2026-02-27 05:17:54 (M4.9) Andreanof Islands, Aleutian Islands, Alaska 51.7 -174.9 (90be5)

M4.9 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 27 Feb 2026 05:17:55 Time near the Epicenter (1): 26 Feb 2026 19:17:55 Time in your area (1): 26 Feb 2026 21:17:55
Location	51.738N 174.903W
Depth	54 km
Distances	70.2 km (43.5 mi) SW of Atka, Alaska 1512.1 km (937.5 mi) SSE of Anadyr, Russia 1658.9 km (1028.5 mi) ESE of Klyuchi, Russia 1797.3 km (1114.3 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1812.3 km (1123.6 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 7.9 km; Vertical 7.2 km
Parameters	Nph = 67; Dmin = 70.8 km; Rmss = 0.95 seconds; Gp = 177° Version =
Event ID	us 7000s0nl

(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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