After the eruption of Nevado del Ruiz killed more than 23,000 people in Colombia in 1985, the U.S. Office of Foreign Disaster Assistance asked the U.S. Geological Survey to design a program to ...
In 1985, the Nevado del Ruiz volcano erupted in Colombia, killing 25,000 people. It was one of the deadliest volcanic eruptions in history. In 2010, the military government of Myanmar, formerly ...
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