2021-08-22 11:45:04 (M4.9) Andreanof Islands, Aleutian Islands, Alaska 51.5 -178.3 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.9 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.9
Date-Time	22 Aug 2021 11:45:04 UTC 22 Aug 2021 01:45:04 near epicenter 22 Aug 2021 03:45:04 standard time in your timezone
Location	51.474N 178.347W
Depth	53 km
Distances	126.6 km (78.5 mi) WSW of Adak, Alaska 1463.2 km (907.2 mi) ESE of Klyuchi, Russia 1496.2 km (927.6 mi) S of Anadyr, Russia 1573.4 km (975.5 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1590.6 km (986.2 mi) ESE of Vilyuchinsk, Russia
Location Uncertainty	Horizontal: 5.6 km; Vertical 6.2 km
Parameters	Nph = 74; Dmin = 49.8 km; Rmss = 0.90 seconds; Gp = 138° Version =
Event ID	us 6000f9mn

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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