2023-01-21 15:37:42 UPDATED: (M4.0) Andreanof Islands, Aleutian Islands, Alaska 51.1 -179.2 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.0 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.0
Date-Time	21 Jan 2023 15:37:42 UTC 21 Jan 2023 05:37:42 near epicenter 21 Jan 2023 07:37:42 standard time in your timezone
Location	51.120N 179.218W
Depth	35 km
Distances	198.1 km (122.8 mi) WSW of Adak, Alaska 1431.1 km (887.3 mi) ESE of Klyuchi, Russia 1527.5 km (947.0 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1528.1 km (947.4 mi) S of Anadyr, Russia 1542.7 km (956.5 mi) ESE of Vilyuchinsk, Russia
Location Uncertainty	Horizontal: 3.7 km; Vertical 2.0 km
Parameters	Nph = 37; Dmin = 55.9 km; Rmss = 0.93 seconds; Gp = 214° Version =
Event ID	us 7000j63n ***This event supersedes event AK023yzftdj.

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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