The Kuril Islands stretch from the southern tip of Kamchatka Peninsula. Russian scientists had warned on Wednesday that strong aftershocks were possible in the region in the next several weeks.

No tsunami threat to Hawaii from 7-magnitude earthquake near Russia’s Kuril Islands, officials say - A powerful magnitude 7 earthquake struck Russia’s Kuril Islands

A tsunami advisory was also issued for parts of Alaska and the entire West Coast after a powerful earthquake off Russia's Kamchatka Peninsula.