Preliminary objective regionalization of the Mediterranean basin derived from surface-wave tomography

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dc.contributor	Universitat Politècnica de Catalunya. Departament de Física
dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental
dc.contributor	Universitat Politècnica de Catalunya. GIES - Geofísica i Enginyeria Sísmica
dc.contributor.author	Martínez Santafé, Maria Dolors
dc.contributor.author	Lana Pons, Francisco Javier
dc.contributor.author	Badal, Jose
dc.contributor.author	Canas Torres, José Antonio
dc.contributor.author	Pujades Beneit, Lluís
dc.date	1997-01
dc.identifier.citation	Martinez, M.D., Lana, F.J., Badal, J., Canas, J., Pujades, L. Preliminary objective regionalization of the Mediterranean basin derived from surface-wave tomography. "Annali di geofisica", Gener 1997, vol. XL, núm. 1, p. 43-60.
dc.identifier.citation	0365-2556
dc.identifier.citation	10.4401/ag-3934
dc.identifier.uri	http://hdl.handle.net/2117/83388
dc.language.iso	eng
dc.relation	http://www.annalsofgeophysics.eu/index.php/annals/article/view/3934
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Sismologia
dc.subject	Earthquakes
dc.subject	Mediterranean basin
dc.subject	Rayleigh waves
dc.subject	Local group velocities
dc.subject	Clustering algorithms
dc.subject	Terratrèmols
dc.title	Preliminary objective regionalization of the Mediterranean basin derived from surface-wave tomography
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	An objective regionalization of the Mediterranean basin is derived from a tomographic study based on the fundamental mode of Rayleigh waves. The database is formed by seismic wavetrains recorded at very-broadband stations belonging to MedNet and other cooperative stations, located in the Mediterranean area. The data treatment consists of application of spectral filtering techniques aimed to determine path-averaged group velocities, computation of local group velocity maps for some periods and classification of the studied area in several homogeneous regions according to Principal Component Analysis (PCA) and Average Linkage (AL) algorithms. Finally, the group velocity dispersion curves representing each homogeneous region are compared and possible correlation between these regions and seismotectonic and structural characteristics are discussed.
dc.description.abstract	Peer Reviewed

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