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

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.

The Pacific Tsunami Warning Center has issued a warning for Russia's Kamchatka Peninsula. This follows two earthquakes in the ...

A powerful series of undersea quakes, including a 7.4 magnitude tremor, struck off Russia’s Kamchatka Peninsula on Sunday, ...