2025-09-24 13:36:30 (M5.1) South Sandwich Islands region -58.0 -25.5 (70fa9)

M5.1 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 24 Sep 2025 13:36:31 Time near the Epicenter (1): 24 Sep 2025 11:36:31 Time in your area (1): 24 Sep 2025 19:06:31
Location	58.029S 25.498W
Depth	76 km
Distances	2522.5 km (1564.0 mi) SSW of Edinburgh of the Seven Seas, Saint Helena 2621.2 km (1625.2 mi) E of Ushuaia, Argentina 2636.6 km (1634.7 mi) E of Río Grande, Argentina 2844.3 km (1763.5 mi) E of Río Gallegos, Argentina 2857.1 km (1771.4 mi) E of Punta Arenas, Chile
Location Uncertainty	Horizontal: 10.7 km; Vertical 7.1 km
Parameters	Nph = 73; Dmin = 799.8 km; Rmss = 0.83 seconds; Gp = 82° Version =
Event ID	us 6000rcin

(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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