Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/3757
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dc.contributor.authorallCarbone, D.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italiaen
dc.contributor.authorallZuccarello, L.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italiaen
dc.contributor.authorallSaccorotti, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italiaen
dc.date.accessioned2008-04-14T06:21:10Zen
dc.date.available2008-04-14T06:21:10Zen
dc.date.issued2008-03-21en
dc.identifier.urihttp://hdl.handle.net/2122/3757en
dc.description.abstractDuring the December 2005-January 2006 non-eruptive period, the tremor amplitude at Etna markedly increased and negatively correlated with the gravity signal from one of the two summit station, over 2-3 hour periods. No correlation was found with the signal from the other gravity station. We locate the tremor source by inverting the spatial distribution of seismic amplitudes. Relying on the relative position of the two stations, we define a volume within which the gravity source must lie. During the period of marked anti-correlation, the tremor sources intersect this volume in a region located 1 km S-SE of the summit craters and about 2 km beneath the surface. This finding suggests that the anti-correlation marks the activation of a joint source process, possibly related to the arrival of fresh magma and the consequent gas separation. Our study has implications for the early recognition of gas segregation processes at active volcanoes.en
dc.language.isoEnglishen
dc.publisher.nameAGUen
dc.relation.ispartofGeophysical Research Lettersen
dc.relation.ispartofseries/35 (2008)en
dc.subjectvolcanic tremoren
dc.subjectEtna volcanoen
dc.subjectgravity changesen
dc.titleGeophysical indications of magma uprising at Mt Etna during the December 2005 to January 2006 non-eruptive perioden
dc.typearticleen
dc.description.statusPublisheden
dc.description.pagenumberL06305en
dc.subject.INGV04. Solid Earth::04.01. Earth Interior::04.01.02. Geological and geophysical evidences of deep processesen
dc.subject.INGV04. Solid Earth::04.03. Geodesy::04.03.05. Gravity variationsen
dc.subject.INGV04. Solid Earth::04.06. Seismology::04.06.08. Volcano seismologyen
dc.identifier.doi10.1029/2008GL033212en
dc.relation.referencesAllard, P., M. Burton and F. Murè (2005), Spectroscopic evidence for a lava fountain driven by previously accumulated magmatic gas, Nature, 433, 407-410. Battaglia, J. and K. Aki (2003), Location of seismic events and eruptive fissures on the Piton de la Fournaise volcano using seismic amplitudes, J. Geophys. Res., 108 (B8), 2364, doi:10.1029/2002JB002193. Burton, M. R., et al. (2005), Etna 2004–2005: An archetype for geodynamically-controlled effusive eruptions, Geophys. Res. Lett., 32, L09303, doi:10.1029/2005GL022527. Carbone, D., G. Budetta, F. Greco and H. Rymer (2003), Combined discrete and continuous gravity observations at Mt. Etna, J. Volcanol. Geoth. Res., 123, 123-135. Carbone, D., L. Zuccarello, G. Saccorotti and F. Greco (2006), Analysis of simultaneous gravity and tremor anomalies observed during the 2002– 2003 Etna eruption, Earth Planet. Sci. Lett., 245, 616– 629. De Gori, P., C. Chiarabba and D. Patanè (2005), Qp structure of Mount Etna: Constraints for the physics of the plumbing system, J. Geophys. Res., 110, B05303, doi:10.1029/2003JB002875 Gottschammer E., and I. Surono (2000), Locating tremor and shock sources recorded at Bromo volcano. J. Volcanol. Geotherm. Res., 101, 199–209. Gottsmann, J., R. Carniel, N. Coppo, L. Wooller, S. Hautmann, and H. Rymer (2007), Oscillations in hydrothermal systems as a source of periodic unrest at caldera volcanoes: Multiparameter insights from Nisyros, Greece, Geophys. Res. Lett., 34, L07307, doi:10.1029/2007GL029594. Konstantinou, K.I. an V. Schlindwein (2002), Nature, wavefield properties and source machanism of volcanic tremor: a review, J. Volc. Geotherm. Res., 119, 161–187. Longo, A., D. Barbato, P. Papale, G. Saccorotti and M. Barsanti, Numerical simulation of the dynamics of fluid oscillations in a gravitationally unstable, compositionally stratified fissure. J. Geol. Soc. Lond. (in press). Manga, M and E. Brodsky (2006), Seismic Triggering of Eruptions in the Far Field: Volcanoes and Geysers, Annu. Rev. Earth Planet. Sci, 34, 263–291 Menand, T. and J. C. Phillips (2007), Gas segregation in dykes and sills, J. Volcanol. Geotherm. Res., 159, 393–408. Neri, M., B. Behncke, M. Burton, G. Galli, S. Giammanco, E. Pecora, E. Privitera, and D. Reitano (2006), Continuous soil radon monitoring during the July 2006 Etna eruption, Geophys. Res. Lett., 33, L24316, doi:10.1029/2006GL028394 Saccorotti, G., L. Zuccarello, E. Del Pezzo, J. Ibanez and S. Gresta (2004), Quantitative analysis of the tremor wavefield at Etna Volcano, Italy, J. Volcanol. Geotherm. Res., 136, 223-245. Sharma, P.V. (1986), Geophysical Methods in Geology, edited by Elsevier, New York. Vergniolle, S. and C. Jaupart (1990), Dynamics of degassing at Kilauea volcano, Hawaii, J. Geophys. Res. 95, 2793–2809.en
dc.description.obiettivoSpecifico2.6. TTC - Laboratorio di gravimetria, magnetismo ed elettromagnetismo in aree attiveen
dc.description.journalTypeJCR Journalen
dc.description.fulltextreserveden
dc.contributor.authorCarbone, D.en
dc.contributor.authorZuccarello, L.en
dc.contributor.authorSaccorotti, G.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, Sezione Pisa, Pisa, 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 OE, Catania, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia, Sezione di Pisa, Italy-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Pisa, Pisa, Italia-
crisitem.author.orcid0000-0003-2566-6290-
crisitem.author.orcid0000-0003-0094-9577-
crisitem.author.orcid0000-0003-2915-1446-
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-
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