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

The eruption had been anticipated for several weeks, as scientists had observed the crater gradually filling with lava and ash emissions increasing.

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,