2025-07-25 23:57:34 (M4.6) western Indian-Antarctic Ridge -49.0 123.5 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.6 Earthquake - western Indian-Antarctic Ridge

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 25 Jul 2025 23:57:34 Time near the Epicenter (1): 26 Jul 2025 07:57:34 Time in your area (1): 25 Jul 2025 15:57:34
Location	48.953S 123.496E
Depth	10 km
Distances	1609.9 km (998.1 mi) SSE of Little Grove, Australia 1614.0 km (1000.7 mi) SSE of Albany, Australia 1828.6 km (1133.7 mi) SSE of Busselton, Australia 1853.9 km (1149.4 mi) SSE of Bunbury, Australia 1958.5 km (1214.3 mi) W of Hobart, Australia
Location Uncertainty	Horizontal: 12.8 km; Vertical 1.9 km
Parameters	Nph = 25; Dmin = 1854.9 km; Rmss = 0.92 seconds; Gp = 119° Version =
Event ID	us 6000qv8y

(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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