2021-02-20 04:14:11 UPDATED: (M4.0) Andreanof Islands, Aleutian Islands, Alaska 51.0 -179.4 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

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

Preliminary Report

Magnitude	4.0
Date-Time	20 Feb 2021 04:14:12 UTC 19 Feb 2021 18:14:12 near epicenter 19 Feb 2021 20:14:12 standard time in your timezone
Location	50.960N 179.376W
Depth	28 km
Distances	216.1 km (134.0 mi) WSW of Adak, Alaska 1431.1 km (887.3 mi) ESE of Klyuchi, Russia 1520.6 km (942.8 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1537.2 km (953.0 mi) ESE of Vilyuchinsk, Russia 1538.6 km (954.0 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 4.9 km; Vertical 11.6 km
Parameters	Nph = 28; Dmin = 76.8 km; Rmss = 0.66 seconds; Gp = 229° Version =
Event ID	us 6000djl0 ***This event supersedes event AK0212cevgto.

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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