2026-05-25 16:12:57 (M4.9) South Sandwich Islands region -57.9 -25.8 (90be5)

M4.9 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 25 May 2026 16:12:58 Time near the Epicenter (1): 25 May 2026 14:12:58 Time in your area (1): 25 May 2026 08:12:58
Location	57.950S 25.766W
Depth	131 km
Distances	2522.4 km (1563.9 mi) SSW of Edinburgh of the Seven Seas, Saint Helena 2607.3 km (1616.5 mi) E of Ushuaia, Argentina 2622.1 km (1625.7 mi) E of Río Grande, Argentina 2829.2 km (1754.1 mi) E of Río Gallegos, Argentina 2842.8 km (1762.6 mi) E of Punta Arenas, Chile
Location Uncertainty	Horizontal: 12.9 km; Vertical 7.5 km
Parameters	Nph = 48; Dmin = 2147.5 km; Rmss = 1.03 seconds; Gp = 87° Version =
Event ID	us 6000t02k

(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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