2025-12-15 18:03:53 UPDATED: (M5.0) Andreanof Islands, Aleutian Islands, Alaska 51.5 -176.5 (90be5)

M5.0 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 15 Dec 2025 18:03:53 Time near the Epicenter (1): 15 Dec 2025 08:03:53 Time in your area (1): 15 Dec 2025 10:03:53
Location	51.518N 176.454W
Depth	56 km
Distances	41.5 km (25.7 mi) SSE of Adak, Alaska 1512.7 km (937.9 mi) S of Anadyr, Russia 1575.6 km (976.9 mi) ESE of Klyuchi, Russia 1700.2 km (1054.1 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1715.7 km (1063.7 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 4.6 km; Vertical 2.8 km
Parameters	Nph = 113; Dmin = 38.5 km; Rmss = 0.73 seconds; Gp = 136° Version =
Event ID	us 6000rv18 ***This event supersedes event AK2025yqeqgg.

(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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