2021-12-10 19:45:16 UPDATED: (M4.5) Rat Islands, Aleutian Islands, Alaska 51.8 178.3 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

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

Preliminary Report

Magnitude	4.5
Date-Time	10 Dec 2021 19:45:17 UTC 10 Dec 2021 09:45:17 near epicenter 10 Dec 2021 11:45:17 standard time in your timezone
Location	51.846N 178.281E
Depth	8 km
Distances	350.2 km (217.1 mi) W of Adak, Alaska 1240.6 km (769.2 mi) ESE of Klyuchi, Russia 1338.6 km (830.0 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1354.2 km (839.6 mi) ESE of Vilyuchinsk, Russia 1354.7 km (839.9 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 5.5 km; Vertical 4.5 km
Parameters	Nph = 146; Dmin = 19.5 km; Rmss = 0.76 seconds; Gp = 130° Version =
Event ID	us 6000gb9w ***This event supersedes event AV91441336.

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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