Gueorgui Ratzov

Maître de conférences en Géosciences Marines
38
Documents

Publications

Publications

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A Possible Tsunamigenic Near‐Trench Strike‐Slip Fault, Offshore North Ecuador–South Colombia

Jean-Yves Collot , Gueorgui Ratzov , F Michaud , A Galve , Jean-Noël Proust et al.
Journal of Geophysical Research : Solid Earth, 2025, 130 (12), pp.e2024JB030779. ⟨10.1029/2024jb030779⟩
Article dans une revue (article de synthèse) insu-05440725 v1

Origin and deposition of deepwater homogenites from a sedimentological perspective: Examples from offshore SW Taiwan

Radha Krishna Pillutla , Andrew Tien-Shun Lin , Jen-Chu Yeh , Gueorgui Ratzov , Nathalie Babonneau et al.
Sedimentary Geology, 2025, 480, pp.106854. ⟨10.1016/j.sedgeo.2025.106854⟩
Article dans une revue hal-05242137 v1
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Offshore Record of Explosive Volcanic Eruptions in the Southern Part of the Panamá Basin During the Past 10 Myr: 1. Tephrostratigraphy, Cross‐Correlations and Geochemical Characterization

Mathilde Bablon , Marianne Saillard , François Michaud , François Nauret , Pablo Samaniego et al.
Geochemistry, Geophysics, Geosystems, 2025, 26 (9), ⟨10.1029/2025GC012276⟩
Article dans une revue hal-05270001 v1
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Sedimentary record of submarine gravity‐flow events in the southern Ryukyu forearc during the last 200 000 years: archive of mega‐earthquakes and tsunamis

Nathalie Babonneau , Gueorgui Ratzov , Charlotte Guerin , Mira Richa , Serge Lallemand et al.
Sedimentology, In press, ⟨10.1111/sed.70043⟩
Article dans une revue hal-05241940 v1
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Offshore Record of Explosive Volcanic Eruptions in the Southern Part of the Panamá Basin During the Past 10 Myr: 2. Inferences About the Construction of the Northern Andean Arc and Regional Geodynamics

Mathilde Bablon , Pablo Samaniego , Jean‐luc Le Pennec , François Nauret , François Michaud et al.
Geochemistry, Geophysics, Geosystems, 2025, 26 (9), ⟨10.1029/2025GC012278⟩
Article dans une revue hal-05270003 v1
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Changes in marine sedimentation patterns in the northeastern South China Sea in the past 35,000 years

Kuan-Ting Chen , Shu-Kun Hsu , Andrew Tien-Shun Lin , Chih-Chieh Su , Nathalie Babonneau et al.
Communications Earth & Environment, 2024, 5 (1), pp.420. ⟨10.1038/s43247-024-01593-3⟩
Article dans une revue hal-04669283 v1
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Late Pleistocene charcoal-rich sediments in the Puerto Rico Trench, possible remnants of gigantic wildfires in North-Eastern South America

Chloé Seibert , Christian Beck , Nathalie Feuillet , Eva Moreno , Denise Pons et al.
Palaeogeography, Palaeoclimatology, Palaeoecology, 2024, 655, pp.112497. ⟨10.1016/j.palaeo.2024.112497⟩
Article dans une revue hal-04756190 v1
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Sedimentary Records in the Lesser Antilles Fore‐Arc Basins Provide Evidence of Large Late Quaternary Megathrust Earthquakes

Chloé Seibert , Nathalie Feuillet , Gueorgui Ratzov , Christian Beck , P. Morena et al.
Geochemistry, Geophysics, Geosystems, 2024, 25 (2), ⟨10.1029/2023GC011152⟩
Article dans une revue hal-04436131 v1
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Structural evolution of the southern Ecuadorian forearc in the Santa Elena Peninsula region

Cédric Bulois , Marianne Saillard , Nicolas Espurt , Pedro Reyes Benítez , François Michaud et al.
Journal of South American Earth Sciences, 2023, 130, pp.104503. ⟨10.1016/j.jsames.2023.104503⟩
Article dans une revue hal-04233625 v1
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Fast-eroding Taiwan and transfer of orogenic sediment to forearc basins and trenches in the Philippine and South China seas

Eduardo Garzanti , Kalyani Nayak , Marta Padoan , Giovanni Vezzoli , Alberto Resentini et al.
Earth-Science Reviews, 2023, 244, pp.104523. ⟨10.1016/j.earscirev.2023.104523⟩
Article dans une revue hal-05268965 v1
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Changes in Kuroshio Current dynamics and East Asian monsoon variability during the last 26 kyr

Pierrick Fenies , Maria-Angela Bassetti , Natalia Vazquez Riveiros , Christophe Menniti , Clément Frigola et al.
Palaeogeography, Palaeoclimatology, Palaeoecology, 2023, 632, 111836 (16p.). ⟨10.1016/j.palaeo.2023.111836⟩
Article dans une revue hal-04498620 v1
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An innovative isotopic method to identify the volcanic source of distal tephra

Mathilde Bablon , François Nauret , Marianne Saillard , Pablo Samaniego , Ivan Vlastélic et al.
Earth and Planetary Science Letters, 2023, 619, pp.118283. ⟨10.1016/j.epsl.2023.118283⟩
Article dans une revue hal-04171645 v1
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Two types of slab components under Ecuadorian volcanoes supported by primitive olivine-hosted melt inclusion study

Diego Narvaez , Pablo Samaniego , Kenneth T. Koga , Estelle F. Rose-Koga , S. Hidalgo et al.
Lithos, 2023, 442-443, pp.107049. ⟨10.1016/j.lithos.2023.107049⟩
Article dans une revue insu-04197043 v1

Planktic-benthic foraminifera ratio (%P) as a tool for the reconstruction of paleobathymetry and geohazard: A case study from Taiwan

Raúl Tapia , Sicheng Le , Sze Ling Ho , Maria-Angela Bassetti , In-Tian Lin et al.
Marine Geology, 2022, 453, pp.106922. ⟨10.1016/j.margeo.2022.106922⟩
Article dans une revue hal-05001128 v1
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From long‐ to short‐term inter‐plate coupling at the subducted Carnegie Ridge crest, offshore Central Ecuador

J‐Y Collot , J‐n. Proust , J‐m Nocquet , C. Martillo , F. Michaud et al.
Journal of Geophysical Research : Solid Earth, 2022, 127 (8), pp.e2022JB024192. ⟨10.1029/2022JB024192⟩
Article dans une revue hal-03750721 v2
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Holocene marine tephra offshore Ecuador and Southern Colombia: First trench‐to‐arc correlations and implication for magnitude of major eruptions

Mathilde Bablon , Gueorgui Ratzov , François Nauret , Pablo Samaniego , François Michaud et al.
Geochemistry, Geophysics, Geosystems, 2022, 23 (9), pp.e2022GC010466. ⟨10.1029/2022GC010466⟩
Article dans une revue insu-03776996 v1
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Coexistence of Adjacent Siliciclastic, Carbonate, and Mixed Sedimentary Systems: An Example From Seafloor Morphology in the Northern Lesser Antilles Forearc

Pierre Morena , Gueorgui Ratzov , Antonio Cattaneo , Frauke Klingelhoefer , Christian Beck et al.
Frontiers in Earth Science, 2022, 10, pp.834029. ⟨10.3389/feart.2022.834029⟩
Article dans une revue hal-03722078 v1
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Shallow gas hydrates off southwest Taiwan and their mechanisms

Yin-Sheng Huang , Shu-Kun Hsu , Chih-Chieh Su , Andrew Tien-Shun Lin , Pai-Sen Yu et al.
Marine Geophysical Research, 2021, 42 (1), pp.7. ⟨10.1007/s11001-021-09429-x⟩
Article dans une revue hal-03258221 v1
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New perspectives in studying active faults in metropolitan France: the “Active faults France” (FACT/ATS) research axis from the Resif-Epos consortium

Jean-François Ritz , Stéphane Baize , Laurence Audin , Christine Authemayou , Fabien Graveleau et al.
Comptes Rendus. Géoscience, 2021, 353 (S1), pp.381-412. ⟨10.5802/crgeos.98⟩
Article dans une revue hal-03546364 v1
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Clay-mineral distribution in recent deep-sea sediments around Taiwan: Implications for sediment dispersal processes

Kalyani Nayak , Andrew Tien-Shun Lin , Kuo-Fang Huang , Zhifei Liu , Nathalie Babonneau et al.
Tectonophysics, 2021, 814, pp.228974. ⟨10.1016/j.tecto.2021.228974⟩
Article dans une revue hal-03578555 v1
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Seafloor morphology and sediment transfer in the mixed carbonate-siliciclastic environment of the Lesser Antilles forearc along Barbuda to St. Lucia

C. Seibert , N. Feuillet , G. Ratzov , C. Beck , Antonio Cattaneo
Marine Geology, 2020, 428, pp.106242. ⟨10.1016/j.margeo.2020.106242⟩
Article dans une revue insu-03094044 v1
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The Esmeraldas Canyon: A Helpful Marker of the Pliocene‐Pleistocene Tectonic Deformation of the North Ecuador‐Southwest Colombia Convergent Margin

J.‐y. Collot , G. Ratzov , P. Silva , Jean-Noël Proust , S. Migeon et al.
Tectonics, 2019, 38 (8), pp.3140-3166. ⟨10.1029/2019TC005501⟩
Article dans une revue hal-02326448 v1
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A honeycomb seafloor morphology in carbonate sediment of the Carnegie Ridge (offshore Ecuador): Formation and potential geodynamic significance

F. Michaud , J.Y. Collot , G. Ratzov , Jean-Noël Proust , A. Dano et al.
Geology, 2018, 46 (11), pp.979-982. ⟨10.1130/G45285.1⟩
Article dans une revue hal-01946123 v1

Earthquake-triggered deposits in the subduction trench of the north Ecuador/south Colombia margin and their implication for paleoseismology

S. Migeon , C. Garibaldi , G. Ratzov , S. Schmidt , J.-Y. Collot et al.
Marine Geology, 2017, 384, pp.47 - 62. ⟨10.1016/j.margeo.2016.09.008⟩
Article dans une revue hal-01737588 v1
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Turbidite chronostratigraphy off Algiers, central Algerian margin: A key for reconstructing Holocene paleo-earthquake cycles

Nathalie Babonneau , Antonio Cattaneo , Gueorgui Ratzov , Jacques Déverchère , Abdelkarim Yelles-Chaouche et al.
Marine Geology, 2017, 384, pp.63 - 80. ⟨10.1016/j.margeo.2016.10.017⟩
Article dans une revue hal-01734516 v1

An attempt to reconstruct 2700 years of seismicity using deep-sea turbidites offshore eastern Taiwan

Remi Lehu , Serge Lallemand , Gueorgui Ratzov , Nathalie Babonneau , Shu-Kun Hsu et al.
Tectonophysics, 2016, 692, pp.309-324. ⟨10.1016/j.tecto.2016.04.030⟩
Article dans une revue hal-01467627 v1

Historical Reconstruction of Submarine Earthquakes Using Pb-210, Cs-137, and Am-241 Turbidite Chronology and Radiocarbon Reservoir Age Estimation off East Taiwan

Laurent Dezileau , R. Lehu , Serge Lallemand , S-K Hsu , Nathalie Babonneau et al.
Radiocarbon, 2016, 58 (1), pp.25-36. ⟨10.1017/RDC.2015.3⟩
Article dans une revue hal-01306986 v1

A similar to 3000 years-old sequence of extreme events revealed by marine and shore deposits east of Taiwan

Serge Lallemand , Remi Lehu , Fabien Retif , Shu-Kun Hsu , Nathalie Babonneau et al.
Tectonophysics, 2016, 692, pp.325-341. ⟨10.1016/j.tecto.2015.11.001⟩
Article dans une revue istex hal-01467640 v1

An offshore-onland transect across the north-eastern Black Sea basin (Crimean margin): Evidence of Paleocene to Pliocene two-stage compression

Yevgeniya Sheremet , Marc Sosson , Gueorgui Ratzov , Grigoriy Sydorenko , Zinoviy Voitsitskiy et al.
Tectonophysics, 2016, 688, pp.84 - 100. ⟨10.1016/j.tecto.2016.09.015⟩
Article dans une revue hal-01744705 v1

Quaternary sedimentation and active faulting along the Ecuadorian shelf: preliminary results of the ATACAMES Cruise (2012)

F. Michaud , Jean-Noël Proust , Jean-Yves Collot , Jean-Frederic Lebrun , C. Witt et al.
Marine Geophysical Research, 2015, 36 (1), pp.81-98. ⟨10.1007/s11001-014-9231-y⟩
Article dans une revue insu-01131151 v1
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Holocene turbidites record earthquake supercycles at a slow-rate plate boundary

Gueorgui Ratzov , A. Cattaneo , Nathalie Babonneau , Jacques Déverchère , K. Yelles et al.
Geology, 2015, 43 (4), pp.331-334. ⟨10.1130/G36170.1⟩
Article dans une revue insu-01133376 v1

Deep-sea sedimentation offshore eastern Taiwan: Facies and processes characterization

Remi Lehu , Serge Lallemand , Shu-Kun Hsu , Nathalie Babonneau , Gueorgui Ratzov et al.
Marine Geology, 2015, 369, pp.1-18. ⟨10.1016/j.margeo.2015.05.013⟩
Article dans une revue istex hal-01277768 v1

Late Quaternary geomorphologic evolution of submarine canyons as a marker of active deformation on convergent margins: The example of the South Colombian margin,

Gueorgui Ratzov , M. Sosson , J.-Y. Collot , S. Migeon
Marine Geology, 2012, 315-318, pp.77-97. ⟨10.1016/j.margeo.2012.05.005⟩
Article dans une revue istex hal-00815438 v1
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Searching for the seafloor signature of the 21 May 2003 Boumerdès earthquake offshore central Algeria

Antonio Cattaneo , Nathalie Babonneau , Gueorgui Ratzov , G. Dan-Unterseh , Karim Yelles et al.
Natural Hazards and Earth System Sciences, 2012, 12, pp.2159-2172. ⟨10.5194/nhess-12-2159-2012⟩
Article dans une revue insu-00769974 v1
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The tsunami signature on a submerged promontory: the case study of the Atacames Promontory, Ecuador

M. Ioualalen , Gueorgui Ratzov , J.-Y. Collot , E. Sanclemente
Geophysical Journal International, 2011, 184 (2), pp.680-688. ⟨10.1111/j.1365-246X.2010.04878.x⟩
Article dans une revue hal-00585747 v1

Active Deformation along the Southern End of the Tosco Abreojos Fault System: New Insights from Multibeam Swath Bathymetry, in Geodynamics of the Mexican Pacific Margin

F. Michaud , T. Calmus , Gueorgui Ratzov , Jean-Yves Royer , M. Sosson et al.
Pure and Applied Geophysics, 2011, 168 (8-9), pp.1363-1372. ⟨10.1007/s00024-010-0193-y⟩
Article dans une revue istex hal-00498287 v1

Mass-transport deposits in the northern Ecuador subduction trench: Result of frontal erosion over multiple seismic cycles

Gueorgui Ratzov , J.-Y. Collot , M. Sosson , S. Migeon
Earth and Planetary Science Letters, 2010, 296 (1-2), pp.89-102. ⟨10.1016/j.epsl.2010.04.048⟩
Article dans une revue istex hal-00498289 v1

Miocene to Messinian deformation and hydrothermal activity in a pre-alpine basement massif of the French Western Alps: New U-Th-Pb and Argon ages from the Lauzière massif

Dominique Gasquet , Jean-Michel Bertrand , Jean-Louis Paquette , Jérémie Lehmann , Gueorgui Ratzov et al.
Bulletin de la Société Géologique de France, 2010, 181 (3), pp.227-241. ⟨10.2113/gssgfbull.181.3.227⟩
Article dans une revue halsde-00467414 v1