The epicentral area of the 2002 San Giuliano (Molise, Italy) earthquake has been largely investigated for better understanding the important site effects observed. Among the several approaches that have been applied, in this short note we present the results of a detailed geological-structural mapping and of a gravimetric survey. The former methodological approach allowed to reconstruct the superficial and shallow geology of the area documenting a polyphased tectonics characterised by several low-angle, NW-SE trending, NE-vergent thrust units cut by NNW-SSE trending both negative and positive flower structures. On the other hand, the geophysical approach allowed to confirm the superficial geological inferences and to constrain at greater depth the 3D geology, both in term of sedimentary and tectonic distribution. The results of this integrated analysis were then used for numerical modelling simulating the ground accelaration within the epicentral area.

Caratteri geologici e geofisici dellarea di San Giuliano.

CAPUTO, Riccardo;Rizzo E.
2009

Abstract

The epicentral area of the 2002 San Giuliano (Molise, Italy) earthquake has been largely investigated for better understanding the important site effects observed. Among the several approaches that have been applied, in this short note we present the results of a detailed geological-structural mapping and of a gravimetric survey. The former methodological approach allowed to reconstruct the superficial and shallow geology of the area documenting a polyphased tectonics characterised by several low-angle, NW-SE trending, NE-vergent thrust units cut by NNW-SSE trending both negative and positive flower structures. On the other hand, the geophysical approach allowed to confirm the superficial geological inferences and to constrain at greater depth the 3D geology, both in term of sedimentary and tectonic distribution. The results of this integrated analysis were then used for numerical modelling simulating the ground accelaration within the epicentral area.
2009
Mucciarelli, M.; Böhm, G.; Caputo, Riccardo; Giocoli, A.; Gueguen, E.; Klin, P.; Marello, L.; Palmieri, F.; Piscitelli, S.; Priolo, E.; Romano, G.; Ri...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/1392957
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