Difference between revisions of "Caldera"

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[[Image:OkmokCaldera.jpg|300px|thumb|Okmok Caldera, in the Aluetian Islands]]
 
[[Image:OkmokCaldera.jpg|300px|thumb|Okmok Caldera, in the Aluetian Islands]]
 
A '''caldera''' is a large, circular depression that is formed by the collapse of the [[volcano|volcanic]] cone after a large eruption.  Caldera differ from [[crater|craters]] in that they are larger, and craters are caused rock removal during an eruption.
 
A '''caldera''' is a large, circular depression that is formed by the collapse of the [[volcano|volcanic]] cone after a large eruption.  Caldera differ from [[crater|craters]] in that they are larger, and craters are caused rock removal during an eruption.
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== Examples of Caldera in the United States ==
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[[Crater Lake]] - [[Oregon]]
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[[Valles Caldera]] - [[Jemez Mountains]], [[New Mexico]]
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[[Yellowstone Caldera]] - [[Yellowstone National Park]], [[Wyoming]]
  
  

Revision as of 18:40, May 16, 2007

Okmok Caldera, in the Aluetian Islands

A caldera is a large, circular depression that is formed by the collapse of the volcanic cone after a large eruption. Caldera differ from craters in that they are larger, and craters are caused rock removal during an eruption.

Examples of Caldera in the United States

Crater Lake - Oregon

Valles Caldera - Jemez Mountains, New Mexico

Yellowstone Caldera - Yellowstone National Park, Wyoming


References

USGS Photo Glossary of Volcanic Terms

USGS - Volcanoes of the United States