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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/6026
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dc.contributor.authorallBadi, G.; Facultad de Ciencias Astronomicas y Geofısicas, Universidad Nacional de La Plata, La Plata, Argentina.en
dc.contributor.authorallDel Pezzo, E.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italiaen
dc.contributor.authorallIbanez, J. M.; Instituto Andaluz de Geofısica, Universidad de Granada, Granada, Spainen
dc.contributor.authorallBianco, F.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italiaen
dc.contributor.authorallSabbione, N.; Facultad de Ciencias Astronomicas y Geofısicas, Universidad Nacional de La Plata, La Plata, Argentina.en
dc.contributor.authorallAraujo, M.; Instituto Nacional de Prevencion Sısmica, San Juan, Argentina.en
dc.date.accessioned2010-06-07T07:45:23Zen
dc.date.available2010-06-07T07:45:23Zen
dc.date.issued2009-12-29en
dc.identifier.urihttp://hdl.handle.net/2122/6026en
dc.description.abstractIn the present work we separated intrinsic from scattering attenuation coefficients both for the crust and the upper mantle in the tectonically highly active areas of the Southern-Central Andes - Nuevo Cuyo region, analyzing two groups of earthquakes, well separated in depth. This region is characterized by the presence of flat subduction. We apply MLTWA (Multiple Lapse Time Window Analysis), coda normalization and Q-coda techniques to measure the scattering and intrinsic attenuation coefficient and the total Q for S waves. We find that intrinsic attenuation does not decrease with depth whereas scattering attenuation is higher in the crust than in the upper mantle, and that intrinsic attenuation predominates over scattering attenuation. We interpret this observation in terms of the release of water and other fluids into the overlying lithosphere due to the dynamics of the subduction process, in agreement with most of the prevalent geodynamic models.en
dc.language.isoEnglishen
dc.publisher.nameThe American Geophysical Unionen
dc.relation.ispartofGEOPHYSICAL RESEARCH LETTERSen
dc.relation.ispartofseries/36 (2009)en
dc.subjectscattering attenuationen
dc.subjectNuevo Cuyo regionen
dc.titleDepth dependent seismic scattering attenuation in the Nuevo Cuyo region (southern central Andes)en
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumberL24307en
dc.subject.INGV04. Solid Earth::04.06. Seismology::04.06.99. General or miscellaneousen
dc.subject.INGV04. Solid Earth::04.06. Seismology::04.06.09. Waves and wave analysisen
dc.identifier.doi10.1029/2009GL041081en
dc.relation.referencesAbers, G. A., P. E. van Keken, E. A. Kneller, A. Ferris, and J. C. Stachnik (2006), The thermal structure of subduction zones constrained by seismic imaging: Implications for slab dehydration and wedge flow, Earth Planet. Sci. Lett., 241, 387– 397. Bianco, F., E. Del Pezzo, L. Malagnini, F. Di Luccio, and A. Akinci (2005), Separation of depth dependent intrinsic and scattering seismic attenuation in the northeastern sector of the Italian Peninsula, Geophys. J. Int., 161, 130– 142, doi:10.1111/j.1365-246X.2005.02555.x. Kissling, E. (1995), Velest user’s guide—Short introduction, report, Inst. of Geophys. and Swiss Seismol. Serv., Zurich, Switzerland. Myers, S. C., S. Beck, G. Zandt, and T. Wallace (1998), Lithospheric-scale structure across the Bolivian Andes from tomographic images of velocity and attenuation for P and S waves, J. Geophys. Res., 103, 21,233 – 21,252. Pujol, J., J. M. Chiu, R. Smalley Jr., M. Regnier, B. Isacks, J. L. Chatelain, J. Vlasity, J. Castano, and N. Puebla (1991), Lateral velocity variations in the Andean foreland in Argentina determined with the JHD method, Bull. Seismol. Soc. Am., 81, 2441– 2457. Ramos, V. A., E. O. Cristallini, and D. J. Pe´rez (2002), The Pampean flatslab of the central Andes, J. South Am. Earth Sci., 15, 59– 78. Sato, H., and M. C. Fehler (1998), Seismic Wave Propagation and Scattering in the Heterogeneous Earth, 308 pp., Springer, New York. Smalley, R., Jr., J. Pujol, M. Regnier, J.-M. Chiu, J.-L. Chatelain, B. L. Isacks, M. Araujo, and N. Puebla (1993), Basement seismicity beneath the Andean precordillera thin-skinned thrust belt and implications for crustal and lithospheric behavior, Tectonics, 12, 63– 76. Whitman, D., B. L. Isacks, J.-L. Chatelain, J.-M. Chiu, and A. Perez (1992), Attenuation of high-frequency seismic waves beneath the central Andean plateau, J. Geophys. Res., 97, 19,929–19,947. Zeng, Y., F. Su, and K. Aki (1991), Scattering wave energy propagation in a random isotropic scattering medium: 1. Theory, J. Geophys. Res., 96, 607– 619.en
dc.description.obiettivoSpecifico3.1. Fisica dei terremotien
dc.description.journalTypeJCR Journalen
dc.description.fulltextreserveden
dc.contributor.authorBadi, G.en
dc.contributor.authorDel Pezzo, E.en
dc.contributor.authorIbanez, J. M.en
dc.contributor.authorBianco, F.en
dc.contributor.authorSabbione, N.en
dc.contributor.authorAraujo, M.en
dc.contributor.departmentFacultad de Ciencias Astronomicas y Geofısicas, Universidad Nacional de La Plata, La Plata, Argentina.en
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italiaen
dc.contributor.departmentInstituto Andaluz de Geofısica, Universidad de Granada, Granada, Spainen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italiaen
dc.contributor.departmentFacultad de Ciencias Astronomicas y Geofısicas, Universidad Nacional de La Plata, La Plata, Argentina.en
dc.contributor.departmentInstituto Nacional de Prevencion Sısmica, San Juan, Argentina.en
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptFacultad de Astronomía y Geofísica, Universidad Nacional de La Plata, Argentina-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia-
crisitem.author.deptInstituto Andaluz de Geofísica, University of Granada, Granada, Spain,-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia-
crisitem.author.deptFacultad de Ciencias Astronomicas y Geofısicas, Universidad Nacional de La Plata, La Plata, Argentina.-
crisitem.author.deptInstituto Nacional de Prevención Sısmica, San Juan, Argentina-
crisitem.author.orcid0000-0002-6981-5967-
crisitem.author.orcid0000-0002-9846-8781-
crisitem.author.orcid0000-0001-5400-7724-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent04. Solid Earth-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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