A massive underwater volcano erupting triggered the warnings. WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT':
https://bit.ly/3uHCDO5 WATCH OTHER FULL EPISODES OF WORLD NEWS TONIGHT:
http://abc.go.com/shows/world-news-tonight WATCH WORLD NEWS TONIGHT ON HULU:
https://bit.ly/3iQLwPp #WorldNewsTonight #Tsunami #WestCoast #UnderwaterVolcano
