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The volcano continues to pose a threat to the nearby towns and villages, and it is estimated that up to 500,000 people could be at risk from lahars from future eruptions. Today, the Nevado del Ruiz volcano is constantly monitored by the Colombian Geological Survey via the Volcanic and Seismic Observatory of Manizales. [6]
Major volcanoes in Colombia. This is a list of active and extinct volcanoes in Colombia. Name Elevation Coordinates Last eruption meters feet Azufral: 4070: 13,353
Nevado del Huila (/ n ɛ ˈ v ɑː d oʊ d ɛ l ˈ w iː l ə /, Spanish pronunciation: [neˈβaðo ðel ˈwila]) at 5,364 metres (17,598 ft), [1] is the highest volcano in Colombia, located at the tripoint of the departments of Huila, Tolima and Cauca. It is visible from the city of Cali. [2] The andesitic volcano is located on top of the ...
The volcano erupted on January 3, 2010, forcing the evacuation of 8,000 people. [13] This was the 10th such eruption of the volcano in the preceding 12 months, and the first of 2010. Colombian authorities also stated that it could remain volatile in the weeks to come. Galeras erupted again on August 25, 2010 with an ash plume visible in the air.
Armero, located 48 km (30 mi) from the Nevado del Ruiz volcano and 169 km (105 mi) from Colombia's capital of Bogotá, was the third largest town in Tolima Department, after the towns of Ibagué and Espinal. [4]
The death toll was increased by the lack of early warnings, [4] unwise land use, as villages were built in the likely path of lahars, [10] and the lack of preparedness in communities near the volcano. [4] Colombia's worst natural disaster, [11] the Armero tragedy (as it came to be known) was the second-deadliest volcanic disaster of the 20th ...
The volcanic and seismic observatory in Pasto was established to monitor the Galeras volcano following its reactivation in 1989. Today, the observatory also monitors the Chiles and the Cerro Negro de Mayasquer volcanoes on the international border between Colombia and Ecuador, and the Azufral, Cumbal, and Doña Juana volcanoes in the Department of Nariño.
Nevado El Cisne is the summit of a small volcanic complex which includes El Cisne's sister peak, Morro Negro, and several subpeaks. They are small stratovolcanoes. The complex has well-preserved morphology with barely eroded lava flows, suggesting recent volcanic activity. [4] Five emission centers have been identified as generators of lava flows.