Riñihuazo is the name given to the landslide damming of Riñihue Lake on 22 May 1960 , after a landslide caused by the Great Chilean earthquake blocked its outflow . According to the chronicler Mariño de Lobera a similar event occurred after the 1575 Valdivia earthquake
Great Chilean earthquake
1960 Valdivia earthquake
Riñihuazo