2026-08-01 23:07:03 UPDATED: (M4.9) Andreanof Islands, Aleutian Islands, Alaska 51.6 -173.6 (90be5)

M4.9 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 1 Aug 2026 23:07:04 Time near the Epicenter (1): 1 Aug 2026 13:07:04 Time in your area (1): 1 Aug 2026 15:07:04
Location	51.555N 173.564W
Depth	35 km
Distances	83.7 km (51.9 mi) SSE of Atka, Alaska 1555.5 km (964.4 mi) SSE of Anadyr, Russia 1750.5 km (1085.3 mi) ESE of Klyuchi, Russia 1798.2 km (1114.9 mi) SW of Anchorage, Alaska 1819.3 km (1128.0 mi) SW of Eagle River, Alaska
Location Uncertainty	Horizontal: 6.7 km; Vertical 1.9 km
Parameters	Nph = 93; Dmin = 84.2 km; Rmss = 0.85 seconds; Gp = 138° Version =
Event ID	us 6000thii ***This event supersedes event AKa2026pdixdb.

(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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