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InfrastructureReportedLow
2.3

M5.5 earthquake off British Columbia coast; no tsunami threat

A magnitude 5.5 earthquake struck 120 miles west of Port Alice, British Columbia, at 04:46 UTC on 2026-09-28. NOAA issued an information statement confirming no tsunami danger. The event is routine for the seismically active Cascadia region and poses no immediate threat to coastal infrastructure.

NOAA Tsunami Bulletinsabout 6 hours agoCAengCredibility 99%View source

Score Breakdown

Mosaic Score2.3
Model confidence0.9
Significance0.1
Source credibility1.0

Intelligence Tags

#earthquake#tsunami#british columbia#seismic#noaa

Locations

Port Alice, British Columbia

Entities

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Source

Related signals

8 found