An eastern Russian volcano has erupted for the first time in more than 500 years, which may have been related to an 8.8 magnitude earthquake last week... The Krasheninnikov Volcano on the Kamchatka Peninsula emitted a plume of ash 3.7 miles into the sky overnight. The last recorded eruption of the volcano happened in the 15th century.. ... Last week's massive earthquake was the latest in a series of seismic events in the region, including another temblor that shook a region 11 times zones away from Moscow on the Pacific peninsula ... Krasheninnikov is one of 8 volcanoes nestled among...