(Underwater Volcanoes)
http://dsc.discovery.com/videos/understanding-volcanoes-underwater-volcanoes.html
(Mt. Kilaleua)
http://dsc.discovery.com/videos/understanding-volcanoes-kilauea-a-volcano-lab.html
(Mt. St. Helens)
http://dsc.discovery.com/videos/understanding-volcanoes-mt-saint-helens.html
