2026-03-04 13:26:59 UPDATED: (M5.3) Rat Islands, Aleutian Islands, Alaska 52.0 176.2 (70fa9)

M5.3 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 4 Mar 2026 13:27:00 Time near the Epicenter (1): 4 Mar 2026 03:27:00 Time in your area (1): 4 Mar 2026 18:57:00
Location	52.030N 176.165E
Depth	16 km
Distances	222.0 km (137.6 mi) ESE of Attu Station, Alaska 1105.3 km (685.3 mi) ESE of Klyuchi, Russia 1192.2 km (739.2 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1207.7 km (748.8 mi) ESE of Vilyuchinsk, Russia 1208.4 km (749.2 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 22.1 km; Vertical 6.0 km
Parameters	Nph = 52; Dmin = 155.7 km; Rmss = 1.50 seconds; Gp = 193° Version =
Event ID	ak a2026ekvups

(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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