Tectonic plates cause tsunamis mainly through sudden movements along subduction zones, where one plate dives beneath another.

Following the major 8.8M earthquake off the coast of Russia, tsunami alerts were issued for Hawaii, Alaska and the Continental U.S. West Coast Wednesday. Evacuations were ordered as well. And that's ...

Residents of Hawaii are breathing easier but remain cautious after tsunami waves from a powerful undersea earthquake off of Russia’s eastern coast were less severe than originally feared. Though they ...

What Is a Tsunami and How Does It Form? A tsunami is a series of ocean waves caused by a sudden disturbance, usually an underwater earthquake, that pushes a large amount of water up or down. Most ...

Q. How can I explain to my children about the earthquake, tsunami and radiation risk in Japan? A. "From kindergarten to grade 3 ... basically, the rule of thumb is answer only what they ask, and do it ...