What are the main factors that trigger the giant-landslides in the Peruvian western Andes? The Aricota giant-landslide case study
Descripción del Articulo
Trabajo presentado en el 8th International Symposium on Andean Geodynamics (ISAG), realizado en Quito-Ecuador, del 24-26 setiembre, 2019. Evento organizado por el Instituto Geofísico, Escuela Politécnica Nacional (IG-EPN) del Ecuador, y el French Institut de Recherche pour le Développement (IRD).
| Autores: | , , , , , , |
|---|---|
| Formato: | objeto de conferencia |
| Fecha de Publicación: | 2019 |
| Institución: | Instituto Geológico, Minero y Metalúrgico |
| Repositorio: | INGEMMET-Institucional |
| Lenguaje: | inglés |
| OAI Identifier: | oai:repositorio.ingemmet.gob.pe:20.500.12544/2596 |
| Enlace del recurso: | https://hdl.handle.net/20.500.12544/2596 |
| Nivel de acceso: | acceso abierto |
| Materia: | Tectónica Deslizamientos |
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| dc.title.es_PE.fl_str_mv |
What are the main factors that trigger the giant-landslides in the Peruvian western Andes? The Aricota giant-landslide case study |
| title |
What are the main factors that trigger the giant-landslides in the Peruvian western Andes? The Aricota giant-landslide case study |
| spellingShingle |
What are the main factors that trigger the giant-landslides in the Peruvian western Andes? The Aricota giant-landslide case study Delgado Madera, Gabino Fabrizio Tectónica Deslizamientos |
| title_short |
What are the main factors that trigger the giant-landslides in the Peruvian western Andes? The Aricota giant-landslide case study |
| title_full |
What are the main factors that trigger the giant-landslides in the Peruvian western Andes? The Aricota giant-landslide case study |
| title_fullStr |
What are the main factors that trigger the giant-landslides in the Peruvian western Andes? The Aricota giant-landslide case study |
| title_full_unstemmed |
What are the main factors that trigger the giant-landslides in the Peruvian western Andes? The Aricota giant-landslide case study |
| title_sort |
What are the main factors that trigger the giant-landslides in the Peruvian western Andes? The Aricota giant-landslide case study |
| author |
Delgado Madera, Gabino Fabrizio |
| author_facet |
Delgado Madera, Gabino Fabrizio Zerathe, Swann Schwartz, Stéphane Benavente Escobar, Carlos Lenin Audin, Laurence Carcaillet, Julien Aster Team |
| author_role |
author |
| author2 |
Zerathe, Swann Schwartz, Stéphane Benavente Escobar, Carlos Lenin Audin, Laurence Carcaillet, Julien Aster Team |
| author2_role |
author author author author author author |
| dc.contributor.author.fl_str_mv |
Delgado Madera, Gabino Fabrizio Zerathe, Swann Schwartz, Stéphane Benavente Escobar, Carlos Lenin Audin, Laurence Carcaillet, Julien Aster Team |
| dc.subject.es_PE.fl_str_mv |
Tectónica Deslizamientos |
| topic |
Tectónica Deslizamientos |
| description |
Trabajo presentado en el 8th International Symposium on Andean Geodynamics (ISAG), realizado en Quito-Ecuador, del 24-26 setiembre, 2019. Evento organizado por el Instituto Geofísico, Escuela Politécnica Nacional (IG-EPN) del Ecuador, y el French Institut de Recherche pour le Développement (IRD). |
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2019 |
| dc.date.accessioned.none.fl_str_mv |
2020-05-18T06:46:05Z |
| dc.date.available.none.fl_str_mv |
2020-05-18T06:46:05Z |
| dc.date.issued.fl_str_mv |
2019-09 |
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info:eu-repo/semantics/conferenceObject |
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conferenceObject |
| dc.identifier.citation.es_PE.fl_str_mv |
Delgado, F.; Zerathe, S.; Schwartz, S.; Benavente, C.; Audin, L.; Carcaillet, J. & Aster Team (2019). What are the main factors that trigger the giant-landslides in the Peruvian western Andes? The Aricota giant-landslide case study [Abstract]. Trabajo presentado en el 8th International Symposium on Andean Geodynamics (ISAG), Quito-Ecuador, 24-26 setiembre, 2019. 1 p. |
| dc.identifier.uri.none.fl_str_mv |
https://hdl.handle.net/20.500.12544/2596 |
| identifier_str_mv |
Delgado, F.; Zerathe, S.; Schwartz, S.; Benavente, C.; Audin, L.; Carcaillet, J. & Aster Team (2019). What are the main factors that trigger the giant-landslides in the Peruvian western Andes? The Aricota giant-landslide case study [Abstract]. Trabajo presentado en el 8th International Symposium on Andean Geodynamics (ISAG), Quito-Ecuador, 24-26 setiembre, 2019. 1 p. |
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https://hdl.handle.net/20.500.12544/2596 |
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eng |
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eng |
| dc.rights.es_PE.fl_str_mv |
info:eu-repo/semantics/openAccess |
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https://creativecommons.org/licenses/by-nc-sa/4.0/deed.es |
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openAccess |
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https://creativecommons.org/licenses/by-nc-sa/4.0/deed.es |
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application/pdf |
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Cordillera Occidental Perú |
| dc.publisher.es_PE.fl_str_mv |
8th International Symposium on Andean Geodynamics (ISAG) |
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EC |
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Instituto Geológico, Minero y Metalúrgico – INGEMMET Repositorio Institucional INGEMMET |
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reponame:INGEMMET-Institucional instname:Instituto Geológico, Minero y Metalúrgico instacron:INGEMMET |
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Delgado Madera, Gabino FabrizioZerathe, SwannSchwartz, StéphaneBenavente Escobar, Carlos LeninAudin, LaurenceCarcaillet, JulienAster TeamCordillera OccidentalPerú2020-05-18T06:46:05Z2020-05-18T06:46:05Z2019-09Delgado, F.; Zerathe, S.; Schwartz, S.; Benavente, C.; Audin, L.; Carcaillet, J. & Aster Team (2019). What are the main factors that trigger the giant-landslides in the Peruvian western Andes? The Aricota giant-landslide case study [Abstract]. Trabajo presentado en el 8th International Symposium on Andean Geodynamics (ISAG), Quito-Ecuador, 24-26 setiembre, 2019. 1 p.https://hdl.handle.net/20.500.12544/2596Trabajo presentado en el 8th International Symposium on Andean Geodynamics (ISAG), realizado en Quito-Ecuador, del 24-26 setiembre, 2019. Evento organizado por el Instituto Geofísico, Escuela Politécnica Nacional (IG-EPN) del Ecuador, y el French Institut de Recherche pour le Développement (IRD).The central part of western Andes concentrates giant paleo-landslides that mobilized large volumes of rock, well preserved due to hyper arid climate of this region (Audin and Bechir, 2006; Pinto et al., 2008; Crosta et al., 2014; Crosta et al., 2015; Crosta et al., 2017; Mather et al., 2014; Zerathe et al., 2017) and bring us the opportunity to study the sequence of ancient events. The main goal of this study is to identifiy the role of climate and tectonics phenomena’s on the triggering of giant-landslides in Peruvian western Andes. We realized a multidisciplinary study on the Aricota landslide by using high-resolution DEM derived from Pléiades satellite image (Lacroix et al, 2016. Zerathe et al, 2016.) and coupled with cosmogenic nuclide methodology, We realize dating on the main body of landslides and main scarps in order to obtain chronological constraints of the gravitational destabilization events. We identified two events: (1) a first event with an estimated volume of ~2 km3 that event generated an impressive dam in the main valley and formed a lake approximately 6 km long upstream; and (2) a second event of rocks avalanche with an estimated volume of ~0.3 km3. 10Be dating (17 samples) suggest ages of 17.9 ± 0.7 ka and 12.1 ± 0.2 ka (weighted mean and 1 sigma uncertainty of the weighted mean) for these two events. Comparing those mean ages with local paleoclimatic reconstructions, we noticed that the failures match well with two important wet events of the Altiplano: Heinrich 1 (14 - 18 ka) and Younger Dryas (11 - 13 ka), which correspond to the formation of the Tauca and Copiasa lakes respectively (Placzek et al., 2013). This suggests that the climate probably played an important role in the triggers of landslides. However, as several neotectonic faults also affect this area (in the 50 km of radius, e.g. Incapuquio fault or Purgatorio fault), we can’t rule out a possible seismic trigger or even an earthquake/climate coupling. On the western flank of the Andes, the Aricota landslide is one of the few dating events. Although there are numerous recognized paleo-landslides. So, other new landslides ages, should also allow us to know more about the origin of these phenomena in this arid region.application/pdfeng8th International Symposium on Andean Geodynamics (ISAG)ECinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/4.0/deed.esInstituto Geológico, Minero y Metalúrgico – INGEMMETRepositorio Institucional INGEMMETreponame:INGEMMET-Institucionalinstname:Instituto Geológico, Minero y Metalúrgicoinstacron:INGEMMETTectónicaDeslizamientosWhat are the main factors that trigger the giant-landslides in the Peruvian western Andes? 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La información contenida en este registro es de entera responsabilidad de la institución que gestiona el repositorio institucional donde esta contenido este documento o set de datos. El CONCYTEC no se hace responsable por los contenidos (publicaciones y/o datos) accesibles a través del Repositorio Nacional Digital de Ciencia, Tecnología e Innovación de Acceso Abierto (ALICIA).
