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dc.contributor.authorallFalsaperla, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italiaen
dc.contributor.authorallBarberi, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italiaen
dc.contributor.authorallCocina, O.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italiaen
dc.description.abstractStrong changes in seismic radiation, comparable to those preceding and/or accompanying eruptive activity in recent years, were recorded at Mt. Etna volcano, Italy, from November 2005 to January 2006. The amplitude of volcanic tremor peaked in mid-December 2005 after a continuous, slow increase from August 2005 onwards, during which neither effusive nor paroxysmal activity was observed by volcanologists and alpine guides. During this time span, the centroid locations of volcanic tremor moved towards the surface, more and more clustered below the summit craters. The application of pattern classification analysis based on Self-Organizing Maps and fuzzy clustering to volcanic tremor data highlighted variations in the frequency domain as well. These changes were temporally associated with ground deformation variations, as indicative of a mild inflation of the summit of the volcano, and with a conspicuous increase in the SO2 plume-flux emission. Overall, we interpret this evidence as the result of recharging of the volcanic feeder at depth (> 3 km below sea level) during which magma did not reach the shallow plumbing system.en
dc.publisher.nameAmerican Geophysical Unionen
dc.relation.ispartofGeochemistry, Geophysics, Geosystemsen
dc.relation.ispartofseries12/14 (2013)en
dc.subjecttime series analysisen
dc.subjectvolcano seismologyen
dc.subjectvolcano monitoringen
dc.subjectneural network and fuzzy logicen
dc.subjectseismic tomographyen
dc.titleThe failed eruption of Mt. Etna in December 2005: evidence from volcanic tremor analysesen
dc.subject.INGV04. Solid Earth::04.06. Seismology::04.06.08. Volcano seismologyen
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dc.description.obiettivoSpecifico2V. Dinamiche di unrest e scenari pre-eruttivien
dc.description.journalTypeJCR Journalen
dc.contributor.authorFalsaperla, S.en
dc.contributor.authorBarberi, G.en
dc.contributor.authorCocina, O.en
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italiaen
item.fulltextWith Fulltext-
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- Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia- Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia- Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia- Nazionale di Geofisica e Vulcanologia- Nazionale di Geofisica e Vulcanologia- Nazionale di Geofisica e Vulcanologia-
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