2026-04-23 05:30:59 (M5.0) South Sandwich Islands region -57.1 -24.5 (70fa9)

M5.0 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 23 Apr 2026 05:31:00 Time near the Epicenter (1): 23 Apr 2026 03:31:00 Time in your area (1): 23 Apr 2026 11:01:00
Location	57.100S 24.509W
Depth	10 km
Distances	2403.4 km (1490.1 mi) SSW of Edinburgh of the Seven Seas, Saint Helena 2700.7 km (1674.4 mi) ENE of Ushuaia, Argentina 2711.8 km (1681.3 mi) E of Río Grande, Argentina 2913.8 km (1806.6 mi) E of Río Gallegos, Argentina 2933.6 km (1818.8 mi) ENE of Punta Arenas, Chile
Location Uncertainty	Horizontal: 12.6 km; Vertical 1.7 km
Parameters	Nph = 38; Dmin = 815.5 km; Rmss = 0.93 seconds; Gp = 134° Version =
Event ID	us 6000ss8w

(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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