Tsunamis form when an undersea earthquake displaces a large volume of water, creating low waves, often 1-2ft high, in the open ocean.

Far beneath the waves, down in the depths of the Japan Trench — seven kilometres below sea level — lie hidden clues about some of the most powerful earthquakes and tsunamis on Earth. From September to ...

NASA’s SWOT satellite measured a Kamchatka tsunami in unprecedented detail, helping NOAA fine-tune models and improve early ...

A groundbreaking study from Virginia Tech warned that three US states are at significant risk of experiencing catastrophic ...

A silent menace looms off America's Pacific coast, with a 15 per cent chance of a catastrophic mega-tsunami striking within ...

Thanks to the simultaneous appearance of a week-long wave in an East Greenland fjord, seismologists hypothesized that the signals were the result of a pair of "mega-tsunamis," which were triggered ...

For example, by examining marine sediments, experts were able to confirm a 1,312-foot tsunami that struck the Hawaiian island of Lanai 105,000 years ago.

The earthquake was one of the strongest ever recorded, but its tsunami was not as bad as feared.

Waves that may have reached 100 feet scoured an inlet that’s frequented by cruise ships, tour vessels and pleasure boats.

One tectonic plate is most in question, in terms of potential destruction and a mega-tsunami for the west coast of North America – the Cascadia Subduction Zone.

One of the most powerful earthquakes in history triggered a tsunami that made landfall in Russia, Japan and the US.