2023-02-23 17:27:35 UPDATED: (M4.0) Andreanof Islands, Aleutian Islands, Alaska 51.2 -179.1 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

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

Preliminary Report

Magnitude	4.0
Date-Time	Universal Time (UTC): 23 Feb 2023 17:27:35 Time near the Epicenter (1): 23 Feb 2023 07:27:35 Time in your area (1): 23 Feb 2023 09:27:35
Location	51.200N 179.099W
Depth	41 km
Distances	186.7 km (115.8 mi) WSW of Adak, Alaska 1433.6 km (888.8 mi) ESE of Klyuchi, Russia 1520.2 km (942.5 mi) S of Anadyr, Russia 1532.9 km (950.4 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1548.3 km (959.9 mi) ESE of Vilyuchinsk, Russia
Location Uncertainty	Horizontal: 5.5 km; Vertical 10.6 km
Parameters	Nph = 56; Dmin = 44.2 km; Rmss = 0.89 seconds; Gp = 208° Version =
Event ID	us 6000jr2i ***This event supersedes event AK0232hlaz0t.

(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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