2026-02-23 21:29:00 UPDATED: (M4.1) Fox Islands, Aleutian Islands, Alaska 52.4 -169.8 (90be5)

M4.1 Earthquake - Fox Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.1
Date-Time	Universal Time (UTC): 23 Feb 2026 21:29:01 Time near the Epicenter (1): 23 Feb 2026 11:29:01 Time in your area (1): 23 Feb 2026 13:29:01
Location	52.448N 169.828W
Depth	8 km
Distances	85.2 km (52.8 mi) SW of Nikolski, Alaska 1547.5 km (959.4 mi) SSE of Anadyr, Russia 1549.2 km (960.5 mi) SW of Anchorage, Alaska 1570.4 km (973.7 mi) SW of Eagle River, Alaska 1579.6 km (979.4 mi) SW of Knik-Fairview, Alaska
Location Uncertainty	Horizontal: 4.2 km; Vertical 5.3 km
Parameters	Nph = 62; Dmin = 39.1 km; Rmss = 0.53 seconds; Gp = 186° Version =
Event ID	us 7000rzvm ***This event supersedes event AKa2026duyfsf.

(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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