2021-12-12 12:41:08 (M4.5) Unimak Island region, Alaska 53.7 -164.9 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.5 Earthquake - Unimak Island region, Alaska

Preliminary Report

Magnitude	4.5
Date-Time	12 Dec 2021 12:41:09 UTC 12 Dec 2021 03:41:09 near epicenter 12 Dec 2021 04:41:09 standard time in your timezone
Location	53.749N 164.949W
Depth	47 km
Distances	69.2 km (42.9 mi) SE of Akutan, Alaska 1222.1 km (757.7 mi) SW of Anchorage, Alaska 1243.3 km (770.9 mi) SW of Eagle River, Alaska 1254.5 km (777.8 mi) SW of Knik-Fairview, Alaska 1569.9 km (973.4 mi) SSE of Anadyr, Russia
Location Uncertainty	Horizontal: 6.9 km; Vertical 8.0 km
Parameters	Nph = 128; Dmin = 69.1 km; Rmss = 0.97 seconds; Gp = 152° Version =
Event ID	us 6000gbn0

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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