2023-05-25 16:11:38 (M4.6) western Indian-Antarctic Ridge -49.6 116.2 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.6 Earthquake - western Indian-Antarctic Ridge

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 25 May 2023 16:11:39 Time near the Epicenter (1): 26 May 2023 00:11:39 Time in your area (1): 25 May 2023 08:11:39
Location	49.570S 116.171E
Depth	10 km
Distances	1616.8 km (1002.4 mi) S of Little Grove, Australia 1621.5 km (1005.3 mi) S of Albany, Australia 1769.2 km (1096.9 mi) S of Busselton, Australia 1804.5 km (1118.8 mi) S of Bunbury, Australia 1956.6 km (1213.1 mi) S of Perth, Australia
Location Uncertainty	Horizontal: 6.2 km; Vertical 1.9 km
Parameters	Nph = 35; Dmin = 1851.2 km; Rmss = 0.45 seconds; Gp = 70° Version =
Event ID	us 7000k3xg

(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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