Authorities have declared a state of emergency on a second Greek island as a series of earthquakes continued to rattle the south-eastern Aegean Sea region

Schools on four Greek islands will remain closed through next week as earthquakes continue to rattle the region.

Authorities Respond to Growing Earthquake Swarm in the Aegean

Anafi Island in Greece has become the third Greek island to enter a state of emergency as powerful earthquake tremors intensify in waters near the popular tourist destination of Santorini in recent days.

Earlier this month the UK Foreign Office issued travel advice for British tourists in the area - with thousands of earthquakes reported in recent weeks

Seismologists have noted that the epicentre of the earthquakes is steadily drifting northward in the direction of Amorgos.