2026-08-02 16:27:48 (M4.1) Rat Islands, Aleutian Islands, Alaska 51.9 176.2 (90be5)

M4.1 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.1
Date-Time	Universal Time (UTC): 2 Aug 2026 16:27:48 Time near the Epicenter (1): 2 Aug 2026 06:27:48 Time in your area (1): 2 Aug 2026 08:27:48
Location	51.934N 176.222E
Depth	5 km
Distances	230.2 km (142.8 mi) ESE of Attu Station, Alaska 1114.3 km (690.8 mi) ESE of Klyuchi, Russia 1198.4 km (743.0 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1213.7 km (752.5 mi) ESE of Vilyuchinsk, Russia 1214.7 km (753.1 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 24.3 km; Vertical 0.0 km
Parameters	Nph = 30; Dmin = 155.7 km; Rmss = 0.90 seconds; Gp = 197° Version =
Event ID	ak a2026perpqc

(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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