Repeated earthquakes are rattling Greece’s volcanic island of Santorini. The quakes are prompting authorities to dispatch rescuers with tents, a sniffer dog and drones and to shut down schools on four islands.

The crescent-shaped island of Santorini is one of Greece’s most popular tourist destinations, drawing visitors from across the world for its whitewashed houses and blue-domed churches clinging to the cliff edge of the flooded caldera.

A series of earthquakes near the Greek island of Santorini have led authorities to shut down schools, dispatch rescue teams with sniffer dogs and sent instructions to residents including a request to