2026-04-01 07:39:27 (M3.1) Andreanof Islands, Aleutian Islands, Alaska 51.2 -177.1 (90be5)

M3.1 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	3.1
Date-Time	Universal Time (UTC): 1 Apr 2026 07:39:27 Time near the Epicenter (1): 31 Mar 2026 21:39:27 Time in your area (1): 31 Mar 2026 23:39:27
Location	51.237N 177.115W
Depth	28 km
Distances	78.3 km (48.6 mi) SSW of Adak, Alaska 1535.2 km (951.8 mi) S of Anadyr, Russia 1550.8 km (961.5 mi) ESE of Klyuchi, Russia 1664.6 km (1032.1 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1680.4 km (1041.8 mi) ESE of Vilyuchinsk, Russia
Location Uncertainty	Horizontal: 9.8 km; Vertical 5.4 km
Parameters	Nph = 32; Dmin = 55.6 km; Rmss = 0.60 seconds; Gp = 256° Version =
Event ID	ak a2026gjupdm

(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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