<P> The Nevado del Ruiz ( Spanish pronunciation : ( neβaðo ðel ˈrwis ) ) , also known as La Mesa de Herveo ( English : Mesa of Herveo , the name of the nearby town ) , or Kumanday in the language of the local pre-Columbian indigenous people , is a volcano located on the border of the departments of Caldas and Tolima in Colombia , about 129 kilometers ( 80 mi ) west of the capital city Bogotá . It is a stratovolcano , composed of many layers of lava alternating with hardened volcanic ash and other pyroclastic rocks . Nevado del Ruiz has been active for about two million years , since the Early Pleistocene or Late Pliocene , with three major eruptive periods . The current volcanic cone formed during the present eruptive period , which began 150 thousand years ago . </P>
<P> The Nevado del Ruiz ( Spanish pronunciation : ( neβaðo ðel ˈrwis ) ) , also known as La Mesa de Herveo ( English : Mesa of Herveo , the name of the nearby town ) , or Kumanday in the language of the local pre-Columbian indigenous people , is a volcano located on the border of the departments of Caldas and Tolima in Colombia , about 129 kilometers ( 80 mi ) west of the capital city Bogotá . It is a stratovolcano , composed of many layers of lava alternating with hardened volcanic ash and other pyroclastic rocks . Nevado del Ruiz has been active for about two million years , since the Early Pleistocene or Late Pliocene , with three major eruptive periods . The current volcanic cone formed during the present eruptive period , which began 150 thousand years ago . </P>
where is the nevado del ruiz volcano located
where is the nevado del ruiz volcano located
on the border of the departments of Caldas and Tolima in Colombia , about 129 kilometers ( 80 mi ) west of the capital city Bogotá
on the border of the departments of Caldas and Tolima in Colombia , about 129 kilometers ( 80 mi ) west of the capital city Bogotá