2026-09-21 19:32:47 (M3.1) Alaska Peninsula 56.7 -155.4 (90be5)

M3.1 Earthquake - Alaska Peninsula

Preliminary Report

Magnitude	3.1
Date-Time	Universal Time (UTC): 21 Sep 2026 19:32:48 Time near the Epicenter (1): 21 Sep 2026 11:32:48 Time in your area (1): 21 Sep 2026 11:32:48
Location	56.687N 155.354W
Depth	46 km
Distances	77.7 km (48.2 mi) WSW of Akhiok, Alaska 593.9 km (368.2 mi) SSW of Anchorage, Alaska 613.6 km (380.4 mi) SSW of Eagle River, Alaska 630.1 km (390.7 mi) SSW of Knik-Fairview, Alaska 1253.2 km (777.0 mi) WSW of Whitehorse, Canada
Location Uncertainty	Horizontal: 7.7 km; Vertical 24.1 km
Parameters	Nph = 56; Dmin = 111.2 km; Rmss = 0.40 seconds; Gp = 195° Version =
Event ID	ak a2026stgwir

(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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