2026-09-18 01:07:40 (M3.9) Fox Islands, Aleutian Islands, Alaska 52.1 -169.2 (90be5)

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

Preliminary Report

Magnitude	3.9
Date-Time	Universal Time (UTC): 18 Sep 2026 01:07:40 Time near the Epicenter (1): 17 Sep 2026 15:07:40 Time in your area (1): 17 Sep 2026 17:07:40
Location	52.104N 169.209W
Depth	12 km
Distances	95.9 km (59.4 mi) SSW of Nikolski, Alaska 1549.0 km (960.4 mi) SW of Anchorage, Alaska 1570.2 km (973.5 mi) SW of Eagle River, Alaska 1580.1 km (979.7 mi) SW of Knik-Fairview, Alaska 1599.3 km (991.5 mi) SSE of Anadyr, Russia
Location Uncertainty	Horizontal: 6.9 km; Vertical 3.3 km
Parameters	Nph = 56; Dmin = 89.0 km; Rmss = 0.80 seconds; Gp = 217° Version =
Event ID	ak a2026smhykh

(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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