surveyed area is located in the Castelluccio depression, a tectonic basin in the Central
Apennines, close to the western border of the Mt. Vettore. Its West flank is characterised by a
set of W-dipping normal faults, considered active and capable of generating strong
earthquakes (Mw= 6.5, Galli et al., 2008). A secondary fault strand, already studied with
paleo-seismological analysis (Galadini and Galli, 2003), has been observed in the …