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Earth's System: Force of the Earth: Volcanoes and Earthquakes
Volcanoes at Plate Boundaries
Description
Volcanoes at Plate Boundaries
Most volcanoes form at tectonic plate boundaries, where Earth's plates move. There are three main types of plate boundaries where volcanoes are found:
- Convergent Boundaries – When one plate sinks beneath another, magma rises, creating volcanoes. Many of t...
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Transcript
Converging plates can be continental, oceanic, or a combination of both. If at least one plate is oceanic, it will subduct beneath the other.
As the subducting plate sinks deeper into the hot mantle, its temperature increases. The sediments on the subducting plate contain water carried down with it.
As the plate continues to descend,...
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