2026-08-28 15:04:11 (M3.5) Andreanof Islands, Aleutian Islands, Alaska 51.2 -178.2 (90be5)

M3.5 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	3.5
Date-Time	Universal Time (UTC): 28 Aug 2026 15:04:11 Time near the Epicenter (1): 28 Aug 2026 05:04:11 Time in your area (1): 28 Aug 2026 07:04:11
Location	51.196N 178.250W
Depth	26 km
Distances	135.1 km (83.8 mi) SW of Adak, Alaska 1484.7 km (920.5 mi) ESE of Klyuchi, Russia 1527.7 km (947.2 mi) S of Anadyr, Russia 1589.9 km (985.7 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1605.4 km (995.3 mi) ESE of Vilyuchinsk, Russia
Location Uncertainty	Horizontal: 6.7 km; Vertical 2.9 km
Parameters	Nph = 60; Dmin = 55.6 km; Rmss = 0.60 seconds; Gp = 211° Version =
Event ID	ak a2026rapjuq

(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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