But the danger appeared to be waning in some places, with the US state of Hawaii and Japan downgrading their warnings.

The world has witnessed several catastrophic earthquakes, with the 1960 Valdivia, Chile quake topping the list at magnitude 9 ...

An 8.8-magnitude earthquake, one of the largest in the past century, struck off the coast of Russia this week, prompting ...

A tsunami sent waves into parts of Russia, Japan, Hawaii and the U.S. West Coast after an 8.8 magnitude earthquake struck off ...

A powerful quake off Russia's coast may have set off a chain reaction across the Ring of Fire, raising the risk of an ...

The Pacific Tsunami Warning Center says the threat of tsunami waves remains for much of the region, but Hawai'i is the only ...