From: mailto: == PRELIMINARY REPORT ==

Event type: Earthquake Region: Andreanof Islands, Aleutian Islands, Alaska Geographic coordinates: 51 276N, 176 996W Magnitude: 5 0 Depth: 35 km Universal Time (UTC): 20 Oct 2025 18:45:26 Time near the Epicenter (1): 20 Oct 2025 08:45:26 Time in your area (1): 21 Oct 2025 04:45:26

Location with respect to nearby cities: 71 1 km (44 1 mi) SSW of Adak, Alaska 1532 3 km (950 0 mi) S of Anadyr, Russia 1555 8 km (964 6 mi) ESE of Klyuchi, Russia 1671 4 km (1036 2 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1687 1 km (1046 0 mi) ESE of Yelizovo, Russia

ADDITIONAL PARAMETERS

event ID : us 6000ric9

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/us6000ric9?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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