Campo Santo represents the site of the original town of Yungay, which was destroyed on 31 May 1970 when an earthquake had triggered a rock-ice fall from the N summit of Nevado Huascarán. This fall evolved into a debris avalanche that jumped over a hill and almost completely covered the town, leading to thousands of fatalities. The cemetery hill (lower right portion of the image) was damaged by the earthquake, but remained largely untouched by the avalanche.