A strong earthquake measuring 5.2 on the Richter scale occurred off the Greek island of Hydra at 10:27am today, Monday.
Authorities claimed the epicentre of the earthquake was in the sea about 53km southeast of Hydra, and originated at a depth of 90km.
According to reports, the earthquake was felt in many areas including Athens, Boeotia, Crete, Kythira, Laconia, Argolis and Milos.
No injuries or damages have been reported.