2025-08-31 16:24:25 (M5.6) South Sandwich Islands region -58.5 -25.6 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M5.6 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	5.6
Date-Time	Universal Time (UTC): 31 Aug 2025 16:24:26 Time near the Epicenter (1): 31 Aug 2025 14:24:26 Time in your area (1): 31 Aug 2025 08:24:26
Location	58.493S 25.568W
Depth	56 km
Distances	2558.5 km (1586.3 mi) E of Tolhuin, Argentina 2570.1 km (1593.4 mi) SSW of Edinburgh of the Seven Seas, Saint Helena 2608.0 km (1617.0 mi) E of Ushuaia, Argentina 2625.8 km (1628.0 mi) E of Río Grande, Argentina 2836.5 km (1758.6 mi) E of Río Gallegos, Argentina
Location Uncertainty	Horizontal: 11.6 km; Vertical 8.1 km
Parameters	Nph = 39; Dmin = 820.8 km; Rmss = 0.67 seconds; Gp = 55° Version =
Event ID	us 7000qsu5

(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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