A powerful earthquake and a rare volcanic eruption shook Russia's Kamchatka Peninsula and the Kuril Islands, prompting tsunami warnings and raising concerns among emergency officials and seismologists.

Tsunami waves were possible in three areas of Kamchatka in Russia's Far East, the nation's Ministry for Emergency Services said on Sunday (Aug 3) after a 7.0 magnitude earthquake hit the nearby Kuril Islands.

Hawaii officials have confirmed there is no tsunami threat to the state after a powerful magnitude-7 earthquake struck Russia ’s Kuril Islands on Sunday. Oahu Emergency Management confirmed the quake posed no danger to Hawaii. The Pacific Tsunami Warning System also reported that no tsunami alert had been issued.