Santorini - one of Greece's most visited islands - relies heavily on seasonal workers from other parts of Greece and abroad, who help the permanent population of just over 15,000 to serve tens of thousands of tourists on the island each day in peak season.

Scientists have detected several thousand earthquakes, the vast majority of them with small magnitudes, in just over two weeks near Greece's volcanic island of Santorini, the University of Athens' crisis management committee said Tuesday,