Greece's Earthquake Planning and Protection Organization

5.4-magnitude tremor strikes off Zakynthos

A 5.4-magnitude earthquake hit 49 kilometers southwest of the Ionian island of Zakynthos on Tuesday afternoon, according to a preliminary reading of the Athens Geodynamic Institute.

The focal depth is estimated at 10 kilometers. The tremor was felt as far as Athens, but no injuries or damages were immediately reported. 

Quake rattles Gulf of Laconia in southern Peloponnese

A quake measuring 4.7 on the Richter scale rattled southeastern Peloponnese just before noon on Tuesday morning and was felt some 300 kilometers away in Athens.

The Geodynamic Institute put the epicenter 18 kilometers southeast of the coastal village of Gytheio and 54 kilometers from Sparta, while its depth was at 5 kilometers.