Presentations

Investigating the nucleation of laboratory ruptures and the dependence with loading rate and geometrical heterogeneities

S. Guérin-Marthe; M. Violay 

ISTerre seminar, Chambéry, April 5, 2023.

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The role of loading path on fault reactivation: a laboratory perspective

C. Giorgetti; M. Violay; C. Collettini 

EGU 2023, Vienna, April 23-28, 2023.

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Effect of stress biaxiality on fracture energy and microstructures of tensile cracks

A. Guggisberg; M. Lebihain; J. Moore; M. Violay 

EGU 2023, Vienna, April 23-28, 2023.

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Effect of water on sandstone and limestone, fracture toughness, frictional parameters and brittle strength.

M. Violay; C. Noël; P. Baud 

EGU 2023, Vienna, April 23-28, 2023.

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Permeability of Lanhelin granite through the brittle-ductile transition.

G. Meyer; M. Violay 

EGU 2023, Vienna, April 23-28, 2023.

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Effects of water on the brittle to ductile transition of sandstones

F. Lazari; M. Violay; F. Begue 

EGU 2023, April 23-28, 2023.

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Fault roughness’s influence on experimental fault mechanical behavior

B. P. Fryer; C. Giorgetti; F. X. T. Passelègue; S. Momeni; B. Lecampion et al. 

AGU Fall Meeting 2022, Chicago, USA, December 12-16, 2022.

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The effect of experimental fault roughness on bare fault surfaces and associated microseismicity

B. P. Fryer; C. Giorgetti; F. X. T. Passelègue; S. Momeni; B. Lecampion et al. 

Friction and Wear Across Scales 2022, Ascona, Switzerland, August 15 – 18, 2022.

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Single well pore pressure preconditioning for EGS

B. Fryer; M. Lebihain; M. Violay 

EGU General Assembly 2022, Vienna, Austria, May 23-27, 2022.

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On the stability of carbonate-bearing faults at the brittle-to-ductile transition

F. Figura; C. Giorgetti; G. Meyer; M. Violay 

EGU General Assembly 2022, Vienna, Austria, May 23-27, 2022.

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The localized to ductile transition in porous rocks : experimental investigation on Volvic basalt.

G. Meyer; M. Violay; M. Heap 

EGU General Assembly 2022, Vienna, Austria, May 23-27, 2022.

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Permeability evoluation at the brittle to ductile transition in newberry volcano basalt

M. Violay; G. Meyer 

EGU General Assembly 2022, Vienna, Austria, May 23-27, 2022.

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Contribution of thermal weakening in the frictional rupture dynamics

F. Paglialunga; F. Passelègue; M. Lebihain; M. Violay 

EGU General Assembly 2022, Vienna, Austria, May 23-27, 2022.

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Fracture energy variations of rocks: a mechanical investigation

A. Guggisberg; M. Lebihain; M. Violay 

EGU General Assembly 2022, Vienna, Austria, May 23-27, 2022.

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Evolution of the rate-and-state frictional parameters of carbonate bearing faults at the brittle-ductile transition

F. Figura; C. Giorgetti; M. Lebihain; M. Violay 

AGU Fall Meeting 2021, New Orleans LA & Online Everywhere, December 13-17, 2021.

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Frictional behaviour of carbonate bearing faults at brittle-ductile transition

F. Figura; C. Giorgetti; M. Lebihain; M. Violay 

EGU General Assembly 2021 (EGU 2021), Online, April 19-30, 2021.

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The Effect of Fault Roughness on Bare Fault Surfaces in Load-Controlled Biaxial Experiments

B. P. Fryer; C. Giorgetti; F. X. T. Passelègue; M. Violay 

AGU Fall Meeting 2021, New Orleans, LA & Online Everywhere, December 13-17, 2021.

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The Effect of Fault Roughness on Bare Surfaces in Load-Controlled Biaxial Experiments

B. P. Fryer; C. Giorgetti; F. X. T. Passelègue; M. Violay 

19th Swiss Geoscience Meeting 2021 (SGM 2021), Online, November 19-20, 2021.

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On the Scale Dependence in the Dynamics of Frictional Rupture

F. Paglialunga; F. X. T. Passelègue; M. Lebihain; M. Violay 

19th Swiss Geoscience Meeting (SGM 2021), Online, November 19-20, 2021.

Detailed record

On the scale dependence in the dynamics of rupture

F. Paglialunga; F. X. T. Passelègue; F. Barras; M. Lebihain; N. Brantut et al. 

EGU General Assembly 2021 (EGU 2021), Online, April 19-30, 2021.

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On the Scale Dependence in the Dynamics of Frictional Rupture: Constant Fracture Energy versus Size-Dependent Breakdown Work

F. Paglialunga; F. X. T. Passelègue; N. Brantut; F. Barras; M. Lebihain et al. 

EGU General Assembly 2021 (EGU 2021), Online, April 19-30, 2021.

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Fault creep behavior and the frictional response of the Opalinus Clay formation

F. Orellana; C. Giorgetti; M. Violay 

AGU Fall Meeting 2020, Online, December 1-17, 2020.

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Bare surface friction from low to high velocities and from low to high normal stresses

C. Giorgetti; F. Figura; M. Violay 

AGU Fall Meeting 2020, Online conference, December 1-17, 2020.

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The influence of loading path on fault reactivation: a laboratory perspective

C. Giorgetti; M. Violay 

EGU General Assembly 2020, Online conference, May 4-8, 2020.

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Origin of the Temporal Evolution of Elastic Properties During Laboratory Seismic Cycle

F. Paglialunga; F. X. T. Passelègue; M. Acosta; M. Violay 

AGU Fall Meeting 2020, Online, December 10, 2020.

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Energy budget of laboratory earthquakes: a comparison between linear elastic fracture mechanics approach and experimental approach

M. Violay; F. Paglialunga; F. X. Passelègue 

EGU General Assembly 2020, Online, May 4-8, 2020.

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Effect of normal and shear loading on the hydraulic transport properties of calcite bearing faults with customized roughness

M. Acosta; R. Maye; M. Violay 

AGU Fall Meeting 2020, Online, December 1-17, 2020.

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On the scaling between precursory moment release and earthquake magnitude: Insights from the laboratory

M. Acosta; F. X. T. Passelègue; A. Schubnel; R. Madariaga; M. Violay 

EGU General Assembly 2020, Online conference, May 4-8, 2020.

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Brittle faulting induced by pore fluid pressure increase in ductile rock mass

C. Noël; F. X. T. Passelègue; M. Violay 

AGU Fall Meeting 2020, Online conference, December 1-17, 2020.

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Velocity steps across four orders of magnitudeto investigate the effect of fault roughness onthe stability of slip

B. P. Fryer; C. Giorgetti; M. Violay 

AGU Fall Meeting 2020, Online conference, Décembre 1-17, 2020.

Detailed record

Mechanical behavior of fluid-induced earthquakes

M. Violay 

SwisMech Seminars, Lausanne, Switzerland, December 10, 2020.

Detailed record

Earthquake energy budget

M. Violay 

ESOF: EuroScience Open Forum, Trieste, Italy, September 2-6, 2020.

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From elastic to anelastic properties of rocks: Role of strain amplitudes

L. X. Pimienta; B. Quintal; F. Sandrone; L. Gastaldo; M. Violay 

Swiss Geoscience Meeting 2020, Zurich, Switzerland, November 6-7, 2020.

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Temperature preconditioning for EGS

B. P. Fryer; G. Siddiqi; L. Laloui; F. X. T. Passelègue; M. Violay 

Swiss Geoscience Meeting 2020, Zurich, Switzerland, November 6-7, 2020.

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Influence of the initial damage on fracture toughness and subcritical crack growth in a granite rock

S. D’Urso; L. X. Pimienta; F. Passelègue; F. Sandrone; S. Vinciguerra et al. 

EGU 2020 General Assembly, EGU2020: Sharing Geoscience Online (#shareEGU20), May, 4-8 2020.

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Earthquake reactivation and seismic slip in presence of viscous fluids

C. Cornelio; F. X. T. Passelègue; E. Spagnuolo; G. Di Toro; M. Violay 

AGU Fall Meeting 2019, San Francisco, USA, 7-11 December 2019.

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Role of fluid viscosity in earthquakes nucleation

C. Cornelio; F. X. T. Passelègue; E. Spagnuolo; G. Di Toro; M. Violay 

Geoproc 2019: Earthquake and Faulting mechanics, Utrecht, the Netherlands, July 3-5, 2019.

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From aseismic to seismic slip during fluid pressure oscillations on laboratory fault

C. Noël; F. X. T. Passelègue; C. Giorgetti; M. Violay 

AGU Fall Meeting 2019, San Francisco, USA, December 9-13, 2019.

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Seminar: porosity evolution at brittle to ductile transition in continental and oceanic crust

M. Violay; M. Acosta; C. Cornelio; C. Giorgetti; C. Noël et al. 

Symposium in honour of Y. Gueguen, Paris,

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Seminar: Physical behavior of fluid driven earthquakes

M. Violay; M. Acosta; C. Cornelio; C. Giorgetti; C. Noël et al. 

Seminar UNIL, Lausanne,

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Keynote: Physical behavior of fluid driven earthquakes

M. Violay; M. Acosta; C. Cornelio; C. Giorgetti; C. Noël et al. 

13th EURO-Conference on Rock Physics and Geomechanics – The Guéguen Conference, Potsdam, Germany, September 2-6, 2019.

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Load-strengthening versus load-weakening faulting in gouge-bearing faults: insights from triaxial saw-cut experiments

C. Giorgetti; I. Louhichi; M. Violay 

EGU General Assembly, VIenna, 7-12 April 2019.

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Earthquake nucleation in presence of viscous fluids: Thermal Pressurization or Elastohydrodynamic Lubrication?

C. Cornelio; F. X. T. Passelègue; E. Spagnuolo; G. Di Toro; M. Violay 

EGU General Assembly, Vienna, Austria, 7-12 April 2019.

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Fault reactivation during pore pressure oscillations

C. Noël; F. X. T. Passelègue; L. X. Pimienta; M. Violay 

EGU General Assembly, Vienna, Austria, 7-12 April 2019.

Detailed record

Fault reactivation during pore pressure oscillations

C. Noël; F. X. T. Passelègue; L. X. Pimienta; M. Violay 

Third Schatzalp Workshop on Induced Seismicity, Davos, Switzerland, 5-8 March 2019.

Detailed record

Influence of fluid pressure level on the nucleation of laboratory earthquakes

M. Acosta; F. X. T. Passelègue; A. Schubnel; B. Gibert; M. Violay 

16th Swiss Geoscience Meeting , Bern, Switzerland, 30 November – 1 December 2018.

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A New State-of-the-art Apparatus to Study Earthquake Nucleation and Propagation: HighSTEPS

M. Violay; C. Giorgetti; C. Cornelio; G. Di Stefano; S. Weimer et al. 

16th Swiss Geoscience Meeting , Bern, Switzerland, 30 November – 1 December 2018.

Detailed record

The different effect of fluid viscosity in earthquake nucleation and propagation

C. Cornelio; E. Spagnuolo; F. X. T. Passelègue; S. Nielsen; G. Di Toro et al. 

16th Swiss Geoscience Meeting, Bern, Switzerland, 3oth November – 1st December 2018.

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Time-dependent deformations of sandstone during fluid pressure oscillations: implications for natural and induced seismicity

C. Noël; L. X. Pimienta; M. Violay 

16th Swiss Geoscience Meeting, Bern, Switzerland, 3oth November – 1st December 2018.

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Frictional strength and permeability variations of Opalinus Clay during shear deformation

F. Orellana; C. Giorgetti; M. Violay 

AGU Fall Meeting 2018, Washington D.C., U.S.A., 10 – 14 December 2018.

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Nucleation of laboratory earthquakes: Implications for EGS induced seismicity

M. Acosta; F. X. T. Passelègue; A. Schubnel; B. Gibert; M. Violay 

Sccer Annual conference 2018, Horw, Switzerland,

Detailed record

Fluid viscosity controls earthquakes nucleation

C. Cornelio; E. Spagnuolo; F. X. T. Passelègue; M. Violay 

International Symposium on Energy Geotechnics 2018, Lausanne, Switzerland,

Detailed record

Fluid thermodynamics control fault healing and weakening under crustal stress conditions

M. Acosta; F. X. T. Passelègue; A. Schubnel; M. Violay 

Computational Methods in Water Resources 2018, Saint-Malo, France,

Detailed record

Influence of fluid viscosity on Earthquake nucleation

C. Cornelio; E. Spagnulo; F. X. T. Passelègue; M. Violay 

Computational Methods in Water Resources 2018, Saint-Malo, France,

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Experimental study of reservoir seismicity using different injection strategies

C. Noël; L. X. Pimienta; M. Violay 

International Symposium on Energy Geotechnics, Lausanne, Switzerland,

Detailed record

Rock /fluid interaction during induced earthquakes: Where does frictional heat go?

M. Acosta; F. X. T. Passelègue; A. Schubnel; M. Violay 

International Symposium on Energy Geotechnics 2018, Lausanne, Switzerland,

Detailed record

Mechanical behaviour of fluid-lubricated faults

C. Cornelio; E. Spagnuolo; F. X. T. Passelègue; S. Nielsen; G. Di Toro et al. 

GeoMod 2018, Barcelona, Spain,

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Coupled Hydro-mechanical processes in fault zones, implications for deep geothermal reservoirs

M. Violay 

International Symposium on Energy Geotechnics 2018, Lausanne, Switzerland,

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Fluid thermodynamics control thermal weakening during earthquake rupture

M. Acosta; F. X. T. Passelègue; A. Schubnel; M. Violay 

PhD Student conference of IPGP 2018, Institut de Physique du Globe Paris, Paris, France, March, 26 -30, 2018.

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Influence of fluid pressure level on the nucleation of laboratory earthquakes

M. Acosta; F. X. T. Passelègue; A. Schubnel; B. Gibert; M. Violay 

EGU 2018, Vienna, Austria, April, 9-13, 2018.

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Evolution in physical properties of quartz-bearing rocks with evolving degree of microfissuration

L. X. Pimienta; M. Violay 

80th EAGE Annual Conference 2018, Copenhagen, Denmark, June, 11 – 14, 2018.

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Evolution in physical properties of crustal rocks submitted to large temperatures

L. X. Pimienta; M. Violay 

EGU 2018, Vienna, Austria, April, 9-13, 2018.

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Fluid-flow control in clay-bearing faults

F. Orellana; C. Nussbaum; Y. Guglielmi; L. Grafulha; P. Henry et al. 

EGU 2018, Vienna, Austria, April, 9-13, 2018.

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Fluid viscosity controls earthquakes nucleation

C. Cornelio; E. Spagnuolo; G. Di Toro; M. Violay 

EGU 2018, Vienna, Austria, April 9-13, 2018.

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Time-dependant deformation of a low porosity sandstone subjected to pore pressure oscillations

C. Noël; L. X. Pimienta; M. Violay 

EGU 2018, Vienna, Austria, April, 9-13, 2018.

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Fluid thermodynamics control thermal weakening during earthquake rupture

M. Acosta; F. X. T. Passelègue; A. Schubnel; M. Violay 

AGU annual meeting 2017, New Orleans, USA., 11 – 15 December.

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Fluid thermodynamics control fault heating and weakening under upper crustal stress conditions

M. A. Acosta; F. X. T. Passelègue; A. Schubnel; M. Violay 

Cargese School 2017 Earthquakes: nucleation, triggering, rupture, and relationships to aseismic processes., Cargese, France, October, 2-6,2017.

Detailed record

Fluid thermodynamics control the dynamics of induced earthquakes

M. A. Acosta; F. X. T. Passelègue; A. Schubnel; M. Violay 

SCCER – SoE meeting 2017, Birmensdorf, Switzerland, September, 14-15,2017.

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An experimental study of the influence of pore fluid on dynamic rupture processes Implications for Enhanced geothermal systems

M. A. Acosta; F. X. T. Passelègue; A. Schubnel; M. Violay 

6th Poroelasticity Minisymposium, Lausanne, Switzerland, Febraury, 14, 2017.

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Hydro Mechanical couplings in enhanced geothermal reservoirs

M. A. Acosta; M. Violay 

ENAC Research Day 2016, Lausanne, Switzerland, 2016.

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Effect of fluid viscosity on fault frictional behavior

C. Cornelio; E. Spagnuolo; G. Di Toro; M. Violay 

EARTHQUAKES: nucleation, triggering, rupture, and relationships to aseismic processes, Cargese, France,

Detailed record

Effect of fluid viscosity on fault frictional behaviour

C. Cornelio; E. Spagnuolo; G. Di Toro; M. Violay 

SCCER-SoE Annual Conference 2017, Birmensdorf, Switzerland, September, 14-15,2017.

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Petro-physical characterization of the Main Fault at the Mont Terri Laboratory

F. Orellana; M. Violay; P. Henry; Y. Guglielmi; C. Nusbaumm 

7th Clay Conference, Davos, Switzerland, September, 24 – 27, 2017.

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Effect of fluid viscosity on fault frictional behaviour

C. Cornelio; M. Violay; E. Spagnuolo; G. Di Toro 

EGU 2017, Vienna, Austria, April, 23-28, 2017.

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Susceptibility of experimental faults to pore pressure increase: insights from load-controlled experiments on calcite-bearing rocks

E. Spagnuolo; M. Violay; S. Nielse; C. Cornelio; G. Di Toro 

EGU 2017, Vienna, Austria, April, 23-28, 2017.

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Effect of water on slip weakening of cohesive rocks during earthquakes

M. Violay; M. A. Acosta; F. Passelegue; A. Schubnel 

EMRP Division Outstanding ECS Award Lecture, EGU 2017, Vienna, Austria, April, 23-28, 2017.

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The Influence of pore water on dynamic rupture processes

M. Violay 

Seminar at GFZ, Potsdam, Germany, February, 27, 2017.

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Effect of pore pressure on earthquake dynamic rupture: insights from stick slip experiments on granite.

M. A. Acosta; F. Passelègue; A. Schubnel; M. Violay 

2nd Schatzalp Workshop on Induced Seismicity, Davos, Switzerland, March 14 – 17, 2017.

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Fault Frictional Stability in a Nuclear Waste Repository

F. Orellana; M. Violay; M. Scuderi; C. Collettini 

European Geoscience Meeting (EGU), Vienna, Austria, April 2016.

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Dilatancy around the brittle to ductile transition in continental and oceanic crusts: Implication for high enthalpy geothermal reservoir

M. Violay; C. Madonna 

American Geoscience Meeting (AGU), San Francisco, USA, December, 2016.

Detailed record

An experimental study of the influence of pore water on dynamic rupture processes

M. A. Acosta; F. Passelegue; A. Schubnel; M. Violay 

American Geoscience Meeting (AGU), San Francisco, USA, December, 2016.

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An experimental study of the influence of pore water on dynamic rupture processes

M. A. Acosta; F. Passelegue; A. Schubnel; M. Violay 

14th Swiss Geoscience Meeting (SGM), Geneve, Switzerland, November, 18-9, 2016.

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Porosity and permeability reduction in conduit wall rock. A transition from localised cataclastic pore collapse to distributed viscous flow

M. Heap; M. Violay; F. Wadsworth 

14th Swiss Geoscience Meeting (SGM), Geneve, Switzerland, Nove.

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On the stability of clay-bearing faults

F. Orellana; M. Violay; M. Scuderi; C. Collettini 

American Geoscience Meeting (AGU), San Francisco, USA, December, 2016.

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Petro-physical properties of the Main Fault at the Mont Terri Laboratory

F. Orellana; M. Violay; E. Gramajo; P. Henry; Y. Gugliermi et al. 

14th Swiss Geoscience Meeting (SGM), Geneve, Switzerland, November, 18-9, 2016.

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On fault co-seismic processes

M. Violay 

On fault co-seismic processes, Zurich, Switzerland, October, 12th, 2016.

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On fault co-seismic processes

M. Violay 

Salle Dolomieu, Maison des Géosciences, ISTerre, Grenoble, France, December 2, 2016.

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Viscosity fluid influence on stick-slip motions

C. Cornelio; M. Violay; E. Spagnuolo 

14 th Swiss Geoscience Meeting, Geneva, Switzerland, Novemeber, 18-19, 2016.

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Frictional Properties of Opalinus Clay

F. Orellana; M. Violay; M. Scuderi; C. Collettini 

Gordon Research Conference: Rock deformation., Andover, New Hampshire, USA, August 20 -25, 2016.

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An experimental study of the influence of pore water on dynamic rupture processes

M. Acosta; F. Passelègue; A. Schubnel; M. Violay 

Gordon Research Conference in Rock Deformation., Andover, New Hampshire, USA, August 20 -25, 2016.

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Brittle versus ductile deformation as the main control of the deep fluid circulation in continental crust

M. Violay; C. Madonna; J. Burg 

European Geosciences Union General Assembly 2016, Vienna, Austria, April 17-22, 2016.

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Brittle versus ductile deformation as the main control of the deep fluid circulation in continental crust

M. Violay; C. Madonna; J-P. Burg 

13th Swiss Geoscience Meeting, Basel, Switzerland,

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Frictional Properties of Opalinus Clay

F. Orellana; M. Violay; M. Scuderi; C. Collettini; C. Nussbaum et al. 

13th Swiss Geoscience Meeting, Basel, Switzerland,

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