2025-12-01 22:21:07 UPDATED: (M5.1) Andreanof Islands, Aleutian Islands, Alaska 51.6 -173.4 (70fa9)

M5.1 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 1 Dec 2025 22:21:08 Time near the Epicenter (1): 1 Dec 2025 12:21:08 Time in your area (1): 2 Dec 2025 03:51:08
Location	51.601N 173.398W
Depth	35 km
Distances	86.2 km (53.5 mi) SE of Atka, Alaska 1553.9 km (963.4 mi) SSE of Anadyr, Russia 1758.3 km (1090.2 mi) ESE of Klyuchi, Russia 1786.5 km (1107.7 mi) SW of Anchorage, Alaska 1807.6 km (1120.7 mi) SW of Eagle River, Alaska
Location Uncertainty	Horizontal: 5.6 km; Vertical 1.9 km
Parameters	Nph = 77; Dmin = 86.6 km; Rmss = 0.70 seconds; Gp = 106° Version =
Event ID	us 7000rez4 ***This event supersedes event AK2025xquzsz.

(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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