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Volcanism
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  • Length

    01:00 mins

  • Education Subject Areas

    Earth Science

    General Science

    Physical Science

  • Year Produced

    2010

  • Reference Number

    08NG11980

  • Title

    Volcanism

Volcanism

All around Earth, volcanoes are constantly threatening to erupt. There are about 1,500 volcanoes spread over five continents. Most volcanoes are located at the edges of the giant plates that form Earth's surface. Volcanoes may also appear in the middle of a plate at hotspots.

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