GEOLOGY

Detailed explanation-1: -The earthquake that struck near Valdivia, Chile, in 1960 was the most powerful temblor in recorded history. The quake left about two million people homeless. On May 22, 1960, the most powerful earthquake in recorded history-magnitude 9.5-struck southern Chile.

Detailed explanation-2: -The tsunami traveled across the Pacific Ocean in the hours after the earthquake; the waves killed 61 people in Hawaii, nearly 140 in Japan, and 32 in the Philippines.

Detailed explanation-3: -Chile earthquake of 2010, severe earthquake that occurred on February 27, 2010, off the coast of south-central Chile, causing widespread damage on land and initiating a tsunami that devastated some coastal areas of the country.

Detailed explanation-4: -A sudden breaking in the rocks along a roughly 560–620-mile (900–1, 000-km) stretch of the Nazca Plate caused the earthquake, which has been generally agreed to have had a magnitude of 9.5-the largest earthquake recorded in the 20th century.

Detailed explanation-5: -The earthquake and tsunami caused a total of 521 deaths, 46 missing and presumed dead, and USD $30 billion damage.