2026-05-28 00:25:20 UPDATED: (M5.6) Andreanof Islands, Aleutian Islands, Alaska 51.5 -175.9 (70fa9)

M5.6 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	5.6
Date-Time	Universal Time (UTC): 28 May 2026 00:25:21 Time near the Epicenter (1): 27 May 2026 14:25:21 Time in your area (1): 28 May 2026 05:55:21
Location	51.501N 175.852W
Depth	22 km
Distances	68.2 km (42.3 mi) SE of Adak, Alaska 1522.9 km (944.2 mi) SSE of Anadyr, Russia 1613.2 km (1000.2 mi) ESE of Klyuchi, Russia 1741.0 km (1079.4 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1756.3 km (1088.9 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 5.3 km; Vertical 2.7 km
Parameters	Nph = 80; Dmin = 55.6 km; Rmss = 0.70 seconds; Gp = 201° Version =
Event ID	ak a2026klobnd

(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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