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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/1516

Authors: Martínez, M. D.*
Lana, X.*
Badal, J.*
Canas, J. A.*
Pujades, L.*
Title: Preliminary objective regionalization of the Mediterranean basin derived from surface-wave tomography
Issue Date: Jan-1997
Series/Report no.: 40/1
URI: http://hdl.handle.net/2122/1516
Keywords: Mediterranean basin
Rayleigh waves
local group velocities
clustering algorithms
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.
Appears in Collections:04.06.07. Tomography and anisotropy
04.06.99. General or miscellaneous
Annals of Geophysics

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