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Volcanic mega-landslides in Tenerife (Canary Islands, Spain)

dc.conference.date14-15 July 2007
dc.conference.placePonta Delgada (Azores) , Portugal
dc.conference.titleVolcanic Rocks - Proceedings of the International Workshop on Volcanic Rocks, Workshop W2 - 11th Congress ISRM
dc.contributor.authorFerrer Gijón, Mercedes
dc.contributor.authorSeisdedos Santos, Julia
dc.contributor.authorGarcia López-Davadillo, Juan Carlos
dc.contributor.authorGonzález De Vallejo González, Luis Ignacio
dc.contributor.authorCoello Bravo, Juan Jesús
dc.contributor.authorCasillas, Ramón
dc.contributor.authorMartín Luis, C.
dc.contributor.authorNavarro, J.M.
dc.date.accessioned2024-05-23T18:32:30Z
dc.date.available2024-05-23T18:32:30Z
dc.date.issued2007
dc.description.abstractIn the last two decades it has been demonstrated the occurrence of large landslides in volcanic buildings, as well as the influence of these processes in the evolution of volcanic islands. More than 20 paleolandslides have been described in the Canary Islands. Güímar and La Orotava valleys, in Tenerife island, originated by megalandslides some hundreds of thousands years ago, are two exceptional examples because of their geomorphological features and the identification of the subaquatic landslided deposits in the ocean floor and in the interior of the underground galleries excavated in the island. In spite of their importance and the acceptance of the occurrence of these instability processes by the scientific community, only few investigations have been carried out to analyse and to explain these processes under the geomechanical point of view. The authors are developing a research project, supported by the Geological Survey of Spain and the Commission for Science and Technology of Spain, being the main objective to explain why and how these megalandslides took place, which were the mechanisms, the influencing and triggering factors and their role. Detailed studies on characterization of volcanic rock materials involved in the landslides, geological evolution, morphological reconstruction, geophysical data interpretation, laboratory tests, age determinations, etc. have been or are currently being carried out in order to prepare the geological, hydrogeological and geomechanical models for the analysis and evaluation of the influence of the different factors affecting the stability and mechanical behaviour, to verify the current hypothesis on La Orotava and Güímar large valleys generation and to explain the mechanisms of the megalandslides in volcanic buildings slopes.
dc.description.departmentDepto. de Geodinámica, Estratigrafía y Paleontología
dc.description.facultyFac. de Ciencias Geológicas
dc.description.refereedTRUE
dc.description.sponsorshipComisión Interministerial de Ciencia y Tecnología
dc.description.sponsorshipInstituto Geológico y Minero de España
dc.description.statuspub
dc.identifier.isbn978-041545140-6
dc.identifier.urihttps://hdl.handle.net/20.500.14352/104391
dc.language.isoeng
dc.page.final191
dc.page.initial185
dc.relation.projectIDCICYT-IGME (GRANDETEN)
dc.rights.accessRightsrestricted access
dc.subject.cdu56:551.243.4:551.21(460.411)
dc.subject.ucmGeodinámica
dc.subject.unesco2507.07 Tectónica
dc.titleVolcanic mega-landslides in Tenerife (Canary Islands, Spain)
dc.typeconference paper
dc.type.hasVersionVoR
dspace.entity.typePublication
relation.isAuthorOfPublication59ba1d77-a7f5-4d94-b70c-503c12be5f06
relation.isAuthorOfPublication.latestForDiscovery59ba1d77-a7f5-4d94-b70c-503c12be5f06

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