2023-03-13 20:37:34 (M4.5) western Indian-Antarctic Ridge -48.8 121.2 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.5 Earthquake - western Indian-Antarctic Ridge

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 13 Mar 2023 20:37:34 Time near the Epicenter (1): 14 Mar 2023 04:37:34 Time in your area (1): 13 Mar 2023 12:37:34
Location	48.824S 121.178E
Depth	10 km
Distances	1551.9 km (962.2 mi) SSE of Little Grove, Australia 1556.3 km (964.9 mi) S of Albany, Australia 1753.1 km (1086.9 mi) SSE of Busselton, Australia 1781.6 km (1104.6 mi) SSE of Bunbury, Australia 1925.9 km (1194.1 mi) SSE of Perth, Australia
Location Uncertainty	Horizontal: 14.8 km; Vertical 1.9 km
Parameters	Nph = 21; Dmin = 1796.3 km; Rmss = 0.83 seconds; Gp = 98° Version =
Event ID	us 7000jjmw

(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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