J. Acosta, E. Uchupi, A. Munoz, P. Herranz, C. Palomo et al., Geologic evolution of the Canarian Islands of Lanzarote, 2003.

N. Arnaud, Les processus de demantelement des volcans, le cas d'un volcan bouclier 678 en milieu oceanique : le Piton des Neiges (Ile de La Réunion), p.422, 2005.

P. Bachelery, L. Chevallier, and J. P. Gratier, Structural characteristics of historical 681 eruptions of the Piton de la Fournaise (Reunion Island) Comptes Rendus De l'Academie 682 Des Sciences Serie II 296, pp.1345-1350, 1983.

A. Barcelo, R. Robert, and J. Coudray, A Major Rainfall Event: The 27 February???5 March 1993 Rains on the Southeastern Slope of Piton de la Fournaise Massif (Reunion Island, Southwest Indian Ocean), Monthly Weather Review, vol.125, issue.12, pp.3341-3346, 1993.
DOI : 10.1175/1520-0493(1997)125<3341:AMRETF>2.0.CO;2

A. Bonneville, J. P. Barriot, and R. Bayer, Evidence from geoid data of a hotspot origin for the southern Mascarene Plateau and Mascarene Islands (Indian Ocean), Journal of Geophysical Research, vol.91, issue.B5, pp.4199-4212, 1988.
DOI : 10.1029/JB093iB05p04199

A. Bosman, F. L. Chiocci, and C. Romagnoli, Morpho-structural setting of Stromboli volcano revealed by high-resolution bathymetry and backscatter data of its submarine portions, Bulletin of Volcanology, vol.1989, issue.2, pp.1007-1019, 2009.
DOI : 10.1007/s00445-009-0279-5

A. H. Bouma, Sedimentology of some flysch deposits: a graphic approach to facies 693 interpretation, p.694, 1962.

L. Bret, Y. Fevre, J. L. Join, B. Robineau, and P. Bachelery, Deposits related to degradation processes on Piton des Neiges Volcano (Reunion Island): overview and geological hazard, Journal of Volcanology and Geothermal Research, vol.123, issue.1-2, pp.25-41, 2003.
DOI : 10.1016/S0377-0273(03)00026-X

C. H. Bruhn and R. G. Walker, Internal architecture and sedimentary evolution of coarse-grained, turbidite channel-levee complexes, Early Eocene Regencia Canyon, Espirito Santo Basin, Brazil, Sedimentology, vol.55, issue.1, pp.17-46, 1997.
DOI : 10.1007/BF02431072

M. J. Cartigny, G. Postma, J. Van-den-berg, and D. R. Mastbergen, A comparative study of sediment waves and cyclic steps based on geometries, internal structures and numerical modeling, Marine Geology, vol.280, issue.1-4, pp.40-56, 2011.
DOI : 10.1016/j.margeo.2010.11.006

D. Casalbore, C. Romagnoli, F. Chiocci, and V. Frezza, Morpho-sedimentary 704 characteristics of the volcaniclastic apron around Stromboli volcano (Italy) Marine 705, Geology, vol.269, pp.132-148, 2010.

V. Courtillot, A. Davaille, J. Besse, and J. Stock, Three distinct types of hotspots in the Earth???s mantle, Earth and Planetary Science Letters, vol.205, issue.3-4, pp.295-308, 2003.
DOI : 10.1016/S0012-821X(02)01048-8

H. Perroud, Vertical movements and material transport during hotspot activity: 710 Seismic reflection profiling offshore La Reunion, Journal of Geophysical Research, vol.104, pp.2855-2874, 1999.

C. Deniel, G. Kieffer, and J. Lecointre, New 230Th-238U and 14C age determinations from Piton des Neiges volcano, Reunion ??? A revised chronology for the Differentiated Series, Journal of Volcanology and Geothermal Research, vol.51, issue.3, pp.253-267, 1992.
DOI : 10.1016/0377-0273(92)90126-X

J. Segoufin and J. Cheminee, Submarine evidence for large-scale debris 720 avalanches in the Lesser Antilles Arc, Earth and Planetary Science Letters, vol.192, pp.145-157, 2001.

M. E. Deptuck, D. J. Piper, B. Savoye, and A. Gervais, Dimensions and architecture of 722 late Pleistocene submarine lobes off the northern margin of East Corsica, Sedimentology, vol.723, pp.55-869, 2008.

R. A. Duncan, J. Backman, and L. Peterson, Reunion hotspot activity through tertiary 725 time: initial results from the Ocean Drilling Program, leg 115, Journal of Volcanology 726 and Geothermal Research, vol.4, pp.193-198, 1989.

Y. Fèvre, Mécanismes et vitesses d'érosion à l'échelle géologique sur une île 728 volcanique jeune à relief élevé -La Réunion (Océan Indien), p.217, 2005.

L. S. Gailler, J. F. Lenat, M. Lambert, G. Levieux, N. Villeneuve et al., Gravity structure of Piton de la Fournaise volcano and inferred mass transfer during the 2007 crisis, Journal of Volcanology and Geothermal Research, vol.184, issue.1-2, pp.31-48, 2009.
DOI : 10.1016/j.jvolgeores.2009.01.024

URL : https://hal.archives-ouvertes.fr/hal-00453563

M. Garcia and G. Parker, Experiments on Hydraulic Jumps in Turbidity Currents Near a Canyon-Fan Transition, Science, vol.245, issue.4916, pp.393-396, 1989.
DOI : 10.1126/science.245.4916.393

M. H. Garcia, Hydraulic Jumps in Sediment???Driven Bottom Currents, Journal of Hydraulic Engineering, vol.119, issue.10, pp.1094-1117, 1993.
DOI : 10.1061/(ASCE)0733-9429(1993)119:10(1094)

M. O. Garcia and D. M. Hull, Turbidites from giant Hawaiian landslides: Results from Ocean Drilling Program Site 842, Geology, vol.22, issue.2, pp.159-162, 1994.
DOI : 10.1130/0091-7613(1994)022<0159:TFGHLR>2.3.CO;2

M. Garcin, B. Poisson, and R. Pouget, High rates of geomorphological processes in a 740 tropical area: the Remparts River case study (Reunion Island, 2005.

A. Gervais, B. Savoye, T. Mulder, and E. Gonthier, Sandy modern turbidite lobes: A new insight from high resolution seismic data, Marine and Petroleum Geology, vol.23, issue.4, pp.485-502, 2006.
DOI : 10.1016/j.marpetgeo.2005.10.006

P. Y. Gillot and P. Nativel, K-Ar chronology of the ultimate activity of Piton des Neiges 745 volcano Réunion Island, Indian Ocean, Journal of Volcanology and Geothermal Research, vol.746, issue.13, pp.131-146, 1982.

P. Y. Gillot and P. Nativel, Eruptive history of the Piton de la Fournaise volcano, Reunion Island, Indian Ocean, Journal of Volcanology and Geothermal Research, vol.36, issue.1-3, pp.53-65, 1989.
DOI : 10.1016/0377-0273(89)90005-X

S. Krastel, H. U. Schmincke, and C. L. Jacobs, Formation of submarine canyons on the 750 flanks of the Canary Islands, pp.160-167, 2001.

. St and . Vincent, Impact of flank-collapse events on the morphological 753 evolution of the island, Journal of Volcanology and Geothermal Research, vol.179, pp.1-10

L. Friant, A. Harford, C. Deplus, C. Boudon, G. Sparks et al., Geomorphological evolution of Montserrat (West Indies): importance of flank collapse and erosional processes, Journal of the Geological Society, vol.161, issue.1, pp.147-160, 2004.
DOI : 10.1144/0016-764903-017

L. Friant, A. Lebas, E. Clément, V. Boudon, G. Deplus et al., A new model for the evolution of La Réunion volcanic complex from complete 759 marine geophysical surveys, Geophysical Research Letter, vol.758, issue.10, 1029.

J. F. Lenat, P. Boivin, C. Deniel, P. Y. Gillot, P. Bachelery et al., Age and 761 nature of deposits on the submarine flanks of, 2009.

J. F. Lenat and P. Labazuy, Morphologies et structures sous-marines de La Réunion, p.764, 1990.

P. Llanes, R. Herrera, M. Gómez, A. Muñoz, J. Acosta et al., Geological evolution of the volcanic island La Gomera, Canary Islands, from analysis of its geomorphology, Marine Geology, vol.264, issue.3-4, pp.123-139, 2009.
DOI : 10.1016/j.margeo.2009.05.001

P. Louvat and C. J. Allegre, Present denudation rates on the island of R??union determined by river geochemistry: Basalt weathering and mass budget between chemical and mechanical erosions, Geochimica et Cosmochimica Acta, vol.61, issue.17, pp.3645-3669, 1997.
DOI : 10.1016/S0016-7037(97)00180-4

B. Malengreau, J. F. Lenat, and J. L. Froger, Structure of Reunion Island (Indian Ocean) 771 inferred from the interpretation of gravity anomalies, Journal of Volcanology and 772 Geothermal Research, pp.131-146, 1999.

D. G. Masson, A. B. Watts, M. J. Gee, R. Urgeles, N. C. Mitchell et al., Slope failures on the flanks of the western Canary Islands, Earth-Science Reviews, vol.57, issue.1-2, pp.1-35, 2002.
DOI : 10.1016/S0012-8252(01)00069-1

I. Mcdougall, The geochronology and evolution of the young volcanic, p.777, 1971.

L. Michon and F. Saint-ange, Morphology of Piton de la Fournaise basaltic shield 779 volcano (La Reunion Island): Characterization and implication in the volcano evolution, Journal of Geophysical Research-Solid Earth, vol.780, issue.113, pp.3203-3213, 2008.

S. Migeon, O. Weber, J. Faugères, and J. Saint-paul, SCOPIX: A new X-ray imaging system for core analysis, Geo-Marine Letters, vol.18, issue.3, pp.251-255, 1999.
DOI : 10.1007/s003670050076

N. C. Mitchell, W. B. Dade, and D. G. Masson, Erosion of the submarine flanks of the 784 Canary Islands, Journal of Geophysical Research-Earth Surface, vol.10810, pp.1-785, 1029.

W. J. Morgan, Hot spot tracks and the opening of the Atlantic and Indian Oceans, The 790 Sea, p.791, 1981.

S. A. Morris, N. H. Kenyon, A. F. Limonov, and J. Alexander, Downstream changes of 792 large-scale bedforms in turbidites around th Valencia channel mouth, p.793, 1998.

W. R. Normark and D. J. Piper, Initiation processes and flow evolution of turbidity 795 currents: implications for depositional record, p.796, 1991.

J. Oehler, J. Lénat, and P. Labazuy, Growth and collapse of the Reunion Island volcanoes, Bulletin of Volcanology, vol.119, issue.2, pp.717-742, 2008.
DOI : 10.1007/s00445-007-0163-0

URL : https://hal.archives-ouvertes.fr/hal-00331718

J. F. Oehler, B. V. De-vries, and P. Labazuy, Landslides and spreading of oceanic hot-spot and arc shield volcanoes on Low Strength Layers (LSLs): an analogue modeling approach, Journal of Volcanology and Geothermal Research, vol.144, issue.1-4, pp.169-189, 2005.
DOI : 10.1016/j.jvolgeores.2004.11.023

J. F. Oehler, P. Labazuy, and J. F. Lenat, Recurrence of major flank landslides during the last 2-Ma-history of Reunion Island, Bulletin of Volcanology, vol.63, issue.7, pp.585-598, 2004.
DOI : 10.1007/s00445-004-0341-2

G. Ollier, P. Cochonat, J. F. Lenat, and P. Labazuy, Deep-sea volcaniclastic sedimentary 806 systems: an example from La Fournaise volcano, Reunion Island, Indian Ocean, Sedimentology, vol.807, issue.45, pp.293-330, 1998.

A. Peltier, V. Famin, P. Bachelery, V. Cayol, Y. Fukushima et al., Cyclic 809 magma storages and transfers at Piton de La Fournaise volcano (La Reunion hotspot) 810 inferred from deformation and geochimical data, Earth and Planetary Science Letters, vol.811, issue.270, pp.180-188, 2008.
DOI : 10.1016/j.epsl.2008.02.042

A. Peltier, T. Staudacher, P. Bachelery, and V. Cayol, Formation of the 813 caldera collapse at Piton de La Fournaise volcano: Insights from GPS data, Journal of 814 Volcanology and Geothermal Research, pp.152-163, 2007.

D. J. Piper and W. R. Normark, Sandy Fans -From Amazon to Hueneme and Beyond, AAPG Bulletin, vol.816, issue.85, pp.1407-1438, 2001.

X. Quidelleur, A. Hildenbrand, and A. Samper, Causal link between Quaternary 818 paleoclimatic changes and volcanic islands evolution, Geophysical Research Letters, vol.35, pp.819-02303, 2008.

R. Montagne-massif and . Island, Indian Ocean), supporting two geomagnetic events in 822 the time period, Ma. Geophysical Journal International, vol.2, issue.182, pp.699-710

S. D. Rad, C. J. Allegre, and P. Louvat, Hidden erosion on volcanic islands. Earth and 824 Planetary Science Letters, pp.109-124, 2007.
URL : https://hal.archives-ouvertes.fr/hal-00755698

J. P. Rancon, P. Lerebour, and T. Auge, The Grand Brule Exploration Drilling -New Data 826 on the Deep Framework of the Piton-De-La-Fournaise Volcano .1, Lithostratigraphic 827 Units and Volcanostructural Implications. Journal of Volcanology and Geothermal 828 Research, pp.113-127, 1989.

H. G. Reading and M. Richards, Turbidite Systems in Deep-Water Basin Margins 830 Classified by Grain-Size and Feeder System, AAPG Bulletin, vol.78, pp.792-822, 1994.

P. J. Reimer and R. W. Reimer, A Marine Reservoir Correction Database and On-Line Interface, Radiocarbon, vol.35, issue.2A, pp.461-463, 2001.
DOI : 10.1029/98EO00426

R. Robert, Pluviomètrie à l'île de La Réunion: des travaux de J. Defos du Rau (1960) à 834 nos jours. L'information géographique N°1, pp.53-59, 2001.

C. Romagnoli, P. Kokelaar, D. Casalbore, and F. L. Chiocci, Lateral collapses and active 836 sedimentary processes on the northwestern flank of Stromboli volcano, Italy, pp.101-119, 2009.

D. Rousset, A. Lesquer, A. Bonneville, and J. F. Lenat, Complet gravity study of Piton de 839 la Fournaise volcano, Reunion Island, Journal of Volcanology and Geothermal Research, vol.840, issue.36, pp.37-52, 1989.

F. Saint-ange, La sédimentation volcaniclastique en contexte de point chaud, 2009.

O. Réunion and . Indien, PhD Université de, p.279

J. Dyment, E. Le-drezen, M. Voisset, L. Friant, A. Boudon et al., A volcaniclastic 845 deep-sea fan off La Réunion Island (Indian Ocean): gradualism versus catastrophism, Geology, vol.39, pp.846-271, 2011.

E. Sisavath, F. Saint-ange, N. Babonneau, P. Bachelery, C. Deplus et al., Giant turbidite systems off La Réunion Island -Indian Ocean, Geophysical Research Abstracts, vol.11, pp.849-7105, 2009.

W. H. Smith and D. T. Sandwell, Global Sea Floor Topography from Satellite Altimetry and Ship Depth Soundings, Science, vol.277, issue.5334, pp.1956-1962, 1997.
DOI : 10.1126/science.277.5334.1956

L. Stieltjes and P. Moutou, A statistical and probabilitic study of the historic, p.859, 1988.

L. Piton-de and . Fournaise, Reunion Island, Indian Ocean, Geothermal Research, vol.36, pp.67-86

R. B. Wynn, N. H. Kenyon, D. G. Masson, D. A. Stow, and P. E. Weaver, 862 Characterization and recognition of deep-water channel-lobe transition zones, AAPG 863 Bulletin, vol.86, pp.1441-1462, 2002.

R. B. Wynn, D. G. Masson, D. A. Stow, and P. P. Weaver, Turbidity current sediment waves on the submarine slopes of the western Canary Islands, Marine Geology, vol.163, issue.1-4, pp.185-866, 2000.
DOI : 10.1016/S0025-3227(99)00101-2

R. B. Wynn and D. A. Stow, Classification and characterisation of deep-water sediment waves, Marine Geology, vol.192, issue.1-3, pp.7-22, 2002.
DOI : 10.1016/S0025-3227(02)00547-9

. Fig, 1: Predicted bathymetry from Smith and Sandwell (1997) around La Réunion and 879

M. Plateau, Overview of the main geological structures of La Réunion Island (insert)

. Fig, A) Ship tracks of the three cruises FOREVER (purple line), ERODER1 (blue line) and 885 ERODER2 (green line). B) Backscatter map compiled from ERODER and FOREVER 886 surveys. White lines correspond to the location of the five fans discovered off La Réunion 887 island: the Cilaos fan, the Mafate fan, the Saint-Denis fan the Salazie fan (3) and the 888

S. Fan, Red dots correspond to sediment cores retrieved in the Cilaos turbidite 889 system

. Fig, Acoustic backscatter image (based on the FOREVER and ERODER data) of the 893 southwest part of La Réunion showing details of the Cilaos fan. B) Interpreted shaded relief 894 image of the southwestern flank of La Réunion, compiled from ERODER and FOREVER 895 surveys, showing interpreted subdivisions of the Cilaos fan and the location of Parasound and 896

. Fig, 4: (A) Swath shaded bathymetry and (B) backscatter image of the canyons, p.903

. Fig, Slope gradient map with the location of the studied cores. A lithologic log is illustrated 909 for each core, except KERO-18 where only 30 cm of coarse-grained sands and gravels were 910 collected, p.911