They weren't warned of the tidal wave.

It is carried away by tidal waves.

There was an earthquake and, in addition, there was a tsunami.

Last year in the Philippines, earthquakes and tidal waves resulted in the deaths of more than 6000 people.

The earthquake created a tremendous sea wave.

War is not a natural disaster like an earthquake or a tsunami. It does not come without warning.

It is expected that the tsunami surge will be ten meters or less.

A tsunami is coming, so please be on the alert.

During the 2011 Tohoku earthquake, the height of the tsunami waves reached up to 37.9 meters.

You need not worry about the tsunami due to this earthquake.

During the Golden Week holidays, many volunteers went to the quake and tsunami-hit areas in Tohoku.

This is about 8 feet above sea level. In case of a tsunami, please evacuate to higher ground immediately.

Tom's house was destroyed in the tsunami.