Cerro Columa
Cerro Columa, or Cerro Colluma, is a crater in Bolivia. In 1964 it was considered to be a crater formed by volcanism. Its rims reach an altitude of  and in the crater lies a playa lake. The crater has dimensions of . The crater was most likely formed by the collapse of a sediment dome, an origin as a meteorite crater is less likely. The crater lies on a poorly vegetated desert plain that slopes to Salar de Coipasa. The surrounding plain has an altitude of  and was covered by Lake Minchin during the Pleistocene. Sources

Maars of Bolivia
Volcanoes of Oruro Department