2025-09-06 20:40:41 UPDATED: (M5.4) Fox Islands, Aleutian Islands, Alaska 52.4 -169.5 (70fa9)

M5.4 Earthquake - Fox Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 6 Sep 2025 20:40:41 Time near the Epicenter (1): 6 Sep 2025 10:40:41 Time in your area (1): 7 Sep 2025 02:10:41
Location	52.350N 169.540W
Depth	23 km
Distances	80.0 km (49.6 mi) SW of Nikolski, Alaska 1543.8 km (957.2 mi) SW of Anchorage, Alaska 1565.0 km (970.3 mi) SW of Eagle River, Alaska 1565.2 km (970.4 mi) SSE of Anadyr, Russia 1574.5 km (976.2 mi) SW of Knik-Fairview, Alaska
Location Uncertainty	Horizontal: 6.6 km; Vertical 5.8 km
Parameters	Nph = 61; Dmin = 83.4 km; Rmss = 1.11 seconds; Gp = 80° Version =
Event ID	us 7000qug7

(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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