2025-07-16 14:21:52 UPDATED: (M5.4) Andreanof Islands, Aleutian Islands, Alaska 52.1 -173.4 (70fa9)

M5.4 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 16 Jul 2025 14:21:52 Time near the Epicenter (1): 16 Jul 2025 04:21:52 Time in your area (1): 16 Jul 2025 19:51:52
Location	52.075N 173.376W
Depth	68 km
Distances	58.1 km (36.0 mi) ESE of Atka, Alaska 1503.8 km (932.3 mi) SSE of Anadyr, Russia 1736.0 km (1076.3 mi) ESE of Klyuchi, Russia 1748.0 km (1083.8 mi) SW of Anchorage, Alaska 1769.0 km (1096.8 mi) SW of Eagle River, Alaska
Location Uncertainty	Horizontal: 7.2 km; Vertical 6.2 km
Parameters	Nph = 206; Dmin = 58.1 km; Rmss = 1.19 seconds; Gp = 57° Version =
Event ID	us 7000qd00

(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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