GNGTS 2017 - 36° Convegno Nazionale

80 GNGTS 2017 S essione 1.1 Fig. 1 - Location of the 2017, July 21 earthquake with aftershocks and main faults (from Lekkas et al. , 2017). National Observatory of Athens, the Director of which, N. Kritikos, provided to the newspaper and mentioned that there are two candidate epicentres (stars in the map; he mentioned that the most probable is the northern one, in Kerameikos gulf). Magnitude and epicentral location are known from several sources including Ambraseys (2001), Papazachos and Papazachou (2003), Kalafat et al. (2011), Storchak et al. (2013), Makropoulos et al. (2012) and the SHEEC catalogue (Gruenthal et al., 2013), which is based on Makropoulos et al. (2012) for that area. The relevant parameters are given in Tab. 1: Fig. 2 - Epicentral sketch by the National ObservatoryofAthens (Newspaper“Akropolis”, 25.04.1933).