2025-07-21 19:07:20 UPDATED: (M5.0) Rat Islands, Aleutian Islands, Alaska 51.3 179.6 (70fa9)

M5.0 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 21 Jul 2025 19:07:21 Time near the Epicenter (1): 21 Jul 2025 09:07:21 Time in your area (1): 22 Jul 2025 00:37:21
Location	51.328N 179.573E
Depth	56 km
Distances	269.7 km (167.2 mi) WSW of Adak, Alaska 1347.0 km (835.2 mi) ESE of Klyuchi, Russia 1439.9 km (892.7 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1455.1 km (902.2 mi) ESE of Vilyuchinsk, Russia 1456.2 km (902.9 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 5.8 km; Vertical 6.4 km
Parameters	Nph = 92; Dmin = 19.7 km; Rmss = 0.76 seconds; Gp = 138° Version =
Event ID	us 6000qtzg ***This event supersedes event AK0259adwvub.

(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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