Residents have been warned to avoid indoor gatherings, check escape routes, stay away from cliffs and to drain swimming pools to reduce potential structural damage to buildings in the event of a large earthquake.

Greek officials are warning those on the popular tourist island destination of Santorini to stay alert in the coming days due to increasing seismic activity which could mean a strong earthquake is possible.

The popular Greek holiday island of Santorini is taking emergency measures in response to intense seismic activity.

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

Thousands of people evacuated Santorini after a series of earthquakes in recent days hit the picturesque Greek island with fears of additional tremors.

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.

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,

Greek Prime Minister Kyriakos Mitsotakis has urged people on the island of Santorini to "stay calm" after an increase in seismic activity. His remarks come as schools were told to close on Monday and authorities advised against large gatherings in enclosed spaces across the island,

Schools have been shut and public gatherings are being discouraged on the Greek island of Santorini as local authorities put the popular tourist spot on high alert for a big earthquake, following scores of small temblors over the last two days.