2021-12-29 09:50:52 (M4.4) Near Islands, Aleutian Islands, Alaska 54.4 170.5 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.4 Earthquake - Near Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.4
Date-Time	29 Dec 2021 09:50:52 UTC 29 Dec 2021 21:50:52 near epicenter 29 Dec 2021 01:50:52 standard time in your timezone
Location	54.377N 170.525E
Depth	10 km
Distances	245.0 km (151.9 mi) NW of Attu Station, Alaska 650.4 km (403.2 mi) ESE of Klyuchi, Russia 797.8 km (494.7 mi) E of Petropavlovsk-Kamchatsky, Russia 810.2 km (502.3 mi) E of Yelizovo, Russia 816.3 km (506.1 mi) E of Vilyuchinsk, Russia
Location Uncertainty	Horizontal: 4.2 km; Vertical 1.9 km
Parameters	Nph = 50; Dmin = 299.9 km; Rmss = 0.49 seconds; Gp = 60° Version =
Event ID	us 6000gg31

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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