Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/2751
Título: Tsunamigenic earthquakes in the Gulf of Cadiz: fault model and recurrence
Autor: Matias, L. M.
Cunha, T.
Annunziato, A.
Baptista, Maria Ana Carvalho Viana
Carrilho, F.
Palavras-chave: Seismic-hazard assessment
Southwest Iberian margin
Compressional deformation
Plate boundary
Gibraltar arc
SW Iberia
Portugal
Atlantic
Lisbon
Region
Data: 13-Jan-2013
Editora: Copernicus Gesellschaft MBH
Citação: MATIAS, L. M.; CUNHA, T.; ANNUNZIATO, A.; BAPTISTA, M. A.; CARRILHO, F. - Tsunamigenic earthquakes in the Gulf of Cadiz: fault model and recurrence. Natural Hazards and Earth System Sciences. ISSN 1561-8633. Vol. 13, nr 1 (2013), p. 1-13.
Resumo: The Gulf of Cadiz, as part of the Azores-Gibraltar plate boundary, is recognized as a potential source of big earthquakes and tsunamis that may affect the bordering countries, as occurred on 1 November 1755. Preparing for the future, Portugal is establishing a national tsunami warning system in which the threat caused by any large-magnitude earthquake in the area is estimated from a comprehensive database of scenarios. In this paper we summarize the knowledge about the active tectonics in the Gulf of Cadiz and integrate the available seismological information in order to propose the generation model of destructive tsunamis to be applied in tsunami warnings. The fault model derived is then used to estimate the recurrence of large earthquakes using the fault slip rates obtained by Cunha et al. (2012) from thin-sheet neotectonic modelling. Finally we evaluate the consistency of seismicity rates derived from historical and instrumental catalogues with the convergence rates between Eurasia and Nubia given by plate kinematic models.
Peer review: yes
URI: http://hdl.handle.net/10400.21/2751
ISSN: 1561-8633
Aparece nas colecções:ISEL - Eng. Civil - Artigos



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