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Caldera
A large, usually circular depression at the summit of a volcano formed when magma is withdrawn or erupted from a shallow underground magma reservoir.
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Shield Volcano
Broad, gentle slopes built by the eruption of fluid basalt lava .
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Mud Volcano
A small volcano-shaped cone of mud and clay, usually less than 1-2 m tall.
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Stratovolcano
Steep, conical volcanoes built by the eruption of viscous lava flows, tephra, and pyroclastic flows
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Volcano Diagram (click here for a volcano activities. |
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