2023-10-20 20:54:48 UPDATED: (M4.1) Andreanof Islands, Aleutian Islands, Alaska 52.4 -174.0 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.1 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.1
Date-Time	Universal Time (UTC): 20 Oct 2023 20:54:48 Time near the Epicenter (1): 20 Oct 2023 10:54:48 Time in your area (1): 20 Oct 2023 12:54:48
Location	52.385N 174.033W
Depth	116 km
Distances	23.9 km (14.8 mi) NNE of Atka, Alaska 1457.9 km (903.9 mi) SSE of Anadyr, Russia 1680.6 km (1042.0 mi) ESE of Klyuchi, Russia 1756.3 km (1088.9 mi) SW of Anchorage, Alaska 1777.2 km (1101.9 mi) SW of Eagle River, Alaska
Location Uncertainty	Horizontal: 11.0 km; Vertical 3.9 km
Parameters	Nph = 56; Dmin = 4.7 km; Rmss = 0.71 seconds; Gp = 105° Version =
Event ID	us 6000lh10 ***This event supersedes event AK023dgwp18.

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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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