The Web Show: Earthquakes
Clip: Special | 8m 35s Video has closed captioning.
There are about half a million earthquakes a year, but we can only feel about 100,000 of them. On this Science Trek: The Web Show, host Joan Cartan-Hansen and her guests, Jeffrey Johnson and Dennis Feeney, will answer more questions about earthquakes.
Problems Playing Video? | Closed Captioning