Three U.S. regions at risk of possible
West Coast Faces Growing Mega Tsunami ThreatCommunities across the U.S. West Coast, Alaska, and Hawaii could one day face a terrifying reality: a massive tsunami caused by the Cascadia subduction zone — and scientists warn it may happen sooner than expected. The Cascadia Fault: A Hidden DangerStretching from Northern California to British Columbia, the Cascadia…