Tsunamis have nothing to do with the wind-generated waves we're used to seeing, or the tides—they’re a set of ocean waves caused by the rapid displacement of water. Most commonly, this happens when ...
A powerful offshore earthquake in northern Japan triggered tsunami warnings Monday, sending tens of thousands scrambling to higher ground. Half a world away, it raises a simple question: How do ...
Add Yahoo as a preferred source to see more of our stories on Google. This map of Japan shows where an underwater earthquake triggered tsunami alerts Monday. Tsunami warnings issued by the Japanese ...