2023-05-22 03:11:53 (M4.4) Rat Islands, Aleutian Islands, Alaska 51.8 178.4 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.4 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.4
Date-Time	Universal Time (UTC): 22 May 2023 03:11:53 Time near the Epicenter (1): 21 May 2023 17:11:53 Time in your area (1): 21 May 2023 19:11:53
Location	51.775N 178.370E
Depth	101 km
Distances	344.5 km (213.6 mi) W of Adak, Alaska 1249.9 km (774.9 mi) ESE of Klyuchi, Russia 1346.5 km (834.8 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1362.0 km (844.4 mi) ESE of Vilyuchinsk, Russia 1362.6 km (844.8 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 5.5 km; Vertical 5.3 km
Parameters	Nph = 47; Dmin = 24.5 km; Rmss = 0.56 seconds; Gp = 167° Version =
Event ID	us 6000kdt1

(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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