2021-04-22 23:25:04 (M3.9) Unimak Island region, Alaska 53.5 -163.4 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M3.9 Earthquake - Unimak Island region, Alaska

Preliminary Report

Magnitude	3.9
Date-Time	22 Apr 2021 23:25:04 UTC 22 Apr 2021 13:25:04 near epicenter 22 Apr 2021 15:25:04 standard time in your timezone
Location	53.457N 163.425W
Depth	16 km
Distances	155.5 km (96.4 mi) S of False Pass, Alaska 1183.1 km (733.5 mi) SW of Anchorage, Alaska 1204.2 km (746.6 mi) SW of Eagle River, Alaska 1216.8 km (754.4 mi) SW of Knik-Fairview, Alaska 1651.7 km (1024.0 mi) SSE of Anadyr, Russia
Location Uncertainty	Horizontal: 7.2 km; Vertical 8.2 km
Parameters	Nph = 41; Dmin = 143.5 km; Rmss = 0.83 seconds; Gp = 203° Version =
Event ID	us 6000e3t8

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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