2021-12-29 16:35:23 (M4.5) Near Islands, Aleutian Islands, Alaska 54.7 170.7 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.5 Earthquake - Near Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.5
Date-Time	29 Dec 2021 16:35:24 UTC 30 Dec 2021 04:35:24 near epicenter 29 Dec 2021 08:35:24 standard time in your timezone
Location	54.676N 170.650E
Depth	10 km
Distances	263.4 km (163.3 mi) NW of Attu Station, Alaska 645.5 km (400.2 mi) ESE of Klyuchi, Russia 809.8 km (502.1 mi) E of Petropavlovsk-Kamchatsky, Russia 821.5 km (509.3 mi) E of Yelizovo, Russia 828.6 km (513.8 mi) E of Vilyuchinsk, Russia
Location Uncertainty	Horizontal: 10.6 km; Vertical 1.9 km
Parameters	Nph = 137; Dmin = 314.6 km; Rmss = 1.01 seconds; Gp = 81° Version =
Event ID	us 6000gg5m

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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