Small waves of less than a metre in height ... near the city of Sendai in the northeast of the island nation after the tsunami waters retreated.

There may be more than one wave and the succeeding one may be larger than the one before. That is why a small tsunami at one beach can be a giant wave a few miles away. All tsunamis are ...

A major 7.5-magnitude quake off the coast of Alaska triggered small tsunami waves on Monday, US agencies said, but there were no immediate reports of casualties or damage. Residents evacuated to ...

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 ...

Sandanbata Osamu, an assistant professor at the University of Tokyo Earthquake Research Institute, says although the earthquake was fairly small, relatively large tsunami waves have been observed ...

A 7.0 magnitude earthquake has caused slight damage in Tonga and brief evacuations before the threat of a tsunami passed ...

Small tsunami waves were seen, but little damage was apparent hours later. The magnitude 8.1 quake in the Kermadec Islands region about 1,000 kilometers from New Zealand’s two main islands was ...