This image provided by the Italian National Institute of Geophysics and Volcanology shows a strombolian explosion from the active pit crater on the east flank of the Southeast Crater cone of Mount Etna Wednesday evening of Jan. 12, 2011 as seen from Piano del Vescovo, at 1375 m elevation on the southeast flank of Etna. (AP Photo/Boris Behncke, Italian National Institute of Geophysics and Volcanology-Catania)
January 13, 2011 5:15:55 AM PST
ROME - January 13, 2011 --
Italy's Mount Etna has come back to life with a brief eruption that sent lava down its slopes and a cloud of ash into the sky, forcing the overnight closure of a nearby airport.