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[[Image:OkmokCaldera.jpg|300px|thumb|Okmok Caldera, in the Aleutian Islands]]

[[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 by 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]]s in that they are larger, and craters are caused by rock removal during an eruption.

== Examples of Caldera in the United States ==

== Examples of Caldera in the United States ==