From: mailto: == PRELIMINARY REPORT ==

Event type: Earthquake Region: Andreanof Islands, Aleutian Islands, Alaska Geographic coordinates: 51 174N, 178 008W Magnitude: 5 6 Depth: 19 km Universal Time (UTC): 21 Sep 2025 09:30:28 Time near the Epicenter (1): 20 Sep 2025 23:30:28 Time in your area (1): 21 Sep 2025 19:30:28

Location with respect to nearby cities: 123 1 km (76 3 mi) SW of Adak, Alaska 1500 5 km (930 3 mi) ESE of Klyuchi, Russia 1532 5 km (950 2 mi) S of Anadyr, Russia 1606 8 km (996 2 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1622 4 km (1005 9 mi) ESE of Vilyuchinsk, Russia

ADDITIONAL PARAMETERS

event ID : ak 025c4rf0bd

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/ak025c4rf0bd?utm_medium=email&utm_source=ENS&utm_campaign=realtime or https://earthquake usgs gov/

Alaska Earthquake Center Geophysical Institute, University of Alaska Fairbanks

https://earthquake alaska edu

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