Coseismic liquefaction phenomenon analysis by COSMO-SkyMed : 2012 Emilia ( Italy ) earthquake

Chini, M.; Albano, M.; Saroli, M.; Pulvirenti, L.; Moro, M.; Bignami, C.; Falcucci, E.; Gori, S.; Modoni, G.; Pierdicca, N.; Stramondo, S.

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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/9415

DC Field	Value	Language
dc.contributor.authorall	Chini, M.; Luxembourg Institute of Science and Technology (LIST)	en
dc.contributor.authorall	Albano, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia	en
dc.contributor.authorall	Saroli, M.; University of Cassino and Southern Lazio	en
dc.contributor.authorall	Pulvirenti, L.; CIMA Research Foundation	en
dc.contributor.authorall	Moro, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia	en
dc.contributor.authorall	Bignami, C.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia	en
dc.contributor.authorall	Falcucci, E.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia	en
dc.contributor.authorall	Gori, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia	en
dc.contributor.authorall	Modoni, G.; University of Cassino and Southern Lazio	en
dc.contributor.authorall	Pierdicca, N.; Sapienza University of Rome	en
dc.contributor.authorall	Stramondo, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia	en
dc.date.accessioned	2015-03-11T14:31:30Z	en
dc.date.available	2015-03-11T14:31:30Z	en
dc.date.issued	2015	en
dc.identifier.uri	http://hdl.handle.net/2122/9415	en
dc.description.abstract	The liquefaction phenomenon that occurred in the coseismic phase of th eMay 20,2012 Emilia(Italy) earthquake (ML5.9) is investigated. It was induced by the water pressure increase in the buried and confined sand layers.The level-ground liquefactionwastheresultofachaoticgroundoscillationcaused by theearthquakeshakingandtheobservedfailureswereduetotheupwardwaterflowcausedby the excessofporepressures.Weexploitedthecapabilityofthedifferentialsyntheticapertureradar interferometry (DInSAR)techniquetodetectsoilliquefactionsandestimatetheirsurfacedisplacements, as wellasthehighsensitivitytosurfacechangesofcomplexcoherence,SARbackscatteringandintensity correlation. Tothisaim,asetoffourCOSMO-SkyMedX-bandSARimages,coveringtheperiodApril 1–June 6,2012,wasused.Geological–geotechnicalanalysiswasalsoperformedinordertoascertainif the detectedSAR-basedsurfaceeffectscouldbeduetothecompactioninducedbyliquefactionofdeep sandy layers.Inthisregards,theresultsobtainedfrom13electricalconepenetrometertestsshowthe presence ofafinetomediumsandylayeratdepths,rangingbetween9and13m,whichprobablyliquefied during theearthquake,inducingverticaldisplacementsbetween3and16cm.Thequantitativeresults from geological–geotechnicalanalysisandthesurfacepunctualeffectsmeasuredbyDInSARareingood agreement, evenifsomedifferencesarepresent,probablyascribabletothelocalthicknessanddepth variability ofthesandylayer,ortolackofdeformationdetectionduetoDInSARdecorrelation.Theadopted approach permittedustodefinetheextentoftheareasthatunderwentliquefactionandtoquantifythe local subsidencerelatedtothesephenomena.Thelatterachievementprovidesusefulinformationthat must beconsideredinengineeringpractices,intermsofexpectedverticaldeformations.	en
dc.language.iso	English	en
dc.publisher.name	Elsevier Science	en
dc.relation.ispartof	International Journal of Applied Earth Observation and Geoinformation	en
dc.relation.ispartofseries	/39 (2015)	en
dc.subject	liquefaction, change detection, intensity correlation DInSAR	en
dc.title	Coseismic liquefaction phenomenon analysis by COSMO-SkyMed : 2012 Emilia ( Italy ) earthquake	en
dc.type	article	en
dc.description.status	Published	en
dc.type.QualityControl	Peer-reviewed	en
dc.description.pagenumber	65-78	en
dc.subject.INGV	04. Solid Earth::04.06. Seismology::04.06.04. Ground motion	en
dc.identifier.doi	10.1016/j.jag.2015.02.008	en
dc.description.obiettivoSpecifico	6A. Monitoraggio ambientale, sicurezza e territorio	en
dc.description.journalType	JCR Journal	en
dc.description.fulltext	restricted	en
dc.relation.issn	0303-2434	en
dc.relation.eissn	1872-826X	en
dc.contributor.author	Chini, M.	en
dc.contributor.author	Albano, M.	en
dc.contributor.author	Saroli, M.	en
dc.contributor.author	Pulvirenti, L.	en
dc.contributor.author	Moro, M.	en
dc.contributor.author	Bignami, C.	en
dc.contributor.author	Falcucci, E.	en
dc.contributor.author	Gori, S.	en
dc.contributor.author	Modoni, G.	en
dc.contributor.author	Pierdicca, N.	en
dc.contributor.author	Stramondo, S.	en
dc.contributor.department	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia	en
dc.contributor.department	University of Cassino and Southern Lazio	en
dc.contributor.department	CIMA Research Foundation	en
dc.contributor.department	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia	en
dc.contributor.department	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia	en
dc.contributor.department	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia	en
dc.contributor.department	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia	en
dc.contributor.department	University of Cassino and Southern Lazio	en
dc.contributor.department	Sapienza University of Rome	en
dc.contributor.department	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia	en
item.openairetype	article	-
item.cerifentitytype	Publications	-
item.languageiso639-1	en	-
item.grantfulltext	restricted	-
item.openairecristype	http://purl.org/coar/resource_type/c_18cf	-
item.fulltext	With Fulltext	-
crisitem.author.dept	Luxembourg Institute of Science and Technology (LIST)	-
crisitem.author.dept	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia	-
crisitem.author.dept	University of Cassino	-
crisitem.author.dept	Sapienza University of Rome	-
crisitem.author.dept	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia	-
crisitem.author.dept	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia	-
crisitem.author.dept	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma1, Roma, Italia	-
crisitem.author.dept	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma1, Roma, Italia	-
crisitem.author.dept	Università degli studi di Cassino e del Lazio meridionale	-
crisitem.author.dept	Sapienza Università di Roma	-
crisitem.author.dept	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia	-
crisitem.author.orcid	0000-0003-2772-2401	-
crisitem.author.orcid	0000-0001-9499-3960	-
crisitem.author.orcid	0000-0002-3408-8034	-
crisitem.author.orcid	0000-0002-8632-9979	-
crisitem.author.orcid	0000-0003-3716-7392	-
crisitem.author.orcid	0000-0002-7074-3059	-
crisitem.author.orcid	0000-0003-0163-7647	-
crisitem.author.parentorg	Istituto Nazionale di Geofisica e Vulcanologia	-
crisitem.author.parentorg	Istituto Nazionale di Geofisica e Vulcanologia	-
crisitem.author.parentorg	Istituto Nazionale di Geofisica e Vulcanologia	-
crisitem.author.parentorg	Istituto Nazionale di Geofisica e Vulcanologia	-
crisitem.author.parentorg	Istituto Nazionale di Geofisica e Vulcanologia	-
crisitem.author.parentorg	Istituto Nazionale di Geofisica e Vulcanologia	-
crisitem.classification.parent	04. Solid Earth	-
crisitem.department.parentorg	Istituto Nazionale di Geofisica e Vulcanologia	-
crisitem.department.parentorg	Istituto Nazionale di Geofisica e Vulcanologia	-
crisitem.department.parentorg	Istituto Nazionale di Geofisica e Vulcanologia	-
crisitem.department.parentorg	Istituto Nazionale di Geofisica e Vulcanologia	-
crisitem.department.parentorg	Istituto Nazionale di Geofisica e Vulcanologia	-
crisitem.department.parentorg	Istituto Nazionale di Geofisica e Vulcanologia	-
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