2026-03-16 10:44:45 (M3.1) Rat Islands, Aleutian Islands, Alaska 52.0 176.3 (90be5)

M3.1 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	3.1
Date-Time	Universal Time (UTC): 16 Mar 2026 10:44:46 Time near the Epicenter (1): 16 Mar 2026 00:44:46 Time in your area (1): 16 Mar 2026 02:44:46
Location	51.971N 176.277E
Depth	22 km
Distances	231.8 km (143.7 mi) ESE of Attu Station, Alaska 1115.3 km (691.5 mi) ESE of Klyuchi, Russia 1201.2 km (744.7 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1216.6 km (754.3 mi) ESE of Vilyuchinsk, Russia 1217.4 km (754.8 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 32.4 km; Vertical 13.0 km
Parameters	Nph = 20; Dmin = 155.7 km; Rmss = 0.80 seconds; Gp = 194° Version =
Event ID	ak a2026fgrcul

(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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