BEFINE SIGNED
mechanical BEhavior of Fluid-INduced Earthquakes
Total Cost €
0EC-Contrib. €
0Partnership
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Project "BEFINE" data sheet
The following table provides information about the project.
| Coordinator |
ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE
Organization address contact info |
| Coordinator Country | Switzerland [CH] |
| Total cost | 1˙982˙925 € |
| EC max contribution | 1˙982˙925 € (100%) |
| Programme |
1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC)) |
| Code Call | ERC-2017-STG |
| Funding Scheme | ERC-STG |
| Starting year | 2018 |
| Duration (year-month-day) | from 2018-03-01 to 2023-02-28 |
Partnership
Take a look of project's partnership.
| # | ||||
|---|---|---|---|---|
| 1 | ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE | CH (LAUSANNE) | coordinator | 1˙982˙925.00 |
Map
Project objective
Fluids play an important role in fault zone and in earthquakes generation. Fluid pressure reduces the normal effective stress, lowering the frictional strength of the fault, potentially triggering earthquake ruptures. Fluid injection induced earthquakes (FIE) are direct evidence of the effect of fluid pressure on the fault strength. In addition, natural earthquake sequences are often associated with high fluid pressures at seismogenic depths. Although simple in theory, the mechanisms that govern the nucleation, propagation and recurrence of FIEs are poorly constrained, and our ability to assess the seismic hazard that is associated with natural and induced events remains limited. This project aims to enhance our knowledge of FIE mechanisms over entire seismic cycles through multidisciplinary approaches, including the following: - Set-up and installation of a new and unique rock friction apparatus that is dedicated to the study of FIEs. - Low strain rate friction experiments (coupled with electrical conductivity measurements) to investigate the influence of fluids on fault creep and earthquake recurrence. - Intermediate strain rate friction experiments to investigate the effect of fluids on fault stability during earthquake nucleation. - High strain rate friction experiments to investigate the effect of fluids on fault weakening during earthquake propagation. - Post-mortem experimental fault analyses with state-of-art microstructural techniques. - The theoretical friction law will be calibrated with friction experiments and faulted rock microstructural observations.
These steps will produce fundamental discoveries regarding natural earthquakes and tectonic processes and help scientists understand and eventually manage the occurrence of induced seismicity, an increasingly hot topic in geo-engineering. The sustainable exploitation of geo-resources is a key research and technology challenge at the European scale, with a substantial economical and societal impact.
Deliverables
| Data Management Plan | Open Research Data Pilot | 2019-09-05 12:46:07 |
Take a look to the deliverables list in detail: detailed list of BEFINE deliverables.
Publications
| year | authors and title | journal | last update |
|---|---|---|---|
| 2019 |
Corentin Noël, François X. Passelègue, Carolina Giorgetti, Marie Violay Fault reactivation during fluid pressure oscillations: transition from stable to unstable slip published pages: , ISSN: 2169-9313, DOI: 10.1029/2019jb018517 |
Journal of Geophysical Research: Solid Earth | 2019-10-31 |
| 2019 |
Luis Felipe Orellana, Carolina Giorgetti, Marie Violay Contrasting Mechanical and Hydraulic Properties of Wet and Dry Fault Zones in a Proposed Shaleâ€Hosted Nuclear Waste Repository published pages: 1357-1366, ISSN: 0094-8276, DOI: 10.1029/2018gl080384 |
Geophysical Research Letters 46/3 | 2019-10-30 |
| 2018 |
M. Acosta, F. X. Passelègue, A. Schubnel, M. Violay Dynamic weakening during earthquakes controlled by fluid thermodynamics published pages: , ISSN: 2041-1723, DOI: 10.1038/s41467-018-05603-9 |
Nature Communications 9/1 | 2019-10-28 |
| 2019 |
C. Noël, L. Pimienta, M. Violay Timeâ€Dependent Deformations of Sandstone During Pore Fluid Pressure Oscillations: Implications for Natural and Induced Seismicity published pages: 801-821, ISSN: 2169-9313, DOI: 10.1029/2018jb016546 |
Journal of Geophysical Research: Solid Earth 124/1 | 2019-10-28 |
| 2019 |
M. Violay, F. Passelegue, E. Spagnuolo, G. Di Toro, C. Cornelio Effect of water and rock composition on re-strengthening of cohesive faults during the deceleration phase of seismic slip pulses published pages: 55-64, ISSN: 0012-821X, DOI: 10.1016/j.epsl.2019.06.027 |
Earth and Planetary Science Letters 522 | 2019-10-28 |
| 2019 |
C. Cornelio, E. Spagnuolo, G. Di Toro, S. Nielsen, M. Violay Mechanical behaviour of fluid-lubricated faults published pages: , ISSN: 2041-1723, DOI: 10.1038/s41467-019-09293-9 |
Nature Communications 10/1 | 2019-10-28 |
| 2019 |
L. Pimienta, L. F. Orellana, M. Violay Variations in Elastic and Electrical Properties of Crustal Rocks With Varying Degree of Microfracturation published pages: 6376-6396, ISSN: 2169-9313, DOI: 10.1029/2019jb017339 |
Journal of Geophysical Research: Solid Earth 124/7 | 2019-10-28 |
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