2026-03-04 15:59:44 (M3.1) Rat Islands, Aleutian Islands, Alaska 51.2 180.0 (90be5)

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

Preliminary Report

Magnitude	3.1
Date-Time	Universal Time (UTC): 4 Mar 2026 15:59:45 Time near the Epicenter (1): 4 Mar 2026 05:59:45 Time in your area (1): 4 Mar 2026 07:59:45
Location	51.227N 179.988E
Depth	4 km
Distances	245.1 km (152.0 mi) WSW of Adak, Alaska 1377.6 km (854.1 mi) ESE of Klyuchi, Russia 1470.8 km (911.9 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1486.0 km (921.3 mi) ESE of Vilyuchinsk, Russia 1487.2 km (922.1 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 13.5 km; Vertical 5.1 km
Parameters	Nph = 28; Dmin = 55.6 km; Rmss = 0.70 seconds; Gp = 218° Version =
Event ID	ak a2026elaurb

(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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