2025-09-12 20:20:50 (M3.4) south of Alaska 54.9 -156.1 (90be5)

M3.4 Earthquake - south of Alaska

Preliminary Report

Magnitude	3.4
Date-Time	Universal Time (UTC): 12 Sep 2025 20:20:51 Time near the Epicenter (1): 12 Sep 2025 10:20:51 Time in your area (1): 12 Sep 2025 12:20:51
Location	54.852N 156.137W
Depth	57 km
Distances	215.0 km (133.3 mi) SE of Chignik, Alaska 798.2 km (494.9 mi) SSW of Anchorage, Alaska 817.2 km (506.7 mi) SSW of Eagle River, Alaska 834.7 km (517.5 mi) SSW of Knik-Fairview, Alaska 1382.0 km (856.9 mi) WSW of Juneau, Alaska
Location Uncertainty	Horizontal: 0.0 km; Vertical 12.7 km
Parameters	Nph = 10; Dmin = 0.0 km; Rmss = 0.37 seconds; Gp = 0° Version = 1
Event ID	ak 025bq22k90

(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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