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

Tsunami waves have reached the US west coast after a 8.8 magnitude earthquake off Russia's eastern coast triggered warnings ...

The Atlantic coastline is vulnerable to tsunamis triggered by earthquakes and landslides across the ocean basin ...

Your essential guide to understanding tsunamis, including how they're caused, their devastating effects, and how early warning systems work.

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

A magnitude 8.2 earthquake caused a tsunami that killed more than 5,200 people on Dec. 30, 1703, according to NOAA data. The event occurred off the southwest Boso Peninsula, which is just south of ...

Meteorite impacts and other rare causes: Although much less common, large meteorites striking the ocean can create tsunamis, as can underwater nuclear tests and other large underwater explosions.

One of the world’s strongest earthquakes struck Russia’s Far East early Wednesday, an 8.8-magnitude temblor that set off a tsunami in the northern Pacific region and prompted warnings for Alaska, ...

A tsunami warning issued for Hawaii after one of the strongest earthquakes ever recorded, an 8.8 magnitude in Russia's Far ...

Securing flood insurance is the first step in addressing gaps in coverage for tsunamis. When determining the amount of ...

A tsunami that followed a powerful earthquake off the coast of Russia on July 29 caused $1 million in damage to Crescent City ...