Is it possible to identify and characterize vulnerabilities active in the Alps?


 Project title: Is it possible to identify and characterize vulnerabilities active in the Alps?
 Project leader(s): Riccardo VASSALLO
 Team(s) involved: Seismic cycles and transient deformations, Tectonics Reliefs Bassins
 Amount: 10 465 €

Project description

"The low rates of tectonic deformation in the Western Alps make it difficult to individualize active faults, as well as to identify and quantify the processes causing seismicity. However, locally, the age-old action of the deformation can be observed and quantified through the formation of characteristic morphologies in the relief. In this context, we wish to implement an approach that combines InSAR interferometry and morphotectonics in order to analyze the deformation signal continuously over the whole chain and then to characterize it in terms of kinematics and sliding velocity over the faults. The preliminary data identify a remarkable tectonic structure where the short- and long-term deformations are clearly expressed and compatible with each other: the Red Needles-Belledonne lineament. By focusing on this deformation zone, our project aims to test this approach, new in the alpine context, in order to evaluate its potential and its limits in the apprehension of the regional seismic hazard. This project is part of the transversal themes "Deformation and rupture" and "Risks and hazards"."