Fibre-optic distributed acoustic sensing data from Reykjanes, Iceland

Cite as:

Jousset, Philippe; Reinsch, Thomas; Ryberg, Trond; Blanck, Hanna; Clarke, Andy; Aghayev, Rufat; Hersir, Gylfi Páll; Henninges, Jan; Weber, Michael; Krawczyk, Charlotte (2018): Fibre-optic distributed acoustic sensing data from Reykjanes, Iceland. V. 1.0. GFZ Data Services. https://doi.org/10.5880/GFZ.6.2.2018.003

Status

I N R E V I E W : Jousset, Philippe; Reinsch, Thomas; Ryberg, Trond; Blanck, Hanna; Clarke, Andy; Aghayev, Rufat; Hersir, Gylfi Páll; Henninges, Jan; Weber, Michael; Krawczyk, Charlotte (2018): Fibre-optic distributed acoustic sensing data from Reykjanes, Iceland. V. 1.0. GFZ Data Services. https://doi.org/10.5880/GFZ.6.2.2018.003

Abstract

Imaging the internal structure of faults remains challenging using conventional seismome-ters. Here, the authors use deployed fibre-optic cables to obtain strain data and identify faults and volcanic dykes in Iceland. Such fibre-optic networks are pervasive for telecommu-nication and could be used for hazard assessment.

Natural hazard prediction and efficient crustal exploration requires dense seismic observa-tions both in time and space. Seismological techniques provide ground-motion data, whose accuracy depends on sensor characteristics and spatial distribution. In the manuscript Jousset et al. (2018), we demonstrate that strain determination is possible with conventional fibre-optic cables deployed for telecommunication. Extending recently distributed acoustic sensing (DAS) studies, we present high resolution spatially un-aliased broadband strain data.

We recorded seismic signals from natural and man-made sources with 4-m spacing along a 15-km-long fibre-optic cable layout on Reykjanes Peninsula, SW Iceland.

This data publication contains data used for plotting several figures of Jousset et al. (2018). For further explanation of the data and related processing steps, please refer to Jousset et al. (2018). A theoretical study with respect to the coupling of the cable to the ground has been published by Reinsch et al. (2017).

Authors

Jousset, Philippe;GFZ German Research Centre for Geosciences, Potsdam, Germany
Reinsch, Thomas;GFZ German Research Centre for Geosciences, Potsdam, Germany
Ryberg, Trond;GFZ German Research Centre for Geosciences, Potsdam, Germany
Blanck, Hanna;ÍSOR Iceland GeoSurvey, Reykjavik, Iceland
Clarke, Andy;Silixa Ltd., Elstree, UK
Aghayev, Rufat;University of Potsdam, Institute of Earth and Environmental Science, Potsdam, Germany
Hersir, Gylfi Páll;ÍSOR Iceland GeoSurvey, Reykjavik, Iceland
Henninges, Jan;GFZ German Research Centre for Geosciences, Potsdam, Germany
Weber, Michael;GFZ German Research Centre for Geosciences, Potsdam, Germany
Krawczyk, Charlotte;GFZ German Research Centre for Geosciences, Potsdam, Germany

Contact

Jousset, Philippe (Senior researcher); GFZ German Research Centre for Geosciences, Potsdam, Germany;

Funders

FP7 Energy: IMAGE (608553)

Keywords

fibre optic cables, seismic exploration, Iceland, natural hazards

GCMD Science Keywords

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