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M4.9 earthquake strikes 80 km SSW of Nikolski, Alaska; no tsunami threat reported

A magnitude 4.9 earthquake occurred at 18:00 UTC on 2026-09-05, 80 km SSW of Nikolski, Alaska, at a depth of 35 km. ShakeMap intensity III indicates light shaking; no damage or tsunami warnings have been reported. This is a routine seismic event in an active region, with low immediate impact.

USGS Earthquakes M4.5+about 17 hours agoUSengCredibility 10%View source

Score Breakdown

Mosaic Score2.0
Confidence0.9
Significance0.1
Source credibility0.1

Intelligence Tags

Locations

Nikolski, Alaska

Entities

country
Source

Related signals

8 found