Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/3544
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dc.contributor.authorallStich, D.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Bologna, Bologna, Italiaen
dc.contributor.authorallMorelli, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Bologna, Bologna, Italiaen
dc.date.accessioned2008-01-21T10:46:18Zen
dc.date.available2008-01-21T10:46:18Zen
dc.date.issued2007-05-03en
dc.identifier.urihttp://hdl.handle.net/2122/3544en
dc.description.abstractSeismic surface waves with periods of 15 to 20 s are reflected laterally at the northern Apennines. For earthquakes originated and recorded in the wider Alpine area, a few hundred kilometres north of the Apennines, we can directly observe late arrivals of reflected regional surface waves. These have a characteristic polarization of particle motion and often dominate the intermediate-period surface wave coda. Love waves are the most prominent coda arrivals, while reflected Rayleigh waves show smaller amplitudes, and become clear only after rotation of the recordings to the reflection incidence direction. We can track the development of the Love wave reflection along a temporary broad-band transect across the northern Apennines, indicating the location of the reflector near to the highest topography. From spectral element simulations of three-dimensional wave propagation, we attribute the reflection to a continuous, !270 km long offset in the crust-mantle boundary under the mountain belt with vertical throw of !20 km, thus supporting a deep crustal root under the outer side of the Apennines fold and thrust belt, and significant crustal thinning on the inner side. Amplitude reflection coefficients for near-normal incidence can be estimated as !7% for both Love and Rayleigh waves.en
dc.description.sponsorshipEC Marie-Curie Research Training Network SPICE (MRTN-CT-2003-504267)en
dc.language.isoEnglishen
dc.publisher.nameElsevieren
dc.relation.ispartofEarth and Planetary Science Lettersen
dc.relation.ispartofseries/259 (2007)en
dc.subjectseismogram codaen
dc.subjectsurface wavesen
dc.subjectmultipathingen
dc.subject3d waveform modellingen
dc.subjectdeep crustal structureen
dc.titleReflection of seismic surface waves at the northern Apenninesen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber149–158en
dc.identifier.URLhttp://www.elsevier.com/locate/epslen
dc.subject.INGV04. Solid Earth::04.06. Seismology::04.06.07. Tomography and anisotropyen
dc.identifier.doi10.1016/j.epsl.2007.04.036en
dc.description.obiettivoSpecifico3.3. Geodinamica e struttura dell'interno della Terraen
dc.description.journalTypeJCR Journalen
dc.description.fulltextreserveden
dc.contributor.authorStich, D.en
dc.contributor.authorMorelli, A.en
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Bologna, Bologna, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Bologna, Bologna, Italiaen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptInstituto Andaluz de Geofisica, Universidad de Granada, Campus Universitario de Cartuja s/n, 18071 Granada, Spain-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Bologna, Bologna, Italia-
crisitem.author.orcid0000-0002-7400-8676-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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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