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

After powerful earth tremors in the Pacific Ocean, residents of several settlements in Kamchatka had been advised to climb to elevations 30-40 metres high or move at least 2-3 kilometres away from the coast because of the tsunami threat,

Residents of Russia's Kamchatka Peninsula were warned of potential tsunami waves 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 threat was issued off the Kamchatka coast, according to the U.S. Tsunami Warning System.