volcanic crater

volcanic crater
   A basin-like, rimmed structure, usually at the summit of a volcanic cone. It may be formed by collapse, by an explosive eruption or by the gradual accumulation of pyroclastic material into a surrounding rim.
   Compare: caldera.

Glossary of landform and geologic terms. 2013.

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  • Volcanic crater — A volcanic crater is a circular depression in the ground caused by volcanic activity. [cite web url=http://www.physicalgeography.net/physgeoglos/c.html title=Glossary of Terms: C publisher=www.physicalgeography.net accessdate=2008 04 12] It is… …   Wikipedia

  • volcanic crater — noun a bowl shaped geological formation at the top of a volcano • Syn: ↑crater • Hypernyms: ↑geological formation, ↑formation • Hyponyms: ↑caldera, ↑maar • …   Useful english dictionary

  • Onepoto (volcanic crater) —  Two postcards from around 1910, showing Onepoto domain before it was reclaimed. Onepoto is the name of a volcanic explosion crater (or maar) in North Shore City, New Zealand. It is a part of the Auckland volcanic field. Located near the… …   Wikipedia

  • Crater — may refer to: In landforms: Impact crater, caused by two celestial bodies impacting each other, such as a meteorite hitting a planet Volcanic crater or caldera, formed by volcanic activity Subsidence crater, from an underground (usually nuclear)… …   Wikipedia

  • crater —    [ volcanic ]    see volcanic crater …   Glossary of landform and geologic terms

  • Crater lake — This article is about the geological feature. For the lake of the same name in Oregon, see Crater Lake. For other uses, see Crater Lake (disambiguation). Landsat image of Lake Toba, the largest volcanic crater lake in the world …   Wikipedia

  • crater lake — a body of water occupying a roughly circular, steep sided volcanic crater or caldera. [1875 80] * * * Lake, Cascade Range, southwestern Oregon, U.S. The lake is in a huge volcanic caldera 6 mi (10 km) in diameter and 1,932 ft (589 m) deep. It is… …   Universalium

  • Crater depth — The depth of any crater in a solid planet or moon whether it is an impact crater, a volcanic crater, or a subsidence crater may be measured from the local surface to the bottom of the crater, or from the rim of the crater to the bottom. Crater… …   Wikipedia

  • crater lake — a body of water occupying a roughly circular, steep sided volcanic crater or caldera. [1875 80] …   Useful english dictionary

  • Crater Lake National Park — IUCN Category II (National Park) …   Wikipedia