Residents on the popular island of Santorini have experienced thousands of earthquakes this month while researchers have revealed a new magma chamber growing underneath the Kolumbo submarine volcano.

ATHENS, Greece — 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, adding that a larger quake cannot be ruled out.

Experts say the Greek island of Santorini has been hit by more than 1,000 earthquakes, but they're not linked to the region's active volcanoes.