2026-02-23 19:14:49 (M4.6) Andreanof Islands, Aleutian Islands, Alaska 51.4 -178.4 (90be5)

M4.6 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 23 Feb 2026 19:14:49 Time near the Epicenter (1): 23 Feb 2026 09:14:49 Time in your area (1): 23 Feb 2026 11:14:49
Location	51.358N 178.431W
Depth	39 km
Distances	137.1 km (85.0 mi) WSW of Adak, Alaska 1464.6 km (908.1 mi) ESE of Klyuchi, Russia 1508.2 km (935.1 mi) S of Anadyr, Russia 1572.7 km (975.1 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1588.4 km (984.8 mi) ESE of Vilyuchinsk, Russia
Location Uncertainty	Horizontal: 8.4 km; Vertical 4.9 km
Parameters	Nph = 68; Dmin = 33.4 km; Rmss = 1.00 seconds; Gp = 201° Version =
Event ID	ak a2026duttxn

(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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