2026-03-24 20:59:34 (M5.5) Rat Islands, Aleutian Islands, Alaska 51.9 176.0 (70fa9)

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

Preliminary Report

Magnitude	5.5
Date-Time	Universal Time (UTC): 24 Mar 2026 20:59:34 Time near the Epicenter (1): 24 Mar 2026 10:59:34 Time in your area (1): 25 Mar 2026 02:29:34
Location	51.919N 176.032E
Depth	15 km
Distances	219.5 km (136.1 mi) ESE of Attu Station, Alaska 1104.1 km (684.5 mi) ESE of Klyuchi, Russia 1186.0 km (735.3 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1201.3 km (744.8 mi) ESE of Vilyuchinsk, Russia 1202.4 km (745.5 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 11.9 km; Vertical 6.1 km
Parameters	Nph = 91; Dmin = 155.7 km; Rmss = 1.20 seconds; Gp = 202° Version =
Event ID	ak a2026fwdhul

(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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