Data Report
Bulletin / 2019-03
Contributed by CUPWA
Date 2019-03-01
Origin Time 1246 12.35 +- 4.16
Zone 50
Easting 600.72 +- 28.65 Longitude 118.089
Northing 6250.64 +- 13.92 Latitude -33.880
Depth 4.47 +- 59.05
Arrival times = 7 S.D. = 0.180 Seismographs = 5
Nearest recorder = 125.3 km Gap = 185.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
8 km W (251 deg) of GNOC
WESTERN AUSTRALIA
299 km SE (136 deg) of PERTH
126 km N ( 9 deg) of ALBANY
10 km NE ( 56 deg) of Gnowangerup
Record Dur Sync Unc Resp Seismometer Recorder Pol
AALB 0.00 Seismograph details unknown
PING 0.00 Seismograph details unknown
AKUL 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AALB S 48.00 1.00 0.70 48.10 -0.10 125.3 187 -10.2 29.4
NWAO P 34.53 0.10 1.23 34.37 0.16 132.3 322 -13.5 38.8
AKUL P 34.88 0.10 1.23 34.70 0.18 134.3 2 -13.5 38.8
AKUL S 50.30 1.00 0.70 50.65 -0.35 134.3 2 -10.2 29.4
PING PG 43.10 0.10 1.20 43.23 -0.13 183.3 325 0.7 36.7
PING SG 64.80 1.00 0.68 64.85 -0.05 183.3 325 0.7 27.7
KLBR P 51.56 0.20 1.01 51.65 -0.08 255.6 352 -39.9 52.0
7 times used, S = 0.180
Deferred Data
NWAO S 50.75 1.00 0.70 50.08 0.67 132.3 322 -10.2 29.4
PING P 43.10 0.10 1.19 42.40 0.70 183.3 325 -39.9 52.0
MUN P 53.65 0.30 0.92 54.06 -0.41 274.5 319 -39.9 52.0
MUN S 85.44 1.00 0.65 84.79 0.65 274.5 319 -37.9 45.7
Velocity Ratios
AKUL
AKUL 1.68
0.05
Date 2019-03-03
Origin Time 1926 20.40 +- 11.00
Zone 50
Easting 599.33 +- 78.19 Longitude 118.073
Northing 6260.18 +- 21.98 Latitude -33.794
Depth 2.00 +- 128.43 N
Arrival times = 6 S.D. = 0.302 Seismographs = 6
Nearest recorder = 15.9 km Gap = 177.2 deg Accuracy = D
Effects Code = Imax = 0 Fault =
11 km NW (306 deg) of GNOC
WESTERN AUSTRALIA
292 km SE (135 deg) of PERTH
135 km N ( 8 deg) of ALBANY
17 km NE ( 24 deg) of Gnowangerup
Record Dur Sync Unc Resp Seismometer Recorder Pol
AALB 0.00 Seismograph details unknown
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
GNOT S-P 2.00 0.10 1.45 1.82 0.18 15.9 180 0.0 0.0
NWAO S 54.76 1.00 0.70 54.63 0.13 123.9 320 1.0 1.0
KULI S 55.08 1.00 0.70 54.87 0.21 124.8 3 1.1 1.1
AALB P 42.06 0.20 1.07 42.27 -0.21 134.6 186 -30.8 30.8
COR2 SG 72.80 1.00 0.68 73.36 -0.56 191.7 351 0.7 0.7
KLBR P 56.91 0.20 1.01 56.59 0.32 246.0 352 -42.2 42.2
6 times used, S = 0.302
Deferred Data
NWAO P 39.02 0.10 1.24 40.61 -1.59 123.9 320 1.0 1.0
KULI P 39.63 0.10 1.24 40.76 -1.13 124.8 3 1.1 1.1
COR2 S 72.80 1.00 0.68 72.14 0.66 191.7 351 -40.3 40.3
KLBR S 84.24 1.00 0.66 83.56 0.68 246.0 352 -40.3 40.3
MUN S 89.00 1.00 0.66 87.83 1.17 266.3 318 -40.3 40.3
NO VELOCITY RATIOS
Date 2019-03-03
Origin Time 2053 14.91 +- 4.96
Zone 50
Easting 601.75 +- 27.79 Longitude 118.100
Northing 6254.15 +- 19.18 Latitude -33.848
Depth 9.34 +- 21.06
Arrival times = 7 S.D. = 0.212 Seismographs = 5
Nearest recorder = 13.2 km Gap = 217.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
6 km W (277 deg) of GNOC
WESTERN AUSTRALIA
298 km SE (136 deg) of PERTH
130 km N ( 9 deg) of ALBANY
13 km NE ( 45 deg) of Gnowangerup
Record Dur Sync Unc Resp Seismometer Recorder Pol
AALB 0.00 Seismograph details unknown
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
GNOT S-P 2.00 0.10 1.47 1.91 0.09 13.2 220 0.0 0.0
NWAO P 36.18 0.20 1.07 36.51 -0.33 130.1 321 1.4 38.8
NWAO S 52.30 1.00 0.70 51.94 0.36 130.1 321 1.5 29.4
KULI P 36.69 0.10 1.23 36.60 0.09 130.6 2 1.4 38.8
KULI S 51.98 1.00 0.70 52.10 -0.12 130.6 2 1.5 29.4
KLBR P 53.51 0.20 1.01 53.29 0.22 252.2 352 -37.9 52.0
MUN P 55.77 0.20 1.00 55.87 -0.09 272.5 319 -37.9 52.0
7 times used, S = 0.212
Deferred Data
AALB P 46.19 0.20 1.07 36.29 9.90 129.0 187 1.4 38.8
PING SG 67.21 0.10 1.08 66.19 1.02 181.0 325 1.0 29.4
COR2 SG 70.10 1.00 0.67 70.95 -0.85 198.0 350 0.9 29.4
KLBR S 81.90 1.00 0.66 81.55 0.35 252.2 352 -36.7 45.7
MUN S 87.15 1.00 0.65 86.07 1.08 272.5 319 -36.7 45.7
BR4 S 102.70 1.00 0.64 104.69 -1.99 355.4 3 -36.7 45.7
BLDU P 68.96 0.30 0.90 69.89 -0.93 381.9 339 -37.9 52.0
BLDU S 109.20 1.00 0.63 110.62 -1.42 381.9 339 -36.7 45.7
MORW P 94.46 0.30 0.86 93.28 1.18 564.8 339 -37.9 52.0
Velocity Ratios
NWAO KULI
NWAO 1.76 0.00
0.06 0.00
KULI 0.00 1.70
0.00 0.05
Date 2019-03-03
Origin Time 2206 9.58 +- 28.31
Zone 50
Easting 604.24 +- 164.38 Longitude 118.127
Northing 6254.31 +- 235.91 Latitude -33.846
Depth 0.80 +- 162.77
Arrival times = 6 S.D. = 0.089 Seismographs = 4
Nearest recorder = 15.0 km Gap = 225.8 deg Accuracy = D
Effects Code = Imax = 0 Fault =
4 km W (283 deg) of GNOC
WESTERN AUSTRALIA
299 km SE (135 deg) of PERTH
130 km N ( 11 deg) of ALBANY
15 km NE ( 52 deg) of Gnowangerup
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
GNOT S-P 2.00 5.00 0.67 1.86 0.14 15.0 226 0.0 0.0
KULI P 31.58 0.10 1.23 31.57 0.01 130.4 1 -38.8 38.8
KULI S 47.10 1.00 0.70 47.13 -0.03 130.4 1 -29.4 29.4
PING S 61.35 1.00 0.68 61.45 -0.10 182.3 324 -47.4 47.4
COR2 P 41.63 0.10 1.19 41.66 -0.03 198.3 349 -53.1 53.1
COR2 S 65.10 1.00 0.67 64.93 0.17 198.3 349 -47.4 47.4
6 times used, S = 0.089
Deferred Data
COR2 SG 65.10 1.00 0.67 73.25 -8.15 198.3 349 0.3 0.3
Velocity Ratios
KULI COR2
KULI 1.71 0.00
0.05 0.00
COR2 0.00 1.73
0.00 0.04
Date 2019-03-03
Origin Time 2218 31.47 +- 5.29
Zone 50
Easting 600.88 +- 19.69 Longitude 118.090
Northing 6254.22 +- 23.71 Latitude -33.847
Depth 4.34 +- 36.88
Arrival times = 8 S.D. = 0.161 Seismographs = 5
Nearest recorder = 129.5 km Gap = 316.7 deg Accuracy = B
Effects Code = Imax = 0 Fault =
7 km W (276 deg) of GNOC
WESTERN AUSTRALIA
297 km SE (136 deg) of PERTH
129 km N ( 9 deg) of ALBANY
12 km NE ( 42 deg) of Gnowangerup
Record Dur Sync Unc Resp Seismometer Recorder Pol
GNOT 0.00 Seismograph details unknown
BLDU 0.00 Seismograph details unknown
AKUL 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
NWAO P 53.00 0.50 0.89 53.06 -0.06 129.5 321 -13.5 38.8
NWAO S 68.60 1.00 0.70 68.45 0.15 129.5 321 -10.2 29.4
AKUL P 53.34 0.10 1.23 53.26 0.09 130.7 2 -13.5 38.8
AKUL S 68.52 1.00 0.70 68.78 -0.26 130.7 2 -10.2 29.4
KLBR P 70.43 0.20 1.01 70.34 0.10 252.1 352 -39.9 52.0
MUN P 72.60 0.30 0.93 72.86 -0.26 271.9 319 -39.9 52.0
MUN S 103.44 1.00 0.65 103.34 0.10 271.9 319 -37.9 45.7
BLDU P 87.00 0.60 0.78 86.91 0.09 381.5 339 -39.9 52.0
8 times used, S = 0.161
Deferred Data
GNOT S-P 3.00 5.00 0.67 1.59 1.41 12.7 216 0.0 0.0
KLBR SG 100.00 5.00 0.48 103.52 -3.52 252.1 352 0.5 27.7
KLBR S 100.00 5.00 0.48 98.92 1.08 252.1 352 -37.9 45.7
MORW P 108.80 0.30 0.86 110.31 -1.51 564.4 339 -39.8 52.0
Velocity Ratios
NWAO AKUL MUN
NWAO 1.72 0.00 1.78
0.09 0.00 0.18
AKUL 0.00 1.69 1.81
0.00 0.05 0.14
MUN 1.78 1.81 1.75
0.18 0.14 0.04
Date 2019-03-03
Origin Time 2236 9.75 +- 9.39
Zone 50
Easting 603.20 +- 38.43 Longitude 118.115
Northing 6256.19 +- 51.27 Latitude -33.829
Depth 2.16 +- 58.63
Arrival times = 8 S.D. = 0.113 Seismographs = 6
Nearest recorder = 128.6 km Gap = 319.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
6 km NW (298 deg) of GNOC
WESTERN AUSTRALIA
297 km SE (135 deg) of PERTH
132 km N ( 10 deg) of ALBANY
15 km NE ( 44 deg) of Gnowangerup
Record Dur Sync Unc Resp Seismometer Recorder Pol
COR2 0.00 Seismograph details unknown
PING 0.00 Seismograph details unknown
BLDU 0.00 Seismograph details unknown
AKUL 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
AKUL P 31.25 0.10 1.23 31.28 -0.03 128.6 1 -13.5 38.8
AKUL S 46.50 1.00 0.70 46.58 -0.08 128.6 1 -10.2 29.4
NWAO P 31.32 0.10 1.23 31.40 -0.07 129.4 320 -13.5 38.8
PING SG 61.33 1.00 0.68 61.34 -0.01 180.2 324 0.0 27.7
COR2 P 41.63 0.20 1.03 41.70 -0.07 196.3 350 -39.9 52.0
COR2 S 65.10 1.00 0.67 65.06 0.04 196.3 350 -37.9 45.7
KLBR P 48.83 0.20 1.01 48.63 0.20 250.4 352 -39.9 52.0
MORW P 88.88 5.00 0.49 88.68 0.20 563.3 339 -39.8 52.0
8 times used, S = 0.113
Deferred Data
NWAO S 47.34 1.00 0.70 46.80 0.54 129.4 320 -10.2 29.4
COR2 PG 41.63 0.20 1.03 42.78 -1.15 196.3 350 0.0 36.7
COR2 SG 65.10 1.00 0.67 65.91 -0.81 196.3 350 0.0 27.7
KLBR S 76.30 1.00 0.66 77.20 -0.90 250.4 352 -37.9 45.7
MUN P 52.36 0.30 0.93 51.37 0.99 271.9 318 -39.9 52.0
BLDU P 64.73 0.30 0.90 65.28 -0.55 380.5 339 -39.9 52.0
BLDU S 103.80 1.00 0.63 106.37 -2.57 380.5 339 -37.9 45.7
Velocity Ratios
AKUL COR2
AKUL 1.71 0.00
0.05 0.00
COR2 0.00 1.74
0.00 0.04
Date 2019-03-06
Origin Time 0659 53.69 +- 5.18
Zone 50
Easting 635.57 +- 38.10 Longitude 118.467
Northing 6242.53 +- 11.26 Latitude -33.949
Depth 2.00 +- 49.38 N
Arrival times = 9 S.D. = 0.496 Seismographs = 7
Nearest recorder = 127.5 km Gap = 215.3 deg Accuracy = C
Effects Code = Imax = 0 Fault =
21 km E (110 deg) of GNOB
WESTERN AUSTRALIA
330 km SE (133 deg) of PERTH
129 km NE ( 25 deg) of ALBANY
43 km E ( 93 deg) of Gnowangerup
Record Dur Sync Unc Resp Seismometer Recorder Pol
AALB 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
AALB P 74.01 0.10 1.23 74.48 -0.47 127.5 203 0.9 0.9
AALB S 89.90 1.00 0.70 88.90 1.00 127.5 203 0.9 0.9
KULI P 76.55 0.20 1.06 76.99 -0.44 144.7 348 -30.8 30.8
NWAO P 79.09 0.20 1.05 79.30 -0.21 161.2 314 -30.8 30.8
NWAO S 98.00 1.00 0.69 98.23 -0.23 161.2 314 0.8 0.8
PING SG 112.10 1.00 0.67 111.92 0.18 210.8 319 0.6 0.6
KLBR P 93.33 0.20 1.00 92.75 0.58 269.7 345 -42.2 42.2
BLDU P 109.28 0.30 0.89 109.14 0.14 405.3 335 -42.2 42.2
MORW P 131.65 0.30 0.86 131.24 0.42 588.0 336 -42.2 42.2
9 times used, S = 0.496
Deferred Data
PING P 87.07 0.20 1.03 85.63 1.44 210.8 319 -42.2 42.2
COR2 PG 87.35 0.20 1.02 89.10 -1.75 217.0 342 0.6 0.6
COR2 P 87.35 0.20 1.02 86.38 0.97 217.0 342 -42.2 42.2
COR2 SG 113.00 1.00 0.67 113.65 -0.65 217.0 342 0.6 0.6
MEKS P 95.21 0.20 1.00 94.32 0.89 282.7 331 -42.2 42.2
MUN P 98.01 0.30 0.92 96.86 1.15 303.8 315 -42.2 42.2
MUN S 131.42 1.00 0.65 129.01 2.41 303.8 315 -40.3 40.3
BLDU S 151.60 1.00 0.63 150.38 1.22 405.3 335 -40.3 40.3
MEEK P 159.62 0.30 0.83 158.16 1.46 810.5 1 -42.2 42.2
FORT P 177.58 0.30 0.81 177.67 -0.08 972.1 71 -42.2 42.2
Velocity Ratios
AALB NWAO
AALB 1.78 0.00
0.06 0.00
NWAO 0.00 1.74
0.00 0.05
Date 2019-03-06
Origin Time 0745 54.74 +- 8.47
Zone 50
Easting 602.83 +- 29.09 Longitude 118.111
Northing 6256.39 +- 55.75 Latitude -33.828
Depth 0.82 +- 57.46
Arrival times = 7 S.D. = 0.237 Seismographs = 5
Nearest recorder = 128.4 km Gap = 318.9 deg Accuracy = B
Effects Code = Imax = 0 Fault =
6 km NW (298 deg) of GNOC
WESTERN AUSTRALIA
297 km SE (135 deg) of PERTH
132 km N ( 10 deg) of ALBANY
15 km NE ( 42 deg) of Gnowangerup
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
AKUL P 76.41 0.10 1.23 76.42 -0.01 128.4 1 -38.8 38.8
NWAO P 76.26 0.20 1.07 76.51 -0.25 129.0 320 -38.8 38.8
NWAO S 92.21 1.00 0.70 91.90 0.31 129.0 320 -29.4 29.4
COR2 P 86.87 0.20 1.03 86.88 -0.01 196.0 350 -52.0 52.0
COR2 S 109.90 1.00 0.67 110.31 -0.41 196.0 350 -45.7 45.7
KLBR P 94.10 0.20 1.01 93.82 0.28 250.2 352 -52.0 52.0
MEKS S 123.90 1.00 0.66 123.79 0.11 256.2 336 -45.7 45.7
7 times used, S = 0.237
Deferred Data
KLBR S 121.04 1.00 0.66 122.45 -1.41 250.2 352 -45.7 45.7
MUN P 97.30 0.30 0.93 96.53 0.77 271.5 318 -52.0 52.0
MUN S 126.60 1.00 0.65 127.22 -0.62 271.5 318 -45.7 45.7
Velocity Ratios
NWAO COR2
NWAO 1.74 0.00
0.06 0.00
COR2 0.00 1.72
0.00 0.04
Date 2019-03-07
Origin Time 1421 15.02 +- 0.63
Zone 50
Easting 574.74 +- 3.91 Longitude 117.780
Northing 6609.75 +- 5.13 Latitude -30.642
Depth 0.04 +- 7.30
Arrival times = 12 S.D. = 0.084 Seismographs = 9
Nearest recorder = 35.1 km Gap = 179.2 deg Accuracy = A
Effects Code = Imax = 0 Fault =
16 km E ( 94 deg) of KOO4
WESTERN AUSTRALIA
234 km NE ( 52 deg) of PERTH
21 km N (341 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 2.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KOO6 P 20.75 0.05 1.58 20.74 0.01 35.1 234 0.6 0.6
KOO6 S 24.80 0.50 0.89 24.71 0.09 35.1 234 0.6 0.6
BR4 P 23.60 0.10 1.33 23.57 0.03 52.4 90 0.4 0.4
BLDU P 31.78 0.20 1.09 31.77 0.01 102.7 271 0.2 0.2
KLBR P 32.05 0.10 1.25 32.19 -0.13 105.2 181 0.2 0.2
KLBR S 44.20 0.10 1.13 44.09 0.11 105.2 181 0.2 0.2
MECK P 36.45 0.10 1.23 36.57 -0.12 132.1 213 0.1 0.1
COR2 P 40.70 0.20 1.05 40.63 0.07 160.0 180 -30.8 30.8
MUN S 71.01 1.00 0.67 71.04 -0.03 210.4 224 -40.3 40.3
PING P 48.30 0.10 1.18 48.25 0.05 219.7 199 -42.2 42.2
AKUL P 49.20 0.20 1.02 49.20 0.00 227.5 171 -42.2 42.2
AKUL S 74.50 1.00 0.67 74.65 -0.15 227.5 171 -40.3 40.3
12 times used, S = 0.084
Deferred Data
BR4 S 31.90 1.00 0.75 29.50 2.40 52.4 90 0.4 0.4
MECK S 51.90 1.00 0.70 51.50 0.40 132.1 213 0.1 0.1
MEKS S 53.20 0.50 0.80 52.88 0.32 137.0 210 0.1 0.1
COR2 S 59.50 1.00 0.69 59.21 0.29 160.0 180 0.1 0.1
MUN P 47.35 0.30 0.95 47.13 0.22 210.4 224 -42.2 42.2
PING S 75.30 1.00 0.67 73.00 2.30 219.7 199 -40.3 40.3
Velocity Ratios
KOO6 KLBR AKUL
KOO6 1.71 1.72 1.75
0.10 0.08 0.07
KLBR 1.72 1.71 1.77
0.08 0.02 0.10
AKUL 1.75 1.77 1.74
0.07 0.10 0.04
Date 2019-03-11
Origin Time 0006 55.98 +- 2.35
Zone 50
Easting 603.34 +- 36.41 Longitude 118.117
Northing 6252.30 +- 19.39 Latitude -33.864
Depth 9.47 +- 48.90
Arrival times = 9 S.D. = 0.094 Seismographs = 7
Nearest recorder = 13.0 km Gap = 187.3 deg Accuracy = B
Effects Code = Imax = 0 Fault =
5 km W (259 deg) of GNOC
WESTERN AUSTRALIA
300 km SE (136 deg) of PERTH
128 km N ( 10 deg) of ALBANY
13 km NE ( 56 deg) of Gnowangerup
Record Dur Sync Unc Resp Seismometer Recorder Pol
AALB 0.00 Seismograph details unknown
MECK 0.00 Seismograph details unknown
GNOT 0.00 Seismograph details unknown
COR2 0.00 Seismograph details unknown
PING 0.00 Seismograph details unknown
BLDU 0.00 Seismograph details unknown
AKUL 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
GNOT S-P 2.00 5.00 0.67 1.91 0.09 13.0 230 0.0 0.0
AALB P 77.11 0.10 1.23 77.10 0.01 127.4 188 1.5 38.8
AKUL P 78.07 0.10 1.23 77.97 0.10 132.5 1 1.4 38.8
AKUL S 93.60 1.00 0.70 93.69 -0.09 132.5 1 1.5 29.4
NWAO P 77.84 0.10 1.23 77.97 -0.13 132.5 321 1.4 38.8
NWAO S 93.81 1.00 0.70 93.69 0.12 132.5 321 1.5 29.4
PING PG 86.22 0.10 1.19 86.23 -0.00 183.4 324 1.0 38.8
KLBR P 94.55 0.10 1.16 94.60 -0.05 254.3 352 -37.9 52.0
MUN P 97.35 0.30 0.92 97.23 0.12 274.9 319 -37.9 52.0
9 times used, S = 0.094
Deferred Data
PING SG 108.70 1.00 0.68 107.93 0.77 183.4 324 1.0 29.4
COR2 PG 88.30 0.20 1.03 88.93 -0.63 200.1 350 0.9 38.8
COR2 SG 111.80 1.00 0.67 112.60 -0.80 200.1 350 0.9 29.4
MECK SG 130.20 1.00 0.66 131.71 -1.51 268.5 337 0.7 29.4
BLDU P 110.00 5.00 0.51 111.23 -1.23 384.2 339 -37.9 52.0
Velocity Ratios
AKUL NWAO
AKUL 1.70 0.00
0.05 0.00
NWAO 0.00 1.73
0.00 0.05
Date 2019-03-15
Origin Time 1524 51.98 +- 0.74
Zone 50
Easting 506.86 +- 3.96 Longitude 117.072
Northing 6492.88 +- 5.24 Latitude -31.699
Depth 7.67 +- 8.69
Arrival times = 10 S.D. = 0.065 Seismographs = 6
Nearest recorder = 3.2 km Gap = 118.9 deg Accuracy = A
Effects Code = Imax = 0 Fault =
3 km E ( 85 deg) of MEKS
WESTERN AUSTRALIA
119 km E ( 77 deg) of PERTH
10 km SE (142 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 1.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MEKS P 53.38 0.03 2.04 53.37 0.01 3.2 265 67.7 67.7
MEKS S 54.28 0.30 1.16 54.33 -0.06 3.2 265 67.7 67.7
MECK P 54.05 0.05 1.73 54.02 0.03 9.7 320 39.1 39.1
MECK S 55.38 0.40 1.03 55.43 -0.06 9.7 320 39.1 39.1
KLBR P 62.80 0.10 1.31 62.79 0.01 65.8 79 6.9 6.9
KLBR S 70.13 1.00 0.74 70.28 -0.15 65.8 79 6.9 6.9
COR2 P 64.78 0.10 1.29 64.68 0.10 77.5 123 5.9 5.9
MUN S 76.27 1.00 0.72 76.22 0.05 87.4 248 5.2 5.2
NWAO P 73.62 0.10 1.23 73.71 -0.09 136.9 173 -30.8 30.8
NWAO S 89.84 1.00 0.70 89.85 -0.01 136.9 173 3.3 3.3
10 times used, S = 0.065
Deferred Data
COR2 S 73.90 1.00 0.73 73.49 0.41 77.5 123 5.9 5.9
MUN P 66.08 0.20 1.11 66.30 -0.21 87.4 248 5.2 5.2
BLDU P 73.62 0.20 1.08 72.10 1.52 125.4 343 -30.8 30.8
BLDU S 86.90 1.00 0.70 86.69 0.21 125.4 343 3.7 3.7
Velocity Ratios
MEKS MECK KLBR NWAO
MEKS 1.64 0.00 1.68 1.76
0.26 0.00 0.16 0.08
MECK 0.00 1.64 1.69 1.76
0.00 0.24 0.19 0.09
KLBR 1.68 1.69 1.68 0.00
0.16 0.19 0.11 0.00
NWAO 1.76 1.76 0.00 1.75
0.08 0.09 0.00 0.05
Date 2019-03-19
Origin Time 2346 16.31 +- 0.53
Zone 50
Easting 497.86 +- 5.57 Longitude 116.977
Northing 6430.39 +- 3.29 Latitude -32.263
Depth 3.54 +- 16.17
Arrival times = 13 S.D. = 0.168 Seismographs = 8
Nearest recorder = 27.0 km Gap = 116.5 deg Accuracy = B
Effects Code = Imax = 0 Fault =
15 km SE (121 deg) of AUAL
WESTERN AUSTRALIA
112 km E (108 deg) of PERTH
9 km N (346 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 3.1
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
PING P 20.81 0.05 1.61 20.77 0.04 27.0 176 8.1 8.1
PING S 24.05 0.50 0.91 23.85 0.20 27.0 176 8.1 8.1
MECK P 27.90 0.10 1.30 27.76 0.14 70.1 2 3.1 3.1
MECK S 35.95 1.00 0.74 35.69 0.26 70.1 2 3.1 3.1
NWAO P 28.90 0.10 1.29 28.95 -0.05 77.4 162 2.8 2.8
NWAO S 37.80 1.00 0.73 37.71 0.09 77.4 162 2.8 2.8
MUN P 29.02 0.20 1.12 29.23 -0.21 79.1 293 2.7 2.7
MUN S 38.40 1.00 0.73 38.19 0.21 79.1 293 2.7 2.7
KLBR P 33.22 0.20 1.09 33.39 -0.17 104.6 44 2.1 2.1
AKUL P 35.46 0.20 1.08 35.78 -0.32 119.3 112 1.9 1.9
AKUL S 49.30 1.00 0.70 49.28 0.02 119.3 112 1.9 1.9
KOO6 P 42.50 0.10 1.21 42.51 -0.01 166.3 16 -30.8 30.8
BR4 P 49.35 0.20 1.02 49.22 0.13 220.2 35 -42.2 42.2
13 times used, S = 0.168
Deferred Data
KOO6 S 62.75 1.00 0.68 62.20 0.55 166.3 16 -23.9 23.9
BR4 S 77.20 1.00 0.67 73.78 3.42 220.2 35 -40.3 40.3
BR4 SG 77.20 1.00 0.53 77.15 0.05 220.2 35 1.0 1.0
Velocity Ratios
PING MECK NWAO MUN AKUL
PING 1.72 0.00 0.00 0.00 1.72
0.13 0.00 0.00 0.00 0.13
MECK 0.00 1.69 0.00 0.00 0.00
0.00 0.10 0.00 0.00 0.00
NWAO 0.00 0.00 1.71 0.00 0.00
0.00 0.00 0.09 0.00 0.00
MUN 0.00 0.00 0.00 1.74 0.00
0.00 0.00 0.00 0.11 0.00
AKUL 1.72 0.00 0.00 0.00 1.72
0.13 0.00 0.00 0.00 0.07
Date 2019-03-21
Origin Time 1854 49.95 +- 1.84
Zone 50
Easting 602.29 +- 26.05 Longitude 118.106
Northing 6250.18 +- 11.66 Latitude -33.884
Depth 2.38 +- 55.26
Arrival times = 7 S.D. = 0.118 Seismographs = 4
Nearest recorder = 125.1 km Gap = 186.5 deg Accuracy = B
Effects Code = Imax = 0 Fault =
7 km SW (244 deg) of GNOC
WESTERN AUSTRALIA
301 km SE (136 deg) of PERTH
126 km N ( 10 deg) of ALBANY
11 km NE ( 62 deg) of Gnowangerup
Record Dur Sync Unc Resp Seismometer Recorder Pol
AALB 0.00 Seismograph details unknown
AHAR 0.00 Seismograph details unknown
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
AALB P 70.86 0.10 1.24 70.87 -0.00 125.1 188 -13.5 38.8
NWAO P 72.21 0.10 1.23 72.27 -0.06 133.6 322 -13.5 38.8
NWAO S 88.28 1.00 0.70 88.16 0.12 133.6 322 -10.2 29.4
KULI P 72.58 0.10 1.23 72.44 0.14 134.6 1 -13.5 38.8
KULI S 88.20 1.00 0.70 88.45 -0.25 134.6 1 -10.2 29.4
AHAR P 85.28 0.10 1.17 85.34 -0.06 223.7 292 -39.9 52.0
AHAR S 111.41 1.00 0.67 111.31 0.10 223.7 292 -37.9 45.7
7 times used, S = 0.118
Deferred Data
KLBR P 89.20 0.20 1.01 89.56 -0.36 256.3 352 -39.9 52.0
MUN S 122.83 2.00 0.57 123.06 -0.23 275.9 319 -37.9 45.7
Velocity Ratios
NWAO KULI AHAR
NWAO 1.72 0.00 1.77
0.05 0.00 0.18
KULI 0.00 1.69 1.83
0.00 0.05 0.19
AHAR 1.77 1.83 1.74
0.18 0.19 0.03