2023-08-16 22:19:36 UPDATED: (M4.0) Andreanof Islands, Aleutian Islands, Alaska 52.2 -179.9 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

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

Preliminary Report

Magnitude	4.0
Date-Time	Universal Time (UTC): 16 Aug 2023 22:19:36 Time near the Epicenter (1): 16 Aug 2023 12:19:36 Time in your area (1): 16 Aug 2023 14:19:36
Location	52.176N 179.940W
Depth	216 km
Distances	229.3 km (142.2 mi) W of Adak, Alaska 1329.4 km (824.2 mi) ESE of Klyuchi, Russia 1406.4 km (871.9 mi) S of Anadyr, Russia 1449.5 km (898.7 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1464.8 km (908.2 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 14.2 km; Vertical 11.4 km
Parameters	Nph = 40; Dmin = 36.9 km; Rmss = 0.45 seconds; Gp = 114° Version =
Event ID	us 7000knwc ***This event supersedes event AK023ahfqujd.

(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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