2025-04-05 11:29:14 (M5.4) South Sandwich Islands region -57.3 -25.6 (70fa9)

M5.4 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 5 Apr 2025 11:29:15 Time near the Epicenter (1): 5 Apr 2025 09:29:15 Time in your area (1): 5 Apr 2025 16:59:15
Location	57.320S 25.591W
Depth	50 km
Distances	2456.0 km (1522.7 mi) SSW of Edinburgh of the Seven Seas, Saint Helena 2631.5 km (1631.5 mi) ENE of Ushuaia, Argentina 2643.2 km (1638.8 mi) E of Río Grande, Argentina 2846.0 km (1764.6 mi) E of Río Gallegos, Argentina 2864.8 km (1776.2 mi) E of Punta Arenas, Chile
Location Uncertainty	Horizontal: 11.2 km; Vertical 7.0 km
Parameters	Nph = 69; Dmin = 762.2 km; Rmss = 1.18 seconds; Gp = 82° Version =
Event ID	us 6000q48d

(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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