2023-10-16 10:43:58 UPDATED: (M4.3) Rat Islands, Aleutian Islands, Alaska 51.7 176.6 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.3 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.3
Date-Time	Universal Time (UTC): 16 Oct 2023 10:43:59 Time near the Epicenter (1): 16 Oct 2023 00:43:59 Time in your area (1): 16 Oct 2023 02:43:59
Location	51.697N 176.590E
Depth	19 km
Distances	265.2 km (164.4 mi) ESE of Attu Station, Alaska 1149.8 km (712.9 mi) ESE of Klyuchi, Russia 1229.2 km (762.1 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1244.3 km (771.5 mi) ESE of Vilyuchinsk, Russia 1245.7 km (772.4 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 6.3 km; Vertical 8.6 km
Parameters	Nph = 33; Dmin = 135.6 km; Rmss = 0.38 seconds; Gp = 205° Version =
Event ID	us 6000lfx7 ***This event supersedes event AK023da4j2g.

(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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