Journal Articles

2026

Influence of fluid chemical composition on fracture toughness and frictional strength weakening: Sandstone brittle and ductile strength constraints

C. Noël; P. Baud; F. Lazari; G. Shahin; M. Violay

International Journal of Rock Mechanics and Mining Sciences. 2026. Vol. 205, p. 106611. DOI : 10.1016/j.ijrmms.2026.106611.

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Poromechanical Toughening in Tensile Fracture of Saturated Solids

A. Guggisberg; M. Allache; P. Braun; M. Violay; M. Lebihain

Nature Communications. 2026. DOI : 10.1038/s41467-026-76352-3.

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Evolution of the Vp/Vs ratio during deformation and implications for fault mechanics

N. Bigaroni; F. Trippetta; C. Noël; C. Giorgetti; C. Collettini

Earth and Planetary Science Letters. 2026. Vol. 688. DOI : 10.1016/j.epsl.2026.120090.

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Metamodel for porous rock: Porosity and water-weakening controls on brittle–ductile transition in sandstones

G. Shahin; M. Violay

International Journal of Rock Mechanics and Mining Sciences. 2026. Vol. 203. DOI : 10.1016/j.ijrmms.2026.106546.

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Advances in rock physics — Introduction

L. Pimienta; B. Quintal; J. Sarout; E. Caspari; O. Collet et al.

Geophysics. 2026. Vol. 91, num. 3, p. WBi – WBii. DOI : 10.1190/geo-2026-0618-spseintro.

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Exploring slip partitioning in the Southern Andes: New insights from fault slip data and crustal seismicity Explorando la partición del deslizamiento en los Andes del Sur: Nuevas perspectivas a partir de datos La partición del vector de convergencia entre la zona de subducción y de deslizamiento de fallas y sismicidad cortical.

J. Cembrano; P. Iturrieta; N. Pérez-Estay; A. Stanton-Yonge; J. Ruz-Ginouves et al.

Andean Geology. 2026. Vol. 53, num. 2, p. 336 – 361. DOI : 10.5027/andgeov53n2-3885.

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Isotropic fluid-saturated microcracked rocks exhibit anisotropic response at the time of measurement

L. Pimienta; Y. Alkhimenkov; B. Quintal

Geophysics. 2026. Vol. 91, num. 3, p. WB69 – WB79. DOI : 10.1190/geo-2025-0546.

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MISTRAL: Triaxial apparatus for extreme chemo-hydro-mechanics and in situ x-ray imaging

G. Shahin; M. Violay; A. Mermod; K. Guenin

Review of Scientific Instruments. 2026. Vol. 97, num. 5. DOI : 10.1063/5.0297997.

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Geophysics-assisted imaging of shallow gas pockets and hydrothermal alteration at the summit of La Soufrière de Guadeloupe (Eastern Caribbean)

A. Mendieta; M. Rosas-Carbajal; D. Jessop; J. Komorowski; S. Deroussi et al.

Bulletin of Volcanology. 2026. Vol. 88, num. 5. DOI : 10.1007/s00445-026-01963-z.

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Negative Frictional Healing in Icelandic Geothermal (IDDP‐2) Core Samples: Potential Implications for Detachment‐Fault Mechanics

B. P. Fryer; F. Jermann; P. Patrier; B. Lanson; S. Jelavić et al.

Geochemistry, Geophysics, Geosystems. 2026. Vol. 27, num. 4. DOI : 10.1029/2025gc012751.

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The influence of hydrothermal alteration on the frictional properties of andesites: implications for volcano instability and collapse

C. Giorgetti; M. J. Heap; H. A. Gilg; J-C. Komorowski; M. Violay

Bulletin of Volcanology. 2026. Vol. 88, num. 4. DOI : 10.1007/s00445-026-01946-0.

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Conference Papers

2026

Lithologic Controls on Frictional Behavior Along the Shallow Subduction Interface: Constraints From an Exhumed Accretionary Wedge (McHugh Complex, Alaska)

M. Rast; W. Behr; C. Madonna; S. Guérin-Marthe

2026. EGU26, the 26th EGU General Assembly 2026, Vienna, Austria, and online, 2026-05-03 – 2026-05-08. DOI : 10.5194/egusphere-egu26-16525.

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The role of veinlets in the unconfined behavior of El Teniente Mine rock samples: Implications for mining-induced rockmass failure

F. Robbiano; M. Violay; L. F. Orellana; A. Guggisberg; E. Heinkel

2026. EGU26, the 26th EGU General Assembly 2026, Vienna, Austria, and online, 2026-05-03 – 2026-05-08. DOI : 10.5194/egusphere-egu26-19556.

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Pore pressure at the crack tip: fluid-induced toughening during tensile fracture of fluid-saturated porous solids

M. Lebihain; A. Guggisberg; M. Allache; P. Braun; M. Violay

2026. EGU26, the 26th EGU General Assembly 2026, Vienna, Austria, and online, 2026-05-03 – 2026-05-08. DOI : 10.5194/egusphere-egu26-9104.

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The influence of porosity and microstructure on the fracture toughness of basalts from Mt. Etna: laboratory measurements

L. Papanagnou; S. Furst; C. Noël; M. J. Heap; M. Violay et al.

2026. EGU26, the 26th EGU General Assembly 2026, Vienna, Austria, and online, 2026-05-03 – 2026-05-08. DOI : 10.5194/egusphere-egu26-21233.

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Transient permeability in ductile rocks: the competition between deformation and healing

G. Meyer; F. Lazari; M. Violay

2026. EGU26, the 26th EGU General Assembly 2026, Vienna, Austria, and online, 2026-05-03 – 2026-05-08. DOI : 10.5194/egusphere-egu26-13002.

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Effects of pore fluid chemistry on localised and ductile deformation of porous rocks

F. Lazari; G. Meyer; A. Pluymakers; M. Violay

2026. EGU26, the 26th EGU General Assembly 2026, Vienna, Austria, and online, 2026-05-03 – 2026-05-08. DOI : 10.5194/egusphere-egu26-19502.

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The effect of frictional heterogeneities on the seismic cycle: Insights from triaxial experiments

C. Noël; P. Dublanchet; C. Twardzik; F. Passelègue

2026. EGU26, the 26th EGU General Assembly 2026, Vienna, Austria, and online, 2026-05-03 – 2026-05-08. DOI : 10.5194/egusphere-egu26-5279.

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The effect of fluid chemistry on sandstone’s fracture toughness and frictional strength: Implications for brittle and ductile strength

C. Noël; P. Baud; F. Lazari; G. Shahin; M. Violay

2026. EGU26, the 26th EGU General Assembly 2026, Vienna, Austria, and online, 2026-05-03 – 2026-05-08. DOI : 10.5194/egusphere-egu26-5261.

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Working Papers

2026

Maximum fluid-induced earthquake magnitude shifts from injected volume to stress control

R. Ferry; S. Guérin-Marthe; C. Noël; J. Engler; J-F. Molinari et al.

2026

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