Publications

Articles

Journal Articles

2019

Effect of water and rock composition on re-strengthening of cohesive faults during the deceleration phase of seismic slip pulses

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

Earth and Planetary Science Letters. 2019-09-15. Vol. 522, p. 55-64. DOI : 10.1016/j.epsl.2019.06.027.

From fault creep to slow and fast earthquakes in carbonates

F. X. Passelegue; J. Aubry; A. Nicolas; M. Fondriest; D. Deldicque et al. 

Geology. 2019-08-01. Vol. 47, num. 8, p. 744-748. DOI : 10.1130/G45868.1.

Constitutive laws for Etnean basement and edifice lithologies

R. R. Bakker; M. Violay; S. Vinciguerra; M. Fazio; P. M. Benson 

Journal of Geophysical Research: Solid Earth. 2019-07-05. DOI : 10.1029/2019JB017399.

Variations in elastic and electrical properties of crustal rocks with varying degree of microfracturation

L. X. Pimienta; F. Orellana; M. Violay 

Journal of Geophysical Research: Solid Earth. 2019-06-04. DOI : 10.1029/2019JB017339.

Seismic and Microseismic Signatures of Fluids in Rocks: Bridging the Scale Gap

J. Sarout; C. David; L. Pimienta 

Journal Of Geophysical Research-Solid Earth. 2019-06-01. Vol. 124, num. 6, p. 5379-5386. DOI : 10.1029/2019JB018115.

Evolution in Seismic Properties During Low and Intermediate Water Saturation: Competing Mechanisms During Water Imbibition?

L. X. Pimienta; C. David; J. Sarout; X. Perrot; J. Dautriat et al. 

Geophysical Research Letters. 2019-04-08. Vol. 46, num. 9, p. 4581-4590. DOI : 10.1029/2019GL082419.

Experimental Insights Into Fault Reactivation in Gouge-Filled Fault Zones

C. Giorgetti; T. Tesei; M. M. Scuderi; C. Collettini 

Journal Of Geophysical Research-Solid Earth. 2019-04-01. Vol. 124, num. 4, p. 4189-4204. DOI : 10.1029/2018JB016813.

Contrasting mechanical and hydraulic properties of wet and dry fault zones in a proposed shale-hosted nuclear waste repository

F. Orellana; C. Giorgetti; M. Violay 

Geophysical Research Letters. 2019-01-29. DOI : 10.1029/2018GL080384.

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

C. Noël; L. X. Pimienta; M. Violay 

Journal of Geophysical Research: Solid Earth. 2019-01-07. DOI : 10.1029/2018JB016546.

Mechanical behaviour of fluid-lubricated faults

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

Nature Communications. 2019. Vol. 10, num. 1. DOI : 10.1038/s41467-019-09293-9.

2018

Fault Reactivation by Fluid Injection: Controls From Stress State and Injection Rate

F. X. T. Passelègue; N. Brantut; T. M. Mitchell 

Geophysical Research Letters. 2018-12-05. Vol. 45, num. 23, p. 12,837-12,846. DOI : 10.1029/2018GL080470.

Frictional Heating Processes and Energy Budget During Laboratory Earthquakes

J. Aubry; F. X. T. Passelègue; D. Deldicque; F. Girault; S. Marty et al. 

Geophysical Research Letters. 2018-11-05. Vol. 45, num. 22, p. 12,274-12,282. DOI : 10.1029/2018GL079263.

Anomalous Vp/Vs ratios at seismic frequencies might evidence highly damaged rocks in subduction zones

L. X. Pimienta; A. Schubnel; M. Violay; J. Fortin; Y. Guéguen et al. 

Geophysical Research Letters. 2018-10-10. Vol. 45, num. 22, p. 12,210-12,217. DOI : 10.1029/2018GL080132.

Dynamic weakening during earthquakes controlled by fluid thermodynamics

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

Nature Communications. 2018-08-06. Vol. 9, num. 1. DOI : 10.1038/s41467-018-05603-9.

Frictional Instabilities and Carbonation of Basalts Triggered by Injection of Pressurized H2 O- and CO2 - Rich Fluids

P. Giacomel; E. Spagnuolo; M. Nazzari; A. Marzoli; F. X. T. Passelègue et al. 

Geophysical Research Letters. 2018-06-12. Vol. 45, num. 12, p. 6032-6041. DOI : 10.1029/2018GL078082.

Structural disorder of graphite and implications for graphite thermometry

M. Kirilova; V. Toy; J. S. Rooney; C. Giorgetti; K. C. Gordon et al. 

Solid Earth. 2018. Vol. 9, num. 1, p. 223-231. DOI : 10.5194/se-9-223-2018.

Frictional Instabilities and Carbonation of Basalts Triggered by Injection of Pressurized H2O- and CO2- Rich Fluids

P. Giacomel; E. Spagnuolo; M. Nazzari; A. Marzoli; F. Passelegue et al. 

GEOPHYSICAL RESEARCH LETTERS. 2018. Vol. 45, num. 12, p. 6032-6041. DOI : 10.1029/2018GL078082.

Electrical conductivity of Icelandic deep geothermal reservoirs up to supercritical conditions: Insight from laboratory experiments

F. Nono; B. Gibert; F. Parat; D. Loggia; S. B. Cichy et al. 

Journal of Volcanology and Geothermal Research. 2018. DOI : 10.1016/j.jvolgeores.2018.04.021.

Reply to "Comment on Ultrasonic monitoring of spontaneous imbibition experiments: precursory moisture diffusion effects ahead of waterfront by Y. Kovalyshen"

C. David; C. Barnes; J. Sarout; J. Dautriat; L. X. Pimienta 

Journal of Geophysical Research. 2018. DOI : 10.1029/2018JB016133.

The development of stress-induced anisotropy during cyclic loading of Westerly granite

F. X. T. Passelègue; L. X. Pimienta; D. Faulkner; J. Fortin; A. Schubnel et al. 

Geophysical Research Letters. 2018. Vol. 45, num. 16, p. 8156-8166. DOI : 10.1029/2018GL078434.

Comparative study on the Thermal and Elastic properties of sandstones: Role of microstructure, mineralogy and water saturation

L. X. Pimienta; N. Klitzsch; C. Clauser 

Geothermics. 2018. Vol. 76, p. 60-73. DOI : 10.1016/j.geothermics.2018.06.005.

Do scaly clays control seismicity on faulted shale rocks?

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

Earth and Planetary Science Letters. 2018. Vol. 488, p. 59-67. DOI : 10.1016/j.epsl.2018.01.027.

Frictional Properties of Opalinus Clay: Implications for Nuclear Waste Storage

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

Journal of Geophysical Research: Solid Earth. 2018. Vol. 123, num. 1, p. 157-175. DOI : 10.1002/2017JB014931.

2017

Friction and scale-dependent deformation processes of large experimental carbonate faults

T. Tesei; B. Carpenter; C. Giorgetti; M. M. Scuderi; A. Sagy et al. 

Journal of Structural Geology. 2017. Vol. 100, p. 12-23. DOI : 10.1016/j.jsg.2017.05.008.

Supercritical CO2 injection and residence time in fluid-saturated rocks: Evidence for CO2 and mineral dissolution and effects on rock integrity

L. X. Pimienta; L. Esteban; J. Sarout; K. Liu; J. Dautriat et al. 

International Journal of Greenhouse Gases Control. 2017. Vol. 67, p. 31-48. DOI : 10.1016/j.ijggc.2017.09.014.

Elastic Dispersion and Attenuation in Fully Saturated Sandstones: Role of Mineral Content, Porosity, and Pressures

L. X. Pimienta; J. V. M. Borgomano; J. Fortin; Y. Guéguen 

Journal of Geophysical Research: Solid Earth. 2017. DOI : 10.1002/2017JB014645.

Dispersion and attenuation measurements of the elastic moduli of a dual-porosity limestone

J. V. M. Borgomano; L. X. Pimienta; J. Fortin; Y. Guéguen 

Journal of Geophysical Research: Solid Earth. 2017. Vol. 122, num. 4, p. 2690-2711. DOI : 10.1002/2016JB013816.

Ultrasonic monitoring of spontaneous imbibition experiments: Acoustic signature of fluid migration

C. David; C. Barnes; M. Desrues; L. X. Pimienta; J. Sarout et al. 

Journal of Geophysical Research: Solid Earth. 2017. Vol. 122, num. 7, p. 4931-4947. DOI : 10.1002/2016JB013804.

Ultrasonic monitoring of spontaneous imbibition experiments: Precursory moisture diffusion effects ahead of water front

C. David; J. Sarout; J. Dautriat; L. X. Pimienta; M. Michée et al. 

Journal of Geophysical Research: Solid Earth. 2017. Vol. 122, num. 7, p. 4948-4962. DOI : 10.1002/2017JB014193.

Pressure-dependent elastic and transport properties of porous and permeable rocks: Microstructural control

L. X. Pimienta; J. Sarout; L. Esteban; C. David; M. B. Clennell 

Journal of Geophysical Research: Solid Earth. 2017. DOI : 10.1002/2017JB014464.

Porosity evolution at the brittle-ductile transition in the continental crust: Implications for deep hydro-geothermal circulation

M. Violay; M. J. Heap; M. A. Acosta; C. Madonna 

Scientific Reports. 2017. Vol. 7, num. 1. DOI : 10.1038/s41598-017-08108-5.

New method for measuring compressibility and poroelasticity coefficients in porous and permeable rocks

L. X. Pimienta; J. Fortin; Y. Gueguen 

Journal Of Geophysical Research-Solid Earth. 2017. Vol. 122, num. 4, p. 2670-2689. DOI : 10.1002/2016Jb013791.

A GIS based approach for analysing geological and operation conditions influence on road tunnels degradation

F. Sandrone; V. Labiouse 

Tunnelling and Underground Space Technology. 2017. Vol. 66, p. 174-185. DOI : 10.1016/j.tust.2017.04.012.

From rock to magma and back again: The evolution of temperature and deformation mechanism in conduit margin zones

M. J. Heap; M. Violay; F. B. Wadsworth; J. Vasseur 

Earth and Planetary Science Letters. 2017. Vol. 463, p. 92-100. DOI : 10.1016/j.epsl.2017.01.021.

2016

Effect of fluids and frequencies on Poisson’s ratio of sandstone samples

L. X. Pimienta; J. Fortin; Y. Guéguen 

GEOPHYSICS. 2016. Vol. 81, num. 2, p. 183-195. DOI : 10.1190/geo2015-0310.1.

Modelling the drained/undrained transition: effect of the measuring method and the boundary conditions

L. X. Pimienta; J. Borgomano; J. Fortin; Y. Guéguen 

Geophysical Prospecting. 2016. Vol. 64, num. 4, p. 1098-1111. DOI : 10.1111/1365-2478.12390.

Dispersions & Attenuations in a fully saturated sandstone: Experimental evidence for fluid flows at different scales

L. X. Pimienta; J. Fortin; J. Borgomano; Y. Guéguen 

The Leading Edge. 2016. Vol. 35, num. 6, p. 495-501. DOI : 10.1190/tle35060495.1.

Effect of supercritical CO2 on carbonates: Savonnieres sample case study

V. Shulakova; J. Sarout; L. X. Pimienta; M. Lebedev; S. Mayo et al. 

Geophysical Prospecting. 2016. Vol. 65, num. 1, p. 251-265. DOI : 10.1111/1365-2478.12369.

Frequency, pressure, and strain dependence of nonlinear elasticity in Berea Sandstone

J. Rivière; L. X. Pimienta; M. Scuderi; T. Candela; P. Shokouhi et al. 

Geophysical Research Letters. 2016. Vol. 43, num. 7, p. 3226-3236. DOI : 10.1002/2016GL068061.

Clumped isotope fractionation during phosphoric acid digestion of carbonates at 70°C

I. A. Müller; M. Violay; J-C. Storck; A. Fernandez; J. Van Dijk et al. 

Chemical Geology. 2016. Vol. 449, p. 1-14. DOI : 10.1016/j.chemgeo.2016.11.030.

Frictional evolution, acoustic emissions activity and off-fault damage in simulated faults sheared at seismic slip rates

F. X. Passelègue; E. Spagnuolo; M. Violay; S. Nielsen; G. D. Toro et al. 

Journal of Geophysical Research: Solid Earth. 2016. DOI : 10.1002/2016JB012988.

Dislocation Motion and the Microphysics of Flash Heating and Weakening of Faults during Earthquakes

E. Spagnuolo; O. Plümper; M. Violay; A. Cavallo; G. Di Toro 

Crystals. 2016. Vol. 6, num. 8, p. 83. DOI : 10.3390/cryst6070083.

G: Fracture energy, friction and dissipation in earthquakes

S. Nielsen; E. Spagnuolo; M. Violay; S. Smith; G. Di Toro et al. 

Journal of Seismology. 2016. DOI : 10.1007/s10950-016-9560-1.

An empirically-based steady-state friction law and implications for fault stability

E. Spagnuolo; S. Nielsen; M. Violay; G. Di Toro 

Geophysical Research Letters. 2016. Vol. 43, num. 7, p. 3263-3271. DOI : 10.1002/2016GL067881.

Scaling in natural and laboratory earthquakes

S. Nielsen; E. Spagnuolo; S. Smith; M. Violay; G. D. Toro et al. 

Geophysical Research Letters. 2016.  p. 1504-1510. DOI : 10.1002/2015GL067490.

Probabilistic simulations of TBM Tunnelling in highly fractured and faulted rocks

E. Paltrinieri; F. Sandrone; J-P. Dudt; J. Zhao 

Tunnelling and Underground Space Technology. 2016. Vol. 57, p. 183-194. DOI : 10.1016/j.tust.2016.02.002.

Analysis and estimation of gripper TBM performances in highly fractured and faulted rocks

E. Paltrinieri; F. Sandrone; J. Zhao 

Tunnelling and Underground Space Technology. 2016. Vol. 52, p. 44-61. DOI : 10.1016/j.tust.2015.11.017.

2015

Study cases of thermal conductivity prediction from P-wave velocity and porosity

L. Esteban; L. X. Pimienta; J. Sarout; C. D. Piane; S. Haffen et al. 

Geothermics. 2015. Vol. 53, p. 255-269. DOI : 10.1016/j.geothermics.2014.06.003.

Bulk modulus dispersion and attenuation in sandstones

L. X. Pimienta; J. Fortin; Y. Guéguen 

GEOPHYSICS. 2015. Vol. 80, num. 2, p. D111-D127. DOI : 10.1190/geo2014-0335.1.

Experimental study of Young’s modulus dispersion and attenuation in fully saturated sandstones

L. X. Pimienta; J. Fortin; Y. Guéguen 

GEOPHYSICS. 2015. Vol. 80, num. 5, p. L57-L72. DOI : 10.1190/geo2014-0532.1.

Fast-moving dislocations trigger flash weakening in carbonate-bearing faults during earthquakes

E. Spagnuolo; O. Plümper; M. Violay; A. Cavallo; G. Di Toro 

Scientific Reports. 2015. Vol. 5, p. 16112. DOI : 10.1038/srep16112.

Ductile flow in sub-volcanic carbonate basement as the main control for edifice stability: New experimental insights

R. R. Bakker; M. Violay; P. M. Benson; S. C. Vinciguerra 

Earth and Planetary Science Letters. 2015. Vol. 430, p. 533-541. DOI : 10.1016/j.epsl.2015.08.017.

Thermo-mechanical pressurization of experimental faults in cohesive rocks during seismic slip

M. Violay; G. Di Toro; S. Nielsen; E. Spagnuolo; J. Burg 

Earth and Planetary Science Letters. 2015. Vol. 429, p. 1-10. DOI : 10.1016/j.epsl.2015.07.054.

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

M. Violay; B. Gibert; D. Mainprice; J-P. Burg 

Geophysical Research Letters. 2015. Vol. 42, num. 8, p. 2767-2773. DOI : 10.1002/2015GL063437.

Predicting the axial capacity of piles in sand

A. F. Rotta Loria; F. Orellana; A. Minardi; J-M. Fuerbringer; L. Laloui 

Computers and Geotechnics. 2015. Vol. 69, p. 485-495. DOI : 10.1016/j.compgeo.2015.06.013.

2014

Prediction of rocks thermal conductivity from elastic wave velocities, mineralogy and microstructure

L. X. Pimienta; J. Sarout; L. Esteban; C. D. Piane 

Geophysical Journal International. 2014. Vol. 197, num. 2, p. 860-874. DOI : 10.1093/gji/ggu034.

Experimental results on the combined effects of frequency and pressure on the dispersion of elastic waves in porous rocks

J. Fortin; L. X. Pimienta; Y. Guéguen; A. Schubnel; E. C. David et al. 

The Leading Edge. 2014. Vol. 33, num. 6, p. 648-654. DOI : 10.1190/tle33060648.1.

Investigation of elastic weakening in limestone and sandstone samples from moisture adsorption

L. X. Pimienta; J. Fortin; Y. Guéguen 

Geophysical Journal International. 2014. Vol. 199, num. 1, p. 335-347. DOI : 10.1093/gji/ggu257.

High temperature instruments and methods developed for supercritical geothermal reservoir characterisation and exploitation-The HiTI project

R. Asmundsson; P. Pezard; B. Sanjuan; J. Henninges; J-L. Deltombe et al. 

GEOTHERMICS. 2014. Vol. 49, p. 90-98. DOI : 10.1016/j.geothermics.2013.07.008.

Effect of water on the frictional behaviour of cohesive rocks during earthquakes

M. Violay; S. Nielsen; B. Gibert; E. Spagnuolo; A. Cavallo et al. 

Geology. 2014. Vol. 42, num. 1, p. 27-30. DOI : 10.1130/G34916.1.

Effect of glass on the frictional behavior of basalts at seismic slip rates

M. Violay; G. Di Toro; B. Gibert; S. Nielsen; E. Spagnuolo et al. 

Geophysical Research Letters. 2014. Vol. 41, num. 2, p. 348-355. DOI : 10.1002/2013GL058601.

2013

Electrical conductivity in a partially molten crust from measurements on metasedimentary enclaves

F. Ferri; B. Gibert; M. Violay; B. Cesare 

Tectonophysics. 2013. Vol. 586, p. 84-94. DOI : 10.1016/j.tecto.2012.11.003.

Pore fluid in experimental calcite-bearing faults: Abrupt weakening and geochemical signature of co-seismic processes

M. Violay; S. Nielsen; E. Spagnuolo; D. Cinti; G. Di Toro et al. 

Earth and Planetary Science Letters. 2013. Vol. 361, p. 74-84. DOI : 10.1016/j.epsl.2012.11.021.

2012

A New Cell for Electrical Conductivity Measurement on Saturated Samples at Upper Crust Conditions

M. Violay; B. Gibert; P. Azais; P. A. Pezard; G. Lods 

TRANSPORT IN POROUS MEDIA. 2012. Vol. 91, num. 1, p. 303-318. DOI : 10.1007/s11242-011-9846-2.

The structure of the hydrothermal root zone of the sheeted dikes in the fast-spread oceanic crust: A core-log integration study of ODP Hole 1256D, Eastern equatorial pacific.

M. Violay; P. A. Pezard; B. Ildefonse; B. Celerier; A. Deleau 

Ofioliti. 2012. Vol. 37, num. 1, p. 1-11.

An experimental study of the brittle-ductile transition of basalt at oceanic crust pressure and temperature conditions

M. Violay; B. Gibert; D. Mainprice; B. Evans; J-M. Dautria et al. 

Journal of Geophysical Research: Solid Earth. 2012. Vol. 117, num. B3, p. n/a-n/a. DOI : 10.1029/2011JB008884.

2011

Identification and analysis of Swiss National Road tunnels pathologies

F. Sandrone; V. Labiouse 

Tunnelling and Underground Space Technology incorporating Trenchless. 2011. Vol. 26, num. 2, p. 374-390. DOI : 10.1016/j.tust.2010.11.008.

2010

Petrophysical properties of the root zone of sheeted dikes in the ocean crust: A case study from Hole ODP/IODP 1256D, Eastern Equatorial Pacific

M. Violay; P. A. Pezard; B. Ildefonse; A. Belghoul; C. Laverne 

Tectonophysics. 2010. Vol. 493, num. 1-2, p. 139-152. DOI : 10.1016/j.tecto.2010.07.013.

Analysis of the evolution of road tunnels equilibrium conditions with a convergence–confinement approach

F. Sandrone; V. Labiouse 

Rock Mechanics and Rock Engineering. 2010. Vol. 43, num. 2, p. 201-218. DOI : 10.1007/s00603-009-0056-y.

2007

Data collection for Swiss road tunnels maintenance

F. Sandrone; V. Labiouse; J-F. Mathier 

Felsbau. 2007. num. 1, p. 8-14.

Conference Papers

2018

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

L. X. Pimienta; M. Violay 

2018-06-11. 80th EAGE Annual Conference 2018, Copenhagen, Denmark, June, 11 - 14, 2018.

Theses

2018

Frictional and transport properties of faults zones in the Opalinus Clay formation

L. F. Orellana Espinoza / M. E. S. Violay; J-F. Molinari (Dir.)  

Lausanne: EPFL, 2018. DOI : 10.5075/epfl-thesis-9002.

Posters

2019

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.

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.

2018

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.

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.

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.

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.

Evolution in physical properties of crustal rocks submitted to large temperatures

L. X. Pimienta; M. Violay 

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

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. 

AGU Fall Meeting, Washington D.C., USA, 10 - 14 December 2018.

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.

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.

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,

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,

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,

2017

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.

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.

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,

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.

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.

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.

2016

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.

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.

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.

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.

On the stability of clay-bearing faults

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

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

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.

Viscosity fluid influence on stick-slip motions

C. Cornelio; M. Violay; E. Spagnuolo 

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

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.

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.

Energy diaphragm walls for Turin metro

C. Cornelio; A. Di Donna; M. Barla 

European Geothermal Congress 2016, Strasbourg, France, September, 19-23, 2016.

2015

Frictional Properties of Opalinus Clay

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

13th Swiss Geoscience Meeting, Basel, Switzerland,

Talks

2019

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.

Terremotos en el Laboratorio: ¿Qué podemos aprender de la física de grandes sismos?

M. Acosta 

Invited Seminar at Escuela Politécnica Nacional del Ecuador – Instituto Geofísico.

2018

Understanding earthquakes in the laboratory

M. Acosta 

Gabfest PhD seminar , Lausanne, Switzerland, 18.10.2018.

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.

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.

Fluid viscosity controls earthquakes nucleation

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

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

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.

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.

Fault reactivation in thick fault zones: a laboratory perspective

C. Giorgetti; T. Tesei; M. M. Scuderi; C. Collettini 

AGU Fall Meeting , Washington D.C., USA, 10 - 14 December 2018.

Reactivation of Gouge-bearing Faults: an Experimental Insight

C. Giorgetti; T. Tesei; M. M. Scuderi; C. Collettini 

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

Fluid viscosity controls earthquakes nucleation

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

International Symposium on Energy Geotechnics 2018, Lausanne, Switzerland,

Experimental study of reservoir seismicity using different injection strategies

C. Noël; L. X. Pimienta; M. Violay 

International Symposium on Energy Geotechnics, Lausanne, Switzerland,

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,

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,

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

M. Violay 

International Symposium on Energy Geotechnics 2018, Lausanne, Switzerland,

Fault reactivation: insights from triaxial saw-cut experiments

C. Giorgetti; T. Tesei; M. M. Scuderi; C. Collettini 

TSG and MSG Joint Conference 2018, Plymouth, UK, 3 – 5 January 2018.

2017

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.

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.

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.

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.

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.

The Influence of pore water on dynamic rupture processes

M. Violay 

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

2016

Hydro Mechanical couplings in enhanced geothermal reservoirs

M. A. Acosta; M. Violay 

ENAC Research Day 2016, Lausanne, Switzerland, 2016.

Fault Frictional Stability in a Nuclear Waste Repository

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

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

On fault co-seismic processes

M. Violay 

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

On fault co-seismic processes

M. Violay 

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

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.

2015

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,

Media

2018

La présence d'eau dans les roches atténue la force des séismes induits

M. Acosta; M. Violay 

2018-08-16.