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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/9848

Authors: Villani, Fabio*
Tulliani, Valerio*
Sapia, Vincenzo*
Fierro, Elisa*
Civico, Riccardo*
Baccheschi, Paola*
Di Giulio, Giuseppe*
Vassallo, Maurizio*
Pantosti, Daniela*
Title: Shallow subsurface imaging of the Piano di Pezza active normal fault (central Italy) using high-resolution refraction and electrical resistivity tomography coupled with time-domain electromagnetic data
Editors: Blumetti, Anna Maria; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia
Cinti, Francesca; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia
De Martini, Paolo Marco; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia
Galadini, Fabrizio; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia
Guerrieri, Luca
Michetti, Alessandro
Pantosti, Daniela; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia
Issue Date: 19-Apr-2015
Publisher: Miscellana INGV
DOI: http://www.ingv.it/editoria/miscellanea/2015/miscellanea27/
Keywords: Central Apennines
Seismic refraction
electrical resistivity tomography
time-domain electromagnetic measurement
active fault
Abstract: The Piano di Pezza fault (PPF) is the north-westernmost segment of the >20 km long Ovindoli-Pezza active normal fault-system (central Italy). Although existing paleoseismic data document high vertical Holocene slip rates (~1 mm/yr) and a remarkable seismogenic potential of this fault, its subsurface setting and Pleistocene cumulative displacement are still unknown. We investigated the shallow subsurface of a key section of the PPF using seismic and electrical resistivity tomography coupled with time-domain electromagnetic measurements (TDEM). We provide 2-D Vp and resistivity images showing details of the fault structure and the geometry of the shallow basin infill down to 35-40 m depth. We can estimate the dip and the Holocene vertical displacement of the master fault. TDEM measurements in the fault hangingwall indicate that the pre-Quaternary carbonate basement may be found at ~90-100 m depth.
Appears in Collections:Conference materials
05.09.99. General or miscellaneous

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