Emergencies rescue crews have been deployed to the Greek volcanic island of Santorini after a spike in seismic activity sparked concerns of an imminent earthquake. Hundreds of quakes with magnitudes between 3 and 4.

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,