Nevado del Ruiz
Nevado del Ruiz is a volcano on the border of the departments of Caldas and Tolima in Colombia, about 129 kilometers west of the capital city Bogotá. It is the third most northerly of the volcanoes lying in the North Volcanic Zone of the Andean Volcanoic Belt, which contains 75 of the 204 Holocene-age volcanoes in South America. The volcano...