2023-08-04 14:26:53 UPDATED: (M4.0) Rat Islands, Aleutian Islands, Alaska 51.8 178.2 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

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

Preliminary Report

Magnitude	4.0
Date-Time	Universal Time (UTC): 4 Aug 2023 14:26:54 Time near the Epicenter (1): 4 Aug 2023 04:26:54 Time in your area (1): 4 Aug 2023 06:26:54
Location	51.783N 178.225E
Depth	113 km
Distances	354.5 km (219.8 mi) W of Adak, Alaska 1240.8 km (769.3 mi) ESE of Klyuchi, Russia 1336.5 km (828.6 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1352.0 km (838.2 mi) ESE of Vilyuchinsk, Russia 1352.6 km (838.6 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 8.5 km; Vertical 4.6 km
Parameters	Nph = 95; Dmin = 27.0 km; Rmss = 0.47 seconds; Gp = 161° Version =
Event ID	us 6000kxun ***This event supersedes event AK0239xgkpwt.

(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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