Articles | Volume 22, issue 12
https://doi.org/10.5194/nhess-22-3973-2022
https://doi.org/10.5194/nhess-22-3973-2022
Research article
 | 
12 Dec 2022
Research article |  | 12 Dec 2022

How volcanic stratigraphy constrains headscarp collapse scenarios: the Samperre cliff case study (Martinique island, Lesser Antilles)

Marc Peruzzetto, Yoann Legendre, Aude Nachbaur, Thomas J. B. Dewez, Yannick Thiery, Clara Levy, and Benoit Vittecoq

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Cited articles

Apuani, T., Corazzato, C., Cancelli, A., and Tibaldi, A.: Stability of a Collapsing Volcano (Stromboli, Italy): Limit Equilibrium Analysis and Numerical Modelling, J. Volcanol. Geoth. Res., 144, 191–210, https://doi.org/10.1016/j.jvolgeores.2004.11.028, 2005. a, b
Aubaud, C., Athanase, J.-E., Clouard, V., Barras, A.-V., and Sedan, O.: A Review of Historical Lahars, Floods, and Landslides in the Precheur River Catchment (Montagne Pelee Volcano, Martinique Island, Lesser Antilles), B. Soc. Geol. Fr., 184, 137–154, https://doi.org/10.2113/gssgfbull.184.1-2.137, 2013. a, b, c, d
Belle, P., Aunay, B., Bernardie, S., Grandjean, G., Ladouche, B., Mazué, R., and Join, J.-L.: The Application of an Innovative Inverse Model for Understanding and Predicting Landslide Movements (Salazie Cirque Landslides, Reunion Island), Landslides, 11, 343–355, https://doi.org/10.1007/s10346-013-0393-5, 2014. a
Blahůt, J., Balek, J., Klimeš, J., Rowberry, M., Kusák, M., and Kalina, J.: A Comprehensive Global Database of Giant Landslides on Volcanic Islands, Landslides, 16, 2045–2052, https://doi.org/10.1007/s10346-019-01275-8, 2019. a
Borselli, L.: SSAP, https://ssap.eu, last access: 5 December 2022. a
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Short summary
Volcanic edifices result from successive construction and dismantling phases. Thus, the geological units forming volcanoes display complex geometries. We show that such geometries can be reconstructed thanks to aerial views, topographic surveys and photogrammetric models. In our case study of the Samperre cliff (Martinique, Lesser Antilles), it allows us to link destabilizations from a rocky cliff to the existence of a filled paleo-valley and estimate a potentially unstable volume.
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