2026-03-05 04:01:31 (M4.0) Rat Islands, Aleutian Islands, Alaska 51.8 176.2 (90be5)

M4.0 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.0
Date-Time	Universal Time (UTC): 5 Mar 2026 04:01:31 Time near the Epicenter (1): 4 Mar 2026 18:01:31 Time in your area (1): 4 Mar 2026 20:01:31
Location	51.751N 176.214E
Depth	10 km
Distances	239.8 km (148.7 mi) ESE of Attu Station, Alaska 1124.7 km (697.3 mi) ESE of Klyuchi, Russia 1202.6 km (745.6 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1217.7 km (755.0 mi) ESE of Vilyuchinsk, Russia 1219.1 km (755.8 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 15.8 km; Vertical 0.0 km
Parameters	Nph = 41; Dmin = 155.7 km; Rmss = 0.90 seconds; Gp = 208° Version =
Event ID	ak a2026elytpr

(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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