Michincha is a

stratovolcano A stratovolcano, also known as a composite volcano, is a conical volcano built up by many layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with a summit crater and per ...

on the border of

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 ...

and

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 ...

. It is part of an east–west trending ridge of stratovolcanoes. To its east lies

Olca Olca is a stratovolcano on the border of Chile and Bolivia. It lies in the middle of a 15 km long ridge composed of several stratovolcanos. Cerro Minchincha lies to the west and Paruma to the east. It is also close to the pre-Holocene Cerr ...

. The only historical activity from the complex was a flank eruption from 1865 to 1867.

Sources

Stratovolcanoes of Chile Subduction volcanoes Volcanoes of Potosí Department Mountains of Chile Polygenetic volcanoes Bolivia–Chile border International mountains of South America Volcanoes of Tarapacá Region Holocene stratovolcanoes {{Tarapacá-geo-stub