2026-03-17 20:21:00 (M3.3) Rat Islands, Aleutian Islands, Alaska 52.0 176.3 (90be5)

M3.3 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	3.3
Date-Time	Universal Time (UTC): 17 Mar 2026 20:21:00 Time near the Epicenter (1): 17 Mar 2026 10:21:00 Time in your area (1): 17 Mar 2026 12:21:00
Location	52.022N 176.283E
Depth	16 km
Distances	229.7 km (142.4 mi) ESE of Attu Station, Alaska 1112.7 km (689.9 mi) ESE of Klyuchi, Russia 1200.3 km (744.2 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1215.8 km (753.8 mi) ESE of Vilyuchinsk, Russia 1216.5 km (754.2 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 31.2 km; Vertical 7.8 km
Parameters	Nph = 27; Dmin = 155.7 km; Rmss = 1.10 seconds; Gp = 191° Version =
Event ID	ak a2026fjfymm

(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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