 Hazards mapped include both the fall of ash and the formation of lahars which can advance to distances of in the southerly valleys of Ampato.Pyroclastic fallout primarily threatens the vicinity of the volcano but large eruptions can result in fallout over large areas around the volcanic complex.Ampato was the site of human sacrifice during Inca times, when about 1466 the Mummy Juanita was offered for sacrifice on the mountain, along with two other girls and a boy.