2023-04-17 09:02:56 (M4.9) Western Australia -18.1 120.3 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.9 Earthquake - Western Australia

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 17 Apr 2023 09:02:57 Time near the Epicenter (1): 17 Apr 2023 17:02:57 Time in your area (1): 17 Apr 2023 01:02:57
Location	18.130S 120.289E
Depth	10 km
Distances	204.6 km (126.8 mi) W of Cable Beach, Australia 308.2 km (191.1 mi) NE of South Hedland, Australia 462.6 km (286.8 mi) NE of Karratha, Australia 581.5 km (360.5 mi) N of Newman, Australia 950.6 km (589.4 mi) SSW of Kupang, Indonesia
Location Uncertainty	Horizontal: 7.1 km; Vertical 1.9 km
Parameters	Nph = 33; Dmin = 340.1 km; Rmss = 0.98 seconds; Gp = 66° Version =
Event ID	us 6000k505

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


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