Data Report
Bulletin / 2019-04
Contributed by CUPWA
Date 2019-04-03
Origin Time 0533 48.97 +- 1.45
Zone 50
Easting 490.90 +- 9.91 Longitude 116.905
Northing 6634.12 +- 14.34 Latitude -30.425
Depth 1.12 +- 52.05
Arrival times = 7 S.D. = 0.093 Seismographs = 4
Nearest recorder = 28.0 km Gap = 129.9 deg Accuracy = C
Effects Code = Imax = 0 Fault =
3 km E ( 79 deg) of DAM
WESTERN AUSTRALIA
197 km NE ( 31 deg) of PERTH
22 km W (254 deg) of Kalannie
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
BLDU P 53.57 0.10 1.40 53.55 0.02 28.0 222 3.0 3.0
BLDU S 56.72 0.50 0.91 56.72 0.00 28.0 222 3.0 3.0
KOO6 P 60.58 0.10 1.30 60.55 0.03 70.9 129 1.1 1.1
KOO6 S 68.33 1.00 0.74 68.58 -0.25 70.9 129 1.1 1.1
BR4 P 71.50 0.20 1.07 71.50 0.00 138.6 100 -30.8 30.8
BR4 S 87.44 1.00 0.70 87.26 0.18 138.6 100 0.6 0.6
MORW PG 77.00 0.20 1.05 77.05 -0.05 172.1 330 0.5 0.5
7 times used, S = 0.093
Deferred Data
MORW P 77.00 0.20 1.05 76.19 0.81 172.1 330 -30.8 30.8
MUN PG 78.18 0.20 1.04 79.08 -0.90 184.5 200 0.4 0.4
MUN P 78.18 0.20 1.04 77.83 0.36 184.5 200 -42.2 42.2
MUN S 99.01 1.00 0.68 99.34 -0.33 184.5 200 -40.3 40.3
Velocity Ratios
BLDU KOO6 BR4
BLDU 1.69 0.00 1.71
0.15 0.00 0.11
KOO6 0.00 1.67 0.00
0.00 0.10 0.00
BR4 1.71 0.00 1.71
0.11 0.00 0.06
Date 2019-04-13
Origin Time 1618 58.22 +- 4.05
Zone 50
Easting 606.32 +- 30.05 Longitude 118.150
Northing 6247.92 +- 12.12 Latitude -33.904
Depth 7.26 +- 4.64
Arrival times = 9 S.D. = 0.255 Seismographs = 5
Nearest recorder = 13.7 km Gap = 244.0 deg Accuracy = C
Effects Code = Imax = 0 Fault =
5 km SW (233 deg) of GNOW
WESTERN AUSTRALIA
305 km SE (136 deg) of PERTH
124 km N ( 12 deg) of ALBANY
14 km E ( 78 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 2.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
GNOT P 61.07 0.05 1.69 60.98 0.09 13.7 253 21.4 43.6
GNOT S 63.07 0.30 1.06 62.83 0.24 13.7 253 24.2 37.3
RKGY P 80.23 0.10 1.23 80.34 -0.11 133.3 233 0.3 38.8
RKGY S 95.70 1.00 0.70 96.15 -0.45 133.3 233 0.3 29.4
NWAO P 80.62 0.10 1.23 81.06 -0.44 137.8 321 0.3 38.8
PING P 88.87 0.10 1.19 88.67 0.20 188.7 324 -37.9 52.0
PING S 111.02 1.00 0.68 110.96 0.06 188.7 324 -36.7 45.7
COR2 P 90.87 0.20 1.03 90.74 0.13 204.9 349 -37.9 52.0
COR2 S 114.70 1.00 0.67 114.59 0.11 204.9 349 -36.7 45.7
9 times used, S = 0.255
Deferred Data
MECK P 100.72 0.10 1.15 99.52 1.20 273.7 336 -37.9 52.0
MECK S 134.02 1.00 0.65 129.98 4.04 273.7 336 -36.7 45.7
MUN P 99.94 0.30 0.92 100.36 -0.42 280.2 319 -37.9 52.0
MUN S 131.20 2.00 0.57 131.45 -0.25 280.2 319 -36.7 45.7
FORT P 186.66 0.30 0.81 190.76 -4.10 993.6 72 -41.1 53.0
Velocity Ratios
GNOT RKGY PING COR2
GNOT 1.70 1.70 1.73 1.73
0.14 0.08 0.06 0.06
RKGY 1.70 1.70 0.00 0.00
0.08 0.05 0.00 0.00
PING 1.73 0.00 1.72 0.00
0.06 0.00 0.04 0.00
COR2 1.73 0.00 0.00 1.73
0.06 0.00 0.00 0.04
Date 2019-04-20
Origin Time 1032 52.95 +- 0.96
Zone 50
Easting 605.48 +- 11.68 Longitude 118.141
Northing 6247.18 +- 5.39 Latitude -33.910
Depth 10.86 +- 6.51
Arrival times = 9 S.D. = 0.096 Seismographs = 6
Nearest recorder = 12.7 km Gap = 189.6 deg Accuracy = B
Effects Code = Imax = 0 Fault =
6 km SW (207 deg) of GNOC
WESTERN AUSTRALIA
305 km SE (136 deg) of PERTH
123 km N ( 12 deg) of ALBANY
13 km E ( 81 deg) of Gnowangerup
Record Dur Sync Unc Resp Seismometer Recorder Pol
AALB 0.00 Seismograph details unknown
GNOT 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 2.5
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
GNOT P 55.89 0.05 1.70 55.88 0.01 12.7 255 37.9 52.0
GNOT S 57.83 0.20 1.16 57.86 -0.03 12.7 255 39.2 47.5
AALB P 73.29 0.10 1.24 73.32 -0.04 122.7 190 2.3 38.8
RKGY P 74.89 0.10 1.23 74.90 -0.01 132.2 233 2.1 38.8
RKGY S 90.80 1.00 0.70 90.59 0.21 132.2 233 2.3 29.5
AKUL P 75.78 0.10 1.23 75.77 0.01 137.5 0 2.0 38.8
PING P 82.89 0.10 1.19 83.06 -0.17 188.9 325 -37.9 52.0
KLBR P 92.27 0.10 1.16 92.12 0.15 259.6 351 -37.9 52.0
KLBR S 121.00 1.00 0.66 120.99 0.01 259.6 351 -36.7 45.7
9 times used, S = 0.096
Deferred Data
AALB S 87.43 1.00 0.70 87.89 -0.46 122.7 190 2.5 29.5
AKUL S 91.34 1.00 0.70 92.08 -0.74 137.5 0 2.2 29.5
NWAO P 75.32 0.10 1.23 75.82 -0.49 137.9 322 2.0 38.8
NWAO S 91.34 1.00 0.70 92.17 -0.83 137.9 322 2.2 29.5
PING S 106.00 1.00 0.68 105.12 0.88 188.9 325 -36.7 45.7
PING SG 106.00 1.00 0.68 106.43 -0.43 188.9 325 1.5 29.4
MUN P 94.34 0.20 1.00 94.74 -0.40 280.2 319 -37.9 52.0
MUN S 125.80 1.00 0.65 125.59 0.21 280.2 319 -36.7 45.7
Velocity Ratios
GNOT RKGY KLBR
GNOT 1.66 1.74 1.74
0.10 0.08 0.04
RKGY 1.74 1.73 1.74
0.08 0.05 0.14
KLBR 1.74 1.74 1.73
0.04 0.14 0.03
Date 2019-04-20
Origin Time 1123 48.42 +- 3.51
Zone 50
Easting 600.01 +- 32.71 Longitude 118.081
Northing 6251.63 +- 16.23 Latitude -33.871
Depth 9.58 +- 18.35
Arrival times = 7 S.D. = 0.126 Seismographs = 4
Nearest recorder = 10.1 km Gap = 219.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
8 km W (259 deg) of GNOC
WESTERN AUSTRALIA
298 km SE (136 deg) of PERTH
127 km N ( 9 deg) of ALBANY
10 km NE ( 49 deg) of Gnowangerup
Record Dur Sync Unc Resp Seismometer Recorder Pol
GNOT 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 2.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
GNOT P 50.81 0.03 1.91 50.89 -0.09 10.1 222 40.7 53.8
GNOT S 52.68 0.20 1.17 52.55 0.13 10.1 222 42.2 49.8
RKGY P 70.15 0.10 1.23 70.09 0.06 130.5 230 1.5 38.8
RKGY S 85.50 1.00 0.70 85.58 -0.08 130.5 230 1.6 29.4
NWAO P 70.16 0.10 1.23 70.17 -0.01 131.1 322 1.5 38.8
AKUL P 70.70 0.10 1.23 70.55 0.15 133.3 2 1.5 38.8
AKUL S 86.10 1.00 0.70 86.36 -0.26 133.3 2 1.6 29.4
7 times used, S = 0.126
Deferred Data
NWAO S 86.40 1.00 0.70 85.72 0.68 131.1 322 1.6 29.4
PING P 3.20 0.10 1.19 77.79 -74.59 182.1 325 -37.9 52.0
PING S 105.60 1.00 0.68 99.29 6.31 182.1 325 -36.7 45.7
KLBR P 88.26 0.10 1.16 87.07 1.19 254.5 353 -37.9 52.0
KLBR S 115.86 1.00 0.66 115.53 0.33 254.5 353 -36.7 45.7
Velocity Ratios
GNOT RKGY AKUL
GNOT 1.79 1.70 1.68
0.11 0.07 0.07
RKGY 1.70 1.71 0.00
0.07 0.05 0.00
AKUL 1.68 0.00 1.69
0.07 0.00 0.05
Date 2019-04-20
Origin Time 1254 57.15 +- 1.91
Zone 50
Easting 603.13 +- 16.88 Longitude 118.115
Northing 6249.61 +- 5.34 Latitude -33.889
Depth 11.73 +- 10.75
Arrival times = 9 S.D. = 0.094 Seismographs = 6
Nearest recorder = 11.4 km Gap = 230.8 deg Accuracy = B
Effects Code = Imax = 0 Fault =
6 km SW (236 deg) of GNOC
WESTERN AUSTRALIA
302 km SE (136 deg) of PERTH
125 km N ( 10 deg) of ALBANY
12 km NE ( 67 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 2.3
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
GNOT i P 59.98 0.05 1.71 60.00 -0.02 11.4 240 43.9 55.8
GNOT S 62.00 0.30 1.07 61.94 0.06 11.4 240 45.0 52.0
RKGY P 79.10 0.10 1.23 79.03 0.07 131.8 232 2.6 38.9
RKGY S 94.50 1.00 0.70 94.67 -0.17 131.8 232 2.8 29.5
NWAO P 79.31 0.20 1.07 79.47 -0.16 134.6 322 2.5 38.9
NWAO S 95.60 1.00 0.70 95.44 0.16 134.6 322 2.7 29.5
AKUL P 79.61 0.20 1.07 79.58 0.03 135.2 1 2.5 38.9
PING PG 87.70 0.20 1.04 87.74 -0.04 185.5 325 1.8 38.8
MUN P 98.50 0.30 0.92 98.42 0.08 276.8 319 -37.9 52.0
9 times used, S = 0.094
Deferred Data
AKUL S 95.10 1.00 0.70 95.63 -0.53 135.2 1 2.7 29.5
PING SG 110.10 1.00 0.68 109.70 0.40 185.5 325 1.8 29.4
COR2 S 112.40 0.10 1.07 112.27 0.13 202.7 350 -36.7 45.7
KLBR P 96.40 0.20 1.01 95.88 0.52 256.9 352 -37.9 52.0
KLBR S 125.70 1.00 0.66 124.43 1.27 256.9 352 -36.7 45.7
MUN S 130.10 1.00 0.65 128.88 1.22 276.8 319 -36.7 45.7
Velocity Ratios
GNOT RKGY NWAO
GNOT 1.71 1.70 1.74
0.14 0.08 0.09
RKGY 1.70 1.70 0.00
0.08 0.05 0.00
NWAO 1.74 0.00 1.73
0.09 0.00 0.06
Date 2019-04-21
Origin Time 1544 8.00 +- 17.15
Zone 50
Easting 600.55 +- 178.34 Longitude 118.087
Northing 6252.91 +- 84.12 Latitude -33.859
Depth 9.52 +- 83.98
Arrival times = 7 S.D. = 0.191 Seismographs = 4
Nearest recorder = 11.4 km Gap = 216.7 deg Accuracy = B
Effects Code = Imax = 0 Fault =
11 km NE ( 39 deg) of GNOT
Record Dur Sync Unc Resp Seismometer Recorder Pol
AKUL 0.00 Seismograph details unknown
GNOT 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
GNOT P 10.57 0.03 1.89 10.63 -0.05 11.4 219 36.7 51.3
GNOT S 12.48 0.30 1.07 12.39 0.09 11.4 219 38.2 46.8
NWAO P 30.00 5.00 0.56 29.63 0.37 130.4 322 1.5 38.8
RKGY P 30.02 0.10 1.23 29.86 0.15 131.8 230 1.5 38.8
RKGY S 45.10 1.00 0.70 45.49 -0.39 131.8 230 1.6 29.4
AKUL P 30.00 5.00 0.56 29.90 0.10 132.0 2 1.5 38.8
AKUL S 45.34 1.00 0.70 45.56 -0.22 132.0 2 1.6 29.4
7 times used, S = 0.191
Velocity Ratios
GNOT RKGY AKUL
GNOT 1.74 1.68 0.00
0.14 0.08 0.00
RKGY 1.68 1.68 0.00
0.08 0.05 0.00
AKUL 0.00 0.00 1.70
0.00 0.00 0.56
Date 2019-04-21
Origin Time 1613 36.59 +- 14.01
Zone 50
Easting 599.14 +- 126.62 Longitude 118.072
Northing 6252.57 +- 62.49 Latitude -33.862
Depth 10.55 +- 64.15
Arrival times = 7 S.D. = 0.134 Seismographs = 4
Nearest recorder = 10.3 km Gap = 211.4 deg Accuracy = B
Effects Code = Imax = 0 Fault =
10 km NE ( 34 deg) of GNOT
Record Dur Sync Unc Resp Seismometer Recorder Pol
AKUL 0.00 Seismograph details unknown
GNOT 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
GNOT P 38.89 5.00 0.68 39.18 -0.30 10.3 214 43.4 55.5
GNOT S 41.00 0.30 1.08 40.93 0.07 10.3 214 44.7 51.7
NWAO P 58.13 0.10 1.23 58.13 -0.00 129.8 322 2.0 38.8
RKGY P 58.21 0.10 1.23 58.25 -0.04 130.5 230 2.0 38.8
RKGY S 73.80 1.00 0.70 73.73 0.07 130.5 230 2.2 29.5
AKUL P 58.70 0.10 1.23 58.57 0.13 132.5 3 2.0 38.8
AKUL S 74.05 1.00 0.70 74.29 -0.24 132.5 3 2.1 29.5
7 times used, S = 0.134
Deferred Data
NWAO S 74.33 1.00 0.70 73.53 0.80 129.8 322 2.2 29.5
MUN P 75.00 0.30 0.93 77.36 -2.36 272.0 319 -37.9 52.0
Velocity Ratios
GNOT RKGY AKUL
GNOT 1.92 0.00 0.00
-3.66 0.00 0.00
RKGY 0.00 1.72 0.00
0.00 0.05 0.00
AKUL 0.00 0.00 1.69
0.00 0.00 0.05
Date 2019-04-25
Origin Time 1300 16.77 +- 0.88
Zone 50
Easting 506.29 +- 6.79 Longitude 117.066
Northing 6493.96 +- 5.06 Latitude -31.690
Depth 5.86 +- 11.88
Arrival times = 8 S.D. = 0.023 Seismographs = 5
Nearest recorder = 3.0 km Gap = 121.6 deg Accuracy = A
Effects Code = Imax = 0 Fault =
2 km N ( 15 deg) of ME3
WESTERN AUSTRALIA
119 km E ( 76 deg) of PERTH
8 km SE (141 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 1.9
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MEKS P 17.89 0.03 2.05 17.88 0.01 3.0 242 63.9 63.9
MEKS S 18.62 0.30 1.16 18.65 -0.03 3.0 242 63.9 63.9
MECK P 18.47 0.03 1.93 18.48 -0.01 8.5 319 35.6 35.6
MECK S 19.70 0.20 1.19 19.67 0.03 8.5 319 35.6 35.6
KLBR P 27.60 0.10 1.30 27.61 -0.01 66.2 80 5.3 5.3
MUN S 40.90 1.00 0.72 40.94 -0.04 87.3 248 4.0 4.0
PING P 31.65 0.10 1.27 31.62 0.03 90.8 184 3.9 3.9
PING S 41.91 1.00 0.72 41.92 -0.01 90.8 184 3.9 3.9
8 times used, S = 0.023
Deferred Data
KLBR S 35.20 1.00 0.74 35.13 0.07 66.2 80 5.3 5.3
MUN P 30.80 0.20 1.11 31.05 -0.25 87.3 248 4.0 4.0
BLDU P 37.15 0.20 1.08 36.89 0.26 124.2 344 -30.8 30.8
BLDU S 50.90 1.00 0.70 51.13 -0.23 124.2 344 2.9 2.9
NWAO P 38.41 0.20 1.07 38.81 -0.40 138.0 173 -30.8 30.8
NWAO S 54.40 1.00 0.70 54.94 -0.54 138.0 173 2.5 2.5
AKUL P 40.52 0.20 1.06 40.40 0.12 149.3 137 -30.8 30.8
AKUL S 58.20 1.00 0.69 58.05 0.15 149.3 137 2.4 2.4
MORW P 61.30 0.30 0.91 59.90 1.40 306.8 341 -42.2 42.2
Velocity Ratios
MEKS MECK PING
MEKS 1.65 0.00 1.69
0.32 0.00 0.11
MECK 0.00 1.73 1.69
0.00 0.15 0.11
PING 1.69 1.69 1.69
0.11 0.11 0.08