2026-04-16 15:40:59 (M3.3) Andreanof Islands, Aleutian Islands, Alaska 51.5 -172.6 (90be5)

M3.3 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	3.3
Date-Time	Universal Time (UTC): 16 Apr 2026 15:41:00 Time near the Epicenter (1): 16 Apr 2026 05:41:00 Time in your area (1): 16 Apr 2026 07:41:00
Location	51.522N 172.629W
Depth	83 km
Distances	131.7 km (81.7 mi) SE of Atka, Alaska 1577.7 km (978.2 mi) SSE of Anadyr, Russia 1756.1 km (1088.8 mi) SW of Anchorage, Alaska 1777.2 km (1101.9 mi) SW of Eagle River, Alaska 1785.6 km (1107.1 mi) SW of Knik-Fairview, Alaska
Location Uncertainty	Horizontal: 42.3 km; Vertical 32.4 km
Parameters	Nph = 24; Dmin = 133.4 km; Rmss = 0.70 seconds; Gp = 249° Version =
Event ID	ak a2026hlylwy

(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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