2025-07-27 06:07:17 (M4.2) Andreanof Islands, Aleutian Islands, Alaska 51.8 -173.9 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

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

Preliminary Report

Magnitude	4.2
Date-Time	Universal Time (UTC): 27 Jul 2025 06:07:18 Time near the Epicenter (1): 26 Jul 2025 20:07:18 Time in your area (1): 26 Jul 2025 22:07:18
Location	51.755N 173.883W
Depth	45 km
Distances	53.7 km (33.3 mi) SSE of Atka, Alaska 1528.1 km (947.4 mi) SSE of Anadyr, Russia 1720.7 km (1066.8 mi) ESE of Klyuchi, Russia 1797.8 km (1114.6 mi) SW of Anchorage, Alaska 1818.8 km (1127.7 mi) SW of Eagle River, Alaska
Location Uncertainty	Horizontal: 6.2 km; Vertical 7.2 km
Parameters	Nph = 62; Dmin = 54.2 km; Rmss = 0.75 seconds; Gp = 141° Version =
Event ID	us 6000qvfr

(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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