2026-02-22 08:19:34 (M4.2) Andreanof Islands, Aleutian Islands, Alaska 51.4 -177.5 (90be5)

M4.2 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.2
Date-Time	Universal Time (UTC): 22 Feb 2026 08:19:35 Time near the Epicenter (1): 21 Feb 2026 22:19:35 Time in your area (1): 22 Feb 2026 00:19:35
Location	51.391N 177.505W
Depth	45 km
Distances	80.8 km (50.1 mi) SW of Adak, Alaska 1513.8 km (938.6 mi) S of Anadyr, Russia 1518.7 km (941.6 mi) ESE of Klyuchi, Russia 1633.7 km (1012.9 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1649.5 km (1022.7 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 11.6 km; Vertical 7.7 km
Parameters	Nph = 73; Dmin = 44.5 km; Rmss = 0.50 seconds; Gp = 205° Version =
Event ID	ak a2026dscigy

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
Alaska Earthquake Center
Geophysical Institute, University of Alaska Fairbanks

https://earthquake.alaska.edu

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