2026-08-30 03:55:28 (M5.1) South Sandwich Islands region -56.5 -27.0 (70fa9)

M5.1 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 30 Aug 2026 03:55:29 Time near the Epicenter (1): 30 Aug 2026 01:55:29 Time in your area (1): 30 Aug 2026 09:25:29
Location	56.458S 27.003W
Depth	135 km
Distances	2418.4 km (1499.4 mi) SSW of Edinburgh of the Seven Seas, Saint Helena 2568.9 km (1592.7 mi) ENE of Ushuaia, Argentina 2575.3 km (1596.7 mi) E of Río Grande, Argentina 2771.3 km (1718.2 mi) E of Río Gallegos, Argentina 2790.7 km (1730.2 mi) E of Puerto Deseado, Argentina
Location Uncertainty	Horizontal: 11.9 km; Vertical 8.1 km
Parameters	Nph = 48; Dmin = 648.3 km; Rmss = 0.85 seconds; Gp = 71° Version =
Event ID	us 7000tcwd

(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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