Cerro Ascotan (also known as ) is a volcano on the border between

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...

and

Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (red, yellow, and green from top to bottom) with the coat of arms of Bolivia in the center , flag_alt2 = 7 × 7 square p ...

. It is high, above the terrain and a maximum slope in the summit area of 26°. A breach in the edifice is wide and long, with an

azimuth An azimuth (; from ar, اَلسُّمُوت, as-sumūt, the directions) is an angular measurement in a spherical coordinate system. More specifically, it is the horizontal angle from a cardinal direction, most commonly north. Mathematicall ...

of 252°. The current

snowline The climatic snow line is the boundary between a snow-covered and snow-free surface. The actual snow line may adjust seasonally, and be either significantly higher in elevation, or lower. The permanent snow line is the level above which snow wil ...

lies between ; during the

Pleistocene The Pleistocene ( , often referred to as the ''Ice age'') is the geological Epoch (geology), epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fina ...

it was lower at . The volcano's summit, about one third thereof, was removed by a large explosion, with debris thrown at large distances. Volcanic activity probably occurred during the

. The volcano is neighbor to Cerro Araral.

References

External links

* Volcanoes of Chile Mountains of Antofagasta Region Volcanoes of Bolivia Mountains of Bolivia Stratovolcanoes of Bolivia Stratovolcanoes of Chile Pleistocene stratovolcanoes {{Bolivia-mountain-stub