Chile is located on the Pacific Ring of Fire and experiences frequent powerful earthquakes due to subduction between the Nazca and South American tectonic plates. The 1960 Valdivia earthquake, measuring 9.5 magnitude, was the most powerful ever recorded and caused a tsunami with 80 foot waves, leaving 2 million homeless and 1600 dead. Chile ranks as one of the most earthquake vulnerable countries due to its location and infrastructure damage from repeated seismic activity in northern Chile.