2026-03-06 21:08:18 UPDATED: (M5.5) Rat Islands, Aleutian Islands, Alaska 52.1 176.3 (90be5)

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

Preliminary Report

Magnitude	5.5
Date-Time	Universal Time (UTC): 6 Mar 2026 21:08:19 Time near the Epicenter (1): 6 Mar 2026 11:08:19 Time in your area (1): 6 Mar 2026 13:08:19
Location	52.087N 176.314E
Depth	5 km
Distances	228.7 km (141.8 mi) ESE of Attu Station, Alaska 1110.7 km (688.7 mi) ESE of Klyuchi, Russia 1200.9 km (744.5 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1216.4 km (754.2 mi) ESE of Vilyuchinsk, Russia 1216.9 km (754.5 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 18.6 km; Vertical 0.0 km
Parameters	Nph = 55; Dmin = 155.7 km; Rmss = 1.00 seconds; Gp = 187° Version =
Event ID	ak a2026epcnuv

(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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