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Istituto Nazionale di Geofisica e Vulcanologia +
Rome +
riccardo.civico@ingv.it +
Riccardo +
Civico +
Italy +
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14:07:59, 2 January 2018 +
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I’m an early career researcher working at … I’m an early career researcher working at the Istituto Nazionale di Geofisica e Vulcanologia. My research interests are active tectonics and earthquake geology, with a focus on tectonic geomorphology. I'm particularly interested in high-resolution topography (especially LiDAR and Structure from Motion (SfM) Photogrammetry), in the study of fault zones structure and geomorphology and in earthquake surface ruptures.</br>I’ve been busy over the past year working on the analysis of near-fault and far-field geological surface effects produced by the Mw 6.0 - 6.5 2016 central Italy seismic sequence (Amatrice, Visso and Norcia earthquakes). In particular, the impressive and complex pattern of surface faulting produced these earthquakes raised a considerable interest in the study of the short-term morphologic evolution of fresh coseismic ruptures during the immediate postseismic and interseismic phases. </br>I recently had the opportunity to start a project with other INGV colleagues to monitor the surface expression of the fault system responsible for the 2016 central Italy surface ruptures (Mt. Vettore - Mt. Bove fault system) and of selected active faults in the Abruzzi and Umbria regions (central Apennines), in order to detect their short-term morphological evolution and possible coseismic and postseismic dislocation through repeated high-resolution topographic (LiDAR and SfM) surveys and ground based Synthetic Aperture Radar interferometry. </br>Fault scarps and associated offset geomorphic markers form and evolve due to the competition between tectonic slip during the coseismic phase and erosional/depositional processes prevailing during the interseismic phase. Thus, tectonic landforms morphology reflects not only on the repeating occurrence of slip along a fault but also on the degradational processes that modify its original shape.</br>In this framework it is essential to monitor in detail the morphologic evolution of fresh coseismic ruptures since they trigger a plenty of moulding surface processes in response to the topographic anomalies produced by sudden tectonic forcing. Understanding such morphologic evolution can lead to a better interpretation of the cumulative expression of a surface rupturing fault. Understanding the morphologic evolution of fault scarps will be useful for the reckoning of long-term erosional and depositional rates that impact on the long-term slip-rate and slip distribution estimates derived by the sole morphological offsets. In fact, a multi-temporal monitoring of near-fault surface processes is crucial for the validation of recent techniques that estimates slip-rate and paleoseismological record on active faults on the base of cosmogenic dating methods of the bedrock fault scarp exposure.</br>I think attending the workshop would be beneficial to develop collaborations with researchers working on the coupling between tectonics and surface processes, in particular with those working on the relationship between climate-influenced erosion and long-term exhumation of rocks and also with the geochronology community.and also with the geochronology community.
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14:07:59, 2 January 2018 +
