The Pacific Tsunami Warning Center has issued a threat forecast for Russia's Kamchatka Peninsula after two 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.

A tsunami warning has been issued for parts of Russia after a series of earthquakes this morning. Two powerful tremors – the larger with a magnitude of 7.4 – struck the sea near the Far East ...