The Greek island of Santorini is being rattled by dozens of tremors, prompting authorities to close schools and airlines to announce additional flights on Monday to help people leave the popular tourist destination.

Thousands of locals flee the picturesque island as experts say rolling tremors ‘not linked to volcanic activity’.

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.