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,

Kamchatka: A series of strong earthquakes struck off the coast of Russia’s far eastern Kamchatka Peninsula on Sunday, July 20, including a powerful 7.4-magnitude earthquake following which the United States Geological Survey (USGS) issued a tsunami warning.