2025-06-10 04:07:23 (M5.4) South Sandwich Islands region -55.4 -28.1 (70fa9)

M5.4 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 10 Jun 2025 04:07:24 Time near the Epicenter (1): 10 Jun 2025 02:07:24 Time in your area (1): 10 Jun 2025 09:37:24
Location	55.363S 28.127W
Depth	35 km
Distances	2359.2 km (1462.7 mi) SW of Edinburgh of the Seven Seas, Saint Helena 2531.0 km (1569.2 mi) ENE of Río Grande, Argentina 2531.1 km (1569.3 mi) ENE of Ushuaia, Argentina 2714.2 km (1682.8 mi) E of Puerto Deseado, Argentina 2717.8 km (1685.1 mi) E of Río Gallegos, Argentina
Location Uncertainty	Horizontal: 11.1 km; Vertical 1.9 km
Parameters	Nph = 67; Dmin = 550.9 km; Rmss = 0.87 seconds; Gp = 66° Version =
Event ID	us 6000qja6

(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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