A video has been widely shared on social media, showing a woman standing near the water's edge as a powerful wave surged toward her, leading many posters and viewers to believe it depicted a tsunami.

The Atlantic is very wide and has a huge tidal range, meaning that a great mass of water rises there twice a day. The Mediterranean is by comparison very small, with very little tidal range. The two ...

The tsunami that tore through northern Japan on March 11 was catastrophically strong. The waves—triggered by a 9.0 earthquake—swamped coastal towns, destroyed homes and offices and led to the deaths ...

A study published in the Proceedings of the National Academy of Sciences says a mega tsunami with 100-foot waves is going to hit the U.S.

A tsunami is a series of waves generated by a large and sudden displacement of the ocean. Large earthquakes below or near the ocean floor are the most common cause, but landslides, volcanic activity, ...

Following the major 8.8M earthquake off the coast of Russia, tsunami alerts were issued for Hawaii, Alaska and the Continental U.S. West Coast Wednesday. Evacuations were ordered as well. And that's ...

Much of the West Coast of the U.S. is under tsunami alerts, after one of the largest earthquakes ever recorded struck eastern Russia and sent powerful waves into Japan, Hawaii, California and counting ...