Licancabur volcano reflected on Laguna Verde
by Gerd Breitenbach under GNU Free Documentation License
Licancabur is the name of a highly symmetrical stratovolcano located on the southernmost part of the border between Chile and Bolivia. The name Licancabur comes from the native Cunza people used to refer to the volcano as well as to themselves. Licancabur is just southwest of Laguna Verde in Bolivia and northwest of Juriques volcano. The summit crater of Licancabur is about 400 m wide. Within Licancabur's crater is a 70 by 90 m crater lake. The lake is ice-covered most of the year. This is one of the highest lakes in the world, and despite air temperatures which can drop to -30 °C, it contains planktonic fauna.
Licancabur's most recent volcanic activity produced extensive lava flows which extend 6 km down the northwest and southwest flanks, with older lava flows reaching 15 km and pyroclastic flow deposits as far as 12 km from the peak. Inca ruins have been discovered at the summit, providing proof that the Incas climbed Licancabur, and that there had not been any major eruptions in the last 500–1,000 years to erase traces of Inca structures.
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