GNGTS 2021 - Atti del 39° Convegno Nazionale

163 GNGTS 2021 S essione 2.1 Concluding remarks In this work, the preliminary results obtained by processing Sentinel-1 SAR data were presented to monitor the ground displacement in specific time intervals. In particular, three slope movements were studied. Regarding the Paternò landslide case study, the outcomes suggest that the DGSD, was reactivated during the seismic swarm that occurred in conjunction with the eruption of Etna at the end of December 2018. The multitemporal processing performed on Pescosolido and Pisciotta landslides revealed clear movements measured along the satellite LoS that agree with the general kinematics of the investigated phenomena. The displacements time series allowed us to evaluate the DGSDs evolution over the considered time span. The results will be used to evaluate possible correlations with external factors such as earthquake and heavy rains. Next analysis will consist on the analytical inversion of the InSAR results to identify the geometry and kinematics of the potential sliding surfaces. The latter should be in accordance with the geological and geomorphological findings that will be observed during the in-situ measurement campaign. It is believed that such a multidisciplinary approach, including the processing of remote sensing data together with geological, geomorphological, seismological data and modelling procedure, could allow a proper characterization of the DGSDs dynamic, allowing to assess the related hazard. Acknowledgements The present work was developed in the framework of the FRASI - Integrated and multi-scale approach for the definition of seismic-induced landslide hazard in the Italian territory - research project, funded by the MATTM. The Sentinel-1 data are distributed by the European Space Agency free of charge. References Bignami, C., Salvi, S., Albano, M., Guglielmino, F., Tolomei, C., Atzori, S., Trasatti, E., Polcari, M., Puglisi, G., Stramondo, S. (2019). Multi-Hazard Analysis of Etna 2018 Eruption by Sar Imaging. International Geoscience and Remote Sensing Symposium. IGARSS 2019 – IEEE. pp. 9314–9317. https://doi. org/10.1109/IGARSS.2019.8898695 Carbone, S., Lentini, F., Branca, S. (2010). Note illustrative alla carta geologica d’Italia alla scala 1:50.000, Foglio 633, Paternò. De Vita, P., Cusano, D. and La Barbera, G. (2017). Complex Rainfall-Driven Kinematics of the Slow-Moving Pisciotta Rock-Slide (Cilento, Southern Italy) Springer International Publishing AG 2017 M. Mikoš et al. (eds.), Advancing Culture of Living with Landslides. DOI 10.1007/978-3-319-53485-5_64 Frattini, P., Crosta, G.B., Rossini, M., Allievi, J. (2018). Activity and kinematic behaviour of deep-seated landslides from PS-InSAR displacement rate measurements. Landslides 15, 1053–1070. https://doi. org/10.1007/s10346-017-0940-6 Massonnet, D. and Feigl, K.L. (1998). Radar interferometry and its application to changes in the Earth’s surface. Rev. Geophys. 36, 441–500. https://doi.org/10.1029/97RG03139 Moro, M., Saroli, M., Gori, S., Falcucci, E., Galadini, F., Messina, P. (2012). The interaction between active normal faultingandlargescalegravitationalmassmovementsrevealedbypaleoseismologicaltechniques:Acasestudy from central Italy. Geomorphology 151–152, 164–174. https://doi.org/10.1016/j.geomorph.2012.01.026 Saroli, M., Biasini, A., Cavinato, G.P., Di Luzio, E. (2003). Geological Setting of the Southern Sector of the Roveto Valley (Central Apennines, Italy). Bollettino della Società Geologica Italiana, 122, 467-481 Stucchi, M., Meletti, C., Montaldo, V., Akinci, A., Faccioli, E., Gasperini, P., Malagnini, L., Valensise, G. (2004). Pericolosità sismica di riferimento per il territorio nazionale MPS04. Istituto Nazionale di Geofisica e Vulcanologia (INGV). https://doi.org/10.13127/sh/mps04/ag Corresponding author: lisa.beccaro@ingv.it