Largest active volcano in the northern hemisphere began erupting on Wednesday afternoon following the huge earthquake in Russia's far east.

A volcano in eastern Russia erupted for the first time in 475 years, prompting a tsunami warning. The Krasheninnikov volcano in Kamchatka became active days after one of the strongest earthquakes ever recorded hit the region.

MOSCOW—A volcano erupted for the first time in 450 years in Russia’s eastern Kamchatka region, the nation’s emergency authority said Sunday, days after