From: mailto: == PRELIMINARY REPORT ==

Event type: Earthquake Region: South Sandwich Islands region Geographic coordinates: 56 183S, 26 492W Magnitude: 5 4 Depth: 44 km Universal Time (UTC): 11 Oct 2025 08:06:44 Time near the Epicenter (1): 11 Oct 2025 06:06:44 Time in your area (1): 11 Oct 2025 18:06:44

Location with respect to nearby cities: 2375 6 km (1472 9 mi) SSW of Edinburgh of the Seven Seas, Saint Helena 2607 0 km (1616 3 mi) ENE of Ushuaia, Argentina 2612 3 km (1619 6 mi) ENE of Río Grande, Argentina 2806 6 km (1740 1 mi) E of Río Gallegos, Argentina 2820 6 km (1748 8 mi) E of Puerto Deseado, Argentina

ADDITIONAL PARAMETERS

event ID : us 6000rgil

This event has been reviewed by a seismologist

(1) Nominal Standard Time; local and daylight savings time zone may differ For subsequent updates, maps, and technical information, see: https://earthquake usgs gov/earthquakes/eventpage/us6000rgil?utm_medium=email&utm_source=ENS&utm_campaign=realtime or https://earthquake usgs gov/

National Earthquake Information Center U S Geological Survey

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