Data Report
Bulletin / 2020-09
Contributed by CUPWA
Date 2020-09-07
Origin Time 0550 41.01 +- 0.51
Zone 50
Easting 506.81 +- 3.05 Longitude 117.072
Northing 6491.07 +- 4.70 Latitude -31.716
Depth 6.31 +- 3.60
Arrival times = 10 S.D. = 0.123 Seismographs = 8
Nearest recorder = 3.5 km Gap = 76.5 deg Accuracy = B
Effects Code = Imax = 0 Fault =
1 km E ( 95 deg) of ME3
WESTERN AUSTRALIA
119 km E ( 78 deg) of PERTH
11 km SE (148 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
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
MEKS P 42.29 0.02 2.20 42.22 0.07 3.5 295 61.6 61.6
MEKS S 43.01 0.20 1.25 43.06 -0.05 3.5 295 61.6 61.6
KLBR P 51.77 0.10 1.30 51.86 -0.09 66.2 78 5.7 5.7
KLBR S 59.50 1.00 0.74 59.38 0.12 66.2 78 5.7 5.7
COR2 S 62.30 1.00 0.73 62.23 0.07 76.5 122 4.9 4.9
MUN P 55.15 0.10 1.28 55.20 -0.05 86.7 250 4.3 4.3
KORD P 57.40 0.10 1.26 57.62 -0.22 101.6 23 3.6 3.6
BLDU P 61.55 0.10 1.23 61.50 0.05 127.1 344 -30.8 30.8
NWAO P 62.53 0.20 1.07 62.61 -0.08 135.1 173 -30.8 30.8
WATG P 65.32 0.20 1.06 65.09 0.23 152.9 44 -30.8 30.8
10 times used, S = 0.123
Deferred Data
COR2 P 46.82 0.10 1.29 53.54 -6.72 76.5 122 4.9 4.9
MUN S 65.30 1.00 0.72 65.04 0.26 86.7 250 4.3 4.3
KORD S 68.65 1.00 0.71 69.13 -0.48 101.6 23 3.6 3.6
BLDU S 75.50 1.00 0.70 76.18 -0.68 127.1 344 3.0 3.0
NWAO S 79.00 1.00 0.70 78.38 0.62 135.1 173 2.8 2.8
WATG S 83.20 1.00 0.69 83.19 0.01 152.9 44 -23.9 23.9
BCON P 67.51 0.20 1.05 67.02 0.49 166.6 23 -30.8 30.8
BCON S 86.20 1.00 0.68 86.67 -0.47 166.6 23 -23.9 23.9
MORW P 85.80 0.30 0.91 84.44 1.36 309.7 341 -42.2 42.2
MORW S 120.50 1.00 0.65 116.82 3.68 309.7 341 -40.3 40.3
RKGY P 87.20 0.30 0.91 85.80 1.40 320.9 181 -42.2 42.2
Velocity Ratios
MEKS KLBR
MEKS 1.56 1.74
0.18 0.15
KLBR 1.74 1.72
0.15 0.11
Date 2020-09-09
Origin Time 0025 39.52 +- 0.71
Zone 50
Easting 498.62 +- 7.29 Longitude 116.985
Northing 6431.57 +- 5.03 Latitude -32.252
Depth 4.71 +- 19.86
Arrival times = 10 S.D. = 0.097 Seismographs = 6
Nearest recorder = 25.2 km Gap = 118.0 deg Accuracy = A
Effects Code = Imax = 0 Fault =
15 km SE (116 deg) of AUAL
WESTERN AUSTRALIA
112 km E (108 deg) of PERTH
10 km N (352 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 2.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
PINW P 43.74 0.10 1.41 43.71 0.03 25.2 176 10.8 10.8
PINW S 46.56 0.50 0.92 46.62 -0.06 25.2 176 10.8 10.8
NWAO P 52.32 0.10 1.29 52.31 0.01 78.3 162 3.6 3.6
NWAO S 61.20 1.00 0.73 61.18 0.02 78.3 162 3.6 3.6
MUN P 52.37 0.10 1.29 52.49 -0.12 79.4 292 3.6 3.6
MUN S 61.70 1.00 0.73 61.48 0.22 79.4 292 3.6 3.6
KLBR P 56.42 0.10 1.26 56.38 0.04 103.2 44 2.8 2.8
KORD P 64.60 0.20 1.05 64.74 -0.14 160.2 17 -30.8 30.8
KORD S 83.70 1.00 0.69 83.70 -0.00 160.2 17 -23.9 23.9
BLDU P 68.00 0.20 1.04 67.89 0.11 183.7 351 -42.2 42.2
10 times used, S = 0.097
Deferred Data
MEKS P 50.34 0.10 1.31 49.54 0.80 61.2 4 4.6 4.6
MEKS S 56.50 0.20 1.03 56.49 0.01 61.2 4 4.6 4.6
KLBR S 68.50 1.00 0.71 68.07 0.43 103.2 44 2.8 2.8
BLDU S 89.60 1.00 0.68 89.09 0.51 183.7 351 -40.3 40.3
WATG P 71.30 0.20 1.03 70.33 0.97 204.1 34 -42.2 42.2
Velocity Ratios
PINW NWAO MUN KORD
PINW 1.67 0.00 0.00 1.78
0.16 0.00 0.00 0.10
NWAO 0.00 1.69 0.00 0.00
0.00 0.09 0.00 0.00
MUN 0.00 0.00 1.73 0.00
0.00 0.00 0.09 0.00
KORD 1.78 0.00 0.00 1.76
0.10 0.00 0.00 0.05
Date 2020-09-20
Origin Time 1607 17.74 +- 0.52
Zone 50
Easting 598.77 +- 2.87 Longitude 118.032
Northing 6594.40 +- 7.15 Latitude -30.779
Depth 0.31 +- 15.71
Arrival times = 9 S.D. = 0.153 Seismographs = 7
Nearest recorder = 16.7 km Gap = 153.9 deg Accuracy = A
Effects Code = Imax = 0 Fault =
16 km W (251 deg) of WATG
WESTERN AUSTRALIA
245 km NE ( 59 deg) of PERTH
18 km E ( 75 deg) of Bencubbin
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.1
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
WATG i P 20.47 0.10 1.45 20.47 -0.00 16.7 71 1.4 1.4
WATG i S 22.37 0.05 1.50 22.36 0.01 16.7 71 1.4 1.4
KORD P 26.14 0.10 1.33 26.18 -0.04 51.8 257 0.5 0.5
KORD S 32.02 1.00 0.76 32.04 -0.02 51.8 257 0.5 0.5
KLBR P 33.00 0.10 1.27 33.05 -0.05 93.8 196 0.4 0.4
BLDU P 38.65 0.10 1.23 38.63 0.02 128.1 278 0.3 0.3
MEKS P 40.61 0.10 1.22 40.43 0.18 139.3 222 -30.8 30.8
COR2 P 41.71 0.10 1.22 41.53 0.18 147.2 190 -30.8 30.8
NWAO P 54.16 0.20 1.01 54.57 -0.41 249.7 197 -42.2 42.2
9 times used, S = 0.153
Deferred Data
KLBR S 44.15 1.00 0.72 43.66 0.49 93.8 196 0.4 0.4
BLDU S 53.52 1.00 0.70 53.12 0.40 128.1 278 0.3 0.3
MEKS S 56.80 1.00 0.70 56.23 0.57 139.3 222 0.2 0.2
COR2 S 58.60 1.00 0.69 58.40 0.20 147.2 190 0.2 0.2
MUN P 51.83 0.20 1.02 50.79 1.04 218.5 231 -42.2 42.2
MUN SG 77.80 1.00 0.53 78.10 -0.30 218.5 231 0.1 0.1
NWAO SG 85.70 1.00 0.66 86.73 -1.03 249.7 197 0.1 0.1
Velocity Ratios
WATG KORD
WATG 1.70 0.00
0.08 0.00
KORD 0.00 1.70
0.00 0.14
Date 2020-09-22
Origin Time 1916 44.78 +- 1.59
Zone 50
Easting 481.36 +- 17.72 Longitude 116.799
Northing 6293.87 +- 7.01 Latitude -33.494
Depth 4.96 +- 22.93
Arrival times = 8 S.D. = 0.157 Seismographs = 6
Nearest recorder = 74.8 km Gap = 197.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
21 km SW (219 deg) of MP34
WESTERN AUSTRALIA
193 km SE (153 deg) of PERTH
178 km NE ( 59 deg) of AUGUSTA
19 km S (161 deg) of Darkan
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.1
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
NWAO P 56.97 0.10 1.29 57.02 -0.05 74.8 32 4.0 4.0
NWAO S 65.70 1.00 0.73 65.50 0.20 74.8 32 4.0 4.0
DBYG P 58.90 0.10 1.28 59.03 -0.13 87.2 85 3.5 3.5
PINW P 63.47 0.10 1.25 63.41 0.06 114.1 9 2.5 2.5
RKGY P 64.93 0.20 1.08 65.04 -0.11 124.7 172 -30.8 30.8
RKGY S 79.40 1.00 0.70 79.26 0.14 124.7 172 2.4 2.4
ONGR P 69.35 0.20 1.06 69.07 0.28 153.5 105 -30.8 30.8
AKUL P 69.25 0.20 1.06 69.41 -0.16 155.9 54 -30.8 30.8
8 times used, S = 0.157
Deferred Data
DBYG S 69.40 0.50 0.83 68.90 0.50 87.2 85 3.5 3.5
ONGR S 87.70 1.00 0.69 87.22 0.48 153.5 105 2.0 2.0
AKUL S 87.50 1.00 0.69 87.87 -0.37 155.9 54 2.0 2.0
MUN P 73.00 0.30 0.96 72.30 0.70 177.0 341 -42.2 42.2
MUN S 93.30 1.00 0.68 92.87 0.43 177.0 341 -40.3 40.3
MEKS P 77.10 0.10 1.19 75.08 2.02 200.0 6 -42.2 42.2
KLBR P 80.00 0.20 1.02 78.63 1.37 229.2 23 -42.2 42.2
Velocity Ratios
NWAO RKGY
NWAO 1.72 0.00
0.10 0.00
RKGY 0.00 1.72
0.00 0.07
Date 2020-09-23
Origin Time 0109 58.17 +- 1.38
Zone 50
Easting 431.46 +- 12.10 Longitude 116.281
Northing 6555.61 +- 5.65 Latitude -31.131
Depth -0.55 +- 18.57
Arrival times = 11 S.D. = 0.186 Seismographs = 6
Nearest recorder = 70.6 km Gap = 211.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
28 km NW (316 deg) of PIG3
WESTERN AUSTRALIA
100 km NE ( 24 deg) of PERTH
17 km W (251 deg) of Calingiri
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 69.58 0.10 1.30 69.70 -0.12 70.6 35 -0.2 -0.2
BLDU S 77.60 1.00 0.74 77.68 -0.08 70.6 35 -0.2 -0.2
MUN P 73.56 0.20 1.10 73.53 0.03 94.1 184 -0.2 -0.2
MUN S 84.12 1.00 0.72 84.18 -0.06 94.1 184 -0.2 -0.2
KORD P 77.95 0.10 1.24 77.75 0.20 120.0 76 -0.2 -0.2
KORD S 91.23 1.00 0.70 91.33 -0.10 120.0 76 -0.2 -0.2
KLBR P 82.05 0.20 1.06 82.31 -0.26 149.1 110 -30.8 30.8
KLBR S 99.44 1.00 0.69 99.37 0.07 149.1 110 -0.1 -0.1
BCON P 85.16 0.20 1.05 84.84 0.33 167.2 58 -30.8 30.8
BCON S 104.20 1.00 0.68 104.36 -0.16 167.2 58 -0.1 -0.1
WATG P 87.62 0.20 1.04 87.67 -0.05 188.4 76 -42.2 42.2
11 times used, S = 0.186
Deferred Data
NWAO P 92.06 0.20 1.02 91.30 0.76 218.4 156 -42.2 42.2
MORW P 93.40 0.20 1.02 92.69 0.71 229.8 354 -42.2 42.2
Velocity Ratios
BLDU MUN KORD KLBR BCON
BLDU 1.70 0.00 0.00 0.00 1.71
0.10 0.00 0.00 0.00 0.16
MUN 0.00 1.69 0.00 0.00 0.00
0.00 0.09 0.00 0.00 0.00
KORD 0.00 0.00 1.67 0.00 0.00
0.00 0.00 0.06 0.00 0.00
KLBR 0.00 0.00 0.00 1.73 0.00
0.00 0.00 0.00 0.06 0.00
BCON 1.71 0.00 0.00 0.00 1.71
0.16 0.00 0.00 0.00 0.05