Somewhere around 7,000 years ago, a tsunami struck the southern edge of Tongatapu, picked up a giant boulder, and slid it 200 ...

In order to move the “exceptional” and massive rock, the tsunami was likely around 164-feet tall — the height of the Arc de Triomphe.

Today, we’re taking a look at the largest tsunami known ... natural disasters to ever occur. Although the loss of life was great, it spurred change around the world. A greater emphasis was ...

Analysis has shown a boulder weighing almost 1,200 tons in Tonga is one of the largest known wave-transported rocks in the ...

Sirachai Arunrugstichai/Getty Thousands gathered in mourning on Thursday, Dec. 26, to mark two decades since the world’s largest tsunami. On Dec. 26, 2004, in one of the worst natural ...

The biggest tsunami ever recorded was in Lituya Bay, Alaska, reaching an astonishing 1,724 feet in the air. On July 9, 1958, a 7.7 magnitude earthquake caused 90 million tons of rock and ice to ...