The Science Behind Supervolcanoes

"Earth--it's a disaster zone! For thousands of years, Earth has been exploding with super volcanoes whose magma flows and gas clouds destroy everything in their paths. But what causes these awesome forces of nature and where in the world are they most likely to occur? Discover the science behind super volcanoes, the world's worst-ever volcano disasters, and the technology that scientists are using to help prevent devastating volcanoes of the future."--