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P17. Tomographic imaging and geological models: from the upper mantle to the near surface

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Congressi SGI-SIMP

Conveners:
Pasquale De Gori (INGV, Roma)
Manuele Faccenda (Università di Padova)
Luigi Improta (INGV, Roma)
Agata Siniscalchi (Università di Bari)

luigi.improta@ingv.it

Tomographic geophysical techniques are essential for imaging the subsurface across a vast range of scales and geological settings.  The tomographic surveys span from regional-scale investigations of the mantle-crust system in geodynamic and vulcanological applications, to local-scale studies to characterize active fault systems, volcanoes and fluid reservoirs. At the near-surface level, tomographic techniques are critical for natural hazard assessment, environmental monitoring, water resources exploration and archaeological prospection.  
Recent advancements in instrumentation, data acquisition, processing and inversion algorithms are pushing the boundaries of spatial resolution. These developments enable high-resolution 3-D and 4-D imaging, significantly expanding the applicability and effectiveness of tomographic methods. However, the geological interpretation of tomographic models often remains ambiguous, particularly when lacking a multidisciplinary framework that integrates diverse geological and geophysical datasets.
This multidisciplinary session unites geophysicists and geoscientists to showcase integrated approaches that combine geophysical tomography (e.g., seismic, magnetotelluric, geoelectrical resistivity, electromagnetic tomography) with geo-structural, seismological, and volcanological data. We welcome contributions across all scales, addressing—but not limited to—the following topics:
(i) Mantle-crust regional seismic tomography for geodynamic reconstructions, including integration with surface geology, petrology, and analogue and numerical modelling, (ii) Surveys in seismically active regions combined with geological models to elucidate fault system geometry and the interplay between lithology, fracturing, hydraulic properties of rocks, crustal fluids, and seismogenesis (iii) Volcanic imaging to investigate volcano-tectonic structures, plumbing systems, melt reservoirs, and hydrothermal systems, (iv) Fluid reservoir imaging and characterization, and geological modelling for geo-resources exploration and management, and (v) High-resolution imaging and geological models of shallow structures for tectonic and sedimentary studies, water resources exploration, and earthquake-related hazard assessment (surface faulting, liquefaction, seismic response). 

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