2025-08-28 17:59:59 (M3.9) Andreanof Islands, Aleutian Islands, Alaska 52.0 -172.7 (90be5)

M3.9 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	3.9
Date-Time	Universal Time (UTC): 28 Aug 2025 17:59:59 Time near the Epicenter (1): 28 Aug 2025 07:59:59 Time in your area (1): 28 Aug 2025 09:59:59
Location	51.988N 172.730W
Depth	50 km
Distances	103.4 km (64.1 mi) ESE of Atka, Alaska 1526.2 km (946.3 mi) SSE of Anadyr, Russia 1723.6 km (1068.6 mi) SW of Anchorage, Alaska 1744.7 km (1081.7 mi) SW of Eagle River, Alaska 1752.6 km (1086.6 mi) SW of Knik-Fairview, Alaska
Location Uncertainty	Horizontal: 0.0 km; Vertical 3.8 km
Parameters	Nph = 41; Dmin = 0.0 km; Rmss = 0.57 seconds; Gp = 0° Version = 1
Event ID	ak 025b17gfn4

(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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