Difference between revisions of "Caldera"
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| − | [[Image:OkmokCaldera.jpg|300px|thumb|Okmok Caldera, in the | + | [[Image:OkmokCaldera.jpg|300px|thumb|Okmok Caldera, in the Aleutian 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. | ||
== Examples of Caldera in the United States == | == Examples of Caldera in the United States == | ||
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[[Crater Lake]] - [[Oregon]] | [[Crater Lake]] - [[Oregon]] | ||
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== References == | == References == | ||
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[http://volcanoes.usgs.gov/Products/Pglossary/caldera.html USGS Photo Glossary of Volcanic Terms] | [http://volcanoes.usgs.gov/Products/Pglossary/caldera.html USGS Photo Glossary of Volcanic Terms] | ||
[http://pubs.usgs.gov/gip/volcus/ustext.html USGS - Volcanoes of the United States] | [http://pubs.usgs.gov/gip/volcus/ustext.html USGS - Volcanoes of the United States] | ||
| − | [[Category: | + | [[Category:Vulcanology]] |
Revision as of 22:10, July 14, 2007
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
Valles Caldera - Jemez Mountains, New Mexico
Yellowstone Caldera - Yellowstone National Park, Wyoming