2025-08-28 11:07:47 UPDATED: (M5.8) Rat Islands, Aleutian Islands, Alaska 51.9 179.9 (70fa9)

M5.8 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	5.8
Date-Time	Universal Time (UTC): 28 Aug 2025 11:07:47 Time near the Epicenter (1): 28 Aug 2025 01:07:47 Time in your area (1): 28 Aug 2025 16:37:47
Location	51.908N 179.915E
Depth	135 km
Distances	237.6 km (147.3 mi) W of Adak, Alaska 1334.8 km (827.6 mi) ESE of Klyuchi, Russia 1435.2 km (889.8 mi) S of Anadyr, Russia 1446.4 km (896.8 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1462.1 km (906.5 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 0.0 km; Vertical 0.5 km
Parameters	Nph = 75; Dmin = 0.0 km; Rmss = 0.89 seconds; Gp = 0° Version = 1
Event ID	ak 025b13knw9

(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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