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Authors: Bohm, G.* 
Luzi, L.* 
Galadini, F.* 
Title: Tomographic depth seismic velocity model below the plain of Norcia (Italy) for site effect studies
Issue Date: 2011
Series/Report no.: 2/52 (2011)
DOI: 10.4430/bgta0002
Keywords: reflection tomography
Subject Classification04. Solid Earth::04.02. Exploration geophysics::04.02.99. General or miscellaneous 
Abstract: This work represents a seismic investigation of the Norcia plain (Perugia, central Italy) for the characterization of the shallower structures for site effect studies. In particular, the aim of this analysis is to define the velocity model, down to 500-600 m below the topographic surface, and to identify the shape and depth of any reflective horizon and fault in the investigated area, with particular attention towards locating the boundary between bedrock and sedimentary cover. These features are of primary importance to evaluate the seismic response of the plain of Norcia. The tomographic inversion of the picked events, applied to this data set, allowed us to obtain a detailed depth model of the geological structures in correspondence of the acquired seismic lines.
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