Area of the city most affected by earthquake City blocks most damaged by fire Earthquakes , volcanic eruptions and mass ground movements are frequent occurrences . The subduction zone along Chile 's coast has produced the most powerful earthquake ever recorded , the 1960 Valdivia earthquake . Earthquakes are notorious for triggering volcanic eruptions , such as the 1960 Cordón Caulle eruption . Chilean earthquakes have produced tsunamis
1960 Valdivia earthquake
1960 Valdivia earthquake
Geology of Chile