Nevado del Ruiz
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Nevado del Ruiz, also known as La Mesa de Herveo is a volcano on the border of the departments of Caldas and Tolima in Colombia, being the highest point of both. It is located about 130 km west of the
The volcano's summit and upper flanks are covered by several glaciers that appear as a white mass surrounding the Arenas crater.
The top of the 11,000 year-old ash fall deposits interstratified with paleosols overlying a channelized debris flow and a sequence of wet surges.
Armero was located in the center of this photograph, taken late November 1985.
Nevado del Ruiz as seen from Manizales, 2006
Cerro Machín
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Cerro Machín is a stratovolcano located in Tolima Department, Colombia. Considered the most dangerous active volcano of Colombia, Cerro Machin is a volcanic plug that is approximately the same age as
Cerro Machín in 2021
2011