A 3.7 earthquake on the Richter scale struck Monday morning west of Tilos, a small island located between Kos and Rhodes.
According to the Geodynamic Institute of the National Observatory of Athens, the tremor was recorded 17 kilometres west of the island.
A strong earthquake measuring 5.2 on the Richter scale had occurred late at night on April 13 in the sea area between Kos and Tilos.
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