2026-09-15 01:27:54 (M3.1) south of the Aleutian Islands 49.9 -178.6 (90be5)

M3.1 Earthquake - south of the Aleutian Islands

Preliminary Report

Magnitude	3.1
Date-Time	Universal Time (UTC): 15 Sep 2026 01:27:55 Time near the Epicenter (1): 14 Sep 2026 15:27:55 Time in your area (1): 14 Sep 2026 17:27:55
Location	49.931N 178.637W
Depth	20 km
Distances	258.0 km (160.0 mi) SSW of Adak, Alaska 1538.4 km (953.8 mi) SE of Klyuchi, Russia 1609.5 km (997.9 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1623.7 km (1006.7 mi) ESE of Vilyuchinsk, Russia 1626.8 km (1008.6 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 7.5 km; Vertical 0.0 km
Parameters	Nph = 39; Dmin = 177.9 km; Rmss = 0.90 seconds; Gp = 280° Version =
Event ID	ak a2026sguoxw

(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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