The primary difference is the ways in which tidal waves and tsunamis are formed. Tsunamis and tidal waves have a lot in ...

Seismologists have just registered an earthquake in Seward, Alaska, that is big enough to produce a tsunami. The ocean depth is 4,000 meters. Use the wave speed formula to approximate the tsunami ...

Mathematicians think they have devised a way of calculating the size and force of a tsunami ... high-speed acoustic gravity waves are created after "tsunami trigger events". Cardiff University ...

A tsunami can move hundreds of miles per hour ... The topography of the coastline and the ocean floor will influence the size of the wave. There may be more than one wave and the succeeding ...

"As well as an increase in the size of the crater ... times would have been minimal given the high speeds at which tsunami waves travel," observed Prof Dave Rothery from the UK's Open University.

TOKYO/ MANILA--Tsunami waves of 40 cm (1.3 feet) were observed on Japan's Hachijojima island, some 290 km (180 miles) south of Tokyo, after a major earthquake in the Philippines, the Japan ...