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Authors: Amato, Vincenzo* 
Aucelli, Pietro Patrizio Ciro* 
Bellucci Sessa, Eliana* 
Cesarano, Massimo* 
Incontri, Pietro* 
Pappone, Gerardo* 
Valente, Ettore* 
Vilardo, Giuseppe* 
Title: Multidisciplinary approach for fault detection: Integration of PS-InSAR, geomorphological, stratigraphic and structural data in the Venafro intermontane basin (Central-Southern Apennines, Italy)
Issue Date: 24-Jan-2017
Series/Report no.: /283 (2017)
DOI: 10.1016/j.geomorph.2017.01.027
Keywords: Faults detection
Ground deformation
Intermontane basins
Central-Southern Apennines
Subject Classification04.04. Geology 
Abstract: A multidisciplinary methodology, integrating stratigraphic, geomorphological and structural data, combined with GIS-aided analysis and PS-InSAR interferometric data,was applied to characterize the relationships between ground deformations and the stratigraphic and themorphostructural setting of the Venafro intermontane basin. This basin is a morphostructural depression related to NW-SE and NE-SW oriented high angle normal faults bordering and crossing it. In particular, a well-known active fault crossing the plain is the Aquae Juliae Fault, whose recent activity is evidenced by archeoseismological data. The approach applied here reveals newevidence of possible faulting, acting during the Lower to Upper Pleistocene, which has driven the morphotectonic and the environmental evolution of the basin. In particular, the tectonic setting emerging from this study highlights the influence of theNW-SE oriented extensional phase during the late Lower Pleistocene – earlyMiddle Pleistocene, in the generation of NE-SWtrending, SE dipping, high-angle faults andNW-SE trending, high-angle transtensive faults. This phase has been followed by a NE-SW extensional one, responsible for the formation of NW-SE trending, both NWand SE dipping, high-angle normal faults, and the reactivation of the oldest NE-SWoriented structures. These NW-SE trending normal faults include the Aquae Juliae Fault and a new one, unknown until now, crossing the plain between the Venafro village and the Colle Cupone Mt. (hereinafter named the Venafro-Colle Cupone Fault, VCCF). This fault has controlled deposition of the youngest sedimentary units (late Middle Pleistocene to late Upper Pleistocene) suggesting its recent activity and it is well constrained by PSInSAR data, as testified by the increase of the subsidence rate in the hanging wall block.
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