2025-08-29 09:14:24 UPDATED: (M5.5) Rat Islands, Aleutian Islands, Alaska 51.6 179.6 (70fa9)

M5.5 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	5.5
Date-Time	Universal Time (UTC): 29 Aug 2025 09:14:25 Time near the Epicenter (1): 28 Aug 2025 23:14:25 Time in your area (1): 29 Aug 2025 14:44:25
Location	51.616N 179.579E
Depth	77 km
Distances	263.1 km (163.1 mi) W of Adak, Alaska 1330.8 km (825.1 mi) ESE of Klyuchi, Russia 1431.8 km (887.7 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1447.4 km (897.4 mi) ESE of Vilyuchinsk, Russia 1447.9 km (897.7 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 0.0 km; Vertical 0.5 km
Parameters	Nph = 67; Dmin = 0.0 km; Rmss = 0.84 seconds; Gp = 0° Version = 1
Event ID	ak 025b2pylgm

(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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