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Authors: Di Capua, G.* 
Compagnoni, M.* 
Di Giulio, G.* 
Marchetti, M.* 
Milana, G.* 
Peppoloni, S.* 
Pergalani, F.* 
Sapia, V.* 
Title: The seismic microzonation of level 3 of Sant’Agata Fossili (northern Italy) based on a multidisciplinary approach
Issue Date: 2014
Series/Report no.: /57 (2014)
DOI: 10.4401/ag-6363
Keywords: Seismic microzoning
Amplification factors
Elastic acceleration response spectra
Seismic refraction
Electrical resistivity tomography
Italian Building Code
Subject Classification04. Solid Earth::04.06. Seismology::04.06.04. Ground motion 
04. Solid Earth::04.06. Seismology::04.06.05. Historical seismology 
04. Solid Earth::04.06. Seismology::04.06.06. Surveys, measurements, and monitoring 
04. Solid Earth::04.06. Seismology::04.06.11. Seismic risk 
Abstract: In this paper the results of a detailed seismic microzonation, performed at Sant’Agata Fossili (Piemonte region, northern Italy) are presented. We study the local seismic response of this small village using a level 3, that is the most accurate level following the Italian code of seismic microzonation. The activity steps consist in a gradual widening of knowledge of the different aspects of the amplification phenomena. A multidisciplinary approach has been performed to obtain the local seismic response: including a study of local geology, geophysical and geotechnical characterization of the lithologies, and numerical and experimental analyses. We finally compare the obtained elastic response spectra to the prescribed spectra of the Italian Building Code (in Italian: Norme Tecniche per le Costruzioni). Our results show the geologic and geophysical differences of the subsoil, that produce different local seismic response in terms of amplification factors and acceleration response spectra.
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