 4.0 4.0
KORD S 39.20 1.00 0.70 39.46 -0.26 125.6 12 3.2 3.2
BLDU S 48.10 1.00 0.69 48.49 -0.39 159.8 342 -24.6 24.6
WATG S 50.70 1.00 0.68 50.27 0.43 167.0 33 -24.6 24.6
Velocity Ratios
COR2
COR2 1.65
0.08
Date 2021-01-15
Origin Time 0259 5.56 +- 0.84
Zone 50
Easting 532.22 +- 7.44 Longitude 117.343
Northing 6402.18 +- 6.41 Latitude -32.517
Depth 5.08 +- 22.62
Arrival times = 8 S.D. = 0.081 Seismographs = 6
Nearest recorder = 32.4 km Gap = 87.5 deg Accuracy = B
Effects Code = Imax = 0 Fault =
32 km E ( 97 deg) of PINW
WESTERN AUSTRALIA
280 km N (350 deg) of ALBANY
154 km SE (114 deg) of PERTH
38 km SE (121 deg) of Brookton
Record Dur Sync Unc Resp Seismometer Recorder Pol
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
PINW i P 10.90 0.10 1.38 10.91 -0.01 32.4 277 9.1 9.1
NWAO i P 13.14 0.10 1.34 13.20 -0.06 46.5 192 6.6 6.6
NWAO S 18.60 1.00 0.76 18.50 0.10 46.5 192 6.6 6.6
AKUL P 18.16 0.10 1.29 18.28 -0.12 77.8 102 4.0 4.0
AKUL S 27.21 1.00 0.73 27.11 0.11 77.8 102 4.0 4.0
DBYG P 23.10 0.10 1.25 23.01 0.09 106.9 160 2.9 2.9
KLBR P 23.54 0.10 1.25 23.48 0.06 109.7 20 2.8 2.8
KORD P 33.71 0.10 1.20 33.71 -0.00 182.4 4 -42.2 42.2
8 times used, S = 0.081
Deferred Data
PINW i S 14.90 0.50 0.90 14.62 0.28 32.4 277 9.1 9.1
DBYG S 35.40 1.00 0.71 35.12 0.28 106.9 160 2.9 2.9
KLBR S 36.14 1.00 0.71 35.90 0.24 109.7 20 2.8 2.8
ONGR PG 34.80 0.50 0.87 34.72 0.08 178.7 147 1.7 1.7
KORD S 55.65 1.00 0.68 54.75 0.90 182.4 4 -40.3 40.3
WATG P 38.55 0.20 1.03 37.50 1.05 213.8 22 -42.2 42.2
WATG S 63.04 1.00 0.67 61.36 1.68 213.8 22 -40.3 40.3
Velocity Ratios
NWAO AKUL
NWAO 1.72 0.00
0.16 0.00
AKUL 0.00 1.72
0.00 0.09
Date 2021-01-18
Origin Time 1518 50.10 +- 0.42
Zone 50
Easting 519.13 +- 3.24 Longitude 117.199
Northing 6630.33 +- 3.83 Latitude -30.459
Depth -1.01 +- 17.80
Arrival times = 11 S.D. = 0.097 Seismographs = 8
Nearest recorder = 34.9 km Gap = 112.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
1 km E ( 87 deg) of BK7
WESTERN AUSTRALIA
209 km NE ( 38 deg) of PERTH
7 km N ( 23 deg) of Burakin
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
CADX i P 55.86 0.05 1.58 55.79 0.07 34.9 189 -1.2 -1.2
CADX i S 59.90 0.50 0.90 59.74 0.16 34.9 189 -1.2 -1.2
BLDU P 58.11 0.10 1.33 58.25 -0.14 50.0 249 -0.8 -0.8
KORD i P 58.97 0.05 1.52 59.02 -0.05 54.7 148 -1.0 -1.0
KORD S 65.10 0.50 0.86 65.21 -0.11 54.7 148 -1.0 -1.0
BCON P 59.30 0.10 1.32 59.24 0.06 56.0 76 -0.7 -0.7
WLBG P 65.37 0.10 1.27 65.32 0.05 93.3 253 -0.6 -0.6
WATG P 66.46 0.10 1.26 66.49 -0.03 100.5 107 -0.5 -0.5
KLBR P 72.40 0.10 1.23 72.32 0.08 136.2 157 -0.3 -0.3
KLBR S 87.50 1.00 0.70 87.73 -0.23 136.2 157 -0.3 -0.3
MORW P 79.92 0.20 1.04 79.92 -0.00 190.6 323 -42.2 42.2
11 times used, S = 0.097
Deferred Data
BCON S 64.60 1.00 0.75 65.57 -0.97 56.0 76 -0.7 -0.7
WLBG S 76.50 1.00 0.72 75.88 0.62 93.3 253 -0.6 -0.6
WATG S 78.10 1.00 0.72 77.85 0.25 100.5 107 -0.5 -0.5
MORW S 102.00 1.00 0.68 102.14 -0.14 190.6 323 -40.3 40.3
PINW S 111.30 1.00 0.67 109.29 2.01 224.8 184 -40.3 40.3
AKUL P 88.95 0.20 1.01 88.47 0.48 261.2 160 -42.2 42.2
AKUL S 115.70 1.00 0.66 117.01 -1.31 261.2 160 -40.3 40.3
NWAO P 89.40 0.10 1.15 89.95 -0.55 273.5 179 -42.2 42.2
Velocity Ratios
CADX KORD KLBR
CADX 1.70 0.00 1.67
0.10 0.00 0.11
KORD 0.00 1.69 1.67
0.00 0.07 0.13
KLBR 1.67 1.67 1.68
0.11 0.13 0.05
Date 2021-01-27
Origin Time 1335 33.94 +- 0.47
Zone 50
Easting 541.16 +- 5.64 Longitude 117.437
Northing 6423.57 +- 2.84 Latitude -32.324
Depth 2.70 +- 10.07
Arrival times = 11 S.D. = 0.085 Seismographs = 8
Nearest recorder = 39.9 km Gap = 118.8 deg Accuracy = A
Effects Code = Imax = 0 Fault =
34 km S (173 deg) of QUAI
WESTERN AUSTRALIA
300 km N (352 deg) of ALBANY
155 km E (106 deg) of PERTH
41 km W (271 deg) of Corrigin
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
COR2 P 40.40 0.05 1.56 40.47 -0.07 39.9 48 4.3 4.3
COR2 S 45.10 0.50 0.89 45.00 0.10 39.9 48 4.3 4.3
PINW P 41.20 0.10 1.35 41.22 -0.02 44.5 246 3.6 3.6
NWAO P 45.27 0.10 1.30 45.29 -0.02 69.5 195 2.4 2.4
KLBR P 48.04 0.10 1.28 48.06 -0.02 86.5 20 2.0 2.0
KLBR S 57.94 1.00 0.72 57.86 0.08 86.5 20 2.0 2.0
DBYG P 54.40 0.10 1.24 54.33 0.07 125.0 167 1.4 1.4
KORD P 59.54 0.10 1.21 59.38 0.16 160.5 2 -30.8 30.8
KORD S 78.25 1.00 0.69 78.28 -0.03 160.5 2 1.0 1.0
WATG P 63.22 0.10 1.19 63.34 -0.12 190.6 22 -42.2 42.2
BCON P 67.20 0.20 1.02 67.22 -0.02 222.5 8 -42.2 42.2
11 times used, S = 0.085
Deferred Data
PINW S 46.90 1.00 0.76 46.26 0.64 44.5 246 3.6 3.6
NWAO S 53.71 1.00 0.74 53.16 0.55 69.5 195 2.4 2.4
DBYG S 68.80 1.00 0.70 68.47 0.33 125.0 167 1.4 1.4
ONGR P 64.86 0.10 1.19 63.62 1.24 192.7 152 -42.2 42.2
BLDU P 65.23 0.20 1.03 64.73 0.50 202.0 339 -42.2 42.2
Velocity Ratios
COR2 KLBR KORD
COR2 1.73 0.00 1.73
0.09 0.00 0.09
KLBR 0.00 1.70 0.00
0.00 0.08 0.00
KORD 1.73 0.00 1.73
0.09 0.00 0.05