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Predicting Volcanoes

17 minutes 42 seconds

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Vehicle driving along a dirt road towards mountains on a barren plain. Caption: We cannot stop these volcanoes from erupting,

Volcanoes are a part of the earth, and they have intrigued people for hundreds of years. Scientists study the earth's plates in order to understand the complexity of volcanic activity around the world. They also study different types of lava, rocks, and the gases that have dissolved into rocks. In the past, studying volcanic activity was extremely dangerous for scientists. Now they have access to tools, such as global positioning systems and seismometers, to help in predicting volcanic activity.

Media Details

Runtime: 17 minutes 42 seconds

Topic: Science
Subtopic: Earth Sciences, Geology
Grade/Interest Level: 4 - 8
Standards:

Release Year: 2006
Producer/Distributor: Science Screen Report
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Map of Alaska with Anchorage displayed. 1964 Epicenter indicated on coastline in bay adjacent to Anchorage. Caption: The epicenter was in Prince William Sound

Dry, brown grass and brush with crumbling rocks throughout and a flat-topped rocky hill in the background. Caption: punctuated by hills, badlands, and bluffs --

Person walking through low hills of green and brown shrubs and rock strewn in red soil. Caption: through the Texas Panhandle.

Illustration of a man sitting at a desk, looking off into the distance at nothing. Caption: Maybe the continents drifted apart.

A subduction zone. In a subduction zone oceanic plate dives beneath the continental plate. Contact at time equal zero. G P S at time equals zero. Caption: Megathrust earthquakes most commonly occur

Rolling two-peaked hill and valley covered in trees. Caption: Inexplicably, Capulin Volcano is tree covered,

A tree lined river with steep banks on one side. Caption: you have groundwater that flows into the river

Cave with stalactites and stalagmites in light brown rock. Caption: and great cathedrals of rock

Rolling brown foothills ending in San Francisco Bay with the Golden Gate bridge in the foreground. Caption: This movement is called an earthquake.

Still image from: Core Geology