Snow-covered volcano cone

Volcanoes

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Season 7 (3-21-2006)

Full Show: A volcano can be described as part of the earth's plumbing system. Magma, or molten rock from under the earth, pushes upward through a sort of natural pipe and sometimes explodes lava out of the ground. Volcanoes created many of Idaho's mountains and plains. Scientists study volcanoes to learn more about the earth and to protect the millions of people who live near these fascinating geological features. Learn more about Volcanoes from this month's guest experts, seismologist Jim Zollweg and geos

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Video Short: Volcanoes are part of the world's plumbing system. Find out how they work and how volcanoes have changed the Earth's surface.

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Season 2 (5-8-2001)

Full Show: Volcanoes have shaped the face of Idaho. From the lava fields at Craters of the Moon National Monument, to the batholith of central Idaho, to the mountains of the north, volcanic action is a part of this state. Husband and wife volcanologists Martha Godchaux and Bill Bonnichsen and Craters of the Moon National Monument Park Ranger David Freiberg help us learn more about volcanoes.

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Season 1 (2-28-2000)

Full Show: Volcanoes have shaped both the Earth and human history for eons. Much of Idaho's own topography has been molded by a tectonic plate moving over a "hot spot" of plume-generated volcanic activity. Learn more about this "explosive" topic from husband and wife volcanologists Martha Godchaux and Bill Bonnichsen.

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