From: mailto: == PRELIMINARY REPORT ==

Event type: Earthquake Region: South Sandwich Islands region Geographic coordinates: 58 851S, 26 557W Magnitude: 5 4 Depth: 158 km Universal Time (UTC): 21 Aug 2026 13:06:41 Time near the Epicenter (1): 21 Aug 2026 11:06:41 Time in your area (1): 21 Aug 2026 23:06:41

Location with respect to nearby cities: 2496 4 km (1547 8 mi) E of Tolhuin, Argentina 2545 1 km (1578 0 mi) E of Ushuaia, Argentina 2564 4 km (1589 9 mi) E of Río Grande, Argentina 2777 2 km (1721 9 mi) E of Río Gallegos, Argentina 2783 6 km (1725 8 mi) E of Punta Arenas, Chile

ADDITIONAL PARAMETERS

event ID : us 6000tmft

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/us6000tmft?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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