2025-11-04 03:20:55 (M5.1) South Sandwich Islands region -55.8 -26.9 (70fa9)

M5.1 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 4 Nov 2025 03:20:56 Time near the Epicenter (1): 4 Nov 2025 01:20:56 Time in your area (1): 4 Nov 2025 08:50:56
Location	55.835S 26.863W
Depth	36 km
Distances	2355.8 km (1460.6 mi) SW of Edinburgh of the Seven Seas, Saint Helena 2594.4 km (1608.5 mi) ENE of Ushuaia, Argentina 2597.6 km (1610.5 mi) ENE of Río Grande, Argentina 2789.1 km (1729.2 mi) E of Río Gallegos, Argentina 2795.9 km (1733.4 mi) E of Puerto Deseado, Argentina
Location Uncertainty	Horizontal: 11.8 km; Vertical 8.9 km
Parameters	Nph = 44; Dmin = 639.0 km; Rmss = 0.93 seconds; Gp = 80° Version =
Event ID	us 6000rlb7

(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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