Schools remain shut and evacuation flights are underway after Greek holiday island Santorini was shaken by earthquakes for the fourth day in a row. A spike in seismic activity has been recorded on the volcanic island in the Aegean Sea since Friday,

Prominent Greek seismologist Gerasimos Papadopoulos cautioned that the current earthquake sequence – displayed on live seismic maps as a growing cluster of dots between the islands of Santorini, Ios, Amorgos, and Anafi — could indicate a larger impending event.

AN EARTHQUAKE warning has been issued for Santorini with schools closed on the holiday island. The Greek paradise has been rocked by a series of small quakes leading authorities to take