Caldera
This is an old revision of this page, as edited by Colest (talk | contribs) at 15:29, May 16, 2007. It may differ significantly from current revision.
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.