Articles | Volume 15, issue 8
https://doi.org/10.5194/se-15-1087-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-15-1087-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
29 Aug 2024
Research article |
| 29 Aug 2024
| 29 Aug 2024
Selection and characterization of the target fault for fluid-induced activation and earthquake rupture experiments
Peter Achtziger-Zupančič
CORRESPONDING AUTHOR
Fraunhofer Research Institution for Energy Infrastructures and Geothermal Systems IEG, Aachen, Germany
Department of Engineering Geology and Hydrogeology, RWTH Aachen University, Aachen, Germany
Alberto Ceccato
Department of Earth Sciences, ETH Zurich, Zurich, Switzerland
Alba Simona Zappone
CORRESPONDING AUTHOR
Department of Earth Sciences, ETH Zurich, Zurich, Switzerland
Giacomo Pozzi
Istituto Nazionale di Geofisica e Vulcanologia, Rome, Italy
Alexis Shakas
Department of Earth Sciences, ETH Zurich, Zurich, Switzerland
Florian Amann
Fraunhofer Research Institution for Energy Infrastructures and Geothermal Systems IEG, Aachen, Germany
Department of Engineering Geology and Hydrogeology, RWTH Aachen University, Aachen, Germany
Whitney Maria Behr
Department of Earth Sciences, ETH Zurich, Zurich, Switzerland
Daniel Escallon Botero
Department of Earth Sciences, ETH Zurich, Zurich, Switzerland
Domenico Giardini
Department of Earth Sciences, ETH Zurich, Zurich, Switzerland
Marian Hertrich
Department of Earth Sciences, ETH Zurich, Zurich, Switzerland
Mohammadreza Jalali
Department of Engineering Geology and Hydrogeology, RWTH Aachen University, Aachen, Germany
Xiaodong Ma
School of Earth and Space Sciences, University of Science and Technology of China, Hefei, China
Men-Andrin Meier
Department of Earth Sciences, ETH Zurich, Zurich, Switzerland
Julian Osten
Department of Engineering Geology and Hydrogeology, RWTH Aachen University, Aachen, Germany
Stefan Wiemer
Department of Earth Sciences, ETH Zurich, Zurich, Switzerland
Massimo Cocco
Istituto Nazionale di Geofisica e Vulcanologia, Rome, Italy
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Triaxial compression tests at different effective stresses allow for analysing the deformation behaviour of Opalinus Clay, the potential host rock for nuclear waste in Switzerland. We conducted microstructural investigations of the deformed samples to relate the bulk hydro-mechanical behaviour to the processes on the microscale. Results show a transition from brittle- to more ductile-dominated deformation. We propose a non-linear failure envelop associated with the failure mode transition.
Xiaodong Ma, Marian Hertrich, Florian Amann, Kai Bröker, Nima Gholizadeh Doonechaly, Valentin Gischig, Rebecca Hochreutener, Philipp Kästli, Hannes Krietsch, Michèle Marti, Barbara Nägeli, Morteza Nejati, Anne Obermann, Katrin Plenkers, Antonio P. Rinaldi, Alexis Shakas, Linus Villiger, Quinn Wenning, Alba Zappone, Falko Bethmann, Raymi Castilla, Francisco Seberto, Peter Meier, Thomas Driesner, Simon Loew, Hansruedi Maurer, Martin O. Saar, Stefan Wiemer, and Domenico Giardini
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Lisa Winhausen, Mohammadreza Jalali, and Florian Amann
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Lisa Winhausen, Jop Klaver, Joyce Schmatz, Guillaume Desbois, Janos L. Urai, Florian Amann, and Christophe Nussbaum
Solid Earth, 12, 2109–2126, https://doi.org/10.5194/se-12-2109-2021, https://doi.org/10.5194/se-12-2109-2021, 2021
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Peter-Lasse Giertzuch, Joseph Doetsch, Alexis Shakas, Mohammadreza Jalali, Bernard Brixel, and Hansruedi Maurer
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Alba Zappone, Antonio Pio Rinaldi, Melchior Grab, Quinn C. Wenning, Clément Roques, Claudio Madonna, Anne C. Obermann, Stefano M. Bernasconi, Matthias S. Brennwald, Rolf Kipfer, Florian Soom, Paul Cook, Yves Guglielmi, Christophe Nussbaum, Domenico Giardini, Marco Mazzotti, and Stefan Wiemer
Solid Earth, 12, 319–343, https://doi.org/10.5194/se-12-319-2021, https://doi.org/10.5194/se-12-319-2021, 2021
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The success of the geological storage of carbon dioxide is linked to the availability at depth of a capable reservoir and an impermeable caprock. The sealing capacity of the caprock is a key parameter for long-term CO2 containment. Faults crosscutting the caprock might represent preferential pathways for CO2 to escape. A decameter-scale experiment on injection in a fault, monitored by an integrated network of multiparamerter sensors, sheds light on the mobility of fluids within the fault.
Camilla Rossi, Francesco Grigoli, Simone Cesca, Sebastian Heimann, Paolo Gasperini, Vala Hjörleifsdóttir, Torsten Dahm, Christopher J. Bean, Stefan Wiemer, Luca Scarabello, Nima Nooshiri, John F. Clinton, Anne Obermann, Kristján Ágústsson, and Thorbjörg Ágústsdóttir
Adv. Geosci., 54, 129–136, https://doi.org/10.5194/adgeo-54-129-2020, https://doi.org/10.5194/adgeo-54-129-2020, 2020
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We investigate the microseismicity occurred at Hengill area, a complex tectonic and geothermal site, where the origin of earthquakes may be either natural or anthropogenic. We use a very dense broadband seismic monitoring network and apply full-waveform based method for location. Our results and first characterization identified different types of microseismic clusters, which might be associated to either production/injection or the tectonic activity of the geothermal area.
Hannes Krietsch, Valentin S. Gischig, Joseph Doetsch, Keith F. Evans, Linus Villiger, Mohammadreza Jalali, Benoît Valley, Simon Löw, and Florian Amann
Solid Earth, 11, 1699–1729, https://doi.org/10.5194/se-11-1699-2020, https://doi.org/10.5194/se-11-1699-2020, 2020
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Short summary
We detail the selection and characterization of a fault zone for earthquake experiments in the Fault Activation and Earthquake Ruptures (FEAR) project at the Bedretto Lab. FEAR, which studies earthquake processes, overcame data collection challenges near faults. The fault zone in Rotondo granite was selected based on geometry, monitorability, and hydro-mechanical properties. Remote sensing, borehole logging, and geological mapping were used to create a 3D model for precise monitoring.
We detail the selection and characterization of a fault zone for earthquake experiments in the...
