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

A spike in seismic activity on Santorini has spooked many on the island with concerns about a potentially powerful earthquake. Residents and visitors were advised to avoid large indoor gatherings and areas where rock slides could occur,

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 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.

Despite dozens of minor earthquakes in recent days, Greek scientists have ruled out a massive earthquake hitting Greece's Santorini island.

More than 200 tremors have been registered since Friday between the Greek volcanic islands of Santorini and Amorgos.

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

More than 200 tremors have been registered since Friday between the volcanic islands of Santorini and Amorgos, the civil protection ministry said in a statement on Sunday, citing experts tasked with assessing earthquake risks and monitoring Greece’s volcanic arc.

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.

Greek authorities have warned of an increase in seismic activity around the Aegean tourist island of Santorini, advising people to avoid four ports, empty their pools, refrain from gathering in indoor spaces and shut schools on Monday.