Repeated earthquakes are rattling Greece’s volcanic island of Santorini. Scientists say the quakes aren't related to a slight increase in volcanic activity that has also been registered recently.

Hundreds of quakes have been registered in recent days in the Aegean Sea between Santorini and Amorgos, prompting authorities to shut schools and the islands of Ios, Amorgos and Anafi.

Thousands of residents have fled the picturesque island of Santorini as relentless earthquakes continue to shake the renowned Greek tourist hotspot. Reports said hundreds were seen at the island’s port Tuesday morning,