2026-03-15 22:45:53 (M4.6) Rat Islands, Aleutian Islands, Alaska 52.1 176.3 (90be5)

M4.6 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 15 Mar 2026 22:45:54 Time near the Epicenter (1): 15 Mar 2026 12:45:54 Time in your area (1): 15 Mar 2026 14:45:54
Location	52.077N 176.334E
Depth	10 km
Distances	230.4 km (142.9 mi) ESE of Attu Station, Alaska 1112.5 km (689.7 mi) ESE of Klyuchi, Russia 1202.4 km (745.5 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1218.0 km (755.1 mi) ESE of Vilyuchinsk, Russia 1218.5 km (755.5 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 11.3 km; Vertical 1.9 km
Parameters	Nph = 50; Dmin = 154.4 km; Rmss = 0.84 seconds; Gp = 154° Version =
Event ID	us 6000sgib

(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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