2025-12-04 03:12:08 (M5.3) Pacific-Antarctic Ridge -55.4 -128.0 (70fa9)

M5.3 Earthquake - Pacific-Antarctic Ridge

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 4 Dec 2025 03:12:08 Time near the Epicenter (1): 3 Dec 2025 18:12:08 Time in your area (1): 4 Dec 2025 08:42:08
Location	55.417S 128.024W
Depth	10 km
Distances	3479.5 km (2157.3 mi) SSW of Hanga Roa, Chile 3601.6 km (2233.0 mi) WNW of Puerto Natales, Chile 3622.5 km (2246.0 mi) WNW of Punta Arenas, Chile 3691.6 km (2288.8 mi) WNW of Ushuaia, Argentina 3778.4 km (2342.6 mi) WNW of Río Grande, Argentina
Location Uncertainty	Horizontal: 15.2 km; Vertical 1.9 km
Parameters	Nph = 45; Dmin = 3492.1 km; Rmss = 1.04 seconds; Gp = 116° Version =
Event ID	us 7000rfg1

(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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