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.

Authorities on Greece’s tourist island of Santorini ordered school closures on Sunday as the island braced for further tremors after more than 200

Schools on the Greek island of Santorini have been told to close on Monday in response to an increase in seismic activity in recent days. Authorities have also advised against "large gatherings in enclosed spaces" across the island - a popular tourist destination known for its whitewashed buildings and blue domed churches.

ATHENS: 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.

More than 200 tremors near the island of Santorini have prompted Greek authorities to close schools and tell residents to avoid some ports and drain swimming pools. Earthquake experts say the increase in seismic activity around the Aegean tourist island - known for its whitewashed buildings and black-sand beaches - is not related to volcanic activity.

Increased volcanic activity in Greece’s famed tourist hotspot of Santorini has prompted the country’s civil protection minister to call a meeting with local and disaster response officials.

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.