2025-12-12 13:56:00 (M5.2) South Sandwich Islands region -59.6 -26.4 (90be5)

M5.2 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 12 Dec 2025 13:56:01 Time near the Epicenter (1): 12 Dec 2025 11:56:01 Time in your area (1): 12 Dec 2025 05:56:01
Location	59.605S 26.358W
Depth	96 km
Distances	2499.2 km (1549.5 mi) E of Tolhuin, Argentina 2545.7 km (1578.3 mi) E of Ushuaia, Argentina 2569.0 km (1592.8 mi) E of Río Grande, Argentina 2786.6 km (1727.7 mi) E of Punta Arenas, Chile 2786.6 km (1727.7 mi) E of Río Gallegos, Argentina
Location Uncertainty	Horizontal: 12.1 km; Vertical 7.1 km
Parameters	Nph = 66; Dmin = 854.6 km; Rmss = 0.47 seconds; Gp = 86° Version =
Event ID	us 6000ruex

(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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