2026-04-17 13:13:15 UPDATED: (M3.4) Andreanof Islands, Aleutian Islands, Alaska 51.2 -179.1 (90be5)

M3.4 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	3.4
Date-Time	Universal Time (UTC): 17 Apr 2026 13:13:15 Time near the Epicenter (1): 17 Apr 2026 03:13:15 Time in your area (1): 17 Apr 2026 05:13:15
Location	51.211N 179.106W
Depth	27 km
Distances	186.6 km (115.7 mi) WSW of Adak, Alaska 1432.5 km (888.1 mi) ESE of Klyuchi, Russia 1518.8 km (941.7 mi) S of Anadyr, Russia 1532.1 km (949.9 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1547.4 km (959.4 mi) ESE of Vilyuchinsk, Russia
Location Uncertainty	Horizontal: 4.0 km; Vertical 10.8 km
Parameters	Nph = 31; Dmin = 43.2 km; Rmss = 0.83 seconds; Gp = 210° Version =
Event ID	us 6000sqzb ***This event supersedes event AKa2026hnpgwn.

(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
National Earthquake Information Center
U.S. Geological Survey


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