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

Leroy Sylvie

Equipe : Dynamique et évolution des Marges et des Orogènes

Directrice de recherches

Responsable Équipe Terre-Mer Structures et Archives
Sorbonne Université - Campus Pierre et Marie Curie, Tour 46 - 00 2ème étage, Bureau 212
Téléphone : 0144273408
E-mail : sylvie.leroy @
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Thèmes de recherche



[111] Roche V., Ringenbach J-C, Sapin F., Leroy S. 2023. South and East African Transform Margins: 180 Ma of Gondwana life from rift to drift. GSL Spec. Pub. 524,

[110] Thinon I., Lemoine A., Leroy S., et al – Volcanism and tectonics unveiled in the Comoros Archipelago between Africa and Madagascar. CR Geosciences.

[109] Masquelet C., Leroy S., Delescluse M., et al. East-Mayotte new volcano in the Comoros archipelago: structure and timing of magmatic phases inferred from seismic reflection data. CR Geosciences

[108] Rolandone F., Poort J., Masquelet C., Leroy S., Thinon I., Lemoine A. 2022. Heat flow estimates in the Northern Mozambique Channel- CR Geosciences,


[107] Korostelev F. Lu Y., Magrini F., Boschi L., Leroy S., Vétel W. 2022. Images of the East African Rift System by Global Adaptive-Resolution Surface-Wave Tomography. JGR Solid Earth, 127, e2021JB023570. 10.1029/2021JB023570

[106] Ahmed A., Doubre C., Leroy S., Keir D., Pagli C., Hammond JOS, Ayele A., Bes de Berc, M., Grunberg, M., Vergne J., Pestourie R., Mamo D., Kibret B., Cubas N., Lavayssière A., Janowski M., Lengliné O., La Rosa A. Chambers E.L., Illsley-Kemp F. 2022. Across and along-strike crustal structure variations of the western Afar margin and adjacent plateau: Insights from receiver functions analysis. Journal of African Earth Sciences, 192, 10.1016/j.jafrearsci.2022.104570

[105] Viltres, R., Jönsson S., Alothman A., Liu S., Leroy S., Masson F., Doubre C., Reillinger R. (2021) Present-day motion of the Arabian plate. Tectonics. 41, e2021TC007013. 1029/2021TC007013

[104] Roche V., Leroy S., Revillon, S., Guillocheau, F., Ruffet, G. , Vétel, W. (2022). Gondwana break-up controlled by tectonic inheritance and mantle plume activity: insights from Natal rift development (South Mozambique, Africa) – Terra Nova. 10.1111/ter.12590


[103] Watremez, L., Leroy, S., E. d’Acremont, V. Roche, M. Evain, A. Leprêtre, F. Verrier, D. Aslanian, N. Dias, A. Afilhado, P. Schnurle, R. Castilla, F. Despinois, and M. Moulin. (2021). The Limpopo magmatic transform margin (South Mozambique) – Part 1: Insights from deep-structure seismic imaging. Tectonics, 40, e2021TC006915, 10.1029/2021TC006915

[102] Roche V., Leroy S. et al. (2021). The Limpopo magma-rich transform margin (South Mozambique) – Part 2: Implications for Gondwana breakup. Tectonics, 40, e2021TC006914, 10.1029/2021TC006914.

[101] Corbalan A., Nedimovic M.R, Louden K.E., Cannat M., Grevemeyer I., Watremez L., Leroy S. (2021) Seismic Velocity Structure Along and Across the Ultraslow Spreading Southwest Indian Ridge at 64°30’E Showcases Flipping Detachment Faults, JGR, 10.1029/2021JB022177.

[100] Oliviera de Sa A., d’Acremont E., Leroy S., Lafuerza S. (2021). Polyphase deformation and strain migration on the Septentrional-Oriente Fault Zone in the Windward Passage, Northern Caribbean Plate boundary. Tectonics.

[99] Mohamadian Sarvandani M., Kästle E., Boschi L., Leroy S. and Cannat M. (2021). Seismic ambient-noise imaging of a quasi-amagmatic ultra-slow spreading ridge. Remote Sens. 13, 2811. 10.3390/rs13142811

[98] Gillard M., Leroy S., Cannat M., Sloan H. (2021). Margin-to-margin oceanic spreading in the eastern Gulf of Aden: a 17 Ma-long history of deformation and magmatism from seismic reflection, gravity and magnetic data. Frontiers in Earth Science, ront. Earth Sci. doi: 10.3389/feart.2021.707721

[97] La Rosa A., Pagli C., Keir, D., Wang H., Doubre C., Leroy S., Sani F., Corti G., Ayele A. 2021 – Plate-boundary kinematics of the Afrera linkage zone (Afar) from InSAR and seismicity. JGR Solid Earth. 126, e2020JB021387. https://doi. org/10.1029/2020JB021387

[96] La Rosa A., Keir D., Doubre C., Sani F., Corti G., LeroyS., Ayele A., and Pagli C. (2021) Lower crustal earthquakes in the March 2018 sequence along the Western Margin of Afar – Gcubed. 22, e2020GC009614.

[95] Leprêtre A., Schnürle P., Evain M., Verrier F., Moorcroft, D., de Clarens P., Corela C., Afilhado A., Loureiro A., Leroy S., d’Acremont E., Thompson J., Aslanian D., and Moulin M. (2021) Deep structure of the North Natal Valley (Mozambique) using combined wide-angle and reflection seismic data. J. Geophys. Res. Solid Earth, 126,


[94] A. Poupardin, E. Calais, P. Heinrich, H. Hébert, M. Rodriguez, S. Leroy, H. Aochi, and R. Douilly, 2020. Deep Submarine Landslide Contribution to the 2010 Haiti Earthquake Tsunami.  Nat. Hazards and Earth Syst. Sci., 10.5194/nhess-2019-388.

[93] D. Possee, Derek Keir, Nicholas Harmon, Catherine Rychert, Caroline Eakin, Frédérique Rolandone, Sylvie Leroy, Jordane Corbeau, Graham Stuart, Dominique Boisson, Roberte Momplaisir, Claude Prépetit, 2020.   Spatial variations in Crustal and Mantle Anisotropy Across the North American Caribbean Plate Boundary on Haiti. JGR, Solid Earth, 125, e2019JB018438, 10.1029/2019JB018438.

[92] Elia d’Acremont, Manfred Lafosse, Alain Rabaute, Gabriel Teurquety, Damien Do Couto, Gemma Ercilla, Carmen Juan, Bernard Mercier de Lepinay, Sara Lafuerza, Jesus Galindo-Zaldivar, Ferran Estrada, Juan-Tomas Vazquez, Sylvie Leroy, Jeffrey Poort, Abdellah Ammar, Christian Gorini. 2020. Polyphase tectonic evolution of fore-arc basin related to STEP fault as revealed by the Alboran Sea (W-Mediterranean) – Tectonics. 10.1029/2019TC005885

[91] Rolandone F., Lucazeau F., Poort J., Leroy S., 2020 – Heat flow estimates in offshore Haiti in the Caribbean Plate.  Terra Nova, 32, 179-186. 10.1111/ter.12454

[90] Rodriguez-Zurrunero A., Granja-Bruña, J.L., Muñoz-Martin, A., Leroy, S., ten Brink U., Gorosabel-Araus, J.M., Gomez de la Peña, L., Druet, M., Carbo-Gorosabel, A. 2020.  Along-strike segmentation in the northern Caribbean plate boundary zone (Hispaniola sector): tectonic implications – Tectonophysics. 10.1016/j.tecto.2020.228322

[89] Khanbari K., Leroy S., Adris A. Moheb-Al-Deen, Al-Sarari W. 2020. Study of Fractures Network in the Basement of Socotra Island—Yemen by Using Remote Sensing and GIS Techniques. in Space Fostering African Societies. Developing the African Continent through Space, Part 1. Ed. A. Froehlich. Springer. 207-218.

[88] Momoh, E., Cannat, M., Leroy, S., 2020. Internal structure of the oceanic lithosphere at a melt-starved ultra-slow-spreading mid-ocean ridge: insights from 2-D seismic data. Gcubed. 21, e2019GC008540. 10.1029/2019GC008540

[87] Moulin, M., Aslanian, D., Evain, M., Leprêtre, A., Schnurle, P., Verrier, F. Thompson, J., De Clarens, P., Leroy, S., Dias, N. and PAMELA-MOZ35 Team. 2020. Terra Nova. 32, 205-214.  doi:10.1111/TER.12448


[86] Corbeau J.,  Gonzalez O.L , Clouard V., Rolandone F., Leroy S., et al. 2019. Is the local seismicity in western Hispaniola (Haiti) capable of imaging the northern Caribbean subduction? – Geosphere. v15. 1738-1750.

[85] Cannat M., Sauter D., Lavier L., Bickert M., Momoh E., Leroy S., 2019. On spreading modes and magma supply at slow and ultra-slow mid-ocean ridges. Earth Planet. Sci. Lett. 519, 213-223.

[84] Koptev A., Beniest A., Gerya T., Ehlers T.A., Jolivet L., Leroy, S. 2019. Plume-induced break-up of a subducting plate: Microcontinent formation without cessation of the subduction process, GRL, 46. 10.1029/2018GL081295.

[83] Possee D., Derek Keir, Nick Harmon, Catherine Rychert, Frédérique Rolandone, Sylvie Leroy, Graham Stuart, Eric Calais, Finnigan Illsley-Kemp, Dominique Boisson, Roberte Momplaisir, Claude Prépetit, 2019. The tectonics and active faulting of Haiti from seismicity and local tomography – Tectonics. 38, 1138-1155. 10.1029/2018TC005364.

[82] Nonn C., Leroy S., Castilla, R., Lescanne M. 2019. Central Gulf of Aden conjugate margins (Yemen-Somalia): tectono-stratigraphic and magmatic evolution of hybrid-type margins. Marine & Petroleum Geology. 105. 100-123. 10.1016/j.marpetgeo.2018.11.053

[81] Wessels, R., Ellouz-Zimmermann N., Bellahsen N., Hamon Y., Rosenberg C., Deschamps R., Momplaisir R., Boisson D., Leroy S., 2019. Polyphase tectonic history of the Southern Peninsula, Haiti: From folding-and-thrusting to transpressive strike-slip. Tectonophysics. 751, 125-149.

[80] Senkans, A., Leroy S., d’Acremont E., Castilla, A., Despinois F. 2019.  Polyphase Rifting and Break-up of the Central Mozambique Margin, Marine Petroleum Geology. 100, 212-433.


[79] Jolivet L, Menant A., Clerc C., Sternai P., Bellahsen N., Leroy S., Stab M., Pik R., Faccenna C., Gorini C., 2018. Extensional crustal tectonics and crust-mantle coupling, a view from the geological record. Earth Science Review, 185, 1187-1209. 10.1016/j.earscirev.2018.09.010

[78] Koptev, A.,T. Gerya, E. Calais, S. Leroy, and E. Burov. 2018. Afar triple junction triggered by plume-assisted bi-directional continental break-up, Nature Scientific reports, 8, 14742, 10.1038/s41598-018-33117-3

[77] Laveyssière A., Catherine Rychert, Nicholas Harmon, Derek Keir, James Hammond, Michael Kendall, Cécile Doubre, Sylvie Leroy. 2018. Imaging lithospheric discontinuities beneath the northern east African rift using S-to-P receiver functions. Gcubed, 19 (10), 4048-4062. 10.1029/2018GC007463.

[76] Koptev, A., E. Calais, E. Burov, S. Leroy, T. Gerya, 2018. Along-axis Variations of Rift Width in a Coupled Lithosphere-Mantle. System, Application to East Africa, GRL, 45, 5362–5370. doi:10.1029/2018GL077276.

[75] Koptev, A., Burov, E., Gerya, T., Le Pourhiet, L. Leroy, S. Calais, E., Jolivet, L. 2018.  Plume-induced continental rifting and break-up in ultra-slow extension context: Insights from 3D numerical modeling. Tectonophysics – Special issue for E. Burov. 746, pp.121-137.

[74] Koptev, A., S. Cloetingh, T. Gerya, E. Calais, and S. Leroy, 2018. Non-uniform splitting of a single mantle plume by double cratonic roots: Insight into the origin of the central and southern East African Rift System – Terra Nova.30 (2), 125-134. 10.1111/ter.12317.

[73] Sauter, D., Tugend J., Gillard, M., Nirrengarten M., Autin, J., Manatschal G., Cannat M., Leroy S., Schaming M. 2018. Oceanic basement roughness alongside magma-poor rifted margins: insight into initial seafloor spreading. GJI. 212. 900-915. 10.1093/gji/ggx439


Master 2 – Géodynamique des Marges Continentales

Eléments de Géologie – Dunod



Directrice ISTeP (2016-2021)

Membre CS OCA (2018-2022)

Responsable de collection ISTE-Sciences, 10 ouvrages

Editrice associé Tectonics

Co-éditrice Numéro Spécial Continents & Océans (CR Geosciences)


ANR Coyotes – co PI – 2019-2024

ANR Ridge Factory Slow – co PI – 2018-2023

Mer Rouge – PI – 2017-2022

ALBANEO – 2023-2027 – participant


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    L'ISTeP comprend 111 membres dont :

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