A state of emergency has been declared in Santorini after the strongest earthquake was recorded in days of near-constant tremors, which have almost emptied the famous Greek tourist haven of visitors and residents.

More than 11,000 people have already left the island of Santorini following a series of tremors in recent days.

Greece has declared a state of emergency on Santorini because of the hundreds of undersea earthquakes that have shaken the resort island for nearly a week