The Greek island of Santorini is being rattled by dozens of tremors, prompting authorities to close schools and airlines to announce additional flights on Monday to help people leave the popular tourist destination.

Hundreds more people were expected to leave Greece's Santorini island on Wednesday as tremors shook the popular summer tourist destination for a sixth day. About 10,000 people have left on ferries and planes in recent days as hundreds of small quakes were registered in the surrounding sea,

Schools on the Greek island of Santorini have been forced to close after reports of "seismic activity". Tremors reaching up to 4.9 in magnitude were recorded northeast of the island on Monday, with recent days also seeing quakes of 4.3 and 3.9 magnitude reported in the vicinity.