Parinacota Volcano

Arica y Parinacota

Parinacota Volcano is a dormant stratovolcano situated on the border between Bolivia and Chile, forming part of the Nevados de Payachata volcanic chain alongside Pomerape. It rises to an elevation of 6,380 meters (20,930 feet), featuring a strikingly symmetrical cone capped by a summit crater approximately one kilometer wide. The volcano's southern slopes host three parasitic Ajata cones that have produced lava flows. Parinacota's growth began during the Pleistocene epoch, with a significant western flank collapse occurring between the Pleistocene and Holocene, creating a vast landslide deposit that altered local drainage and expanded Lake Chungará. Subsequent volcanic activity rebuilt the cone, erasing the collapse scar. Throughout the Holocene, Parinacota experienced numerous effusive and explosive eruptions, with the most recent about 200 years ago. While no recorded eruptions exist, Aymara local legends suggest eyewitness accounts of volcanic activity. The volcano lies within the Central Volcanic Zone of the Andes, a region characterized by thick crust and active volcanism due to the subduction of the Nazca and Antarctic Plates beneath South America. Its name derives from the Aymara language, meaning "flamingo lake," reflecting the local fauna and geography. Despite its dormant status, Parinacota remains a prominent natural landmark with potential for future activity, though the area's low population density limits risk to human settlements.