Why does Ecuador experience earthquakes and volcanic activity?

Ecuador experiences frequent earthquakes and volcanic activity primarily because it is situated on the Ring of Fire, a seismically active belt that fringes the Pacific Ocean and is characterized by numerous earthquake epicentres and volcanoes.12

This activity is driven by plate tectonics, specifically the subduction of the Nazca Plate beneath the South American Plate. As the denser oceanic crust of the Nazca Plate dives beneath the lighter continental crust of South America, it releases immense pressure, which triggers powerful earthquakes.3

Furthermore, this subduction process generates significant volcanic activity. As the oceanic plate descends, it carries water and other compounds into the mantle, which reduces the melting temperature of the rock and creates magma. This magma rises through the overriding continental crust, fueling the formation of volcanic arcs, such as those found in the Andes Mountains.43