Aucanquilcha
Aucanquilcha is a large stratovolcano located in the Antofagasta Region of northern Chile. Part of the Central Volcanic Zone of the Andes, the stratovolcano has the form of a ridge with a maximum height of 6,176 metres (20,262 ft) and formed between 1.04–0.23 million years ago, there is ongoing fumarolic activity.