2026-02-01 12:43:08 UPDATED: (M5.1) Andreanof Islands, Aleutian Islands, Alaska 51.8 -176.0 (90be5)

M5.1 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 1 Feb 2026 12:43:08 Time near the Epicenter (1): 1 Feb 2026 02:43:08 Time in your area (1): 1 Feb 2026 04:43:08
Location	51.834N 176.011W
Depth	59 km
Distances	43.2 km (26.8 mi) E of Adak, Alaska 1484.4 km (920.3 mi) SSE of Anadyr, Russia 1586.1 km (983.4 mi) ESE of Klyuchi, Russia 1720.7 km (1066.8 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1735.7 km (1076.1 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 6.8 km; Vertical 4.6 km
Parameters	Nph = 114; Dmin = 18.0 km; Rmss = 0.79 seconds; Gp = 108° Version =
Event ID	us 6000s5ul ***This event supersedes event AK2026cfwuww.

(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
National Earthquake Information Center
U.S. Geological Survey


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