2025-05-04 11:01:14 (M4.2) Andreanof Islands, Aleutian Islands, Alaska 51.1 -178.9 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.2 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.2
Date-Time	Universal Time (UTC): 4 May 2025 11:01:14 Time near the Epicenter (1): 4 May 2025 01:01:14 Time in your area (1): 4 May 2025 03:01:14
Location	51.142N 178.939W
Depth	39 km
Distances	179.5 km (111.3 mi) WSW of Adak, Alaska 1446.5 km (896.8 mi) ESE of Klyuchi, Russia 1527.7 km (947.2 mi) S of Anadyr, Russia 1545.5 km (958.2 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1560.8 km (967.7 mi) ESE of Vilyuchinsk, Russia
Location Uncertainty	Horizontal: 8.0 km; Vertical 9.1 km
Parameters	Nph = 168; Dmin = 46.6 km; Rmss = 0.78 seconds; Gp = 195° Version =
Event ID	us 7000px2b

(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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