The strongest earthquake recorded was magnitude 4.6 at 3:55 p.m. Sunday, at a depth of 14 kilometers (9 miles), the Athens Geodynamic Institute said.

Greek authorities have warned of an increase in seismic activity around the Aegean tourist island of Santorini, advising people to avoid four ports, empty their pools, refrain from gathering in indoor spaces and shut schools on Monday.

An earthquake warning has been issued for Greek holiday island Santorini. The Greek holiday island has seen a series of small earthquakes in recent days. Tremors up to 4.6 in magnitude have been recorded, while nearby earthquakes have measured 4.3 and 3.9 magnitude this morning.

A series of over 200 earthquakes near Santorini have led to school shutdowns and authorities taking precautionary measures. Experts claim these tremors are not linked to the island's volcano, but concerns remain high.

A series of earthquakes near the Greek island of Santorini have led authorities to shut down schools, dispatch rescue teams with sniffer dogs and sent instructions to residents including a request to

The Foreign Office has issued a warning for British travellers hoping to visit one of Greece’s most popular islands. Schools on Santorini have been forced to close down following an increase in seismic activity in the area.

Schools on the Greek tourist island of Santorini will remain closed on Monday after more than 200 small earthquakes shook the region, civil protection authorities announced. Santorini is one of the most popular Greek islands for tourists.