Earthquakes in Greece. Get the latest Greece Earthquake information. Real Time Notification for earthquakes bigger than 3M. Watch the location of earthquakes on a map. Data are provided from the four different places. 1. Department of Geophysics-Geothermics, University of Athens. 2. NationalObservatory of Athens. 3. U. S. Geological Survey. 4. Euro-Med Seismological Centre.