The latest of hundreds of earthquakes rattled the volcanic Greek island of Santorini on Tuesday after the strongest one so far with magnitude 5.3. Medical staff staged a hospital evacuation drill as scientists say it's unclear whether the weeks of highly unusual seismic activity precede a larger quake.
Several more quakes with magnitudes between 4 and 4.8 and hit Tuesday with epicenters between the islands of Amorgos and Santorini, one of Greece’s most popular tourist destinations.
