A 7.5-magnitude earthquake in the Caribbean Sea has placed Puerto Rico and the U.S. Virgin Islands under a tsunami advisory.

For months, experts were at a loss as to what caused the tsunami observed over a wide stretch of the Pacific Ocean in October last year. No major earthquakes were detected that day. But the Japan ...

CANNON BEACH Ore. (KPTV) – A magnitude 7.0 earthquake off the Northern California coast caused a tsunami warning in parts of Oregon Thursday. The event, which occurred at approximately 10:45 a.m ...

The powerful quake, which struck 10 km below the Earth's surface, has prompted the National Weather Service's (NWS) Pacific ...

and ice falling into the ocean, volcanic eruptions, and meteor impacts, can also produce a tsunami. Because of the high number of subduction zones under the Pacific Ocean and Indonesia ...

Within weeks of the Indian Ocean tsunami, President Bush ordered that 32 additional such buoys be added to the Pacific as well as to the Atlantic and Caribbean (neither of which currently has a ...

A massive underwater volcano known as Axial Seamount could erupt soon, completely reshaping the floor of the Pacific Ocean.

Japan extended a tsunami advisory for more coastal regions along Pacific Ocean on Monday after issuing it to the two island areas south of Tokyo. The advisory is in effect as far southwest as the ...

The disaster was made worse by the fact that the Indian Ocean had no tsunami early warning system, in contrast to the Pacific, which has had one for 40 years. The need for such a system was well ...

In 2004, a 9.1 magnitude earthquake off the island of Sumatra in western Indonesia triggered a tsunami in the Indian Ocean that killed more than 220,000 people across 12 countries. Ali Rogin ...