2026-10-23 23:08:25 (M4.0) Fox Islands, Aleutian Islands, Alaska 53.5 -169.2 (90be5)

M4.0 Earthquake - Fox Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.0
Date-Time	Universal Time (UTC): 23 Oct 2026 23:08:25 Time near the Epicenter (1): 23 Oct 2026 15:08:25 Time in your area (1): 23 Oct 2026 15:08:25
Location	53.502N 169.170W
Depth	242 km
Distances	66.0 km (40.9 mi) NNW of Nikolski, Alaska 1434.4 km (889.3 mi) SW of Anchorage, Alaska 1455.6 km (902.4 mi) SW of Eagle River, Alaska 1458.8 km (904.5 mi) SSE of Anadyr, Russia 1464.1 km (907.8 mi) SW of Knik-Fairview, Alaska
Location Uncertainty	Horizontal: 10.8 km; Vertical 1.9 km
Parameters	Nph = 238; Dmin = 55.6 km; Rmss = 1.10 seconds; Gp = 114° Version =
Event ID	ak a2026vaqtor

(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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