Tsunami, earthquake rock Japan: A look at world's most powerful earthquakes and tsunamis

Earthquakelargest in the country's recorded history - and the fifth-largest to hit the world since 1900. It triggered a giant tsunami in the Pacific Ocean, sweeping away boats, cars, homes and people. At least 60 people have been confirmed dead as of Friday morning, and the entire U.S. West Coast braces for the aftershocks of the disaster.