2026-08-31 03:40:39 (M3.1) south of Alaska 54.8 -156.8 (90be5)

M3.1 Earthquake - south of Alaska

Preliminary Report

Magnitude	3.1
Date-Time	Universal Time (UTC): 31 Aug 2026 03:40:40 Time near the Epicenter (1): 30 Aug 2026 17:40:40 Time in your area (1): 30 Aug 2026 19:40:40
Location	54.778N 156.819W
Depth	4 km
Distances	194.1 km (120.4 mi) SE of Perryville, Alaska 824.7 km (511.3 mi) SSW of Anchorage, Alaska 844.1 km (523.4 mi) SSW of Eagle River, Alaska 861.0 km (533.8 mi) SSW of Knik-Fairview, Alaska 1425.2 km (883.7 mi) WSW of Juneau, Alaska
Location Uncertainty	Horizontal: 10.7 km; Vertical 5.6 km
Parameters	Nph = 27; Dmin = 144.6 km; Rmss = 0.90 seconds; Gp = 235° Version =
Event ID	ak a2026rfgrdq

(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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