The volcanic ash plume following the eruption reached an altitude of more than 4.7 miles and activity is still ongoing. The eruptions marked the first major activity from Mount Agung since 1963, ...

Iceland's Reykjanes Peninsula exploded in volcanic eruptions on December 18—creating an astonishing 2.5-mile-long fissure whose southern segment is seen here near the coastal town of Grindavik.