Seismic response of the Güevéjar landslide (S Spain)

Landslides are common ground effects induced by earthquakes. Most of them correspond to first-time instabilities induced by the seismic event, being the reactivation of pre-existing landslides less frequent in practice. The case of Güevéjar (Granada province, S Spain) represents a rare example of la...

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Autores: Lenti, L., Martino, S., Delgado, J., Galiana, J.J., López Casado, C., Garrido, J., Sanz de Galdeano, C., Peláez, J.A., García Tortosa, F.J.
Tipo de recurso: libro
Fecha de publicación:2016
País:España
Institución:Universidad de Jaén
Repositorio:RUJA. Repositorio Institucional de la Producción Científica de la Universidad de Jaén
OAI Identifier:oai:ruja.ujaen.es:10953/6886
Acceso en línea:https://hdl.handle.net/10953/6886
Access Level:acceso abierto
Palabra clave:Landslide
Güevéjar
Landslide reactivation
Geophysical survey
55
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spelling Seismic response of the Güevéjar landslide (S Spain)Lenti, L.Martino, S.Delgado, J.Galiana, J.J.López Casado, C.Garrido, J.Sanz de Galdeano, C.Peláez, J.A.García Tortosa, F.J.LandslideGüevéjarLandslide reactivationGeophysical survey55Landslides are common ground effects induced by earthquakes. Most of them correspond to first-time instabilities induced by the seismic event, being the reactivation of pre-existing landslides less frequent in practice. The case of Güevéjar (Granada province, S Spain) represents a rare example of landslide that was reactivated twice by seismic events occurring in far field: the Mw 8.7, 1755, Lisbon earthquake (with estimated epicentral distance of 680 km), and the Mw 6.5, 1884, Andalucía event (estimated epicentral distance of 45 km). The seismic response of the landslide has been studied through both experimental and numerical methods. Experimental data show that Güevéjar landslide is characterized by a low amplification of ground motion. Numerical stress-strain analyses were performed via finite difference approach and under dynamic configuration by considering several types of seismic inputs; the obtained results show that expected mobility of landslide mass is highly dependent on frequency content of input motion, being computed displacements maxima for events having a high content of low frequencies. This is strictly related to the landslide mass dimensions (i.e. ≅50 m thickness and ≅1 km length) as they control the interaction with the seismic waves propagating within the slope in terms of both local seismic amplification (1D effect) and 2D interactions.The authors would like to thank the European Union ERDF for financial support via the “Monitorización sísmica de deslizamientos. Criterios dereactivación y alerta temprana (GGI3002IDIN)” project of the “Programa Operativo FEDER de Andalucia 2007–2013”.CRC Press202620262016info:eu-repo/semantics/bookapplication/pdfhttps://hdl.handle.net/10953/6886reponame:RUJA. Repositorio Institucional de la Producción Científica de la Universidad de Jaéninstname:Universidad de JaénInglésCC0 1.0 Universalhttp://creativecommons.org/publicdomain/zero/1.0/info:eu-repo/semantics/openAccessoai:ruja.ujaen.es:10953/68862026-06-24T12:41:07Z
dc.title.none.fl_str_mv Seismic response of the Güevéjar landslide (S Spain)
title Seismic response of the Güevéjar landslide (S Spain)
spellingShingle Seismic response of the Güevéjar landslide (S Spain)
Lenti, L.
Landslide
Güevéjar
Landslide reactivation
Geophysical survey
55
title_short Seismic response of the Güevéjar landslide (S Spain)
title_full Seismic response of the Güevéjar landslide (S Spain)
title_fullStr Seismic response of the Güevéjar landslide (S Spain)
title_full_unstemmed Seismic response of the Güevéjar landslide (S Spain)
title_sort Seismic response of the Güevéjar landslide (S Spain)
dc.creator.none.fl_str_mv Lenti, L.
Martino, S.
Delgado, J.
Galiana, J.J.
López Casado, C.
Garrido, J.
Sanz de Galdeano, C.
Peláez, J.A.
García Tortosa, F.J.
author Lenti, L.
author_facet Lenti, L.
Martino, S.
Delgado, J.
Galiana, J.J.
López Casado, C.
Garrido, J.
Sanz de Galdeano, C.
Peláez, J.A.
García Tortosa, F.J.
author_role author
author2 Martino, S.
Delgado, J.
Galiana, J.J.
López Casado, C.
Garrido, J.
Sanz de Galdeano, C.
Peláez, J.A.
García Tortosa, F.J.
author2_role author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Landslide
Güevéjar
Landslide reactivation
Geophysical survey
55
topic Landslide
Güevéjar
Landslide reactivation
Geophysical survey
55
description Landslides are common ground effects induced by earthquakes. Most of them correspond to first-time instabilities induced by the seismic event, being the reactivation of pre-existing landslides less frequent in practice. The case of Güevéjar (Granada province, S Spain) represents a rare example of landslide that was reactivated twice by seismic events occurring in far field: the Mw 8.7, 1755, Lisbon earthquake (with estimated epicentral distance of 680 km), and the Mw 6.5, 1884, Andalucía event (estimated epicentral distance of 45 km). The seismic response of the landslide has been studied through both experimental and numerical methods. Experimental data show that Güevéjar landslide is characterized by a low amplification of ground motion. Numerical stress-strain analyses were performed via finite difference approach and under dynamic configuration by considering several types of seismic inputs; the obtained results show that expected mobility of landslide mass is highly dependent on frequency content of input motion, being computed displacements maxima for events having a high content of low frequencies. This is strictly related to the landslide mass dimensions (i.e. ≅50 m thickness and ≅1 km length) as they control the interaction with the seismic waves propagating within the slope in terms of both local seismic amplification (1D effect) and 2D interactions.
publishDate 2016
dc.date.none.fl_str_mv 2016
2026
2026
dc.type.none.fl_str_mv info:eu-repo/semantics/book
format book
dc.identifier.none.fl_str_mv https://hdl.handle.net/10953/6886
url https://hdl.handle.net/10953/6886
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.rights.none.fl_str_mv CC0 1.0 Universal
http://creativecommons.org/publicdomain/zero/1.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv CC0 1.0 Universal
http://creativecommons.org/publicdomain/zero/1.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv CRC Press
publisher.none.fl_str_mv CRC Press
dc.source.none.fl_str_mv reponame:RUJA. Repositorio Institucional de la Producción Científica de la Universidad de Jaén
instname:Universidad de Jaén
instname_str Universidad de Jaén
reponame_str RUJA. Repositorio Institucional de la Producción Científica de la Universidad de Jaén
collection RUJA. Repositorio Institucional de la Producción Científica de la Universidad de Jaén
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