From: mailto: == PRELIMINARY REPORT ==

Event type: Earthquake Region: Rat Islands, Aleutian Islands, Alaska Geographic coordinates: 51 923N, 178 337E Magnitude: 5 5 Depth: 109 km Universal Time (UTC): 13 Dec 2025 10:51:00 Time near the Epicenter (1): 13 Dec 2025 00:51:00 Time in your area (1): 13 Dec 2025 20:51:00

Location with respect to nearby cities: 346 1 km (214 6 mi) W of Adak, Alaska 1239 6 km (768 5 mi) ESE of Klyuchi, Russia 1340 4 km (831 1 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1356 1 km (840 8 mi) ESE of Vilyuchinsk, Russia 1356 3 km (840 9 mi) ESE of Yelizovo, Russia

ADDITIONAL PARAMETERS

event ID : us 6000rumi

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/us6000rumi?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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