2023-04-20 14:25:22 (M4.0) Near Islands, Aleutian Islands, Alaska 52.7 172.5 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

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

Preliminary Report

Magnitude	4.0
Date-Time	Universal Time (UTC): 20 Apr 2023 14:25:22 Time near the Epicenter (1): 20 Apr 2023 04:25:22 Time in your area (1): 20 Apr 2023 06:25:22
Location	52.718N 172.492E
Depth	10 km
Distances	49.0 km (30.4 mi) WSW of Attu Station, Alaska 852.6 km (528.6 mi) ESE of Klyuchi, Russia 932.5 km (578.1 mi) E of Petropavlovsk-Kamchatsky, Russia 948.2 km (587.9 mi) E of Yelizovo, Russia 948.4 km (588.0 mi) E of Vilyuchinsk, Russia
Location Uncertainty	Horizontal: 7.8 km; Vertical 1.9 km
Parameters	Nph = 27; Dmin = 108.8 km; Rmss = 0.56 seconds; Gp = 188° Version =
Event ID	us 6000k5sq

(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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