Japan warns of a catastrophic megaquake along the Nankai Trough, with the potential to trigger massive tsunamis, destroy infrastructure, and claim over 300,000 lives.

A 6.5 magnitude earthquake struck south of the Fiji Islands Sunday night, according to U.S. Geological Services. The National ...

Fast-moving underwater avalanches, known as turbidity currents, are responsible for transporting vast quantities of ...

A 6.6-magnitude earthquake struck far off southwest Australia on Wednesday, but no tsunami warning was issued. The epicenter was in the Indian Ocean 2,069 kilometers (1,283 miles) southwest of Albany ...

The National Oceanic and Atmospheric Administration shows potential coastal flooding from sea level rise across ... prompting an initial tsunami warning that was later lifted for the Pacific ...