Data Report
Bulletin / 2019-12
Contributed by CUPWA
Date 2019-12-29
Origin Time 1936 52.72 +- 2.15
Zone 50
Easting 583.70 +- 29.45 Longitude 117.907
Northing 6234.35 +- 21.36 Latitude -34.028
Depth 3.03 +- 69.35
Arrival times = 6 S.D. = 0.066 Seismographs = 3
Nearest recorder = 13.6 km Gap = 189.4 deg Accuracy = A
Effects Code = Imax = 0 Fault =
13 km SW (223 deg) of GNOT
WESTERN AUSTRALIA
300 km SE (141 deg) of PERTH
108 km N ( 2 deg) of ALBANY
14 km SW (218 deg) of Gnowangerup
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
GNOT i P 55.00 0.03 1.87 55.01 -0.01 13.6 43 13.7 13.7
GNOT i S 56.64 0.20 1.15 56.60 0.04 13.6 43 13.7 13.7
RKGY P 70.12 0.10 1.25 70.20 -0.07 107.1 232 1.8 1.8
RKGY S 82.50 1.00 0.71 82.32 0.18 107.1 232 1.8 1.8
NWAO P 74.90 0.10 1.23 74.88 0.02 137.2 332 -30.8 30.8
NWAO S 90.60 1.00 0.70 90.63 -0.03 137.2 332 1.4 1.4
6 times used, S = 0.066
Deferred Data
KLBR P 92.88 0.20 1.00 91.77 1.11 270.5 356 -42.2 42.2
KLBR S 122.20 1.00 0.65 120.86 1.34 270.5 356 -40.3 40.3
BLDU P 106.73 0.20 0.97 106.83 -0.10 395.1 343 -42.2 42.2
Velocity Ratios
GNOT RKGY NWAO
GNOT 1.72 1.71 1.71
0.11 0.09 0.07
RKGY 1.71 1.71 0.00
0.09 0.07 0.00
NWAO 1.71 0.00 1.71
0.07 0.00 0.05
Date 2019-12-29
Origin Time 1944 27.72 +- 1.73
Zone 50
Easting 584.66 +- 28.29 Longitude 117.917
Northing 6232.58 +- 17.89 Latitude -34.044
Depth 4.12 +- 39.82
Arrival times = 6 S.D. = 0.106 Seismographs = 4
Nearest recorder = 14.4 km Gap = 198.2 deg Accuracy = C
Effects Code = Imax = 0 Fault =
14 km SW (215 deg) of GNOT
WESTERN AUSTRALIA
302 km SE (141 deg) of PERTH
106 km N ( 2 deg) of ALBANY
15 km SW (211 deg) of Gnowangerup
Record Dur Sync Unc Resp Seismometer Recorder Pol
AALB 0.00 Seismograph details unknown
ABUS 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
GNOT P 30.10 0.05 1.68 30.18 -0.08 14.4 35 17.1 17.1
GNOT S 32.00 0.30 1.06 31.88 0.12 14.4 35 17.1 17.1
RKGY P 45.21 0.10 1.25 45.16 0.05 106.8 233 2.4 2.4
NWAO P 50.19 0.10 1.22 50.08 0.11 139.2 332 -30.8 30.8
NWAO S 66.10 1.00 0.70 66.20 -0.10 139.2 332 1.8 1.8
ABUS P 62.60 0.20 1.02 62.72 -0.12 238.3 279 -42.2 42.2
6 times used, S = 0.106
Deferred Data
GNOT S-P 1.50 2.00 0.81 1.70 -0.20 14.4 35 0.0 0.0
AALB P 47.65 0.10 1.25 45.02 2.63 106.0 180 2.2 2.2
RKGY S 58.20 1.00 0.71 57.25 0.95 106.8 233 2.4 2.4
PINW PG 59.20 0.20 0.97 59.26 -0.06 193.3 333 1.3 1.3
PINW SG 81.20 1.00 0.54 81.12 0.08 193.3 333 1.3 1.3
KLBR P 68.40 0.20 1.01 66.87 1.53 272.3 356 -42.2 42.2
KLBR S 98.10 1.00 0.66 96.05 2.05 272.3 356 -40.3 40.3
MUN P 68.50 0.20 1.00 67.69 0.81 279.1 324 -42.2 42.2
MUN S 98.80 1.00 0.65 97.47 1.33 279.1 324 -40.3 40.3
BLDU P 83.30 0.20 0.97 81.95 1.35 397.1 343 -42.2 42.2
MORW P 106.30 0.20 0.93 104.02 2.28 579.6 341 -42.2 42.2
Velocity Ratios
GNOT NWAO
GNOT 1.80 1.70
0.17 0.08
NWAO 1.70 1.71
0.08 0.05
Date 2019-12-29
Origin Time 1955 9.96 +- 2.31
Zone 50
Easting 583.79 +- 31.55 Longitude 117.908
Northing 6234.12 +- 21.15 Latitude -34.030
Depth 3.54 +- 67.52
Arrival times = 6 S.D. = 0.078 Seismographs = 3
Nearest recorder = 13.8 km Gap = 190.5 deg Accuracy = A
Effects Code = Imax = 0 Fault =
13 km SW (222 deg) of GNOT
WESTERN AUSTRALIA
300 km SE (141 deg) of PERTH
108 km N ( 2 deg) of ALBANY
14 km SW (218 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 P 12.26 0.05 1.69 12.29 -0.03 13.8 42 15.6 15.6
GNOT S 13.98 0.20 1.15 13.91 0.07 13.8 42 15.6 15.6
RKGY P 27.36 0.10 1.25 27.43 -0.07 107.0 232 2.1 2.1
RKGY S 39.74 1.00 0.71 39.54 0.19 107.0 232 2.1 2.1
NWAO P 32.14 0.10 1.23 32.12 0.02 137.5 332 -30.8 30.8
NWAO S 47.90 1.00 0.70 47.95 -0.05 137.5 332 1.6 1.6
6 times used, S = 0.078
Deferred Data
GNOT S-P 1.72 2.00 0.81 1.62 0.10 13.8 42 0.0 0.0
PINW SG 63.30 1.00 0.54 62.88 0.42 191.5 333 1.1 1.1
KLBR P 49.90 0.10 1.15 48.98 0.92 270.7 356 -42.2 42.2
KLBR S 78.90 1.00 0.65 78.06 0.84 270.7 356 -40.3 40.3
MUN S 81.40 1.00 0.65 79.45 1.95 277.4 324 -40.3 40.3
BLDU S 105.84 1.00 0.63 104.30 1.54 395.3 343 -40.3 40.3
Velocity Ratios
GNOT RKGY NWAO
GNOT 1.75 1.71 1.71
0.13 0.10 0.07
RKGY 1.71 1.71 0.00
0.10 0.07 0.00
NWAO 1.71 0.00 1.71
0.07 0.00 0.05