2023-12-20 02:04:51 UPDATED: (M4.3) Andreanof Islands, Aleutian Islands, Alaska 51.2 -178.1 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.3 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.3
Date-Time	Universal Time (UTC): 20 Dec 2023 02:04:52 Time near the Epicenter (1): 19 Dec 2023 16:04:52 Time in your area (1): 19 Dec 2023 18:04:52
Location	51.154N 178.118W
Depth	39 km
Distances	130.5 km (80.9 mi) SW of Adak, Alaska 1495.0 km (926.9 mi) ESE of Klyuchi, Russia 1533.6 km (950.9 mi) S of Anadyr, Russia 1600.1 km (992.1 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1615.6 km (1001.7 mi) ESE of Vilyuchinsk, Russia
Location Uncertainty	Horizontal: 5.8 km; Vertical 20.9 km
Parameters	Nph = 48; Dmin = 65.8 km; Rmss = 0.75 seconds; Gp = 227° Version =
Event ID	us 7000lk87 ***This event supersedes event AK023g9hgozq.

(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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