Multimodal method for coseismic landslide hazard assessment

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dc.contributor.author Grant, Alex
dc.contributor.author Wartman, Joseph
dc.contributor.author Abou-Jaoude, Grace
dc.date.accessioned 2018-02-28T11:36:38Z
dc.date.available 2018-02-28T11:36:38Z
dc.date.copyright 2016 en_US
dc.date.issued 2018-02-28
dc.identifier.issn 0013-7952 en_US
dc.identifier.uri http://hdl.handle.net/10725/7162
dc.description.abstract Regional-scale coseismic landslide hazard assessments have traditionally been based on infinite-slope analyses, considering only a single mode of failure. Inventories and landslide reconnaissance work have shown a diverse range of coseismic landslide modes with significantly different consequences of failure. This paper presents a multimodal approach for regional-scale coseismic landslide hazard assessment. Through a two-step procedure, the multimodal method explicitly accounts for four general landslide types commonly observed during earthquakes: rock-slope failures, disrupted soil slides, coherent rotational slides, and lateral spreads. First, the susceptibility to each landslide mode is evaluated based on topography. Second, coseismic landslide hazards are assessed using mode-specific geotechnical models. A trial multimodal landslide assessment is presented for the seismically active country of Lebanon. Results show that the computed coseismic landslide hazard closely matches field-verified slope activity across different regions of the country exhibiting a range of failure modes. These results qualitatively demonstrate the efficacy of the procedure and suggest that multimodal coseismic landslide hazard analysis is especially well-suited for regions with varying terrain and where landslide inventories are not available. en_US
dc.language.iso en en_US
dc.title Multimodal method for coseismic landslide hazard assessment en_US
dc.type Article en_US
dc.description.version Published en_US
dc.author.school SOE en_US
dc.author.idnumber 200702670 en_US
dc.author.department Civil Engineering en_US
dc.description.embargo N/A en_US
dc.relation.journal Engineering Geology en_US
dc.journal.volume 212 en_US
dc.article.pages 146-160 en_US
dc.keywords Landslide en_US
dc.keywords Hazard en_US
dc.keywords Coseismic en_US
dc.keywords Modes of failure en_US
dc.identifier.doi https://doi.org/10.1016/j.enggeo.2016.08.005 en_US
dc.identifier.ctation Grant, A., Wartman, J., & Abou-Jaoude, G. (2016). Multimodal method for coseismic landslide hazard assessment. Engineering Geology, 212, 146-160. en_US
dc.author.email grace.aboujaoude@lau.edu.lb en_US
dc.identifier.tou http://libraries.lau.edu.lb/research/laur/terms-of-use/articles.php en_US
dc.identifier.url https://www.sciencedirect.com/science/article/pii/S0013795216302460 en_US
dc.orcid.id https://orcid.org/0000-0003-1992-1611
dc.author.affiliation Lebanese American University en_US

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