ATHENS, Greece — 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.

Some locals and travelers are choosing to preemptively evacuate the Greek island of Santorini amidst the spike in seismic activity.

Fears are increasing that the Greek island of Santorini will be hit by a strong earthquake after more than 200 undersea tremors were recorded in the vicinity over the weekend. Two earthquakes classified as “weak” took place in the early hours of Monday morning close to Santorini and the islands of Anafi,