2026-03-04 02:54:02 (M4.5) Rat Islands, Aleutian Islands, Alaska 52.0 176.2 (90be5)

M4.5 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 4 Mar 2026 02:54:03 Time near the Epicenter (1): 3 Mar 2026 16:54:03 Time in your area (1): 3 Mar 2026 18:54:03
Location	51.982N 176.170E
Depth	15 km
Distances	224.6 km (139.3 mi) ESE of Attu Station, Alaska 1108.4 km (687.2 mi) ESE of Klyuchi, Russia 1193.7 km (740.1 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1209.1 km (749.7 mi) ESE of Vilyuchinsk, Russia 1210.0 km (750.2 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 25.1 km; Vertical 6.3 km
Parameters	Nph = 48; Dmin = 155.7 km; Rmss = 1.20 seconds; Gp = 195° Version =
Event ID	ak a2026ekauub

(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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