2025-12-15 00:43:17 (M5.2) South Sandwich Islands region -58.7 -25.7 (90be5)

M5.2 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 15 Dec 2025 00:43:18 Time near the Epicenter (1): 14 Dec 2025 22:43:18 Time in your area (1): 14 Dec 2025 16:43:18
Location	58.717S 25.723W
Depth	94 km
Distances	2546.2 km (1578.6 mi) E of Tolhuin, Argentina 2595.1 km (1609.0 mi) E of Ushuaia, Argentina 2613.9 km (1620.6 mi) E of Río Grande, Argentina 2826.1 km (1752.2 mi) E of Río Gallegos, Argentina 2833.3 km (1756.6 mi) E of Punta Arenas, Chile
Location Uncertainty	Horizontal: 12.1 km; Vertical 7.1 km
Parameters	Nph = 48; Dmin = 826.0 km; Rmss = 0.56 seconds; Gp = 75° Version =
Event ID	us 6000ruvy

(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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