Aerial view of the city of Armero, Colombia, devastated by mudflows triggered by the eruption of Nevado del Ruiz in November 1985. The mudflows destroyed everything in their paths and killed about 25,000 people. (Photograph by Darrell G. Herd, USGS.)

"Plate tectonics and people"

URL: https://pubs.usgs.gov/publications/text/Armero.html
Last updated: 05.05.99
Contact: bhanks@usgs.gov