2021-12-11 08:12:48 UPDATED: (M4.0) Fox Islands, Aleutian Islands, Alaska 51.8 -171.6 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.0 Earthquake - Fox Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.0
Date-Time	11 Dec 2021 08:12:48 UTC 10 Dec 2021 22:12:48 near epicenter 11 Dec 2021 00:12:48 standard time in your timezone
Location	51.821N 171.605W
Depth	34 km
Distances	183.0 km (113.5 mi) ESE of Atka, Alaska 1568.5 km (972.5 mi) SSE of Anadyr, Russia 1683.3 km (1043.6 mi) SW of Anchorage, Alaska 1704.5 km (1056.8 mi) SW of Eagle River, Alaska 1713.2 km (1062.2 mi) SW of Knik-Fairview, Alaska
Location Uncertainty	Horizontal: 5.2 km; Vertical 6.8 km
Parameters	Nph = 66; Dmin = 161.5 km; Rmss = 1.22 seconds; Gp = 194° Version =
Event ID	us 6000gbh0 ***This event supersedes event AK021fup90ah.

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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