A 4.5-magnitude earthquake was recorded in the sea area between the islands of Amorgos and Santorini in the early hours of Monday. The tremor struck 23 km south-southwest of the settlement of Arkesini, in southern Amorgos, at 1.08 a.m., according to the Geodynamics Institute of the National Observatory of Athens.
This quake followed a 4.2-magnitude tremor 18 km south-southwest of Arkesini at 10.55 p.m. on Sunday.
According to the Laboratory of Seismology at the University of Athens, more than 16,900 earthquakes of magnitude 1.0 or higher have been recorded in the sea zone between Amorgos and Santorini between January 26 and February 14.