From: mailto: == PRELIMINARY REPORT ==

*This event has been revised

Event type: Earthquake Region: South Sandwich Islands region Geographic coordinates: 58 415S, 25 592W Magnitude: 5 9 Depth: 84 km Universal Time (UTC): 31 Aug 2025 16:24:29 Time near the Epicenter (1): 31 Aug 2025 14:24:29 Time in your area (1): 1 Sep 2025 02:24:29

Location with respect to nearby cities: 2558 4 km (1586 2 mi) E of Tolhuin, Argentina 2563 1 km (1589 1 mi) SSW of Edinburgh of the Seven Seas, Saint Helena 2608 1 km (1617 0 mi) E of Ushuaia, Argentina 2625 4 km (1627 8 mi) E of Río Grande, Argentina 2835 6 km (1758 1 mi) E of Río Gallegos, Argentina

ADDITIONAL PARAMETERS

event ID : us 7000qsu5

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/us7000qsu5?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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