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.

Russia's Ministry for Emergency Services lifted a tsunami warning for the Kamchatka Peninsula on Sunday (Aug 3) after a 7.0 magnitude earthquake hit the nearby Kuril Islands. The ministry had said earlier on the Telegram messaging app that expected wave heights were low,

After 600 years, Russia's Krasheninnikov volcano erupted on Sunday in Kamchatka, sending ash six kilometres high. Authorities issued an orange aviation warning, with the plume drifting southeast toward the Pacific Ocean.