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Valerie Cayol

CNRS Research Director
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  • 914
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Research domains

Volcanology

Skills

3D modelling of deformation and stress using boundary elements Non- linear inversion of surface deformations for dikes, linear inversions for reservoirs Joint inversion of deformation data and seismicity, or deformation and gravity changes.

Publications

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Is stress modeling able to forecast intrusions and slip events at Piton de la Fournaise volcano ?

Quentin Dumont , Valérie Cayol , Jean-Luc Froger
Earth and Planetary Science Letters, 2024, 626, pp.118494. ⟨10.1016/j.epsl.2023.118494⟩
Journal articles hal-04294953v1
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Understanding the drivers of volcano deformation through geodetic model verification and validation

Josh Crozier , Leif Karlstrom , Emily Montgomery-Brown , Mario Angarita , Valérie Cayol
Bulletin of Volcanology, 2023, 80, pp.10.1007/s00445-023-01687-4
Journal articles hal-04295090v1
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Volcano‐Magnetic Signal Reveals Rapid Evolution of the Inner Structure of Piton de la Fournaise

Lydie Gailler , Philippe Labazuy , Quentin Dumont , Jean‐luc Froger , Aline Peltier
Journal of Geophysical Research : Solid Earth, 2023, 128 (1), pp.e2022JB025290. ⟨10.1029/2022JB025290⟩
Journal articles hal-04125152v1
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Precursor-free eruption triggered by edifice rupture at Nyiragongo volcano

D. Smittarello , B. Smets , J. Barrière , C. Michellier , A. Oth
Nature, 2022, 609 (7925), pp.83-88. ⟨10.1038/s41586-022-05047-8⟩
Journal articles insu-03779616v1
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22 years of satellite imagery reveal a major destabilization structure at Piton de la Fournaise

Quentin Dumont , Valérie Cayol , Jean-Luc L Froger , Aline Peltier
Nature Communications, 2022, 13 (1), pp.2649. ⟨10.1038/s41467-022-30109-w⟩
Journal articles hal-03712643v1
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Structured elicitation of expert judgement in real-time eruption scenarios: an exercise for Piton de la Fournaise volcano, La Réunion island

Alessandro Tadini , Andrew Harris , Julie Morin , Andrea Bevilacqua , Aline Peltier
Volcanica, 2022, 5 (1), pp.105-131. ⟨10.30909/vol.05.01.105131⟩
Journal articles hal-03712658v1
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An inverse problem in an elastic domain with a crack : a fictitious domain approach

Oliver Bodart , Valérie Cayol , Farshid Dabaghi , Jonas Koko
Computational Geosciences, 2022, ⟨10.1007/s10596-021-10121-7⟩
Journal articles hal-03524275v1
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Mitigating bias in inversion of InSAR data resulting from radar viewing geometries

Quentin Dumont , Valérie Cayol , Jean-Luc Froger
Geophysical Journal International, 2021, 227 (1), pp.483-495. ⟨10.1093/gji/ggab229⟩
Journal articles hal-03356622v1
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Characterizing the physical properties of gelatin, a classic analog for the brittle elastic crust, insight from numerical modeling

D. Smittarello , Virginie Pinel , F. Maccaferri , S. Furst , E. Rivalta
Tectonophysics, 2021, 812, 228901 [15 p.]. ⟨10.1016/j.tecto.2021.228901⟩
Journal articles hal-03290605v1
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What Triggers Caldera Ring‐Fault Subsidence at Ambrym Volcano? Insights From the 2015 Dike Intrusion and Eruption

Tara Shreve , R. Grandin , D. Smittarello , Valérie Cayol , V. Pinel
Journal of Geophysical Research : Solid Earth, 2021, 126 (6), ⟨10.1029/2020JB020277⟩
Journal articles hal-03353471v1
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Robust Bayesian Joint Inversion of Gravimetric and Muographic Data for the Density Imaging of the Puy de Dôme Volcano (France)

Anne Barnoud , Valérie Cayol , Peter G Lelièvre , Angélie Portal , Philippe Labazuy
Frontiers in Earth Science, 2021, 8, ⟨10.3389/feart.2020.575842⟩
Journal articles hal-03108803v1
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On the Propagation Path of Magma‐Filled Dikes and Hydrofractures: The Competition Between External Stress, Internal Pressure, and Crack Length

F. Maccaferri , D. Smittarello , V. Pinel , Valérie Cayol
Geochemistry, Geophysics, Geosystems, 2019, 20 (4), pp.2064-2081. ⟨10.1029/2018GC007915⟩
Journal articles hal-02135359v1
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Joint inversion methods with relative density offset correction for muon tomography and gravity data, with application to volcano imaging

Peter Lelièvre , Anne Barnoud , Valentin Niess , Cristina Carloganu , Valérie Cayol
Geophysical Journal International, 2019, 218 (3), pp.1685-1701. ⟨10.1093/gji/ggz251⟩
Journal articles hal-02278011v1
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Bayesian joint muographic and gravimetric inversion applied to volcanoes

Anne Barnoud , Valérie Cayol , Valentin Niess , Cristina Carloganu , Peter Lelièvre
Geophysical Journal International, 2019, 218 (3), pp.2179-2194. ⟨10.1093/gji/ggz300⟩
Journal articles hal-02196499v1
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Magma propagation at Piton de la Fournaise from joint inversion of InSAR and GNSS

Delphine Smittarello , Valérie Cayol , Virginie Pinel , Aline Peltier , Jean-Luc Froger
Journal of Geophysical Research : Solid Earth, 2019, 124 (2), pp.1361-1387. ⟨10.1029/2018JB016856⟩
Journal articles hal-02324526v1
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Combining InSAR and GNSS to Track Magma Transport at Basaltic Volcanoes

Delphine Smittarello , Valérie Cayol , Virginie Pinel , Jean-Luc Froger , Aline Peltier
Remote Sensing, 2019, 11, pp.2236. ⟨10.3390/rs11192236⟩
Journal articles hal-02297312v1
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APPORT DES DONNEES SAR A LA COMPREHENSION ET A LA SURVEILLANCE DES VOLCANS : EXEMPLE DU PITON DE LA FOURNAISE

Jean-Luc Froger , V. Pinel , G. Bato , Marine Tridon , Delphine Smittarello
Revue Française de Photogrammétrie et de Télédétection, 2019, 219-220 (Janvier-Juin), pp.83-90. ⟨10.52638/rfpt.2019.470⟩
Journal articles hal-03049814v1
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XFEM-Based Fictitious Domain Method for Linear Elasticity Model with Crack

Olivier Bodart , Valérie Cayol , Sébastien Court , Jonas Koko
SIAM Journal on Scientific Computing, 2016, 38 (2), pp.B219-B246. ⟨10.1137/15m1008385⟩
Journal articles hal-01951032v1
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Inversion of coeval shear and normal stress of Piton de la Fournaise flank displacement

Marine Tridon , Valérie Cayol , Jean-Luc Froger , Aurélien Augier , Patrick Bachèlery
Journal of Geophysical Research : Solid Earth, 2016, 121 (11), pp.7846 - 7866. ⟨10.1002/2016JB013330⟩
Journal articles hal-01638565v1
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Time-dependent displacements during and after the April 2007 eruption of Piton de la Fournaise, revealed by interferometric data

Jean-Luc Froger , Vincent Famin , Valérie Cayol , Aurélien Augier , Laurent Michon
Journal of Volcanology and Geothermal Research, 2015, 296, pp.55-68. ⟨10.1016/j.jvolgeores.2015.02.014⟩
Journal articles hal-01172390v1
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Magma Pathways and Their Interactions Inferred from InSAR and Stress Modeling at Nyamulagira Volcano, D.R. Congo

Christelle Wauthier , Valérie Cayol , Benoit Smets , Nicolas D’oreye , Francois Kervyn
Remote Sensing, 2015, 7 (11), pp.15179-15202. ⟨10.3390/rs71115179⟩
Journal articles hal-02115278v1
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Persistent uplift of the Lazufre volcanic complex (Central Andes): New insights from PCAIM inversion of InSAR time series and GPS data

Dominique Rémy , Jean-Luc L Froger , Hugo Perfettini , Sylvain Bonvalot , Germinal Gabalda
Geochemistry, Geophysics, Geosystems, 2014, 15 (9), pp.3591-3611. ⟨10.1002/2014GC005370⟩
Journal articles hal-03025513v1
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Sheared sheet intrusions as mechanism for lateral flank displacement on basaltic volcanoes: Applications to Réunion Island volcanoes

Valérie Cayol , Thibault Catry , Laurent Michon , Marie Chaput , Vincent Famin
Journal of Geophysical Research, 2014, 119 (10), pp.7607-7635. ⟨10.1002/2014JB011139⟩
Journal articles hal-01133675v1
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Nyamulagira’s magma plumbing system inferred from 15 years of InSAR

Christelle Wauthier , Valérie Cayol , Mickael Poland , François Kervyn , Nicolas d'Oreye
The Geological Society, London, Special Publications, 2013, 380 (1), pp.39-65. ⟨10.1144/SP380.9⟩
Journal articles hal-03049852v1
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Magma sources involved in the 2002 Nyiragongo eruption, as inferred from an InSAR analysis

C. Wauthier , Valérie Cayol , Francois Kervyn , Nicolas d'Oreye
Journal of Geophysical Research, 2012, 117, pp.B05411. ⟨10.1029/2011JB008257⟩
Journal articles hal-00793989v1
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Evolution of magma conduits during the 1998-2000 eruptions of Piton de la Fournaise volcano, Réunion Island

Yo Fukushima , Valérie Cayol , Durand Philippe , Massonnet Didier
Journal of Geophysical Research : Solid Earth, 2010, pp.B10204. ⟨10.1029/2009JB007023⟩
Journal articles hal-00576879v1

A comment on " Hidden dykes detected on ultra long period seismic signals at Piton de la Fournaise volcano ?" by N. Houlié and J.-P. Montagner, EPSL 261, (2007)

Jean Battaglia , Valérie Cayol
Earth and Planetary Science Letters, 2009, 287, pp.284-287. ⟨10.1016/j.epsl.2009.06.023⟩
Journal articles hal-00453263v1
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Edifice growth, deformation and rift zone development in basaltic setting: Insights from Piton de la Fournaise shield volcano (Réunion Island)

Laurent Michon , Valérie Cayol , Ludovic Letourneur , Aline Peltier , Nicolas Villeneuve
Journal of Volcanology and Geothermal Research, 2009, 184 (1-2), pp.14-30. ⟨10.1016/j.jvolgeores.2008.11.002⟩
Journal articles hal-00449403v1

A comment on “Hidden dykes detected on ultra long period seismic signals at Piton de la Fournaise volcano?” by N. Houlié and J.-P. Montagner, EPSL 261, (2007)

Jean Battaglia , Valérie Cayol
Earth and Planetary Science Letters, 2009, 287 (1-2), pp.284-287. ⟨10.1016/j.epsl.2009.06.023⟩
Journal articles hal-03049364v1
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Formation of the April 2007 caldera collapse at Piton de la Fournaise volcano: Insights from GPS data

Aline Peltier , Thomas Staudacher , Patrick Bachèlery , Valérie Cayol
Journal of Volcanology and Geothermal Research, 2009, 184, pp.152-163. ⟨10.1016/j.jvolgeores.2008.09.009⟩
Journal articles hal-00450769v1

Cyclic magma storages and transfers at Piton de La Fournaise volcano (La Réunion hotspot) inferred from deformation and geochemical data

Aline Peltier , Vincent Famin , Patrick Bachèlery , Valérie Cayol , Yo Fukushima
Earth and Planetary Science Letters, 2008, 270 (3-4), pp.180-188. ⟨10.1016/j.epsl.2008.02.042⟩
Journal articles hal-03049565v1
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Shear stress along the conduit wall as a plausible source of tilt at Soufrière Hills volcano, Montserrat

D.N. Green , J. Neuberg , Valérie Cayol
Geophysical Research Letters, 2006, 33, pp.1-5. ⟨10.1029/2006GL025890⟩
Journal articles hal-00195332v1
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Finding realistic dike models from interferometric synthetic aperture radar data: The February 2000 eruption at Piton de la Fournaise

Y. Fukushima , Valérie Cayol , P Durand
Journal of Geophysical Research, 2005, 110 (B3), ⟨10.1029/2004jb003268⟩
Journal articles hal-03049570v1

The use of earthquake rate changes as a stress meter at Kilauea volcano

James Dieterich , Valérie Cayol , Paul Okubo
Nature, 2000, 408 (6811), pp.457-460. ⟨10.1038/35044054⟩
Journal articles hal-03925013v1
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High Magma Storage Rates Before the 1983 Eruption of Kilauea, Hawaii

Valérie Cayol , James H. Dieterich , Arnold T. Okamura , Asta Miklius
Science, 2000
Journal articles hal-03049436v1
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Effects of topography on the interpretation of the deformation field of prominent volcanoes-Application to Etna

Valérie Cayol , François Henri Cornet
Geophysical Research Letters, 1998
Journal articles hal-03049427v1
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Three-dimensional modeling of the 1983-1984 eruption at Piton de la Fournaise Volcano, R6union Island

Valérie Cayol , François H Cornet
Journal of Geophysical Research : Solid Earth, 1998
Journal articles hal-03049424v1
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3D mixed boundary elements for elastostatic deformation field analysis

Valérie Cayol , F.H. Cornet
International Journal of Rock Mechanics and Mining Sciences, 1997, 34 (2), pp.275-287. ⟨10.1016/S0148-9062(96)00035-6⟩
Journal articles hal-03925084v1

DefVolc: Interface and web service for fast computation of volcano displacement

Valerie Cayol , Yo Fukushima , Delphine Smittarello , Farshid Dabaghi , Marine Tridon
Colloque Scientifique 2022 du Groupe de Recherche Interdisciplinaire Grand Rift Africain (GDR Rift), CNRS, Nov 2022, Lyon, France
Conference papers hal-04308623v1
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Fictitious domain method for an inverse problem in volcanos

Oliver Bodart , Valérie Cayol , Farshid Dabaghi , Jonas Koko
DD 25 Conference (Domain Decomposition 25e édition), Jul 2018, St. John's, Newfoundland, Canada
Conference papers hal-02081615v1
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Fictitious domain method for an inverse problem in volcanoes

Olivier Bodart , Valérie Cayol , Farshid Dabaghi , Jonas Koko
Domain Decomposition Methods in Science and Engineering XXV Series: Lecture Notes in Computational Science and Engineering,, 138, Springer International Publishing, pp.498, 2020
Proceedings hal-02325032v1

Monitoring Volcano Deformation

Valérie Cayol , Aline Peltier , Jean-Luc Froger , François Beauducel
Lénat Jean-François. Hazards and Monitoring of Volcanic Activity 2 - Seismology, Deformation and Remote Sensing, 2, ISTE Ltd; Wiley, pp.95-165, 2022, Geosciences, 978-1-78945-045-3
Book sections hal-03874596v1

Monitoring of Volcano deformation

Valérie Cayol , Aline Peltier , Jean-Luc Froger , François Beauducel
Lénat Jean-François. Hazards and Monitoring of Volcanic Activity, Volume 2, Sismology, deformation and remote sensing, ISTE Science Publishing LTD, pp.95-153, 2022, Geoscience : Lithosphere-Asthenosphere Interactions, 978-1-78945-045-3
Book sections hal-03853732v1

Surveillance de la déformation des volcans

Valérie Cayol , Aline Peltier , Jean-Luc Froger , François Beauducel
Lénat Jean-François. Aléas et surveillance de l’activité volcanique, Volume 2, Sismologie, deformation and télédétection, ISTE Science Publishing LTD, pp.103-176, 2022, 9781789480450
Book sections hal-03853780v1

The March–April 2007 Eruptions of Piton de la Fournaise as Recorded by Interferometric Data

Jean-Luc Froger , Valérie Cayol , Vincent Famin
Bachelery, Patrick and Lenat, Jean-François and Muro, Andrea Di and Michon, Laurent. Active Volcanoes of the Southwest Indian Ocean, Springer, pp.271--286, 2016, Active Volcanoes of the World, 978-3-642-31394-3
Book sections hal-01448832v1

Observatoire INSAR de L’océan indien (OI2), un volcan sous haute surveillance

Jean-Luc Froger , Valérie Cayol , M. Tridon , M. G. Bato , Jean-Marie Prival
Patrick Bachèlery; D. Laporte; J. Van Baelen; P. Schiano. Des volcans aux nuages, l’Observatoire de Physique du Globe de Clermont-Ferrand, Volume 1, Revue Auvergne, pp.277-297, 2016
Book sections hal-01907378v1

Stress Changes Before and During the Pu‘u ‘Ö‘ö-Küpaianaha Eruption

James Dieterich , Valérie Cayol , Paul Okubo
The Pu‘u ‘Ō‘ō-Kūpaianaha Eruption of Kīlauea Volcano, Hawai‘i: The First 20 Years, 1676, , pp.187-201, 2003, The Pu‘u ‘Ö‘ö-Küpaianaha Eruption of Kïlauea Volcano, Hawai‘i: The First 20 Years
Book sections hal-03049580v1
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Apport de la modélisation des déformations à la compréhension du volcanisme

Valérie Cayol
Volcanologie. Université Clermont Auvergne, 2020
Habilitation à diriger des recherches tel-03081057v1