A massive 1,000-foot "mega tsunami" could strike the U.S. West Coast — and scientists say it’s not a matter of if, but when.

A tsunami threat was issued Thursday afternoon following a 7.8-magnitude earthquake off the east coast of Russia.

Alaska receives tsunami advisory following magnitude 7.8 earthquake off Russia's eastern coast, September 18. National ...

The National Tsunami Warning Center reported that there is no risk for a "destructive tsunami" to Washington state after a ...

A 7.8 magnitude undersea earthquake near Russia caused a tsunami scare. Here's why we fear the destructive waves ...

A strong earthquake along Russia's Kamchatka Peninsula caused the National Weather Service to issue a tsunami advisory for ...

The magnitude 7.8 earthquake struck off the eastern coast of Russia, prompting close monitoring in Alaska, Hawaii and the U.S ...

Authorities have announced there was no tsunami risk to British Columbia's coast after a brief scare triggered by a 7.

There is no tsunami threat to B.C. following a 7.8 magnitude earthquake rumbled 255 miles (410 kilometres) southwest of ...

A seismic jolt off Russia's coast has stirred the waters, prompting a tsunami advisory for parts of the U.S. Could this be a ...

The National Tsunami Warning Center had issued an advisory for the western end of the Aleutian Islands, from Amchitka Pass to ...