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2.3

M4.3 earthquake strikes 45 mi SW of Barter Island, Alaska; no tsunami threat

A preliminary magnitude 4.3 earthquake occurred 45 miles southwest of Barter Island, Alaska, at 09:56 UTC on 2026-09-15. NOAA issued an information statement confirming no tsunami danger. The event is minor and routine for the region, with no reported damage or disruption.

NOAA Tsunami Bulletinsabout 12 hours agoUSengCredibility 99%View source

Score Breakdown

Mosaic Score2.3
Confidence0.9
Significance0.1
Source credibility1.0

Intelligence Tags

#earthquake#alaska#tsunami#no-threat#seismic

Locations

Barter Island, Alaska

Entities

country
Source

Related signals

8 found