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

Tsunami threat is over after three earthquakes, one with a 7.4 magnitude, hit Petropavlovsk-Kamchatsky, the capital of Kamchatka region in Russia.There were also seismic events with magnitudes

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