2023-07-21 22:05:52 (M4.0) Rat Islands, Aleutian Islands, Alaska 51.6 175.7 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

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

Preliminary Report

Magnitude	4.0
Date-Time	Universal Time (UTC): 21 Jul 2023 22:05:52 Time near the Epicenter (1): 21 Jul 2023 12:05:52 Time in your area (1): 21 Jul 2023 14:05:52
Location	51.649N 175.732E
Depth	27 km
Distances	219.1 km (135.8 mi) SE of Attu Station, Alaska 1103.2 km (684.0 mi) SE of Klyuchi, Russia 1173.1 km (727.3 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1188.0 km (736.5 mi) ESE of Vilyuchinsk, Russia 1189.8 km (737.7 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 0.0 km; Vertical 1.1 km
Parameters	Nph = 28; Dmin = 0.0 km; Rmss = 0.65 seconds; Gp = 0° Version = 1
Event ID	ak 0239afoypz

(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
Alaska Earthquake Center
Geophysical Institute, University of Alaska Fairbanks

https://earthquake.alaska.edu

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