18. The Ranrahirca Avalanche

Photographer: Unknown

Year: January 1962

Location: Ranrahirca, Peru

Casualties: 2700

Mount Huascaran ejected some millions of tons of snow, ice, rocks, and mud down to its base, stomping out the entire . Adding to the damage of the fallen debris, the added volume plunged into the River Santa raised the water by 26 feet, causing massive currents and flooding. The village of Ranrahirca and eight neighboring towns disappeared under the rock or into the water, as did 2,700 or more people.