2021-12-03 10:29:05 (M4.8) Rat Islands, Aleutian Islands, Alaska 52.1 178.2 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.8 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.8
Date-Time	3 Dec 2021 10:29:06 UTC 3 Dec 2021 00:29:06 near epicenter 3 Dec 2021 02:29:06 standard time in your timezone
Location	52.142N 178.247E
Depth	128 km
Distances	352.4 km (218.5 mi) ESE of Attu Station, Alaska 1222.1 km (757.7 mi) ESE of Klyuchi, Russia 1329.0 km (824.0 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1344.7 km (833.7 mi) ESE of Yelizovo, Russia 1344.9 km (833.8 mi) ESE of Vilyuchinsk, Russia
Location Uncertainty	Horizontal: 7.4 km; Vertical 4.7 km
Parameters	Nph = 123; Dmin = 30.5 km; Rmss = 0.63 seconds; Gp = 59° Version =
Event ID	us 6000g8p6

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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