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Authors: Di Stefano, R.* 
Bianchi, I.* 
Ciaccio, M. G.* 
Carrara, G.* 
Kissling, E.* 
Title: Three-dimensional Moho topography in Italy: New constraints from receiver functions and controlled source seismology
Issue Date: 2011
Series/Report no.: /12 (2011)
DOI: 10.1029/2011GC003649
Keywords: Italy; controlled source seismology; crust; receiver function
Subject Classification04. Solid Earth::04.07. Tectonophysics::04.07.02. Geodynamics 
Abstract: In complex tectonics regions, seismological, geophysical, and geodynamic modeling require accurate definition of the Moho geometry. Various active and passive seismic experiments performed in the central Mediterranean region revealed local information on the Moho depth, in some cases used to produce interpolated maps. In this paper, we present a new and original map of the 3-D Moho geometry obtained by integrating selected high-quality controlled source seismic and teleseismic receiver function data. The very small cell size makes the retrieved model suitable for detailed regional studies, crustal corrections in teleseismic tomography, advanced 3-D ray tracing in regional earthquake location, and local earthquake tomography. Our results show the geometry of three different Moho interfaces: the European, Adriatic-Ionian, and Tyrrhenian. The three distinct Moho are fashioned following the Alpine and Apennines subduction, collision, and back-arc spreading and show medium- to high-frequency topographic undulations reflecting the complexity of the geodynamic evolution.
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