2025-10-30 06:39:41 (M5.0) South Sandwich Islands region -55.6 -26.2 (90be5)

M5.0 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 30 Oct 2025 06:39:41 Time near the Epicenter (1): 30 Oct 2025 04:39:41 Time in your area (1): 29 Oct 2025 22:39:41
Location	55.603S 26.191W
Depth	10 km
Distances	2311.0 km (1432.8 mi) SSW of Edinburgh of the Seven Seas, Saint Helena 2641.9 km (1638.0 mi) ENE of Ushuaia, Argentina 2644.4 km (1639.6 mi) ENE of Río Grande, Argentina 2834.7 km (1757.5 mi) E of Río Gallegos, Argentina 2837.3 km (1759.1 mi) E of Puerto Deseado, Argentina
Location Uncertainty	Horizontal: 12.5 km; Vertical 1.9 km
Parameters	Nph = 40; Dmin = 676.1 km; Rmss = 0.79 seconds; Gp = 91° Version =
Event ID	us 6000rkbr

(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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