The strongest earthquake yet after days of near-constant tremors has been recorded near the island of Santorini, the famous Greek tourist haven now almost emptied of visitors and residents.

More than 11,000 people have already left Santorini with around 7,000 departing by ferry and 4,000 people leaving by air. The quake followed two smaller tremors minutes earlier, and was recorded at 21:09 local time (19:09 GMT) as a magnitude 5.