While Greece is in a highly seismically active area, it's extremely rare for any part of the country to experience such an intense barrage of frequent earthquakes.

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.

A 5.3 magnitude earthquake struck near Santorini, Greece, the latest in a series of temblors near the popular tourist destination.