2026-06-23 15:03:22 (M3.4) Rat Islands, Aleutian Islands, Alaska 52.0 176.3 (90be5)

M3.4 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	3.4
Date-Time	Universal Time (UTC): 23 Jun 2026 15:03:22 Time near the Epicenter (1): 23 Jun 2026 05:03:22 Time in your area (1): 23 Jun 2026 07:03:22
Location	51.974N 176.292E
Depth	70 km
Distances	232.6 km (144.2 mi) ESE of Attu Station, Alaska 1116.0 km (691.9 mi) ESE of Klyuchi, Russia 1202.1 km (745.3 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1217.5 km (754.9 mi) ESE of Vilyuchinsk, Russia 1218.3 km (755.4 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 28.9 km; Vertical 10.8 km
Parameters	Nph = 32; Dmin = 155.7 km; Rmss = 1.80 seconds; Gp = 341° Version =
Event ID	ak a2026mirxwc

(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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