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Fiber optic monitoring of active faults at the seafloor: the FOCUS project

Abstract : Laser reflectometry (BOTDR), commonly used for structural health monitoring (bridges, dams, etc.), will for the first time be applied to study movements of an active fault on the seafloor 25 km offshore Catania Sicily. The goal of the European funded FOCUS project (ERC Advanced Grant) is to connect a 6-km long strain cable to the EMSO seafloor observatory in 2100 m water depth. Laser observations will be calibrated by seafloor geodetic instruments and seismological stations. A long-term goal is the development of dual-use telecom cables with industry partners.
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https://hal.univ-brest.fr/hal-02398791
Contributor : Jean-Yves Royer Connect in order to contact the contributor
Submitted on : Tuesday, April 13, 2021 - 10:11:43 AM
Last modification on : Tuesday, October 19, 2021 - 7:01:41 PM
Long-term archiving on: : Wednesday, July 14, 2021 - 6:17:19 PM

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photon2019S4p32.pdf
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Distributed under a Creative Commons Attribution - NoDerivatives 4.0 International License

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Marc-André Gutscher, Jean-Yves Royer, David Graindorge, Shane Murphy, Frauke Klingelhoefer, et al.. Fiber optic monitoring of active faults at the seafloor: the FOCUS project. Photoniques, EDP Sciences, 2019, pp.32-37. ⟨10.1051/photon/2019S432⟩. ⟨hal-02398791⟩

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