Russia's Klyuchevskoy volcano, the largest active one in the northern hemisphere, erupted on Wednesday following a significant earthquake off the country's eastern coast. Lava is flowing down the western slope,

Hours after a powerful earthquake struck off Russia's Kamchatka Peninsula, the region's highest volcano began erupting. Geophysicists from the Russian Academy of Sciences reported a strong glow visible at the summit of the 4,750-metre Klyuchevskoy volcano in the Russian Far East.

The Klyuchevskoy eruption was hours after a huge earthquake early Wednesday triggered a tsunami that sent waves across the Pacific.