2021-12-04 17:58:16 UPDATED: (M3.8) Rat Islands, Aleutian Islands, Alaska 50.9 179.6 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M3.8 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	3.8
Date-Time	4 Dec 2021 17:58:16 UTC 4 Dec 2021 07:58:16 near epicenter 4 Dec 2021 09:58:16 standard time in your timezone
Location	50.932N 179.568E
Depth	27 km
Distances	284.3 km (176.3 mi) WSW of Adak, Alaska 1370.3 km (849.6 mi) ESE of Klyuchi, Russia 1452.2 km (900.4 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1467.0 km (909.6 mi) ESE of Vilyuchinsk, Russia 1469.0 km (910.8 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 5.8 km; Vertical 11.0 km
Parameters	Nph = 48; Dmin = 53.0 km; Rmss = 0.54 seconds; Gp = 259° Version =
Event ID	us 6000g92j ***This event supersedes event AK021fja451o.

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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