2021-03-18 09:56:20 (M4.3) Rat Islands, Aleutian Islands, Alaska 51.6 178.6 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.3 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.3
Date-Time	18 Mar 2021 09:56:21 UTC 17 Mar 2021 23:56:21 near epicenter 18 Mar 2021 01:56:21 standard time in your timezone
Location	51.640N 178.592E
Depth	88 km
Distances	330.6 km (205.0 mi) W of Adak, Alaska 1270.7 km (787.9 mi) ESE of Klyuchi, Russia 1363.5 km (845.4 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1380.4 km (855.9 mi) ESE of Vilyuchinsk, Russia 1381.2 km (856.3 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 12.2 km; Vertical 11.2 km
Parameters	Nph = 50; Dmin = 295.0 km; Rmss = 0.87 seconds; Gp = 201° Version =
Event ID	us 7000dkkg

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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