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,

Increased volcanic activity in Greece’s famed tourist hotspot of Santorini has prompted the country’s civil protection minister to call a meeting with local and disaster response officials. In an announcement late Wednesday,

Greek authorities have issued a warning to visitors to one of its most famous islands due to a surge in volcanic activity.

The strongest earthquake recorded was magnitude 4.6 at 3:55 p.m. Sunday, at a depth of 14 kilometers (9 miles), the Athens Geodynamic Institute said.

An earthquake swarm consisting of more than 130 earthquakes with a magnitude of 3.0 or less has struck the island in the last 72 hours