Volcano Eruptions: http://video.nationalgeographic.com/video/environment/environment-natural-disasters/volcanoes/volcano-eruptions/
Volcano Lava: http://video.nationalgeographic.com/video/environment/environment-natural-disasters/volcanoes/volcano-lava/
Underwater Eruption: http://video.nationalgeographic.com/video/news/environment-news/west-mata-submarine-volcano-vin/
Giant Underwater Volcano: http://video.nationalgeographic.com/video/news/environment-news/indonesia-okeanos-volcano-exploration-vin/
Volcano Lava: http://video.nationalgeographic.com/video/environment/environment-natural-disasters/volcanoes/volcano-lava/
Underwater Eruption: http://video.nationalgeographic.com/video/news/environment-news/west-mata-submarine-volcano-vin/
Giant Underwater Volcano: http://video.nationalgeographic.com/video/news/environment-news/indonesia-okeanos-volcano-exploration-vin/
Videos from 10-25-13:
Mt. Vesuvius and Pompeii Video
Mt. St. Helens Eruption
Mt. St. Helens Short video
Mt. Krakatoa
Videos from 10-28-13
Mt. St. Helens Long Video
Mt. Vesuvius and Pompeii Video
Mt. St. Helens Eruption
Mt. St. Helens Short video
Mt. Krakatoa
Videos from 10-28-13
Mt. St. Helens Long Video