Mitsotakis's remarks come as many people in Santorini spent Sunday night outdoors, amid fears of potential damage to buildings during the quakes. Some focal points of the tremors have been recorded at a depth of just 2km (1.2miles) below the surface.

The hundreds of minor and moderate tremors to shake Santorini over the past 12 days have prompted more than a third of the island's 16,000 residents to leave for the mainland out of fear a major earthquake could soon strike,

Thousands of people were leaving the Greek island of Santorini by sea and air for a third day Tuesday as an unprecendented series of earthquakes shook the top travel destination.