2026-08-12 21:16:23 (M3.0) Rat Islands, Aleutian Islands, Alaska 53.2 178.1 (90be5)

M3.0 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	3.0
Date-Time	Universal Time (UTC): 12 Aug 2026 21:16:23 Time near the Epicenter (1): 12 Aug 2026 11:16:23 Time in your area (1): 12 Aug 2026 13:16:23
Location	53.166N 178.130E
Depth	110 km
Distances	333.7 km (206.9 mi) E of Attu Station, Alaska 1163.6 km (721.4 mi) ESE of Klyuchi, Russia 1289.1 km (799.2 mi) S of Anadyr, Russia 1301.9 km (807.2 mi) E of Petropavlovsk-Kamchatsky, Russia 1316.2 km (816.1 mi) E of Yelizovo, Russia
Location Uncertainty	Horizontal: 52.9 km; Vertical 24.9 km
Parameters	Nph = 12; Dmin = 133.4 km; Rmss = 0.70 seconds; Gp = 333° Version =
Event ID	ak a2026pxnldr

(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
Alaska Earthquake Center
Geophysical Institute, University of Alaska Fairbanks

https://earthquake.alaska.edu

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