1. Seismic and hydro-geophysical monitoring in the Jura mountain
- Author
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Abi Nader, Anthony, ALBARIC, Julie, Steinmann, Marc, Malet, Jean-Philippe, Pohl, Benjamin, Fores, Benjamin, Marchand, Anaïs, Geley, Camille, Gros, Marine, Susanto, Kusnahadi, Ferhat, Gilbert, Stefani, Vanessa, Boetsch, Anne, Pellecuer, Déborah, Rega, Mario, Claude, Fontaine, Celle-Jeanton, Hélène, SUE, Christian, Laboratoire Chrono-environnement - CNRS - UBFC (UMR 6249) (LCE), Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC), Institut Terre Environnement Strasbourg (ITES), École Nationale du Génie de l'Eau et de l'Environnement de Strasbourg (ENGEES)-Université de Strasbourg (UNISTRA)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Ecole et Observatoire des Sciences de la Terre (EOST), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Biogéosciences [UMR 6282] [Dijon] (BGS), Université de Bourgogne (UB)-AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement-Centre National de la Recherche Scientifique (CNRS), Geotopo, and Résif
- Subjects
Sismologie ,[SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] ,RESIF ,France ,Aquifère karstique ,Karstic aquifer ,Seismology - Abstract
International audience; In 2018, the regional seismic network JURAQUAKE has been deployed in eastern France, in addition to the RESIF-EPOS network. The objective is to better characterize the local microseismicity affecting the northern part of the Jura arc (Larroque et al., 2021) and investigate the potential role of fluids in triggering earthquakes in this faulted and karstified region. Actually, three seismic stations have been installed on a karst aquifer and coupled to an existing hydrogeological observatory (JURASSIC KARST - SNO KARST), allowing to monitor water flow and sediment transport. In addition, 500 m of fiber optic cable has been placed along the underground karstic conduit in order to investigate hydrogeological recharge and transfer processes into the system. A very-high resolution 3D scan of the cavity was also acquired with a long-range Zeb-REVO to document the geological structures. Such multidisciplinary approach is relevant to better understand the functioning of the aquifer, as well as the spatio-temporal variations that occur along the karstic network.
- Published
- 2021