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| A '''caldera''' is a ] ] which usually has a flat surface at the bottom, formed by a ] collapsing into itself, usually because of low pressure in the ] chamber below or because of a violent eruption. | A '''caldera''' is a ] ] which usually has a flat surface at the bottom, formed by a ] collapsing into itself, usually because of low pressure in the ] chamber below or because of a violent eruption. | ||
| An example of a caldera is in ] in ], ]. The caldera on ] has filled with water, creating Crater Lake. | An example of a caldera is in ] in ], ]. The caldera on ] has filled with water, creating Crater Lake. | ||
| ==Notable calderas== | ==Notable calderas== | ||
Revision as of 05:09, 14 March 2004
This article is about volcanic calderas. There is also a corporation called Caldera Systems.
A caldera is a volcanic crater which usually has a flat surface at the bottom, formed by a volcano collapsing into itself, usually because of low pressure in the magma chamber below or because of a violent eruption.
An example of a caldera is in Crater Lake National Park in Oregon, United States. The caldera on Mount_Mazama has filled with water, creating Crater Lake.
Notable calderas
- Askja (Iceland)
- La Palma (Spain)
- Long Valley (California, US)
- Valle Grande (New Mexico, US)
- Yellowstone Caldera (Wyoming, US)
- Newberry Caldera
- Crater Lake National Park (Oregon, US)