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ISTeP - UMR 7193
Institut des Sciences de la Terre de Paris

Le Pourhiet Laetitia

Equipe : tectonique


Sorbonne Université - Campus Pierre et Marie Curie, Tour 46 - 00 2ème étage, Bureau 206
Téléphone :
E-mail : laetitia.le_pourhiet @

Thèmes de recherche

Tectonique Géodynamique Simulation numérique


Since 2017


°PhD student, * Post Doc at the time of writing.


  • S. Pajang°, M.M. Khatib, M Heyhat, N.Cubas, E. Bessiere*, J. Letouzey, M. Mokhtari, L. Le Pourhiet, “Underplating vs seamounts signature in an accretionary prism insight from thermomechanical modeling, applied to the coastal Iranian Makran”, Tectonophysics , in press,
  • S. Pajang°, L. Le Pourhiet, N. Cubas. “The topographic signature of temperature controlled rheological transitions in an accretionary prism”, Solid Earth, Solid Earth 13 (3), 535-551, 2022
  • A. Plunder* , L. Le Pourhiet, L. Räss, E. Gloaguen, M. Pichavant and C. Gumiaux. “Pegmatites as geological expression of spontaneous crustal flow localisation”, Lithos 416, 106652, 2022
  • C. Pranger ° , P. Sanan , D.A. May , L. Le Pourhiet , A-A Gabriel “Rate and state friction as a spatially regularized transient viscous flow law”, Journal of Geophysical Research: Solid Earth, e2021JB023511,2022
  • T. Larvet ° , L. Le Pourhiet , P. Agard “Cimmerian block detachment from Gondwana: a slab pull origin ?” Earth and Planetary Science Letters, 596, 117790,2022


  • I.P. Ioannidi°, L. Le Pourhiet, P. Agard, S. Angiboust, and O. Oncken. « Effective rheology of a two-phase subduction shear zone: Insights from numerical simple shear experiments and implications for subduction zone interfaces. » Earth and Planetary Science Letters 566 : 116913, 2021
  • S. Pajang°, N. Cubas, J. Letouzey, L. Le Pourhiet, S. Seyedali, M. Fournier, P. Agard, M. M. Khatib, M. Heyhat, and M. Mokhtari. « Seismic hazard of the western Makran subduction zone: insight from mechanical modelling and inferred frictional properties. » Earth and Planetary Science Letters 562: 116789, 2021
  • L. Jolivet, A. Menant, V. Roche, L. Le Pourhiet, A. Maillard, R. Augier, D. Do Couto, C. Gorini, I. Thinon, and A. Canva. « Transfer zones in Mediterranean back-arc regions and tear faults. » BSGF-Earth Sciences Bulletin 192, no. 1: 11, 2021
  • P. Perron°, L. Le Pourhiet, M. Guiraud, E. Vennin, I. Moretti, E. Portier, and M. Konaté. « Control of inherited accreted lithospheric heterogeneity on the architecture and the low, long-term subsidence rate of intracratonic basins. » BSGF-Earth Sciences Bulletin 192, no. 1: 15, 2021
  • L. Jolivet, L. Arbaret, L. Le Pourhiet, F. Cheval-Garabedian, V. Roche, A. Rabillard, and L. Labrousse. « Interactions of plutons and detachments: a comparison of Aegean and Tyrrhenian granitoids. » Solid Earth 12, no. 6: 1357-1388, 2021


  • A. Jourdon*, F. Mouthereau, L. Le Pourhiet and J.P. Callot,”Topographic and tectonic evolution of mountain belts controlled by salt thickness and rift architecture”. Tectonics, 39(1), 2020
  • T. Duretz, R. de Borst,P. Yamato, and L. Le Pourhiet, 2020. “Toward robust and predictive geodynamic modeling: The way forward in frictional plasticity”. Geophysical Research Letters, 47(5), 2020
  • A. Jourdon*, L. Le Pourhiet, F. Mouthereau, and D. May. « Modes of propagation of continental breakup and associated oblique rift structures. » Journal of Geophysical Research: Solid Earth 125, no. 9: e2020JB019906, 2020


  • A. Jourdon*, L. Le Pourhiet, F. Moutherau, E. Massini, “The role of rift maturity on the architecture and shortening distribution in mountain belts”, EPSL , 2019
  • T. Duretz, R. de Borst and L. Le Pourhiet, “On finite thickness of shear bands in frictional viscoplasticity and implications for lithosphere dynamics ”, Geochemistry, Geophysics, Geosystems, 2019


  • A. Jourdon°, L. Le Pourhiet, C. Petit, and Y. Rolland, “ The deep structure and reactivation of the Kyrgyz Tien Shan: Modelling the past to better constrain the present”. Tectonophysics, 2018.
  • A. Koptev*, E. Burov, T. Gerya, L. Le Pourhiet, S. Leroy, E. Calais and L. Jolivet, “Plume-induced continental rifting and break-up in ultra-slow extension context: Insights from 3D numerical modeling ».Tectonophysics, 746, pp.121-137, 2018.
  • G. Caravaca° A. Brayard, E. Vennin, M. Guiraud, L. Le Pourhiet, A.S. Grosjean, C. Thomazo, N. Olivier, E. Fara, G. Escarguel and K.G. Bylund, “Controlling factors for differential subsidence in the Sonoma Foreland Basin (Early Triassic, western USA)”. Geological Magazine, pp.1-25., 2018.
  • P. Perron°, M. Guiraud, E. Vennin, I. Moretti, E. Portier, L. Le Pourhiet and M. Konaté, “Influence of basement heterogeneity on the architecture of low subsidence rate Paleozoic intracratonic basins (Reggane, Ahnet, Mouydir and Illizi basins, Hoggar Massif)”. Solid Earth, 9(6), pp.1239-1275, 2018.
  • L. Hamai°, C. Petit, L. Le Pourhiet, A. Yelles-Chaouche, J. Déverchère, M.O. Beslier and A. Abtout, “Towards subduction inception along the inverted North African margin of Algeria? Insights from thermo-mechanical models.” Earth and Planetary Science Letters, 501, pp.13-23, 2018
  • A. Jourdon°, L. Le Pourhiet, C. Petit, and Y. Rolland, « Impact of range-parallel sediment transport on mountain building and exhumation in Kyrgyz Tien Shan », Terra Nova, 2018
  • L. Le Pourhiet, N. Chamot-Rooke, M. Delescluse, D. May, L. Watremez, M. Pubellier , “Continental break-up of the South China Sea stalled by far-field compression”, Nature Geosciences, 2018
  • T. Duretz., A. Souche, R. de Borst and L. Le Pourhiet, “The benefits of using a consistent tangent operator for viscoelastoplastic computations in geodynamics”, Geochemistry, Geophysics, Geosystems, 2018.
  • L. Le Pourhiet, D. May, L. Huille, L. Watremez, and S. Leroy, « A genetic link between transform and hyper-extended margins », EPSL, 2017.
  • A. Jourdon°, C. Petit, Y. Rolland, C. Loury, L. Le Pourhiet, S. Guillot, G. Clément, N. Bellahsen, « Upper paleozoic tectonics in the tien shan (central asian orogenic belt): insight from new structural data (kyrgyzstan) », Gondwanna Research, 2017.


  • Tectonics L2 ST
  • Field Class in Normandy L2 ST
  • Geodynamics of sedimentary basins L3 ST
  • Programming projects L3 ST *
  • Interdisciplinary Projects in Modelling  Main 3, EPU
  • Dynamics and mineralogy of deep Earth M1
  • Numerical Modelling M1  SDUEE  *
  • Plasticity ST4 , EPU *
  • Mechanics of Lithosphère M2 GEO-P


  • 2023       Member of scientific committee of 11th  Galileo conference
  • 2022 – 2023    Member CNU section 35
  • 2022 –    Member of INSU Tellus Panel
  • 2022 –    Member of program committee french research network NuTS
  • 2022 –    Member of the Commission of Service of OSU ECCE Terra
  • 2022-     In charge of Seminars at ISTeP together with Nadaya Cubas
  • 2022-2026 Elected member of UMR ISTeP scientific council.
  • 2022-2026 Elected member of undergraduate teaching Department (Licence ST) council.
  • 2021-     SU Representative french-taiwanese IRP Geodynamics of Extreme Event


  • 2023-2027 HORIZON-EUROHPC CoE CHEESE 2 – PI: A. Floch – Pilot Demonstrator 8 : Modelling of seismic rupture coupled to long-term tectonics – Coord. SU
  • 2023-2027 ANR PRC COLLISEA – PI: F. Mouthereau – Task 4: Modeling oblique collision in Taiwan – Coord SU
  • 2022-2026 CSCS grant – Modelling the opening of the South China Sea  – 48 months PhD scholarship
  • 2022-2026 ANR PRCE TRANSFAIR – PI: J. Melleton – Task 2: Cristallisation of rare metal pegmatites and granites – Coord. SU


  • Sept 2019-   Professor in Geodynamics and Tectonics at Sorbonne Université, Institut des Sciences de la Terre Paris, France.

Habilitation thesis 2017: Impact of rheology on lithospheric dynamics. Jury: G. Houseman, S. Schmalholz, R. Buck, S. Buiter, T. Gerya, Ph. Agard and L. Jolivet.

  • Sept 2006-Aug 2019 Associate Professor in Geodynamics and Tectonics at Sorbonne Université, Institut des Sciences de la Terre Paris, France.
  • June 2005-Sept 2006 Postdoctoral fellow at California Institute of Technology, Seismological Laboratory, Mike Gurnis Group, Pasadena, USA.
  • Oct 2004-June 2005 ATER (Teaching assistant) at University P. and M. Curie, Laboratoire de tectonique, Paris, France.

PhD thesis 2004: “Modélisation thermo-mécanique de l’extension continentale : développements théoriques et applications au golfe de Corinthe (Grèce),” Supervisors: Dr I. Moretti (IFP) and Pr E. Burov (UPMC). Jury: P. Bernard, J. Chery, S. Cloetingh, J. Braun.

  • Oct 2001-Oct 2004 PhD scholar at Institut Français de Pétrole, Rueil-Malmaison, France.


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    L'ISTeP comprend 108 membres dont :

    • 12 professeurs
    • 21 maîtres de conférences
    • 2 directeurs de recherche CNRS
    • 2 chargés de recherche CNRS
    • 7 ATER et post-docs
    • 26 doctorants
    • 21 ITA-IATSS
    • 17 collaborateurs bénévoles / émérites