Detailed text transcripts for TV channel - MSNBC - 20100227:13:31:00
Or does it decrease as it travels? >> well, that's a great question that people are always wondering. what happens in a tsunami is they travel very fast. but oceans, almost at the speed of a jet airplane. but when they approach the shore and the water shallows, what happens is they begin to feel the bottom and bunch up. and that's when we start to see the rise in height of the waves. but they actually slow down when they hit that shallow water because of the friction from the bottom, essentially, you can think of it like that, slows it down. the thing is when they hit the shore, you can think ...