Five powerful quakes, including one with a magnitude of 7.4, struck in the sea off Russia's Kamchatka Peninsula.

The Pacific Tsunami Warning Center says there is no longer a danger of tsunami waves on Russia's Kamchatka Peninsula after five powerful earthquakes struck nearby on Sunday.

Officials in Hawaii issued a tsunami watch on Saturday evening as a series of earthquakes, including a 7.4 magnitude one, struck off the Russian coast, according to the U.S. Geological Survey.

Communities along a 700-mile stretch of Alaska’s southern coast ordered their residents to higher ground after a powerful earthquake, but officials quickly downgraded and then canceled a tsunami warni ...

A catastrophic 100-foot tsunami could strike the US West Coast at any moment — and scientists are sounding the alarm.

Large parts of the US are under threat of being submerged under water by a megatsunami that will alter the countrys coastline ...

Scientists are warning that a 100-foot, Doomsday-style tsunami is primed to hit the US West Coast at any moment. Yet ...

A doomsday tsunami is likely to strike the US in the near future, but scientists say it's better if it hits sooner rather ...

If the ocean floor had a nervous system, it might look something like this: thousands of miles of fiber-optic cables ...