Data Report
Bulletin / 2021-02
Contributed by CUPWA
Date 2021-02-01
Origin Time 0750 11.96 +- 0.50
Zone 50
Easting 523.95 +- 3.23 Longitude 117.251
Northing 6576.42 +- 7.05 Latitude -30.945
Depth 4.39 +- 19.16
Arrival times = 10 S.D. = 0.095 Seismographs = 8
Nearest recorder = 22.4 km Gap = 125.1 deg Accuracy = B
Effects Code = Imax = 0 Fault =
18 km SE (142 deg) of CAS
WESTERN AUSTRALIA
174 km NE ( 50 deg) of PERTH
18 km SE (126 deg) of Manmanning
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
CADX i P 15.74 0.05 1.63 15.69 0.05 22.4 330 11.8 11.8
CADX S 18.40 1.00 0.81 18.28 0.12 22.4 330 11.8 11.8
KORD i P 15.98 0.10 1.41 16.15 -0.16 25.3 72 10.1 10.1
KORD S 19.20 0.50 0.92 19.05 0.15 25.3 72 10.1 10.1
BLDU P 22.28 0.10 1.31 22.37 -0.09 63.6 305 4.2 4.2
BCON P 25.61 0.10 1.28 25.62 -0.01 83.6 36 3.2 3.2
KLBR P 26.10 0.20 1.11 26.04 0.06 86.2 146 3.1 3.1
WATG P 27.30 0.20 1.10 27.26 0.04 93.7 75 2.7 2.7
COR2 P 33.75 0.30 0.99 33.73 0.02 135.1 159 -30.8 30.8
NWAO P 44.72 0.20 1.02 44.70 0.02 219.6 180 -42.2 42.2
10 times used, S = 0.095
Deferred Data
BLDU S 30.00 1.00 0.74 29.59 0.41 63.6 305 4.2 4.2
BCON S 35.50 1.00 0.73 35.09 0.41 83.6 36 3.2 3.2
KLBR S 36.00 1.00 0.72 35.81 0.19 86.2 146 3.1 3.1
WATG S 38.20 1.00 0.72 37.86 0.34 93.7 75 2.7 2.7
MORW P 48.40 0.30 0.94 47.00 1.40 238.6 330 -42.2 42.2
Velocity Ratios
CADX KORD
CADX 1.70 0.00
0.29 0.00
KORD 0.00 1.80
0.00 0.17
Date 2021-02-05
Origin Time 2237 56.52 +- 0.54
Zone 50
Easting 507.01 +- 3.36 Longitude 117.073
Northing 6580.60 +- 5.63 Latitude -30.908
Depth 3.06 +- 26.85
Arrival times = 11 S.D. = 0.077 Seismographs = 7
Nearest recorder = 16.5 km Gap = 147.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
7 km S (181 deg) of CAM
WESTERN AUSTRALIA
164 km NE ( 46 deg) of PERTH
7 km S (202 deg) of Manmanning
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
CADX i P 59.56 0.05 1.67 59.58 -0.02 16.5 21 3.9 36.9
CADX S 61.56 0.50 0.95 61.58 -0.02 16.5 21 4.4 28.0
KORD P 63.71 0.10 1.35 63.67 0.04 41.2 85 1.4 36.7
KORD S 68.50 0.50 0.88 68.57 -0.07 41.2 85 1.4 27.7
BLDU P 64.90 0.10 1.34 64.81 0.09 47.9 313 1.2 36.7
WLBG S 79.90 0.10 1.15 79.99 -0.09 81.4 287 0.7 27.7
BCON P 72.10 0.20 1.11 72.02 0.08 91.7 46 -13.5 38.8
BCON S 83.00 1.00 0.72 82.96 0.04 91.7 46 0.6 27.7
KLBR P 73.37 0.20 1.10 73.33 0.04 99.7 139 -13.5 38.8
WATG P 74.71 0.20 1.09 74.86 -0.15 109.4 79 -13.5 38.8
WATG S 87.90 1.00 0.71 87.88 0.02 109.4 79 -10.2 29.4
11 times used, S = 0.077
Deferred Data
BLDU S 69.90 1.00 0.76 70.50 -0.60 47.9 313 1.2 27.7
MORW P 91.51 0.30 0.94 92.30 -0.79 227.0 333 -39.9 52.0
MORW S 118.04 1.00 0.67 118.55 -0.51 227.0 333 -37.9 45.7
Velocity Ratios
CADX KORD BCON WATG
CADX 1.66 0.00 1.71 1.74
0.19 0.00 0.16 0.13
KORD 0.00 1.67 0.00 1.76
0.00 0.09 0.00 0.19
BCON 1.71 0.00 1.70 0.00
0.16 0.00 0.09 0.00
WATG 1.74 1.76 0.00 1.72
0.13 0.19 0.00 0.07
Date 2021-02-09
Origin Time 1714 11.30 +- 1.35
Zone 50
Easting 520.90 +- 12.78 Longitude 117.221
Northing 6460.86 +- 7.59 Latitude -31.988
Depth 0.28 +- 36.62
Arrival times = 8 S.D. = 0.049 Seismographs = 6
Nearest recorder = 51.5 km Gap = 192.9 deg Accuracy = B
Effects Code = Imax = 0 Fault =
4 km W (271 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 2.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
COR2 P 19.74 0.10 1.33 19.71 0.03 51.5 102 0.6 0.6
COR2 S 25.50 1.00 0.76 25.54 -0.04 51.5 102 0.6 0.6
KLBR P 22.20 0.10 1.30 22.22 -0.02 66.9 48 0.5 0.5
KLBR S 29.70 1.00 0.74 29.79 -0.09 66.9 48 0.5 0.5
NWAO P 28.22 0.10 1.26 28.27 -0.05 104.0 179 0.3 0.3
AKUL P 30.24 0.20 1.08 30.18 0.06 115.7 131 0.3 0.3
KORD P 31.90 0.20 1.08 31.86 0.04 126.0 12 0.2 0.2
WATG P 37.90 0.20 1.05 37.90 -0.00 167.4 33 -30.8 30.8
8 times used, S = 0.049
Deferred Data
QUA S-P 2.00 5.00 0.48 0.56 1.44 5.0 106 0.0 0.0
NWAO S 41.05 1.00 0.71 40.04 1.01 104.0 179 0.3 0.3
AKUL S 43.94 1.00 0.71 43.27 0.67 115.7 131 0.3 0.3
KORD S 45.00 1.00 0.70 46.11 -1.11 126.0 12 0.2 0.2
DBYG S 57.50 1.00 0.68 57.20 0.30 166.2 163 0.2 0.2
Velocity Ratios
COR2 KLBR
COR2 1.68 0.00
0.14 0.00
KLBR 0.00 1.69
0.00 0.11
Date 2021-02-15
Origin Time 0416 5.86 +- 0.85
Zone 50
Easting 533.54 +- 8.82 Longitude 117.357
Northing 6402.00 +- 4.99 Latitude -32.519
Depth 1.64 +- 13.12
Arrival times = 10 S.D. = 0.232 Seismographs = 7
Nearest recorder = 46.7 km Gap = 185.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
33 km E ( 97 deg) of PINW
WESTERN AUSTRALIA
279 km N (350 deg) of ALBANY
155 km SE (114 deg) of PERTH
39 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
NWAO P 13.30 0.10 1.34 13.48 -0.18 46.7 194 2.3 2.3
NWAO S 19.00 1.00 0.76 18.77 0.23 46.7 194 2.3 2.3
COR2 P 15.99 0.10 1.31 15.80 0.19 60.9 37 1.8 1.8
AKUL P 18.16 0.10 1.29 18.34 -0.18 76.5 102 1.5 1.5
KLBR P 23.74 0.20 1.09 23.71 0.03 109.4 20 1.0 1.0
KLBR S 36.20 1.00 0.71 36.09 0.11 109.4 20 1.0 1.0
HYDN P 28.70 0.10 1.22 28.80 -0.10 142.0 87 -30.8 30.8
ONGR P 34.30 0.20 1.04 33.83 0.47 177.8 147 -30.8 30.8
ONGR S 54.70 1.00 0.68 54.73 -0.03 177.8 147 -40.3 40.3
WATG P 37.90 0.20 1.03 38.14 -0.24 213.5 22 -42.2 42.2
10 times used, S = 0.232
Deferred Data
COR2 S 23.50 1.00 0.75 22.70 0.80 60.9 37 1.8 1.8
AKUL S 27.50 1.00 0.73 27.00 0.50 76.5 102 1.5 1.5
HYDN S 47.20 1.00 0.69 45.09 2.11 142.0 87 0.7 0.7
KORD P 33.30 0.20 1.04 34.40 -1.10 182.5 4 -42.2 42.2
KORD S 55.40 1.00 0.68 55.68 -0.28 182.5 4 -40.3 40.3
Velocity Ratios
NWAO KLBR ONGR
NWAO 1.77 0.00 1.70
0.16 0.00 0.12
KLBR 0.00 1.70 0.00
0.00 0.08 0.00
ONGR 1.70 0.00 1.72
0.12 0.00 0.05
Date 2021-02-19
Origin Time 0456 37.14 +- 0.65
Zone 50
Easting 524.20 +- 9.27 Longitude 117.257
Northing 6411.21 +- 4.45 Latitude -32.436
Depth 4.44 +- 12.98
Arrival times = 11 S.D. = 0.097 Seismographs = 7
Nearest recorder = 54.4 km Gap = 163.4 deg Accuracy = B
Effects Code = Imax = 0 Fault =
24 km E ( 78 deg) of PINW
WESTERN AUSTRALIA
290 km N (349 deg) of ALBANY
143 km E (112 deg) of PERTH
26 km SE (114 deg) of Brookton
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
NWAO P 46.05 0.10 1.33 46.05 -0.00 54.4 182 4.9 4.9
NWAO S 52.22 1.00 0.75 52.24 -0.01 54.4 182 4.9 4.9
COR2 P 47.15 0.10 1.31 47.10 0.05 60.9 50 4.5 4.5
MEKS P 51.00 0.20 1.11 50.86 0.14 84.0 345 3.2 3.2
MEKS S 60.20 1.00 0.73 60.37 -0.17 84.0 345 3.2 3.2
AKUL P 51.46 0.10 1.27 51.50 -0.04 87.9 107 3.1 3.1
KLBR P 54.20 0.10 1.26 54.24 -0.04 104.7 26 2.6 2.6
KLBR S 66.10 1.00 0.71 66.10 0.00 104.7 26 2.6 2.6
KORD P 64.23 0.10 1.20 64.37 -0.14 174.3 7 -30.8 30.8
KORD S 84.75 1.00 0.68 84.74 0.01 174.3 7 -40.3 40.3
WATG P 68.70 0.20 1.03 68.55 0.15 208.9 25 -42.2 42.2
11 times used, S = 0.097
Deferred Data
COR2 S 53.70 1.00 0.75 54.00 -0.30 60.9 50 4.5 4.5
AKUL S 62.40 1.00 0.72 61.46 0.94 87.9 107 3.1 3.1
ONGR P 67.35 0.20 1.04 66.37 0.98 190.6 146 -42.2 42.2
ONGR S 89.10 1.00 0.68 88.20 0.90 190.6 146 -40.3 40.3
WATG S 92.36 1.00 0.67 92.01 0.35 208.9 25 -40.3 40.3
Velocity Ratios
NWAO MEKS KLBR KORD
NWAO 1.69 0.00 0.00 1.79
0.13 0.00 0.00 0.13
MEKS 0.00 1.66 0.00 1.86
0.00 0.10 0.00 0.20
KLBR 0.00 0.00 1.70 0.00
0.00 0.00 0.07 0.00
KORD 1.79 1.86 0.00 1.76
0.13 0.20 0.00 0.04
Date 2021-02-19
Origin Time 1011 52.00 +- 1.15
Zone 50
Easting 579.37 +- 7.69 Longitude 117.837
Northing 6502.99 +- 6.16 Latitude -31.605
Depth -0.55 +- 20.08
Arrival times = 8 S.D. = 0.205 Seismographs = 7
Nearest recorder = 7.9 km Gap = 148.8 deg Accuracy = D
Effects Code = Imax = 0 Fault =
7 km E (101 deg) of KLB
WESTERN AUSTRALIA
192 km E ( 79 deg) of PERTH
11 km E ( 76 deg) of Kellerberrin
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
KLBR P 52.99 0.10 1.52 53.30 -0.31 7.9 281 -1.7 -1.7
KLBR S 54.35 1.00 0.86 54.20 0.15 7.9 281 -1.7 -1.7
QUA P 63.26 0.10 1.30 63.28 -0.02 69.1 230 -0.2 -0.2
MEKS P 64.76 0.10 1.29 64.47 0.29 76.4 261 -0.2 -0.2
KORD P 66.20 0.10 1.28 66.16 0.04 86.8 338 -0.3 -0.3
WATG P 68.70 0.20 1.09 68.76 -0.06 102.7 19 -0.3 -0.3
BCON P 75.13 0.20 1.07 74.98 0.15 140.9 357 -30.8 30.8
ONGR P 89.65 0.20 1.01 89.66 -0.01 255.8 168 -42.2 42.2
8 times used, S = 0.205
Deferred Data
QUA S 71.60 1.00 0.59 71.10 0.50 69.1 230 -0.2 -0.2
KORD S 76.80 1.00 0.72 75.97 0.83 86.8 338 -0.3 -0.3
WATG S 81.30 1.00 0.71 80.38 0.92 102.7 19 -0.3 -0.3
HYDN S-P 11.20 5.00 0.56 15.26 -4.06 134.9 134 0.0 0.0
BCON S 91.70 1.00 0.69 90.91 0.79 140.9 357 -0.1 -0.1
NWAO P 76.70 0.20 1.05 77.25 -0.55 157.1 200 -30.8 30.8
Velocity Ratios
KLBR
KLBR 2.38
1.39
Date 2021-02-19
Origin Time 2147 21.54 +- 112.31
Zone 50
Easting 749.30 +- 539.40 Longitude 119.644
Northing 6438.30 +- 946.58 Latitude -32.164
Depth 2.00 +-1676.38 N
Arrival times = 5 S.D. = 0.867 Seismographs = 3
Nearest recorder = 79.8 km Gap = 301.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
79 km NE ( 66 deg) of HYDN
WESTERN AUSTRALIA
359 km E ( 95 deg) of PERTH
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
HYDN P 34.51 0.10 1.28 34.56 -0.05 79.8 246 1.5 1.5
HYDN S 44.40 1.00 0.73 43.58 0.82 79.8 246 1.5 1.5
QUA PG 57.90 0.20 0.95 58.19 -0.29 224.6 274 0.6 0.6
QUA SG 85.90 1.00 0.53 83.60 2.30 224.6 274 0.6 0.6
KOO6 P 57.90 0.20 1.01 58.62 -0.72 253.3 305 -42.2 42.2
5 times used, S = 0.867
Deferred Data
KOO6 S 83.90 1.00 0.65 86.24 -2.34 253.3 305 -40.3 40.3
Velocity Ratios
HYDN
HYDN 1.76
0.09
Date 2021-02-25
Origin Time 0241 36.94 +- 0.87
Zone 50
Easting 517.67 +- 11.14 Longitude 117.187
Northing 6445.69 +- 6.93 Latitude -32.125
Depth 6.32 +- 36.14
Arrival times = 8 S.D. = 0.202 Seismographs = 5
Nearest recorder = 15.9 km Gap = 166.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
15 km SW (209 deg) of QUA
WESTERN AUSTRALIA
128 km E ( 99 deg) of PERTH
24 km E ( 91 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 2.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
QUA S-P 2.05 0.50 1.05 1.95 0.10 15.9 29 0.0 0.0
QUA i P 39.67 0.05 1.67 39.75 -0.08 15.9 29 22.6 22.6
QUA i S 41.72 0.30 1.05 41.70 0.02 15.9 29 22.6 22.6
MEKS P 45.24 0.10 1.34 45.00 0.24 49.0 343 7.6 7.6
MEKS S 50.44 1.00 0.76 50.58 -0.14 49.0 343 7.6 7.6
COR2 P 46.04 0.10 1.33 45.77 0.27 53.7 85 7.0 7.0
KLBR P 49.72 0.10 1.28 50.01 -0.29 79.8 42 4.8 4.8
NWAO P 51.41 0.10 1.27 51.49 -0.08 89.0 177 4.2 4.2
8 times used, S = 0.202
Deferred Data
COR2 S 53.40 1.00 0.75 51.90 1.50 53.7 85 7.0 7.0
KLBR S 59.80 1.00 0.73 59.07 0.73 79.8 42 4.8 4.8
NWAO e S 61.84 1.00 0.51 61.58 0.26 89.0 177 4.2 4.2
KORD P 60.00 0.10 1.22 59.42 0.58 141.5 12 -30.8 30.8
KORD S 76.20 1.00 0.69 76.07 0.13 141.5 12 2.6 2.6
BLDU P 64.50 0.20 1.05 63.93 0.57 173.7 344 -42.2 42.2
BLDU S 84.00 1.00 0.68 84.12 -0.12 173.7 344 -40.3 40.3
Velocity Ratios
QUA MEKS
QUA 1.75 0.00
0.14 0.00
MEKS 0.00 1.63
0.00 0.14