An earthquake triggered by Mount Etna's ongoing eruption has jolted eastern Sicily, injuring nearly 30 people. <br />The 4.8-magnitude tremor was the biggest since Europe's biggest volcano erupted on Christmas Eve, setting off hundreds of smaller tremors. <br />Officials say the injuries were minor and were caused by falling debris from damaged buildings.<br />Mount Etna has been shooting lava and heavy smoke in recent days, coating nearby villages with volcanic ash. <br />
