2025-09-08 03:09:58 (M5.1) east of the South Sandwich Islands -58.3 -15.9 (70fa9)

M5.1 Earthquake - east of the South Sandwich Islands

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 8 Sep 2025 03:09:59 Time near the Epicenter (1): 8 Sep 2025 02:09:59 Time in your area (1): 8 Sep 2025 08:39:59
Location	58.341S 15.864W
Depth	10 km
Distances	2379.5 km (1475.3 mi) S of Edinburgh of the Seven Seas, Saint Helena 3164.5 km (1962.0 mi) ENE of Ushuaia, Argentina 3186.3 km (1975.5 mi) ENE of Río Grande, Argentina 3400.7 km (2108.4 mi) E of Río Gallegos, Argentina 3404.7 km (2110.9 mi) ENE of Punta Arenas, Chile
Location Uncertainty	Horizontal: 12.6 km; Vertical 1.9 km
Parameters	Nph = 69; Dmin = 1602.4 km; Rmss = 0.70 seconds; Gp = 101° Version =
Event ID	us 7000qunb

(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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