(a) Index map of Italy and the Tyrrhenian Sea and location of the study area. SCM = Southern Campania Margin, NCM = Northern Campania Margin, CB = Crotone Basin, PB = Paola Basin, MB = Marsili Basin, VB = Vavilov Basin. (b) Index map of seismic grid, deep wells, seafloor dredges and stratigraphic succession of ODP 650 well site. MI = Mina 1 well, ML = Milena 1 well, MR = Margherita Mare 1 well, SE = Sele 1 well, AC = Acerno 1 well, RD = Roccadaspide 1 well, CI = Cicerale 1 dir well, PE = Perdifumo 1 well. SV = Salerno Valley, CB = Capri Basin. APP = Apennine platform unit (Mesozoic-Cenozoic). Q = Quaternary rocks, B = basalts.