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

A powerful 7.4 earthquake has struck off the coast of Russia, with the tremor felt in Alaska, Japan, and Hawaii, prompting tsunami warnings to be issued in the region

S everal earthquakes, including a 7.4 magnitude one, struck off the Russian coast on Sunday, according to the U.S. Geological Survey, prompting brief warnings of potential tsunami waves on the nearby peninsula and farther across the Pacific in Hawaii.