2025-10-25 16:31:14 (M5.3) southeast Indian Ridge -45.2 96.7 (70fa9)

M5.3 Earthquake - southeast Indian Ridge

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 25 Oct 2025 16:31:14 Time near the Epicenter (1): 25 Oct 2025 22:31:14 Time in your area (1): 25 Oct 2025 22:01:14
Location	45.243S 96.746E
Depth	10 km
Distances	1981.9 km (1228.8 mi) WSW of Augusta, Australia 2045.3 km (1268.1 mi) WSW of Busselton, Australia 2090.2 km (1295.9 mi) WSW of Bunbury, Australia 2098.8 km (1301.3 mi) WSW of Australind, Australia 2214.3 km (1372.9 mi) SW of Perth, Australia
Location Uncertainty	Horizontal: 8.1 km; Vertical 1.8 km
Parameters	Nph = 102; Dmin = 2048.3 km; Rmss = 0.43 seconds; Gp = 44° Version =
Event ID	us 6000rjgf

(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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