Tsunamis are an extreme force of nature that have the ability to affect hundreds of thousands of people at one time and cause billions of dollars of damage. Meteorologist Kelly Reardon takes a ...

Tsunamis form when a sudden event, like an undersea earthquake, displaces a large volume of water. Their size can vary greatly depending on factors.

Waves come from the wind so tsunamis, which are basically bigger waves, must come from more wind, right? Not exactly. This cute animation explains that though normal waves are formed from above ...

Tsunamis form when a sudden event, like an undersea earthquake, displaces a large volume of water. Their size can vary greatly depending on factors.

Tsunamis form when a sudden event, like an undersea earthquake, displaces a large volume of water. Their size can vary greatly depending on factors.

As Japan assesses the toll of yesterday’s 9.0 magnitude earthquake and tsunami, onlookers half a world away are likely wondering if a similar force of nature could strike in the Atlantic. The ...

On Tuesday, a powerful 8.8 magnitude earthquake rocked the area around Russia’s Kamchatka peninsula, resulting in tsunami warnings being issued around the world. But how often do they occur and ...

What causes a tsunami, and how could a powerful earthquake like the one off Russia's coast trigger massive waves?

Giant tsunamis are some of the most powerful and devastating natural disasters on Earth. But how do they actually work? In this video, we break down the science behind giant tsunamis, explaining ...

In 2004, when a tsunami devastated communities in southern Asia, videos shot by tourists and locals became a new tool for analyzing the deadly waves.

Tsunamis are most often caused by large earthquakes, but there can be other sources. The sea floor is disrupted which displaces the ocean water. Waves then start to race outward, at several hundred ...

Weather How do tsunamis form? Following the major 8.8M earthquake in Russia, tsunami alerts were issued for Hawaii, Alaska and the Continental U.S. West Coast Wednesday.