Data Report
Bulletin / 2017-04
Contributed by CUPWA
Date 2017-04-02
Origin Time 0210 19.22 +- 1.21
Zone 50
Easting 586.66 +- 7.98 Longitude 117.913
Northing 6510.12 +- 4.14 Latitude -31.541
Depth 3.14 +- 12.77
Arrival times = 10 S.D. = 0.155 Seismographs = 7
Nearest recorder = 16.1 km Gap = 197.3 deg Accuracy = A
Effects Code = Imax = 0 Fault =
15 km E ( 68 deg) of KLB
WESTERN AUSTRALIA
201 km E ( 77 deg) of PERTH
21 km NE ( 62 deg) of Kellerberrin
Record Dur Sync Unc Resp Seismometer Recorder Pol
KOO6 0.00 Seismograph details unknown
BLDU 0.00 Seismograph details unknown
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
KLBR P 21.71 0.10 1.45 21.90 -0.18 16.1 249 12.2 12.2
KLBR S 23.79 0.10 1.31 23.75 0.04 16.1 249 12.2 12.2
MECK P 33.68 0.20 1.11 33.34 0.34 86.5 263 2.2 2.2
KOO6 P 33.80 0.20 1.11 33.77 0.03 89.2 332 2.2 2.2
KULI P 40.10 0.10 1.23 39.99 0.11 127.3 169 -30.8 30.8
KULI S 54.30 1.00 0.70 54.40 -0.10 127.3 169 1.6 1.6
PING P 41.35 0.20 1.07 41.47 -0.12 137.9 218 -30.8 30.8
BLDU P 43.72 0.10 1.21 43.76 -0.04 154.2 311 -30.8 30.8
BLDU S 61.70 1.00 0.69 61.83 -0.13 154.2 311 1.3 1.3
NWAO P 45.48 0.10 1.21 45.47 0.01 166.5 202 -30.8 30.8
10 times used, S = 0.155
Deferred Data
MECK S 44.10 1.00 0.72 43.13 0.97 86.5 263 2.2 2.2
KOO6 S 43.85 1.00 0.72 43.87 -0.02 89.2 332 2.2 2.2
BR4 P 36.10 0.20 1.09 36.60 -0.50 106.5 21 1.9 1.9
BR4 S 48.60 1.00 0.71 48.65 -0.05 106.5 21 1.9 1.9
PING S 58.10 1.00 0.70 57.32 0.78 137.9 218 1.4 1.4
NWAO S 65.05 1.00 0.68 65.19 -0.14 166.5 202 -23.9 23.9
MUN P 45.71 0.10 1.20 45.76 -0.05 168.6 252 -30.8 30.8
MUN S 65.50 1.00 0.68 65.72 -0.22 168.6 252 -23.9 23.9
Velocity Ratios
KLBR KULI BLDU
KLBR 1.83 1.66 1.72
0.12 0.08 0.07
KULI 1.66 1.68 0.00
0.08 0.06 0.00
BLDU 1.72 0.00 1.73
0.07 0.00 0.05
66 1.68 0.00 0.00 0.00 0.00 0.00 0.00
0.14 0.09 0.00 0.00 0.00 0.00 0.00 0.00
BR4 1.72 0.00 1.74 0.00 0.00 0.00 0.00 0.00
0.11 0.00 0.08 0.00 0.00 0.00 0.00 0.00
KULI 1.66 0.00 0.00 1.68 0.00 0.00 0.00 0.00
0.08 0.00 0.00 0.06 0.00 0.00 0.00 0.00
PING 1.75 0.00 0.00 0.00 1.75 0.00 0.00 0.00
0.08 0.00 0.00 0.00 0.06 0.00 0.00 0.00
BLDU 1.72 0.00 0.00 0.00 0.00 1.73 0.00 0.00
0.07 0.00 0.00 0.00 0.00 0.05 0.00 0.00
NWAO 1.74 0.00 0.00 0.00 0.00 0.00 1.74 0.00
0.06 0.00 0.00 0.00 0.00 0.00 0.04 0.00
MUN 1.74 0.00 0.00 0.00 0.00 0.00 0.00 1.74
0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.04
Date 2017-04-18
Origin Time 0826 15.24 +- 0.45
Zone 50
Easting 508.79 +- 2.80 Longitude 117.093
Northing 6502.13 +- 4.08 Latitude -31.616
Depth 5.89 +- 7.29
Arrival times = 10 S.D. = 0.170 Seismographs = 7
Nearest recorder = 8.3 km Gap = 84.3 deg Accuracy = A
Effects Code = Imax = 0 Fault =
8 km E ( 77 deg) of MECK
WESTERN AUSTRALIA
123 km E ( 73 deg) of PERTH
8 km E ( 79 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
KOO6 0.00 Seismograph details unknown
MECK 0.00 Seismograph details unknown
BLDU 0.00 Seismograph details unknown
QUAI 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MECK P 16.92 0.03 1.93 16.92 0.00 8.3 257 36.5 36.5
MECK S 18.10 0.10 1.37 18.08 0.02 8.3 257 36.5 36.5
QUAI P 24.10 0.05 1.53 23.85 0.25 52.4 147 6.7 6.7
KLBR P 25.27 0.10 1.31 25.54 -0.27 62.8 87 5.6 5.6
KLBR S 32.77 1.00 0.74 32.69 0.08 62.8 87 5.6 5.6
MUN P 30.24 0.20 1.10 30.42 -0.18 92.9 244 3.8 3.8
KOO6 P 30.70 0.05 1.45 30.78 -0.08 95.0 22 3.7 3.7
KOO6 S 41.70 0.50 0.83 41.55 0.15 95.0 22 3.7 3.7
BLDU P 34.54 0.10 1.24 34.36 0.18 117.1 341 -30.8 30.8
NWAO P 38.25 0.10 1.22 38.38 -0.13 145.9 174 -30.8 30.8
10 times used, S = 0.170
Deferred Data
QUAI S 30.70 0.50 0.87 29.82 0.88 52.4 147 6.7 6.7
NWAO S 55.84 1.00 0.69 55.58 0.26 145.9 174 2.4 2.4
KULI P 40.30 0.05 1.39 39.51 0.79 153.9 139 -30.8 30.8
KULI S 58.35 0.50 0.79 57.74 0.61 153.9 139 -23.9 23.9
BR4 P 40.85 0.05 1.39 40.26 0.59 159.2 47 -30.8 30.8
BR4 S 59.30 0.50 0.79 59.08 0.22 159.2 47 -23.9 23.9
MORW P 57.78 0.20 0.99 57.53 0.25 299.9 340 -42.2 42.2
MORW S 90.10 1.00 0.65 89.06 1.04 299.9 340 -40.3 40.3
RKGY P 63.80 0.30 0.91 61.41 2.39 332.0 181 -42.2 42.2
KMBL P 76.09 0.30 0.88 76.52 -0.43 456.9 87 -42.2 42.2
MEEK P 90.65 0.30 0.86 90.34 0.31 571.1 15 -42.2 42.2
MEEK S 145.10 1.00 0.61 146.18 -1.08 571.1 15 -40.3 40.3
Velocity Ratios
MECK KLBR KOO6
MECK 1.70 1.76 1.71
0.09 0.16 0.05
KLBR 1.76 1.75 0.00
0.16 0.12 0.00
KOO6 1.71 0.00 1.71
0.05 0.00 0.04
Date 2017-04-18
Origin Time 1258 10.40 +- 0.48
Zone 50
Easting 509.07 +- 2.93 Longitude 117.096
Northing 6502.66 +- 4.21 Latitude -31.611
Depth 3.95 +- 9.38
Arrival times = 10 S.D. = 0.066 Seismographs = 8
Nearest recorder = 8.7 km Gap = 86.8 deg Accuracy = A
Effects Code = Imax = 0 Fault =
8 km E ( 74 deg) of MECK
WESTERN AUSTRALIA
124 km E ( 73 deg) of PERTH
8 km E ( 75 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
KOO6 0.00 Seismograph details unknown
MECK 0.00 Seismograph details unknown
PING 0.00 Seismograph details unknown
BLDU 0.00 Seismograph details unknown
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
MECK P 11.95 0.03 1.93 11.97 -0.02 8.7 254 25.7 25.7
MECK S 13.14 0.20 1.19 13.06 0.08 8.7 254 25.7 25.7
KLBR P 20.55 0.10 1.31 20.62 -0.07 62.5 88 3.9 3.9
KLBR S 27.80 1.00 0.74 27.72 0.08 62.5 88 3.9 3.9
MUN S 35.97 1.00 0.72 36.21 -0.24 93.3 243 2.6 2.6
KOO6 P 25.81 0.05 1.45 25.81 -0.00 94.4 22 2.6 2.6
PING P 26.71 0.05 1.45 26.68 0.03 99.7 185 2.4 2.4
BLDU P 29.46 0.10 1.24 29.45 0.01 116.7 341 2.1 2.1
NWAO P 33.80 0.10 1.22 33.77 0.03 146.4 174 -30.8 30.8
MORW P 52.89 0.20 0.99 52.85 0.04 299.5 339 -42.2 42.2
10 times used, S = 0.066
Deferred Data
MUN P 25.27 0.10 1.27 25.64 -0.37 93.3 243 2.6 2.6
KOO6 S 36.60 0.30 0.91 36.51 0.09 94.4 22 2.6 2.6
PING S 38.40 0.30 0.91 37.97 0.43 99.7 185 2.4 2.4
BLDU S 42.10 1.00 0.71 42.66 -0.56 116.7 341 2.1 2.1
Velocity Ratios
MECK KLBR
MECK 1.77 1.70
0.17 0.17
KLBR 1.70 1.71
0.17 0.12
Date 2017-04-18
Origin Time 1816 20.63 +- 1.09
Zone 50
Easting 519.69 +- 2.98 Longitude 117.209
Northing 6445.48 +- 4.41 Latitude -32.127
Depth 3.61 +- 77.24
Arrival times = 8 S.D. = 0.118 Seismographs = 6
Nearest recorder = 21.7 km Gap = 121.4 deg Accuracy = B
Effects Code = Imax = 0 Fault =
21 km SW (234 deg) of QUAI
WESTERN AUSTRALIA
130 km E ( 99 deg) of PERTH
26 km E ( 92 deg) of Beverley
Record Dur Sync Unc Resp Seismometer Recorder Pol
KOO6 0.00 Seismograph details unknown
PING 0.00 Seismograph details unknown
BLDU 0.00 Seismograph details unknown
QUAI 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
QUAI P 24.24 0.03 1.81 24.23 0.01 21.7 54 10.2 10.2
PING P 28.30 0.05 1.54 28.29 0.01 46.7 205 4.8 4.8
KLBR P 33.70 0.10 1.29 33.48 0.22 78.7 41 2.9 2.9
KLBR S 42.20 0.10 1.16 42.39 -0.19 78.7 41 2.9 2.9
NWAO P 35.08 0.10 1.27 35.12 -0.04 88.7 178 2.5 2.5
MUN P 36.17 0.10 1.26 36.29 -0.12 95.9 279 2.3 2.3
MUN S 47.20 0.10 1.14 47.14 0.06 95.9 279 2.3 2.3
KULI S 50.30 1.00 0.71 50.33 -0.03 107.4 124 2.1 2.1
8 times used, S = 0.118
Deferred Data
QUAI S 26.30 0.30 1.03 26.72 -0.42 21.7 54 10.2 10.2
PING S 34.04 0.50 0.88 33.59 0.45 46.7 205 4.8 4.8
KOO6 P 44.79 0.05 1.40 44.05 0.74 146.4 10 -30.8 30.8
KOO6 S 61.70 1.00 0.69 61.10 0.60 146.4 10 1.5 1.5
BLDU P 49.10 0.20 1.04 47.98 1.12 174.5 344 -30.8 30.8
BLDU S 68.00 1.00 0.68 68.46 -0.46 174.5 344 -40.3 40.3
Velocity Ratios
KLBR MUN
KLBR 1.65 0.00
0.02 0.00
MUN 0.00 1.71
0.00 0.02
Date 2017-04-18
Origin Time 2224 56.02 +- 0.41
Zone 50
Easting 508.75 +- 2.65 Longitude 117.092
Northing 6501.52 +- 4.26 Latitude -31.621
Depth 6.19 +- 6.76
Arrival times = 10 S.D. = 0.057 Seismographs = 7
Nearest recorder = 8.1 km Gap = 87.7 deg Accuracy = A
Effects Code = Imax = 0 Fault =
8 km E ( 81 deg) of MECK
WESTERN AUSTRALIA
123 km E ( 73 deg) of PERTH
8 km E ( 83 deg) of Meckering
Record Dur Sync Unc Resp Seismometer Recorder Pol
KOO6 0.00 Seismograph details unknown
MECK 0.00 Seismograph details unknown
PING 0.00 Seismograph details unknown
BLDU 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.8
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MECK i P 57.72 0.02 2.10 57.71 0.01 8.1 261 38.3 38.3
MECK S 58.93 0.20 1.19 58.88 0.05 8.1 261 38.3 38.3
KLBR P 66.36 0.10 1.31 66.34 0.01 62.9 87 5.9 5.9
KLBR S 73.57 0.50 0.85 73.50 0.07 62.9 87 5.9 5.9
MUN P 71.07 0.20 1.10 71.16 -0.09 92.6 244 4.0 4.0
MUN S 81.69 1.00 0.72 81.66 0.03 92.6 244 4.0 4.0
KOO6 P 71.58 0.05 1.45 71.65 -0.07 95.6 22 3.9 3.9
PING P 72.10 0.05 1.45 72.14 -0.04 98.6 185 3.8 3.8
BLDU P 75.29 0.20 1.08 75.20 0.09 117.7 341 -30.8 30.8
NWAO P 79.10 0.20 1.06 79.06 0.05 145.3 174 -30.8 30.8
10 times used, S = 0.057
Deferred Data
KOO6 S 82.10 0.50 0.83 82.49 -0.39 95.6 22 3.9 3.9
PING S 84.50 1.00 0.72 83.31 1.19 98.6 185 3.8 3.8
BLDU S 88.22 1.00 0.71 88.58 -0.36 117.7 341 3.2 3.2
Velocity Ratios
MECK KLBR MUN
MECK 1.71 1.70 1.70
0.14 0.11 0.12
KLBR 1.70 1.70 0.00
0.11 0.07 0.00
MUN 1.70 0.00 1.71
0.12 0.00 0.09