A tsunami is a series of ocean waves that sends surges of water, sometimes reaching heights of over 100 feet (30.5 meters), ...

Here are key facts about tsunamis and the damage they can cause: Shock of water A tsunami is a shock of water that spreads through the sea, usually triggered by a strong earthquake beneath the ...

A huge sub-sea quake generated a tsunami in the Pacific Ocean on Wednesday, killing an unknown number of people in American and Western Samoa and sowing fear as far as New Zealand.