2026-02-23 09:42:35 UPDATED: (M3.9) Fox Islands, Aleutian Islands, Alaska 52.5 -169.8 (90be5)

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

Preliminary Report

Magnitude	3.9
Date-Time	Universal Time (UTC): 23 Feb 2026 09:42:36 Time near the Epicenter (1): 22 Feb 2026 23:42:36 Time in your area (1): 23 Feb 2026 01:42:36
Location	52.481N 169.771W
Depth	15 km
Distances	79.9 km (49.5 mi) SW of Nikolski, Alaska 1543.9 km (957.2 mi) SW of Anchorage, Alaska 1545.6 km (958.3 mi) SSE of Anadyr, Russia 1565.1 km (970.3 mi) SW of Eagle River, Alaska 1574.3 km (976.1 mi) SW of Knik-Fairview, Alaska
Location Uncertainty	Horizontal: 5.5 km; Vertical 7.1 km
Parameters	Nph = 84; Dmin = 34.3 km; Rmss = 1.17 seconds; Gp = 180° Version =
Event ID	us 6000sb0k ***This event supersedes event AKa2026duausr.

(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
National Earthquake Information Center
U.S. Geological Survey


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