Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/5567
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dc.contributor.authorallMassa, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Milano-Pavia, Milano, Italiaen
dc.contributor.authorallLovati, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Milano-Pavia, Milano, Italiaen
dc.contributor.authorallDi Giacomo, D.; GFZ, Potsdam, Germanyen
dc.contributor.authorallMarzorati, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Milano-Pavia, Milano, Italiaen
dc.contributor.authorallD'Alema, E.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Milano-Pavia, Milano, Italiaen
dc.contributor.authorallAugliera, P.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Milano-Pavia, Milano, Italiaen
dc.date.accessioned2010-01-13T14:13:34Zen
dc.date.available2010-01-13T14:13:34Zen
dc.date.issued2009-10-01en
dc.identifier.urihttp://hdl.handle.net/2122/5567en
dc.description.abstractIn this work, the results of a quick microtremor survey performed in the municipalities situated in the epicentre area of the Ml 5.2 2004 Salo` earthquake (North Italy) are presented. The aim of this study is to understand if the large amount of damage caused by the event (about 215 million euros only in the areas near to the epicenter) is correlated more to the local surface geology conditions or to the vulnerability of ancient Italian historical centers. A preliminary seismic zonation was carried out in 5 villages including about 30 measurements of microtremors analyzed by the Nakamura technique (hereinafter HVNR). The points of measurement were carefully selected considering sites located both near damaged buildings and over different local geology conditions (alluvium deposits, fluvial-glacial deposits, debris fans and rock). In order to strengthen the HVNR results and to evaluate the reliability of the Nakamura analysis, a comparison with spectral ratios calculated on earthquakes (hereinafter HVSR) recorded at the strong motion station of Vobarno was made. In general, the outcomes of the survey highlight a possible correlation between local geology conditions and ground motion amplification for different frequency bands. In order to check if this evidence is linked with the damage, a series of macroseismic intensity values were collected for different zones of the investigated area, and a nonparametric correlation approach was used to establish a possible correlation between damage and ground motion amplification for selected frequency bands. The results show, from a statistical point of view, that in the area surrounding the epicenter of the November 24, 2004 mainshock, the damage pattern is not strongly dependent upon the local surface geology but more correlated to the low quality of the civil structures present in the area, including old buildings of the last century.en
dc.language.isoEnglishen
dc.relation.ispartofJournal of Earthquake Engineeringen
dc.relation.ispartofseries/13 (2009)en
dc.subjectSalo` Earthquake; Local Surface Geology; HV Spectral Ratios; Nonparametricen
dc.titleA Microtremor Survey in the Area Shocked by the ML 5.2 Salò Earthquake (North Italy): An Empirical Approach to Determine the Effects of Ground Motionsen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber1029-1046en
dc.subject.INGV04. Solid Earth::04.01. Earth Interior::04.01.99. General or miscellaneousen
dc.subject.INGV04. Solid Earth::04.02. Exploration geophysics::04.02.06. Seismic methodsen
dc.subject.INGV04. Solid Earth::04.02. Exploration geophysics::04.02.07. Instruments and techniquesen
dc.identifier.doi10.1080/13632460802663265en
dc.relation.referencesAugliera, P., D’Alema, E., Marzorati, S., Massa, M., De Gori, P., and Marchetti, A. [2006]. Data set Garda 2004: elaborazione dati, installazione stazioni sismiche (2004 Garda dataset: data processing, installation of seismic stations), Convenzione ProCiv-INGV 2004–2006 - Progetto DPC-S3: scenari di scuotimento in aree di interesse prioritario e/o strategico, DPC-S3: Deliverable12, DVD (in Italian). Bard, P. Y. [1999]. ‘‘Microtremor measurement: a tool for site effect estimations?’’, Proc. of the 2nd International Symposium on the Effects of the Surface Geology on Seismic Motion, ESG98, Yokohama, Japan, pp. 1251–1279. Boni, A, and Cassinis, G. [1972]. ‘‘Carta geologica delle Prealpi Bresciane a Sud dell’Adamello 1:50000,’’ Atti 1st. Geol. Univ. Pavia, 23. CNR-IRRS, and Regione Lombardia – Servizio Geologico [1996]. ‘‘Determinazione del rischio sismico a fini urbanistici in Lombardia,’’ 148 p (in Italian). A Microtremor Survey in Val Sabbia Valley (North Italy) 1045 Downloaded By: [Ist Naz Geofisica E Vulcan] At: 09:00 1 October 2009 Faccioli, E. and Paolucci, R. [2005]. ‘‘Elementi di sismologia applicati all’ingegneria,’’ 268 pp, Pitagora Ed., Bologna (in Italian). Field, E. H. and Jacob, K. H. [1995]. ‘‘A comparison and test of various site-response estimation techniques, including three that are non reference-site dependent,’’ Bulletin of the Seismological Society of America 85, 1127–1143. Franceschina, G., Pessina, V., Di Giacomo, D., Massa, M., Castellano, S., Mulargia, F., and Mucciarelli, M. [2008]. ‘‘Ricostruzione del moto del suolo per il terremoto del Garda del 2004,’’ Memorie della Societa` Geologica Italiana 128, 217–228. Gallipoli, M. R., Mucciarelli M., Gallicchio S., Tropeano M., and Lizza, C. [2004]. ‘‘Horizontal to vertical spectra ratio (HVSR) measurements in the area damaged by the 2002 Molise, Italy, earthquake,’’ Earthquake Spectra 20(S1), 81–93. Gruppo di lavoro [2004]. Redazione della mappa di pericolosita` sismica prevista dall’ordinanza PCM 3274 del 20 Marzo 2003, Rapporto conclusivo per il Dipartimento della Protezione Civile, INGV, Milano - Roma, 65 (in Italian). Gruppo di lavoro CPTI [2004]. ‘‘Catalogo Parametrico dei Terremoti Italian,’’ versione 2004 (CPTI04), INGV, Bologna (url: http://emidius.mi.ingv.it/CPTI04/). Konno, K. and Ohmachi, T. [1998]. ‘‘Ground-motion characteristic estimated from spectral ratio between horizontal and vertical components of microtremors,’’ Bulletin of the Seismological Society of America 88, 228–241. Lachet, C. and Bard, P. Y. [1994]. ‘‘Numerical and theoretical investigations on the possibilities and limitations of the Nakamura’s technique,’’ Journal of Physical Earth 42, 377–397. Mucciarelli, M. [1998]. ‘‘Reliability and applicability of Nakamura’s technique using microtremors on the ground surface: an experimental approach,’’ Journal of Earthquake Engineering 2, 625–638. Mucciarelli, M. and Monachesi, G. [1998]. ‘‘A quick survey of local amplifications and their correlation with damage observed during the Umbro-Marchesan (Italy) earthquake of September 26, 1997,’’ Journal of Earthquake Engineering 2, 325–337. Mucciarelli, M. and Monachesi, G. [1999]. ‘‘The Bovec (Slovenia) earthquake, April 1998: preliminary quantitative association among damage, ground motion amplification and building frequencies,’’ Journal of Earthquake Engineering 3, 317–327. Mucciarelli, M. and Gallipoli, M. R. [2001]. ‘‘A critical review of 10 years of microtremor HVSR technique,’’ Boll. Geof. Teor. Appl. 42, 255–266. Nakamura, Y. [1989]. ‘‘A method for dynamic characteristics estimations of subsurface using microtremors on the ground surface,’’ Quarterly Report RTRI Japan 30, 25–33. Nakamura, Y. [2000]. ‘‘Clear identification of fundamental of Nakamura’s technique and its applications, #2656,’’ 12th World Conference on Earthquake Engineering, New Zealand. Parolai, S., Bormann, P., and Milkereit, C. [2001]. ‘‘Assessment of the natural frequency of the sedimentary cover in the Cologne area (Germany) using noise measurements,’’ Journal of Earthquake Engineering 5, 541–564. Parolai, S., Richwalski, S. M., Milkereit, C., and Bormann, P. [2004]. ‘‘Assessment of the stability of H/V spectral ratios from ambient noise and comparison with earthquake data in the Cologne area (Germany),’’ Tectonophysics 390, 57–73. QUEST (QUick Earthquake Survey Team) [2005]. ‘‘Rilievo macrosismico del terremoto del Garda del 24 novembre 2004,’’ Ingegneria Sismica, Anno XXII – 2, 44–59 (in Italian). Regione Lombardia [2002]. ‘‘CD Progetto di Cartografia geoambientale, dati vettoriali, scala 1:10000,’’ Comunita` Montana Val Sabbia (in Italian).en
dc.description.obiettivoSpecifico1.1. TTC - Monitoraggio sismico del territorio nazionaleen
dc.description.obiettivoSpecifico3.1. Fisica dei terremotien
dc.description.journalTypeJCR Journalen
dc.description.fulltextopenen
dc.contributor.authorMassa, M.en
dc.contributor.authorLovati, S.en
dc.contributor.authorDi Giacomo, D.en
dc.contributor.authorMarzorati, S.en
dc.contributor.authorD'Alema, E.en
dc.contributor.authorAugliera, P.en
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Milano, Milano, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Milano, Milano, Italiaen
dc.contributor.departmentGFZ, Potsdam, Germanyen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Milano, Milano, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Milano, Milano, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Milano, Milano, Italiaen
item.openairetypearticle-
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item.languageiso639-1en-
item.grantfulltextopen-
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.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Milano, Milano, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Milano, Milano, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Milano, Milano, Italia-
crisitem.author.orcid0000-0003-0696-2035-
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crisitem.author.orcid0000-0001-5908-389X-
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.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.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-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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