2021-10-06 03:42:22 (M4.5) Unimak Island region, Alaska 53.5 -163.5 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.5 Earthquake - Unimak Island region, Alaska

Preliminary Report

Magnitude	4.5
Date-Time	6 Oct 2021 03:42:22 UTC 5 Oct 2021 17:42:22 near epicenter 5 Oct 2021 19:42:22 standard time in your timezone
Location	53.477N 163.518W
Depth	12 km
Distances	153.5 km (95.2 mi) S of False Pass, Alaska 1185.2 km (734.8 mi) SW of Anchorage, Alaska 1206.2 km (747.9 mi) SW of Eagle River, Alaska 1218.8 km (755.6 mi) SW of Knik-Fairview, Alaska 1646.4 km (1020.8 mi) SSE of Anadyr, Russia
Location Uncertainty	Horizontal: 5.0 km; Vertical 5.5 km
Parameters	Nph = 88; Dmin = 138.1 km; Rmss = 0.87 seconds; Gp = 164° Version =
Event ID	us 6000fs72

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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