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Articles | Volume 17, issue 4
Articles | Volume 17, issue 4
https://doi.org/10.5194/se-17-665-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-17-665-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 4
Research article
 | 
20 Apr 2026
Research article |  | 20 Apr 2026

First tomographic imaging of mid-crustal doubling at the Abruzzi outer thrust front, central-southern Italy

Rita de Nardis, Donato Talone, Luca De Siena, Maria Adelaide Romano, Francesco Brozzetti, and Giusy Lavecchia

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Short summary
The Outer Thrust System (OTS) in coastal Abruzzi (Italy) remains debated in terms of its geometry, seismic activity, and deformation style. This study presents a new seismic tomography of the Abruzzi Arc basal thrust, revealing mid-crustal doubling at depths of 14–24 km. The conceptual 3D model highlights deep compressive tectonics influencing the crustal structure. If the thrust is seismogenic, it could have significant implications for regional geodynamics and seismic hazard assessment.
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