Iceland volcano eruption throws spectacular 160-foot-high wall of lava toward Grindavík

An aerial picture of a volcanic fissure spewing lava in Iceland.

A volcano on Iceland's Reykjanes Peninsula has erupted just three weeks after the last eruption ended, spewing huge walls of lava toward the town of Grindavík.

Iceland's Civil Protection warned residents and emergency responders to be ready to evacuate the town at short notice in a translated statement.