2021-07-26 18:08:38 (M4.0) Andreanof Islands, Aleutian Islands, Alaska 51.3 -176.7 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

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

Preliminary Report

Magnitude	4.0
Date-Time	26 Jul 2021 18:08:39 UTC 26 Jul 2021 08:08:39 near epicenter 26 Jul 2021 10:08:39 standard time in your timezone
Location	51.269N 176.668W
Depth	35 km
Distances	67.3 km (41.7 mi) S of Adak, Alaska 1537.1 km (953.0 mi) S of Anadyr, Russia 1576.1 km (977.2 mi) ESE of Klyuchi, Russia 1692.1 km (1049.1 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1709.3 km (1059.7 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 7.0 km; Vertical 2.0 km
Parameters	Nph = 49; Dmin = 68.3 km; Rmss = 0.73 seconds; Gp = 205° Version =
Event ID	us 6000ez9i

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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