The lake-filled Quilotoa caldera ?

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  • The Quilotoa caldera was formed by the collapse of the Quilotoa volcano.
  • Following the 1280 Plinian eruption.
  • The term caldera was introduced by the German geologist Leopold von Buch.
  • Quilotoa is the most western volcano in the Ecuadorian Andes, Cotopaxi Province, Ecuador.

Ecuador, Quilotoa
(Photo credit: Gabriel Castillo)