2023-12-20 01:54:11 (M4.7) Andreanof Islands, Aleutian Islands, Alaska 51.1 -178.0 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.7 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.7
Date-Time	Universal Time (UTC): 20 Dec 2023 01:54:11 Time near the Epicenter (1): 19 Dec 2023 15:54:11 Time in your area (1): 19 Dec 2023 17:54:11
Location	51.108N 178.048W
Depth	20 km
Distances	130.0 km (80.6 mi) SW of Adak, Alaska 1501.8 km (931.1 mi) ESE of Klyuchi, Russia 1539.3 km (954.4 mi) S of Anadyr, Russia 1606.2 km (995.9 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1621.7 km (1005.4 mi) ESE of Vilyuchinsk, Russia
Location Uncertainty	Horizontal: 5.0 km; Vertical 5.2 km
Parameters	Nph = 72; Dmin = 72.8 km; Rmss = 0.88 seconds; Gp = 122° Version =
Event ID	us 7000lk85

(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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