2021-07-04 19:05:22 (M3.9) Andreanof Islands, Aleutian Islands, Alaska 51.3 -178.0 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M3.9 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	3.9
Date-Time	4 Jul 2021 19:05:23 UTC 4 Jul 2021 09:05:23 near epicenter 4 Jul 2021 11:05:23 standard time in your timezone
Location	51.288N 177.956W
Depth	48 km
Distances	112.5 km (69.7 mi) SW of Adak, Alaska 1497.1 km (928.2 mi) ESE of Klyuchi, Russia 1520.4 km (942.6 mi) S of Anadyr, Russia 1605.2 km (995.2 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1622.3 km (1005.8 mi) ESE of Vilyuchinsk, Russia
Location Uncertainty	Horizontal: 7.4 km; Vertical 16.7 km
Parameters	Nph = 29; Dmin = 83.5 km; Rmss = 0.84 seconds; Gp = 219° Version =
Event ID	us 7000eipt

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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