2023-07-31 14:56:36 (M4.3) Rat Islands, Aleutian Islands, Alaska 52.3 179.2 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

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

Preliminary Report

Magnitude	4.3
Date-Time	Universal Time (UTC): 31 Jul 2023 14:56:37 Time near the Epicenter (1): 31 Jul 2023 04:56:37 Time in your area (1): 31 Jul 2023 06:56:37
Location	52.283N 179.187E
Depth	183 km
Distances	290.0 km (179.8 mi) W of Adak, Alaska 1271.1 km (788.1 mi) ESE of Klyuchi, Russia 1388.6 km (860.9 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1390.2 km (861.9 mi) S of Anadyr, Russia 1404.0 km (870.5 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 6.4 km; Vertical 6.5 km
Parameters	Nph = 91; Dmin = 286.8 km; Rmss = 0.72 seconds; Gp = 55° Version =
Event ID	us 6000kwuz

(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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