

Arizona Volcanoes
Season 9 Episode 910 | 26m 46sVideo has Closed Captions
Arizona's landscape is the product of millions of years of volcanic explosions.
Arizona is not known for its active volcanoes, but its landscape is dominated by the products of millions of years of volcanic explosions. And the plumbing that funnels molten lava to the surface is still intact and waiting for the opportunity to erupt. The last explosion occurred around the time Normans were invading England and it could recur at any time.
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback
In the America's with David Yetman is presented by your local public television station.
Distributed nationally by American Public Television

Arizona Volcanoes
Season 9 Episode 910 | 26m 46sVideo has Closed Captions
Arizona is not known for its active volcanoes, but its landscape is dominated by the products of millions of years of volcanic explosions. And the plumbing that funnels molten lava to the surface is still intact and waiting for the opportunity to erupt. The last explosion occurred around the time Normans were invading England and it could recur at any time.
Problems playing video? | Closed Captioning Feedback
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In the America's with David Yetman is presented by your local public television station.
Distributed nationally by American Public Television