2023-12-21 19:28:29 UPDATED: (M5.0) Andreanof Islands, Aleutian Islands, Alaska 51.3 -175.3 (70fa9)

M5.0 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 21 Dec 2023 19:28:30 Time near the Epicenter (1): 21 Dec 2023 09:28:30 Time in your area (1): 22 Dec 2023 00:58:30
Location	51.272N 175.260W
Depth	25 km
Distances	116.5 km (72.2 mi) SE of Adak, Alaska 1556.7 km (965.2 mi) SSE of Anadyr, Russia 1661.6 km (1030.2 mi) ESE of Klyuchi, Russia 1787.6 km (1108.3 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1803.1 km (1117.9 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 5.0 km; Vertical 5.4 km
Parameters	Nph = 93; Dmin = 92.0 km; Rmss = 0.76 seconds; Gp = 139° Version =
Event ID	us 7000lkq6 ***This event supersedes event AK023gbf9iaq.

(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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