Sea cave preserves 5 000-year snapshot of tsunamis

Sea cave preserves 5 000-year snapshot of tsunamis

An international team of scientists digging in a sea cave in Indonesia has discovered the world's most pristine record of tsunamis, a 5 000-year-old sedimentary snapshot that reveals for the first time how little is known about when earthquakes trigger massive…

Tsunami study challenges long-held formation theory

Tsunami study challenges long-held formation theory

A new NASA study is challenging a long-held theory that tsunamis form and acquire their energy mostly from vertical movement of the seafloor. The study shows that horizontal seafloor movement also creates energy for tsunamis and further validates a GPS-based…