Fears are increasing that the Greek island of Santorini will be hit by a strong earthquake. Hundreds of tremors have been recorded in the past few days, potentially affecting Santorini and the islands of Anafi,

According to officials, more than 11,000 people have left Santorini, with around 7,000 departing by ferry and 4,000 people leaving by air. Hundreds of earthquakes have rocked the island, the strongest of which was a magnitude five tremor on Tuesday.

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.

Santorini, often called Greece’s "Instagram Island," is famous for its whitewashed buildings and breathtaking caldera, a volcanic crater created by one of the largest known eruptions around 3,600 years ago.

A tremor with a magnitude of 4.8 was recorded early Tuesday, just shy of a 4.9 quake recorded over the weekend – the strongest so far.

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.

Predicting earthquakes is not scientifically possible, and experts cannot yet determine definitively whether what has been occurring between Santorini and Amorgos could be a precu

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.

Hundreds of earthquakes that have rattled the Greek islands since last week have prompted the evacuation of thousands from the tourist hotspot of Santorini.