Julia Eychenne

Chargée de recherche
CNRS
Team Volcanology
Axes: Andin Volcanism -
Office: 1.11 - LMV Cezeaux
Phone: +33 (0)4.73.34.67.55
Email : julia.eychenne@uca.fr

Associated to Laboratoire de Génétique, Reproduction et Développement (GReD)
28 place H. Dunant – 63000 Clermont-Fd
Office: 337 (3rd level)
Phone: 04.73.17.82.10

  • Research topics

    – Eruptive dynamics of explosive volcanism

    – Injection, dispersion and sedimentation of volcanic plumes through the atmosphere

    – Primary and secondary processes of volcanic ash generation

    – Health impact of volcanic ash

    Research approaches

    – Sedimentology of pyroclastic deposits

    – Physical characterisation of pyroclasts and fine ash in particular

    – Numerical simulation of volcanic plume dispersion and sedimentation

    – Statistical analyses

    – Biology experiments on cellular models

    Administrative activities

    – Member of the 2019-2023 IAVCEI Executive Committee (International Association of Volcanology and Chemistry of the Earth’s Interior)

  •  Biography

    – Since 2020 : CNRS Researcher, Laboratoire Magmas et Volcans & Laboratoire de Génétique, Reproduction et Développement, Clermont-Ferrand

    – 2019-2020 : I-Site CAP 20-25 Postdoctoral fellow, Laboratoire Magmas et Volcans & Laboratoire de Génétique, Reproduction et Développement, Clermont-Ferrand

    – 2016-2017 : Postdoctoral fellow from the French National Research Institute for Sustainable Development (IRD), Laboratoire Magmas et Volcans, Clermont-Ferrand, FRANCE

    – 2013-2016 : Marie Curie Postdoctoral fellow, University of Bristol, UK

    – 2012-2013 : Postdoctoral fellow, University of Hawaii, US

    – 2008-2012 : PhD student, Laboratoire Magmas et Volcans, Clermont-Ferrand, FRANCE

  • Publications :

    Peer-reviewed publications :

    • Hornby A.J., Ayris P.M., Damby D.E., Diplas S., Eychenne J., Kendrick J.E., Cimarelli C., Kueppers U., Scheu B., Utley J.E.P., Dingwell D.B. (2024). Nanoscale silicate melt textures determine volcanic ash surface chemistry. Nature Communications vol.15, p.531, 1, - DOI:10.1038/s41467-024-44712-6 - lien HAL .
    • Hornby A.J., Ayris P.M., Damby D.E., Diplas S., Eychenne J., Kendrick J.E., Cimarelli C., Kueppers U., Scheu B., Utley J.E.P., Dingwell D.B. (2024). Nanoscale silicate melt textures determine volcanic ash surface chemistry. Nature Communications vol.15, p.531, 1, - DOI:10.1038/s41467-024-44712-6 - lien HAL .


    • Aubry T.J., Engwell S., Bonadonna C., Carazzo G., Scollo S., Van Eaton A.R., Taylor I.A., Jessop D., Eychenne J., Gouhier M., Mastin L.G., Wallace K.L., Biass S., Bursik M., Grainger R.G., Jellinek A.M., Schmidt A. (2021). The Independent Volcanic Eruption Source Parameter Archive (IVESPA, version 1.0): A newobservational database to support explosive eruptive column model validation and development. Journal of Volcanology and Geothermal Research vol.417, p.107295, - DOI:10.1016/j.jvolgeores.2021.107295 - lien HAL .
    • Edwards M.J., Eychenne J., Pioli L. (2021). Formation and Dispersal of Ash at Open Conduit Basaltic Volcanoes: Lessons From Etna. Frontiers in Earth Science vol.9, p.709657, - DOI:10.3389/feart.2021.709657 - lien HAL .
    • Tadini A., Roche O., Samaniego P., Azzaoui N., Bevilacqua A., Guillin A., Gouhier M., Bernard B., Aspinall W., Hidalgo S., Eychenne J., de’ Michieli Vitturi M., Neri A., Cioni R., Pistolesi M., Gaunt E., Vallejo S., Encalada M., Yepes H., Proaño A., Pique M. (2021). Eruption type probability and eruption source parameters at Cotopaxi and Guagua Pichincha volcanoes (Ecuador) with uncertainty quantification. Bulletin of Volcanology vol.83, p.35, - DOI:10.1007/s00445-021-01458-z - lien HAL .

    • Tadini A., Roche O., Samaniego P., Guillin A., Azzaoui N., Gouhier M., de’ Michieli Vitturi M., Pardini F., Eychenne J., Bernard B., Hidalgo S., Le Pennec J.L. (2020). Quantifying the uncertainty of a coupled plume and tephra dispersal model: PLUME-MOM/HYSPLIT simulations applied to Andean volcanoes. Journal of Geophysical Research - Solid Earth - DOI:10.1029/2019JB018390 - lien HAL .
    • Thivet S., Gurioli L., Di Muro A., Eychenne J., Besson P., Nedelec J.M. (2020). Variability of ash deposits at Piton de la Fournaise (La Reunion Island): insights into fragmentation processes at basaltic shield volcanoes. Bulletin of Volcanology vol.82, 63, - DOI:10.1007/s00445-020-01398-0 - lien HAL .


    • Buckland H.M., Eychenne J., Rust A.C., Cashman K.V. (2018). Relating the physical properties of volcanic rocks to the characteristics of ash generated by experimental abrasion. Journal of Volcanology and Geothermal Research vol.349, p.335-350, - DOI:10.1016/j.jvolgeores.2017.11.017 - lien HAL .

    • Eychenne J., Rust A.C., Cashman K.V., Wobrock W. (2017). Distal Enhanced Sedimentation From Volcanic Plumes: Insights From the Secondary Mass Maxima in the 1992 Mount Spurr Fallout Deposits. Journal of Geophysical Research - Solid Earth vol.122, p.7679-7697, 10, - DOI:10.1002/2017JB014412 - lien HAL .

    • Bernard J., Eychenne J., Le Pennec J.L., Narvaez D. (2016). Mass budget partitioning during explosive eruptions: insights from the 2006 paroxysm of Tungurahua volcano, Ecuador. Geochemistry, Geophysics, Geosystems vol.17, p.3224-3240, - DOI:10.1002/2016GC006431.

    • Eychenne J., Le Pennec J.L., Ramon P., Yepes H. (2013). Dynamics of explosive paroxysms at open-vent andesitic systems: High-resolution mass distribution analyses of the 2006 Tungurahua fall deposit (Ecuador). Earth and Planetary Science Letters vol.361, p.343-355.

    • Eychenne J., Le Pennec J.L. (2012). Sigmoidal particle density distribution in a subplinian scoria fall deposit. Bulletin of Volcanology vol.74, p.2243-2249.
    • Eychenne J., Le Pennec J.L., Troncoso L., Gouhier M., Nedelec J.M. (2012). Causes and consequences of bimodal grainsize distribution of tephra fall deposited during the August 2006 Tungurahua eruption (Ecuador). Bulletin of Volcanology vol.74, p.187-205.

    • Jones, T.J., McNamara, K., Eychenne, J., Rust, A.C., Cashman, K.V., Scheu, B., Edwards, R. (2016). Primary and secondary fragmentation of crystal bearing intermediate magma. J. Geotherm. Volcanol. Res. Doi:10.1016/j.jvolgeores.2016.06.022
    • Famin, V., Berthod, C., Michon, L., Eychenne, J., Brothelande, E., Mahabot, M-M., Chaput, M. (2016). Localization of magma injections, hydrothermal alteration, and deformation in a volcanic detachment (Piton des Neiges, La Réunion). Journal of Geodynamics. Doi:10.1016/j.jog.2016.05.007
    • Engwell, S., Eychenne, J. (2016). Chapter 4: Contribution of fine ash to the atmosphere from plumes associated with pyroclastic density currents. In Volcanic Ash: Hazard Observation, edited by Mackie, S., Ricketts, H., Watson, M., Cashman, K., Rust, A. Elsevier.
    • Eychenne, J., Cashman, K., Rust, A., Durant, A. (2015). Impact of the lateral blast on the spatial pattern and grain size characteristics of the May 18, 1980 Mount St. Helens fallout deposit. J. Geophys. Res. 120, 6018-6038.
    • Eychenne, J., Houghton, B., Swanson, D., Carey, R., Swavely, L. (2015). Dynamics of an open basaltic magma system: the 2008 activity of the Halema’uma’u Overlook vent, Kilauea Caldera. Earth Planet. Scie. Let. 409, 49-60.
    • Eychenne, J., Le Pennec, J.L., Ramon, P., Yepes, H. (2013). Dynamics of explosive paroxysms at open-vent andesitic systems: High-resolution mass distribution analyses of the 2006 Tungurahua fall deposit (Ecuador). Earth Planet. Scie. Let. 361, 343-355.
    • Eychenne, J., Le Pennec, J.L. (2012). Sigmoidal particle density distribution in a subplinian scoria fall deposit. Bull. Volcanol. 74, 2243-2249.
    • Eychenne, J., Le Pennec, J.L., Troncoso, L., Gouhier, M., Nedelec, J.M. (2012). Causes and consequences of bimodal grainsize distribution of tephra fall deposited during the August 2006 Tungurahua eruption (Ecuador). Bull. Volcanol. 74, 187-205. 
    Communications & other publications (after 2016) :

    • Tomasek I., Eychenne J., Damby D.E., Hornby A., Romanias M.N., Moune S., Uzu G., Blanchon L., Sapin V. (2023). Physicochemical properties and bioreactivity of sub-10 µm geogenic particles: volcanic ash versus desert dust. International conference on mineral dust, Bari (IT), Italy, May 2023, - lien HAL .

    • Eychenne J., Damby D. (2022). Health impact of volcanic eruptions. Department of Earth and Atmospheric Sciences, Cornell University, August 19.
    • Eychenne J., Gurioli L., Belville C., Schiavi F., Damby D., Marceau G., Szczepaniak C., Blavignac C., Le Pennec J.L., Nedelec J.M., Blanchon L., Sapin V. (2022). Physicochemical properties of respirable volcanic ash from the 2006 Tungurahua eruption (Ecuador) and alveolar epithelium response in-vitro. Cities on Volcanoes 11, Crete.

    • Eychenne J. (2021). Ultra-fine volcanic ash: environmental occurrence, physico-chemical properties and toxicity. OPGC, UCA, CNRS and CAP20-25 Virtual Regional Workshop “Contaminants environnementaux d’origine naturelle et anthropique et impacts sanitaires”., June 15-17.

    • Thivet S., Eychenne J., Gurioli L. (2020). L'analyse texturale des téphras: un outil précieux pour comprendre la dynamique des éruptions. LAVE p.32-36, 197.

    • Tadini A., Roche O., Samaniego P., Guillin A., Azzaoui N., Gouhier M., Bevilacqua A., de'Michieli Vitturi M., Pardini F., Bernard B., Aspinall W., Eychenne J., Hidalgo S., Le Pennec J.L., Neri A., Cioni R., Pistolesi M, Gaunt H.E., Vargas S.V., Encalada M., Yepes H.A., Proaño A., Pique M. (2019). Developing probabilistic tephra fallout hazard maps for Cotopaxi and Guagua Pichincha volcanoes, Ecuador, with uncertainty quantification. AGU Fall Meeting 2019.

    • Freret-Lorgeril V., Donnadieu F., Eychenne J., Latchimy T. (2018). In situ terminal settling velocity measurements at Stromboli volcano: Input from physical characterization of ash. Cities on Volcanoes 10, Naples, Sept.2-7, 2018.

    • Buckland H.M., Eychenne J., Cashman K.V., Rust A.C. (2017). Relating the physical properties of volcanic rocks to the characteristics of ash generated by experimental abrasion. IAVCEI General Assembly, Portland, USA.
    • Eychenne J. (2017). Dispersion of volcanic ash through the atmosphere and the complex settling behaviour of fine ash - Séminaire. Département des Géosciences et de l’Environnement, Université de Genève, Suisse, 24 novembre 2017.
    • Eychenne J. (2017). Dispersion of volcanic ash through the atmosphere: the critical role of collective particle settling. Department of Earth and Environmental Sciences, University of Geneva, November 24.
    • Eychenne J., Rust A.C., Cashman K.V., Wobrock W. (2017). Distal enhanced sedimentation from volcanic plumes: insights from the secondary mass maxima in the 1992 Mount Spurr fallout deposits. IAVCEI General Assembly, Portland, USA.
    • Freret-Lorgeril V., Donnadieu F., Eychenne J., Latchimy (2017). Physical characterization of ash at Stromboli: Implications on terminal settling velocity measurements. IAVCEI General Assembly, Portland, Oregon.
    • Le Pennec J.L., Robin C., Roche O., Samaniego P., Bani P., Eychenne J., Bernard J. (2017). Processus et aléas et risques volcaniques dans les pays de développement : apports des recherches partenariales de l'IRD au LMV. Revue d'Auvergne vol.262-263, p.225-266.
    • Morin J., Eychenne J. (2017). Workshop international « Transdisciplinary Research on Volcanic Risk », LMV, UCA. Clermont-Ferrand, France, 17-18 janvier 2017.

    • Eychenne J. (2013). Sedimentology of Subplinian tephra fall deposits. French Geological Society (SGF), Paris, December 4.

    • Eychenne J. (2012). Eruptive budgets and origin of andesitic explosive paroxysms during open-system activity: the August 2006 Tungurahua eruption, Ecuador. University of Hawaii, USA, September 21.

    • Eychenne J. (2011). Eruption dynamics inferred from high-resolution grain-size and mass distribution analyses in tephra fall deposits. School of Earth Science, University of Bristol, UK, October 7.