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Title:	Preliminary objective regionalization of the Mediterranean basin derived from surface-wave tomography
Author:	Martínez Santafé, Maria Dolors; Lana Pons, Francisco Javier; Badal, Jose; Canas Torres, José Antonio; Pujades Beneit, Lluís
Other authors:	Universitat Politècnica de Catalunya. Departament de Física; Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental; Universitat Politècnica de Catalunya. GIES - Geofísica i Enginyeria Sísmica
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.
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Sismologia -Earthquakes -Mediterranean basin -Rayleigh waves -Local group velocities -Clustering algorithms -Terratrèmols
Rights:	http://creativecommons.org/licenses/by/3.0/es/
Document type:	Article - Published version Article
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