Incahuasi Central Volcanic Zone of the Andes together with about 110 other Quaternary volcanoes, and lies in the southern sector of the volcanic zone; other volcanic zones in the Andes are the Northern Volcanic Zone, the Southern Volcanic Zone and the Austral Volcanic Zone. The history of volcanic activity is poorly known for most of these volcanoes owing to the lack of dating; only a few historical eruptions have been recorded, such as an eruption at Ojos del Salado in 1993. Incahuasi is located northeast of Ojos del Salado, the highest volcano in the world. Both volcanoes are found at the
Bihor Mountains Bihor Mountains Bihor Mountains (, ) is a mountain range in western Romania. It is part of the Apuseni Mountains, which are part of the Carpathian Mountains. The massif has a length of from the northwest to the southeast and a width of . It is located east of the town Ștei, and north of the town Brad. The highest peak is Cucurbăta Mare with an elevation of , also the highest of the Apuseni Mountains. Other high peaks are Buteasa (1,790 m), Cârligatele (1,694 m) and Piatra Grăitoare (1,658 m). Vlădeasa is a volcanic range extension of the Bihor