The Greek Database of Seismogenic Sources (GreDaSS): state-of-the-art.

The Aegean Region is among the most tectonically active areas of the Mediterranean Sea with the highest seismicity both in terms of frequency of events and magnitudes. There is a huge amount of national and international literature on the above topic providing rich, though jeopardized, information on the many aspects of the seismogenic structures and specific earthquakes. Following a former experience in the frame of the European FAUST Project (1998-2000), we think it is now time for a throughout critical revision of all the available data in order to create a homogeneous and possibly complete database. The major goals of this new reasearch project (GreDaSS: Greek Database of Seismogenic Sources) are (i) the systematic collection of all available information concerning active faults, capable faults and broader seismogenic volumes within the broader Aegean Region; (ii) the quantification of the principal seismotectonic parameters of the different sources as well as their degree of uncertainty; (iii) to supply an integrated view of potentially damaging seismogenic sources for a better assessment of the seismic hazard of Greece. The informatic framework of the database follows closely that used for the Italian Database of Individual Seismogenic Sources (DISS), which represents the result of almost twenty years experience of its Working Group.