Tsunamis can travel thousands of kilometres across the ocean after an earthquake, volcanic eruption, or landslide ...

A tsunami is a series of large, persistent waves caused by the sudden displacement of a body of water. Earthquakes are ...

A tsunami can move hundreds of miles per hour in the open ocean and smash into land with waves as high as 100 feet or more. From the area where the tsunami originates, waves travel outward in all ...

Unlike the waves we enjoy at the beach, tsunami waves don’t break because they don’t get steep enough. Energy distributed throughout the water column and wavelengths extending a hundred miles ...

Charlotte Lytton and Matthew Abbott traveled to Tonga to report this story. All photographs were made in May 2023. Sept. 1 at 6:00 a.m. Warning: This graphic requires ...

Preliminary reports from the U.S. Tsunami Warning System said tsunami waves were possible for coastlines within about 190 miles of the earthquake’s epicenter, including those on Tonga.