Puracé is an

andesitic Andesite () is a volcanic rock of intermediate composition. In a general sense, it is the intermediate type between silica-poor basalt and silica-rich rhyolite. It is fine-grained (aphanitic) to porphyritic in texture, and is composed predomina ...

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

located in the Puracé National Natural Park in the

Cauca Department Cauca Department (, ) is a department of Southwestern Colombia. Located in the southwestern part of the country, facing the Pacific Ocean to the west, the Valle del Cauca Department to the north, Tolima Department to the northeast, Huila De ...

Colombia Colombia, officially the Republic of Colombia, is a country primarily located in South America with Insular region of Colombia, insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuel ...

. It is part of the North Volcanic Zone of the

Andean Volcanic Belt The Andean Volcanic Belt is a major volcanic belt along the Andean cordillera in Argentina, Bolivia, Chile, Colombia, Ecuador, and Peru. It is formed as a result of subduction of the Nazca plate and Antarctic plate underneath the South Americ ...

. The volcano is located at the intersection of the Coconucos and Morras Faults.Plancha 365, 2003 It is one of the most active volcanoes in Colombia. Large explosive eruptions occurred in 1849, 1869, 1885, 1949, 1950, 1956, and 1957. There were about a dozen eruptions in the 20th century, the most recent being in 1977, until 19 January 2025 when Puracé once again erupted. On this occasion, volcanic ash was deposited away.

Fumarole A fumarole (or fumerole) is a vent in the surface of the Earth or another rocky planet from which hot volcanic gases and vapors are emitted, without any accompanying liquids or solids. Fumaroles are characteristic of the late stages of volcani ...

s were seen near the summit in 1990, and hot springs emerged from some of the lower slopes. Th Volcanpurace

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* Mountains of Colombia Stratovolcanoes of Colombia Active volcanoes Andean Volcanic Belt Biosphere reserves of Colombia 19th-century volcanic events 20th-century volcanic events Holocene stratovolcanoes Quaternary Colombia Geography of Cauca Department Four-thousanders of the Andes {{Colombia-geo-stub

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