Multiple earthquakes are rattling Santorini, a volcanic island in Greece, prompting authorities to dispatch rescuers with tents, a sniffer dog and drones, and to shut schools on four islands. Residents have been warned to avoid indoor gatherings,

Thousands of people were leaving the Greek island of Santorini by sea and air for a third day as an unprecendented series of earthquakes shook the top travel destination.

Thousands are evacuating Santorini following a series of earthquakes since last week. Approximately 6,000 people have left, with more expected. A 4.9 magnitude quake struck early Tuesday, though no major damage or injuries have been reported.