Data Report
Bulletin / 2021-03
Contributed by CUPWA
Date 2021-03-06
Origin Time 0057 3.37 +- 1.77
Zone 50
Easting 547.31 +- 12.47 Longitude 117.497
Northing 6547.96 +- 5.17 Latitude -31.201
Depth 2.53 +- 202.64
Arrival times = 8 S.D. = 0.099 Seismographs = 6
Nearest recorder = 36.0 km Gap = 135.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
7 km NW (301 deg) of WYAL
WESTERN AUSTRALIA
177 km NE ( 62 deg) of PERTH
41 km S (178 deg) of Koorda
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KORD i P 9.15 0.05 1.57 9.25 -0.11 36.0 0 4.2 4.2
KORD S 13.45 0.50 0.89 13.33 0.12 36.0 0 4.2 4.2
KLBR P 11.42 0.10 1.34 11.49 -0.07 49.7 150 3.3 3.3
KLBR S 17.20 1.00 0.76 17.13 0.07 49.7 150 3.3 3.3
CADX S 19.80 1.00 0.75 19.69 0.11 59.0 324 2.7 2.7
QUA P 18.30 0.05 1.46 18.24 0.06 91.1 193 1.8 1.8
BCON P 19.68 0.10 1.26 19.57 0.11 99.3 14 1.6 1.6
BLDU P 19.57 0.10 1.26 19.63 -0.06 99.7 310 1.6 1.6
8 times used, S = 0.099
Deferred Data
CADX w P 13.60 1.00 0.59 13.01 0.59 59.0 324 2.7 2.7
QUA S 29.00 1.00 0.72 28.55 0.45 91.1 193 1.8 1.8
BLDU S 31.03 1.00 0.72 30.91 0.12 99.7 310 1.6 1.6
COR2 P 20.10 0.10 1.26 19.86 0.24 101.0 166 1.6 1.6
COR2 S 32.10 1.00 0.72 31.29 0.81 101.0 166 1.6 1.6
MORW P 42.22 0.20 1.00 43.01 -0.79 274.9 329 -42.2 42.2
MORW S 72.40 1.00 0.65 72.53 -0.13 274.9 329 -40.3 40.3
Velocity Ratios
KORD KLBR
KORD 1.75 0.00
0.10 0.00
KLBR 0.00 1.72
0.00 0.15
Date 2021-03-06
Origin Time 0351 34.42 +- 0.60
Zone 50
Easting 557.45 +- 4.16 Longitude 117.599
Northing 6611.76 +- 5.55 Latitude -30.625
Depth 3.27 +- 21.33
Arrival times = 11 S.D. = 0.168 Seismographs = 7
Nearest recorder = 29.4 km Gap = 75.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
0 km NW (319 deg) of KOO4
WESTERN AUSTRALIA
222 km NE ( 49 deg) of PERTH
25 km NE ( 27 deg) of Koorda
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
KORD P 39.00 0.10 1.39 39.24 -0.24 29.4 198 6.6 6.6
KORD S 42.60 1.00 0.79 42.59 0.01 29.4 198 6.6 6.6
BCON P 40.25 0.10 1.37 40.29 -0.04 35.8 26 5.7 5.7
CADX P 42.10 0.05 1.54 42.13 -0.03 47.2 250 4.3 4.3
CADX S 47.95 0.50 0.87 47.48 0.47 47.2 250 4.3 4.3
WATG P 44.05 0.10 1.32 43.99 0.06 58.6 101 3.3 3.3
WATG S 50.84 1.00 0.75 50.63 0.21 58.6 101 3.3 3.3
BLDU P 48.27 0.20 1.11 48.36 -0.09 85.3 270 2.4 2.4
BLDU S 58.06 1.00 0.73 58.02 0.04 85.3 270 2.4 2.4
KLBR P 52.15 0.10 1.25 52.07 0.09 108.1 172 1.9 1.9
MORW P 68.43 0.30 0.94 68.43 -0.00 229.1 318 -42.2 42.2
11 times used, S = 0.168
Deferred Data
BCON S 44.85 1.00 0.78 44.36 0.49 35.8 26 5.7 5.7
KLBR S 64.90 1.00 0.71 64.30 0.60 108.1 172 1.9 1.9
MECK S-P 15.00 1.00 0.78 14.14 0.86 125.0 206 0.0 0.0
COR2 P 60.75 0.10 1.21 60.11 0.64 162.5 174 -30.8 30.8
COR2 S 79.65 1.00 0.69 79.33 0.32 162.5 174 1.3 1.3
MORW S 93.90 1.00 0.66 93.80 0.10 229.1 318 -40.3 40.3
AKUL P 68.43 0.30 0.94 68.86 -0.43 232.6 167 -42.2 42.2
AKUL S 95.30 1.00 0.66 94.55 0.75 232.6 167 -40.3 40.3
NWAO P 71.67 0.20 1.01 71.85 -0.18 257.4 187 -42.2 42.2
NWAO S 99.65 1.00 0.66 99.75 -0.10 257.4 187 -40.3 40.3
ONGR P 86.25 0.30 0.90 85.08 1.17 366.8 168 -42.2 42.2
ONGR S 123.00 0.66 0.69 122.78 0.22 366.8 168 -40.3 40.3
Velocity Ratios
KORD CADX WATG BLDU
KORD 1.79 0.00 0.00 0.00
0.26 0.00 0.00 0.00
CADX 0.00 1.76 0.00 0.00
0.00 0.08 0.00 0.00
WATG 0.00 0.00 1.71 0.00
0.00 0.00 0.12 0.00
BLDU 0.00 0.00 0.00 1.71
0.00 0.00 0.00 0.10
Date 2021-03-11
Origin Time 0439 7.15 +- 0.51
Zone 50
Easting 546.76 +- 5.82 Longitude 117.491
Northing 6548.45 +- 3.13 Latitude -31.197
Depth 2.00 +- 12.24 N
Arrival times = 15 S.D. = 0.288 Seismographs = 11
Nearest recorder = 35.5 km Gap = 117.9 deg Accuracy = B
Effects Code = Imax = 0 Fault =
7 km NW (302 deg) of WYAL
WESTERN AUSTRALIA
177 km NE ( 62 deg) of PERTH
41 km S (179 deg) of Koorda
Record Dur Sync Unc Resp Seismometer Recorder Pol
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
KORD P 12.86 0.10 1.37 12.95 -0.09 35.5 1 3.4 3.4
KORD S 17.00 1.00 0.78 16.97 0.03 35.5 1 3.4 3.4
KLBR P 15.05 0.10 1.33 15.38 -0.33 50.4 150 2.6 2.6
CADX P 16.82 0.10 1.32 16.67 0.16 58.3 324 2.3 2.3
CADX S 23.52 1.00 0.75 23.27 0.25 58.3 324 2.3 2.3
WATG P 20.73 0.10 1.28 21.02 -0.29 85.0 52 1.4 1.4
QUA P 21.97 0.10 1.27 22.07 -0.10 91.4 193 1.4 1.4
QUA S 32.80 1.00 0.72 32.42 0.38 91.4 193 1.4 1.4
BLDU P 23.08 0.20 1.10 23.29 -0.22 98.9 310 1.4 1.4
BCON P 23.25 0.10 1.26 23.30 -0.05 99.0 15 1.3 1.3
COR2 P 23.72 0.10 1.26 23.73 -0.01 101.6 165 1.3 1.3
COR2 S 35.30 1.00 0.71 35.23 0.07 101.6 165 1.3 1.3
AKUL S 54.90 1.00 0.68 55.34 -0.44 174.8 159 -40.3 40.3
STHX P 35.20 0.10 1.20 34.69 0.51 174.9 91 -30.8 30.8
HYDN P 37.10 0.20 1.04 36.59 0.51 190.3 137 -42.2 42.2
15 times used, S = 0.288
Deferred Data
WATG S 30.04 1.00 0.73 30.63 -0.59 85.0 52 1.4 1.4
BLDU S 34.35 1.00 0.72 34.48 -0.13 98.9 310 1.4 1.4
AKUL P 33.01 0.20 1.04 34.68 -1.67 174.8 159 -30.8 30.8
STHX S 54.80 1.00 0.68 55.35 -0.55 174.9 91 -40.3 40.3
HYDN S 58.90 1.00 0.68 58.55 0.35 190.3 137 -40.3 40.3
MORW P 46.45 0.30 0.92 46.76 -0.31 274.2 329 -42.2 42.2
MORW S 75.80 1.00 0.65 76.26 -0.46 274.2 329 -40.3 40.3
Velocity Ratios
KORD CADX QUA COR2
KORD 1.72 0.00 0.00 0.00
0.21 0.00 0.00 0.00
CADX 0.00 1.69 0.00 0.00
0.00 0.12 0.00 0.00
QUA 0.00 0.00 1.73 0.00
0.00 0.00 0.08 0.00
COR2 0.00 0.00 0.00 1.70
0.00 0.00 0.00 0.07
Date 2021-03-13
Origin Time 2221 30.04 +- 1.86
Zone 50
Easting 520.81 +- 10.81 Longitude 117.220
Northing 6460.96 +- 7.37 Latitude -31.987
Depth -0.30 +- 34.34
Arrival times = 8 S.D. = 0.065 Seismographs = 5
Nearest recorder = 5.1 km Gap = 229.7 deg Accuracy = B
Effects Code = Imax = 0 Fault =
4 km W (272 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 2.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
QUA P 30.83 0.02 2.16 30.87 -0.04 5.1 106 0.0 0.0
QUA i S 31.43 0.20 1.23 31.44 -0.01 5.1 106 0.0 0.0
COR2 P 38.53 0.10 1.33 38.47 0.06 51.7 102 -0.0 -0.0
COR2 S 44.33 1.00 0.76 44.31 0.02 51.7 102 -0.0 -0.0
KLBR P 40.90 0.10 1.30 40.97 -0.07 66.9 49 0.0 0.0
KLBR S 48.73 1.00 0.74 48.54 0.19 66.9 49 0.0 0.0
NWAO P 47.06 0.10 1.26 47.03 0.03 104.1 179 -0.0 -0.0
AKUL P 48.99 0.10 1.24 48.95 0.04 115.9 131 0.0 0.0
8 times used, S = 0.065
Deferred Data
QUA S-P 0.60 0.10 1.56 0.57 0.03 5.1 106 0.0 0.0
MECK S-P 4.00 1.00 0.85 5.01 -1.01 44.3 332 0.0 0.0
NWAO S 59.55 1.00 0.71 58.82 0.73 104.1 179 -0.0 -0.0
AKUL S 62.70 1.00 0.71 62.05 0.65 115.9 131 0.0 0.0
KORD P 50.46 0.20 1.08 50.59 -0.13 125.9 12 -0.1 -0.1
KORD S 64.64 1.00 0.70 64.83 -0.19 125.9 12 -0.1 -0.1
CADX P 52.83 0.10 1.23 52.11 0.72 135.2 356 -0.0 -0.0
CADX S 67.00 1.00 0.70 67.40 -0.40 135.2 356 -0.0 -0.0
BLDU P 55.50 0.20 1.05 55.68 -0.18 160.0 342 -30.8 30.8
BLDU S 74.10 1.00 0.69 74.24 -0.14 160.0 342 0.0 0.0
DBYG P 57.07 0.30 0.97 56.56 0.51 166.3 163 -30.8 30.8
DBYG S 76.20 1.00 0.68 75.98 0.22 166.3 163 -0.0 -0.0
WATG P 56.81 0.20 1.05 56.69 0.12 167.3 33 -30.8 30.8
WATG S 76.40 1.00 0.68 76.27 0.13 167.3 33 -0.1 -0.1
Velocity Ratios
QUA COR2 KLBR
QUA 1.77 1.67 1.72
0.31 0.18 0.14
COR2 1.67 1.68 0.00
0.18 0.14 0.00
KLBR 1.72 0.00 1.72
0.14 0.00 0.11
Date 2021-03-13
Origin Time 2229 52.56 +- 0.95
Zone 50
Easting 520.31 +- 7.59 Longitude 117.215
Northing 6460.80 +- 5.59 Latitude -31.989
Depth 0.89 +- 18.81
Arrival times = 12 S.D. = 0.105 Seismographs = 9
Nearest recorder = 5.5 km Gap = 154.6 deg Accuracy = A
Effects Code = Imax = 0 Fault =
5 km W (270 deg) of QUW
WESTERN AUSTRALIA
129 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 2.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
QUA i P 53.43 0.03 1.98 53.48 -0.05 5.5 103 12.2 12.2
QUA i S 54.07 0.30 1.12 54.12 -0.05 5.5 103 12.2 12.2
MECK S-P 5.15 2.00 0.74 5.00 0.15 44.2 333 0.0 0.0
COR2 P 61.01 0.10 1.33 61.06 -0.05 52.1 102 1.3 1.3
COR2 S 67.00 0.50 0.87 66.96 0.04 52.1 102 1.3 1.3
KLBR P 63.59 0.10 1.30 63.56 0.03 67.4 49 1.0 1.0
KLBR S 71.55 1.00 0.74 71.19 0.36 67.4 49 1.0 1.0
NWAO P 69.65 0.10 1.26 69.53 0.12 104.0 179 0.6 0.6
AKUL P 71.59 0.10 1.24 71.51 0.08 116.1 130 0.6 0.6
KORD P 73.06 0.10 1.24 73.15 -0.09 126.2 12 0.4 0.4
CADX S 89.90 1.00 0.70 89.96 -0.06 135.4 356 0.5 0.5
DBYG P 78.91 0.10 1.21 78.98 -0.07 166.3 163 -30.8 30.8
12 times used, S = 0.105
Deferred Data
PINW S-P 9.90 10.00 0.52 6.57 3.33 58.1 200 0.0 0.0
NWAO S 82.40 1.00 0.71 81.29 1.11 104.0 179 0.6 0.6
AKUL S 85.40 1.00 0.71 84.64 0.76 116.1 130 0.6 0.6
KORD S 87.00 1.00 0.70 87.42 -0.42 126.2 12 0.4 0.4
CADX P 75.16 0.20 1.07 74.65 0.51 135.4 356 0.5 0.5
DBYG S 99.10 1.00 0.68 98.50 0.60 166.3 163 0.4 0.4
Velocity Ratios
QUA COR2 KLBR
QUA 1.73 1.71 1.72
0.42 0.14 0.15
COR2 1.71 1.71 0.00
0.14 0.08 0.00
KLBR 1.72 0.00 1.72
0.15 0.00 0.11
0.08 0.18 0.00 0.06
Date 2021-03-18
Origin Time 0049 21.24 +- 0.77
Zone 50
Easting 498.35 +- 12.45 Longitude 116.983
Northing 6500.37 +- 5.68 Latitude -31.632
Depth 12.14 +- 5.11
Arrival times = 10 S.D. = 0.046 Seismographs = 8
Nearest recorder = 2.3 km Gap = 176.2 deg Accuracy = B
Effects Code = Imax = 0 Fault =
2 km W (269 deg) of MECK
WESTERN AUSTRALIA
113 km E ( 72 deg) of PERTH
3 km W (266 deg) of Meckering
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
MECK S-P 1.30 1.00 1.03 1.42 -0.12 2.3 89 0.0 0.0
MEKS P 23.78 0.04 1.81 23.77 0.01 9.4 145 52.8 52.8
MEKS S 25.57 0.30 1.09 25.53 0.04 9.4 145 52.8 52.8
QUA P 29.52 0.05 1.53 29.52 0.00 49.2 146 14.2 14.2
QUA S 35.19 0.50 0.87 35.25 -0.06 49.2 146 14.2 14.2
KLBR P 33.40 0.10 1.29 33.38 0.02 73.4 86 9.6 9.6
KORD P 37.00 0.20 1.10 37.03 -0.03 97.2 30 -30.8 30.8
BLDU P 39.67 0.20 1.08 39.68 -0.01 116.0 346 -30.8 30.8
NWAO P 43.75 0.20 1.06 43.80 -0.05 145.5 170 -30.8 30.8
DBYG P 52.10 0.30 0.95 52.06 0.04 210.7 160 -42.2 42.2
10 times used, S = 0.046
Deferred Data
KLBR S 41.90 1.00 0.73 41.80 0.10 73.4 86 9.6 9.6
CADX P 35.00 0.10 1.26 36.98 -1.98 96.7 8 -30.8 30.8
KORD S 47.90 1.00 0.72 48.31 -0.41 97.2 30 7.2 7.2
BLDU S 53.00 1.00 0.71 53.47 -0.47 116.0 346 -23.9 23.9
NWAO S 61.20 1.00 0.69 60.90 0.30 145.5 170 -23.9 23.9
WATG P 45.40 0.20 1.06 44.82 0.58 152.8 49 -30.8 30.8
WATG S 63.20 1.00 0.69 62.74 0.46 152.8 49 -23.9 23.9
DBYG SG 78.40 1.00 0.67 79.55 -1.15 210.7 160 3.4 3.4
Velocity Ratios
MEKS QUA
MEKS 1.70 1.68
0.15 0.17
QUA 1.68 1.68
0.17 0.07
Date 2021-03-19
Origin Time 1113 44.29 +- 0.62
Zone 50
Easting 519.67 +- 5.77 Longitude 117.208
Northing 6462.52 +- 4.07 Latitude -31.973
Depth 3.02 +- 13.06
Arrival times = 10 S.D. = 0.081 Seismographs = 7
Nearest recorder = 6.7 km Gap = 163.7 deg Accuracy = C
Effects Code = Imax = 0 Fault =
6 km W (286 deg) of QUW
WESTERN AUSTRALIA
128 km E ( 91 deg) of PERTH
31 km NE ( 58 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
QUA P 45.80 0.05 1.77 45.73 0.07 6.7 116 13.4 38.7
QUA S 46.45 0.30 1.11 46.62 -0.17 6.7 116 17.2 31.9
COR2 P 53.45 0.10 1.33 53.45 0.00 53.1 103 1.0 36.7
KLBR P 55.75 0.10 1.30 55.74 0.01 66.8 50 0.8 36.7
KLBR S 63.70 1.00 0.74 63.65 0.05 66.8 50 0.8 27.7
NWAO P 62.02 0.10 1.25 62.06 -0.04 105.7 178 -13.5 38.8
AKUL P 64.12 0.10 1.24 64.02 0.10 117.7 131 -13.5 38.8
AKUL S 77.95 1.00 0.71 78.04 -0.09 117.7 131 -10.2 29.4
KORD P 65.05 0.20 1.08 65.11 -0.06 124.7 13 -13.5 38.8
BLDU P 70.55 0.20 1.05 70.57 -0.02 158.2 342 -13.5 38.8
10 times used, S = 0.081
Deferred Data
MEKS P 49.15 0.10 1.37 50.27 -1.12 34.1 331 1.6 36.7
MEKS S 54.80 1.00 0.78 54.34 0.46 34.1 331 1.7 27.7
COR2 S 59.40 1.00 0.75 59.76 -0.36 53.1 103 1.0 27.7
NWAO S 74.90 1.00 0.71 74.67 0.23 105.7 178 -10.2 29.4
KORD S 79.64 1.00 0.70 79.94 -0.30 124.7 13 -10.2 29.4
BLDU S 91.20 1.00 0.69 89.35 1.85 158.2 342 -10.2 29.4
WATG P 71.00 0.20 1.05 71.92 -0.92 166.7 34 -13.5 38.8
WATG S 91.20 1.00 0.68 91.70 -0.50 166.7 34 -10.2 29.4
BCON P 74.92 0.30 0.96 75.22 -0.30 189.0 16 -39.9 52.0
Velocity Ratios
QUA KLBR AKUL
QUA 1.43 1.73 1.72
0.25 0.16 0.09
KLBR 1.73 1.69 0.00
0.16 0.10 0.00
AKUL 1.72 0.00 1.70
0.09 0.00 0.06
Date 2021-03-26
Origin Time 0628 38.20 +- 0.76
Zone 50
Easting 537.06 +- 6.52 Longitude 117.391
Northing 6485.42 +- 5.48 Latitude -31.766
Depth 4.33 +- 25.74
Arrival times = 9 S.D. = 0.106 Seismographs = 6
Nearest recorder = 28.3 km Gap = 84.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
27 km NE ( 24 deg) of QUW
WESTERN AUSTRALIA
147 km E ( 82 deg) of PERTH
20 km SE (130 deg) of Cunderdin
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
QUA P 42.85 0.05 1.60 42.88 -0.03 28.3 203 9.3 9.3
MEKS P 43.87 0.10 1.37 43.82 0.05 34.2 281 7.6 7.6
KLBR P 44.60 0.10 1.36 44.68 -0.08 39.5 60 6.7 6.7
KLBR S 49.25 1.00 0.77 49.18 0.07 39.5 60 6.7 6.7
COR2 P 46.27 0.10 1.34 46.28 -0.01 49.4 136 5.4 5.4
KORD P 54.28 0.10 1.26 54.38 -0.10 99.1 6 2.6 2.6
KORD S 65.90 1.00 0.72 65.60 0.30 99.1 6 2.6 2.6
AKUL P 58.30 0.20 1.08 58.30 -0.00 123.2 144 -30.8 30.8
AKUL S 72.52 1.00 0.70 72.26 0.26 123.2 144 2.2 2.2
9 times used, S = 0.106
Deferred Data
QUA S 44.86 0.50 0.91 46.13 -1.27 28.3 203 9.3 9.3
MEKS S 46.90 0.50 0.90 47.73 -0.83 34.2 281 7.6 7.6
MECK S-P 4.80 2.00 0.75 4.48 0.32 39.3 292 0.0 0.0
COR2 S 53.40 1.00 0.76 51.89 1.51 49.4 136 5.4 5.4
NWAO P 58.84 0.20 1.07 59.17 -0.33 129.5 186 -30.8 30.8
NWAO S 74.10 1.00 0.70 74.00 0.10 129.5 186 2.0 2.0
AMAZ P 58.86 0.20 1.07 59.33 -0.47 130.7 257 -30.8 30.8
AMAZ S 73.94 1.00 0.70 74.33 -0.39 130.7 257 2.0 2.0
WATG P 60.66 0.20 1.07 60.34 0.32 138.0 33 -30.8 30.8
Velocity Ratios
KLBR KORD AKUL
KLBR 1.72 0.00 1.70
0.19 0.00 0.19
KORD 0.00 1.72 0.00
0.00 0.07 0.00
AKUL 1.70 0.00 1.71
0.19 0.00 0.07
Date 2021-03-26
Origin Time 1100 12.34 +- 0.70
Zone 50
Easting 576.72 +- 7.26 Longitude 117.827
Northing 6282.11 +- 4.25 Latitude -33.598
Depth 6.76 +- 12.66
Arrival times = 10 S.D. = 0.042 Seismographs = 6
Nearest recorder = 21.2 km Gap = 124.0 deg Accuracy = B
Effects Code = Imax = 0 Fault =
21 km SE (155 deg) of DBYG
WESTERN AUSTRALIA
260 km SE (135 deg) of PERTH
156 km N (359 deg) of ALBANY
27 km E ( 71 deg) of Katanning
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
DBYG P 16.35 0.10 1.42 16.36 -0.01 21.2 335 5.0 38.5
DBYG S 18.90 0.50 0.93 18.92 -0.02 21.2 335 11.1 31.2
TMBL P 21.35 0.10 1.33 21.31 0.04 52.4 199 0.1 38.8
TMBL S 27.55 1.00 0.75 27.59 -0.04 52.4 199 0.1 29.4
ONGR P 22.61 0.10 1.31 22.63 -0.02 60.4 119 0.1 38.8
ONGR S 29.80 1.00 0.75 29.85 -0.05 60.4 119 0.1 29.4
NWAO P 27.83 0.10 1.27 27.87 -0.04 92.7 323 0.0 38.8
AKUL P 30.30 0.10 1.25 30.24 0.06 107.3 16 0.0 38.8
AKUL S 42.95 1.00 0.71 42.98 -0.03 107.3 16 0.0 29.4
COR2 P 40.10 0.20 1.05 40.05 0.05 167.8 357 0.0 38.8
10 times used, S = 0.042
Deferred Data
NWAO S 38.40 1.00 0.72 38.90 -0.50 92.7 323 0.0 29.4
COR2 S 59.30 1.00 0.68 59.91 -0.61 167.8 357 0.0 29.4
KLBR P 46.11 0.20 1.02 47.17 -1.06 222.5 358 -37.9 52.0
KORD P 56.63 0.20 0.99 57.45 -0.82 303.2 354 -37.9 52.0
WATG P 59.20 0.20 0.99 59.56 -0.36 319.6 6 -37.9 52.0
BLDU P 61.70 0.50 0.82 63.15 -1.45 347.4 342 -37.9 52.0
Velocity Ratios
DBYG TMBL ONGR AKUL
DBYG 1.64 0.00 0.00 1.72
0.17 0.00 0.00 0.13
TMBL 0.00 1.69 0.00 0.00
0.00 0.13 0.00 0.00
ONGR 0.00 0.00 1.70 0.00
0.00 0.00 0.12 0.00
AKUL 1.72 0.00 0.00 1.70
0.13 0.00 0.00 0.07