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  • Depending on how the hole was made, and what it is, they have different names.
  • Sinkholes are caused by karst processes. Sinkholes also go by the names sink, shake hole, swallet, swallow hold, doline or cenote.
  • There are also pits, and vertical caves.
  • Craters are caused by impact from celestial bodies such as meteorites.
  • Other craters include volcanic craters (also known as a caldera), which are formed from the collapse of land following volcanic activity.
  • Another crater is a subsidence crater, usually formed by an underground nuclear explosion.
  • A structural basin is formed from a subduction zone (related to plate tectonics).
  • A graben or rift valley is caused by tectonic forces, and appears as a depressed area of land bordered by two faults.

There are many many types of depressions in the earth, caused by a variety of forces--erosion, tectonic forces, explosions, impacts among others.

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13y ago

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