Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/7400
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dc.contributor.authorallAmeri, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Milano-Pavia, Milano, Italiaen
dc.contributor.authorallOth, A.; European Center for Geodynamics and Seismologyen
dc.contributor.authorallPilz, M.; Helmholtz Centre Potsdam, GFZ German Research Centre for Geosciences, Earthquake Risk and Early Warning Sectionen
dc.contributor.authorallBindi, D.; Helmholtz Centre Potsdam, GFZ German Research Centre for Geosciences, Centre for Disaster Management and Risk Reduction Technology (CEDIM)en
dc.contributor.authorallParolai, S.; Helmholtz Centre Potsdam, GFZ German Research Centre for Geosciences, Earthquake Risk and Early Warning Sectionen
dc.contributor.authorallLuzi, L.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Milano-Pavia, Milano, Italiaen
dc.contributor.authorallMucciarelli, M.; Università della Basilicataen
dc.contributor.authorallCultrera, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italiaen
dc.date.accessioned2012-01-19T07:59:04Zen
dc.date.available2012-01-19T07:59:04Zen
dc.date.issued2011-06en
dc.identifier.urihttp://hdl.handle.net/2122/7400en
dc.description.abstractWe exploit S-wave spectral amplitudes from 112 aftershocks (3.0 ≤ ML ≤ 5.3) of the L’Aquila 2009 seismic sequence recorded at 23 temporary stations in the epicentral area to estimate the source parameters of these events, the seismic attenuation characteristics and the site amplification effects at the recording sites. The spectral attenuation curves exhibit a very fast decay in the first few kilometers that could be attributed to the large attenuation of waves traveling trough the highly heterogeneous and fractured crust in the fault zone of the L’Aquila mainshock. The S-waves total attenuation in the first 30 km can be parameterized by a quality factor QS(f) = 23f^0.58 obtained by fixing the geometrical spreading to 1/R. The source spectra can be satisfactorily modeled using the omega-square model that provides stress drops between 0.3 and 60 MPa with a mean value of 3.3±2.8 MPa. The site responses show a large variability over the study area and significant amplification peaks are visible in the frequency range from 1 to more than 10 Hz. Finally, the vertical component of the motion is amplified at a number of sites where, as a consequence, the horizontal-to-vertical spectral ratios (HVSR) method fails in detecting the amplitude levels and in few cases the resonance frequencies.en
dc.language.isoEnglishen
dc.publisher.nameSpringeren
dc.relation.ispartofBulletin of Earthquake Engineeringen
dc.relation.ispartofseries3/9(2011)en
dc.subjectGeneralized Inversion Techniqueen
dc.subject2009 L'Aquila earthquakeen
dc.titleSeparation of source and site effects by Generalized Inversion Technique using the aftershock recordings of the 2009 L'Aquila earthquakeen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber717-739en
dc.subject.INGV04. Solid Earth::04.06. Seismology::04.06.99. General or miscellaneousen
dc.subject.INGV04. Solid Earth::04.06. Seismology::04.06.04. Ground motionen
dc.identifier.doi10.1007/s10518-011-9248-4en
dc.description.obiettivoSpecifico4.1. Metodologie sismologiche per l'ingegneria sismicaen
dc.description.journalTypeJCR Journalen
dc.description.fulltextreserveden
dc.contributor.authorAmeri, G.en
dc.contributor.authorOth, A.en
dc.contributor.authorPilz, M.en
dc.contributor.authorBindi, D.en
dc.contributor.authorParolai, S.en
dc.contributor.authorLuzi, L.en
dc.contributor.authorMucciarelli, M.en
dc.contributor.authorCultrera, G.en
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Milano, Milano, Italiaen
dc.contributor.departmentEuropean Center for Geodynamics and Seismologyen
dc.contributor.departmentHelmholtz Centre Potsdam, GFZ German Research Centre for Geosciences, Earthquake Risk and Early Warning Sectionen
dc.contributor.departmentHelmholtz Centre Potsdam, GFZ German Research Centre for Geosciences, Centre for Disaster Management and Risk Reduction Technology (CEDIM)en
dc.contributor.departmentHelmholtz Centre Potsdam, GFZ German Research Centre for Geosciences, Earthquake Risk and Early Warning Sectionen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Milano, Milano, Italiaen
dc.contributor.departmentUniversità della Basilicataen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italiaen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Milano, Milano, Italia-
crisitem.author.deptEuropean Center for Geophysics and Seismology, Luxembourg-
crisitem.author.deptHelmholtz Centre Potsdam GFZ-
crisitem.author.deptOGS - Istituto Nazionale di Oceanografia e di Geofisica Sperimentale-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Milano, Milano, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma1, Roma, Italia-
crisitem.author.orcid0000-0003-4859-6504-
crisitem.author.orcid0000-0002-8575-579X-
crisitem.author.orcid0000-0002-8619-2220-
crisitem.author.orcid0000-0002-9084-7488-
crisitem.author.orcid0000-0003-4312-580X-
crisitem.author.orcid0000-0002-3335-5655-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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