2025-08-05 11:04:08 (M5.1) Andreanof Islands, Aleutian Islands, Alaska 51.8 -177.4 (70fa9)

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

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 5 Aug 2025 11:04:09 Time near the Epicenter (1): 5 Aug 2025 01:04:09 Time in your area (1): 5 Aug 2025 16:34:09
Location	51.818N 177.424W
Depth	85 km
Distances	54.8 km (34.0 mi) W of Adak, Alaska 1467.8 km (910.1 mi) S of Anadyr, Russia 1500.7 km (930.4 mi) ESE of Klyuchi, Russia 1626.8 km (1008.6 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1642.1 km (1018.1 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 9.1 km; Vertical 5.9 km
Parameters	Nph = 92; Dmin = 19.2 km; Rmss = 0.98 seconds; Gp = 127° Version =
Event ID	us 6000qy8a

(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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