Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/735
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dc.contributor.authorallTelesca, L.; Istituto di Metodologie per l 'Analisi Ambientale (IMAA), CNR, Tito Scalo (PZ), Italyen
dc.contributor.authorallBalasco, M.; Dipartimento di Geologia e Geofisica, Università degli Studi di Bari, Italyen
dc.contributor.authorallColangelo, G.; Istituto di Metodologie per l 'Analisi Ambientale (IMAA), CNR, Tito Scalo (PZ), Italyen
dc.contributor.authorallLapenna, V.; Istituto di Metodologie per l 'Analisi Ambientale (IMAA), CNR, Tito Scalo (PZ), Italyen
dc.date.accessioned2006-02-20T08:33:41Zen
dc.date.available2006-02-20T08:33:41Zen
dc.date.issued2004en
dc.identifier.urihttp://hdl.handle.net/2122/735en
dc.description.abstractThe Normalized Wavelet Cross-Correlation Function (NWCCF) was used to study correlations between the series of extreme events in self-potential data and earthquakes, both modelled as stochastic point processes. This method gives objective results, robust to the presence of nonstationarities that often affect observational time series. Furthermore, the NWCCF identifies the timescales involved in the cross-correlated behaviour between two point processes. In particular, we analyzed the cross-correlation between the sequence of extreme events in selfpotential data measured at the monitoring station Tito, located in a seismic area of Southern Italy, and the series of earthquakes which occurred in the same area during 2001. To evaluate the influence of rain on the dynamics of geoelectrical variations, we applied the same approach between the selected extreme values and the rain data. We find that the anomalous geoelectrical values seem to cross-correlate with the rain at short and intermediate timescales (t< 500 h), while they significantly cross-correlate only with earthquakes (M = 2.5) at long timescales (t> 500 h).en
dc.format.extent680489 bytesen
dc.format.mimetypeapplication/pdfen
dc.language.isoEnglishen
dc.publisher.nameINGVen
dc.relation.ispartofAnnals of Geophysicsen
dc.relation.ispartofseries1/47 (2004)en
dc.subjectself-potentialsen
dc.subjectextreme eventsen
dc.subjectearthquakesen
dc.subjectcross-correlationen
dc.titleInvestigating correlations between earthquakes and extreme eventsin self-potential data recorded in a seismicarea of Southestern Appennine Chain (Italy)en
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.subject.INGV05. General::05.04. Instrumentation and techniques of general interest::05.04.99. General or miscellaneousen
dc.description.journalTypeJCR Journalen
dc.description.fulltextopenen
dc.contributor.authorTelesca, L.en
dc.contributor.authorBalasco, M.en
dc.contributor.authorColangelo, G.en
dc.contributor.authorLapenna, V.en
dc.contributor.departmentIstituto di Metodologie per l 'Analisi Ambientale (IMAA), CNR, Tito Scalo (PZ), Italyen
dc.contributor.departmentDipartimento di Geologia e Geofisica, Università degli Studi di Bari, Italyen
dc.contributor.departmentIstituto di Metodologie per l 'Analisi Ambientale (IMAA), CNR, Tito Scalo (PZ), Italyen
dc.contributor.departmentIstituto di Metodologie per l 'Analisi Ambientale (IMAA), CNR, Tito Scalo (PZ), Italyen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptIstituto di Metodologie per l Analisi Ambientale (IMAA), CNR, Tito Scalo (PZ), Italy-
crisitem.author.deptIstituto di Metodologie per l’Analisi Ambientale (IMAA, CNR), Tito Scalo (Pz), Italy-
crisitem.author.deptUfficio Difesa del Suolo, Regione Basilicata, Potenza, Italy-
crisitem.author.deptIstituto di Metodologie Avanzate di Analisi Ambientale, CNR, Tito Scalo (PZ), Italy-
crisitem.classification.parent05. General-
Appears in Collections:Annals of Geophysics
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