Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/4092| DC Field | Value | Language |
|---|---|---|
| dc.contributor.authorall | Gambino, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia | en |
| dc.contributor.authorall | Guglielmino, F.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia | en |
| dc.date.accessioned | 2008-10-01T13:31:10Z | en |
| dc.date.available | 2008-10-01T13:31:10Z | en |
| dc.date.issued | 2008-07 | en |
| dc.identifier.uri | http://hdl.handle.net/2122/4092 | en |
| dc.description.abstract | Since the last eruption in 1888-90, volcanic activity at Vulcano Island (Aeolian Archipelago, Italy) has been limited to fumarolic degassing, concentrated near the active cone of “La Fossa” crater in the northern sector of the island. During the period 1990-1996, EDM and levelling data indicate a deflation and contraction focused on the La Fossa Cone. We jointly inverted these datasets using for volume change both a spherical Mogi (1958) source and an ellipsoid as defined by Davis (1986). The best fitting source for the 1990-96 deflation is a shallow sub-vertical prolate ellipsoid positioned roughly under the crater. Our model is consistent with increased activity in a shallow hydrothermal system, supported by observations of water evaporation testified by the increase of steam emission and temperature at crater fumaroles. The fluid loss from a shallow geothermal reservoir is the most likely cause of the subsidence recorded at La Fossa Cone during the same period. This clear linkage between the deformation signals and hydrothermal activity, has important implications in the hazard assessment and monitoring of the Vulcano activity. | en |
| dc.language.iso | English | en |
| dc.publisher.name | AGU | en |
| dc.relation.ispartof | Journal of geophysical research | en |
| dc.relation.ispartofseries | /113 (2008) | en |
| dc.subject | modeling | en |
| dc.subject | hydrothermal source | en |
| dc.title | Ground deformation induced by geothermal processes: a model for La Fossa Crater (Vulcano Island, Italy) | en |
| dc.type | article | en |
| dc.description.status | Published | en |
| dc.description.pagenumber | B07402 | en |
| dc.subject.INGV | 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring | en |
| dc.identifier.doi | 10.1029/2007JB005016 | en |
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Cosmochim. Acta 66, 759–772. Sicardi, L. (1941), Il recente ciclo dell’attivita` fumarolica dell’isola di Vulcano, Bull. Volcanol., 7, 85– 140. Tiampo, K. F., J. B. Rundle, J. Fernandez, and J. O. Langbein (2000), Spherical and ellipsoidal volcanic sources at Long Valley Caldera, California using a genetic algorithm inversion technique, J. Volcanol. Geotherm. Res., 102, 189– 206. Todesco M. (1997), Origin of fumarolic fluids at Vulcano (Italy). Insights from isotope data and numerical modeling of hydrothermal circulation. J Volcanol Geotherm Res 79 : 63–85. Waite, G. P., and R. B. Smith (2002), Seismic evidence for fluid migration accompanying subsidence of the Yellowstone caldera, J. Geophys. Res., 107 (B9), 2177, doi:10.1029/2001JB000586. Zanon, V., M. L. Frezzotti, and A. Peccerillo (2003), Magmatic feeding system and crustal magma accumulation beneath Vulcano Island (Italy): Evidence from CO2 fluid inclusions in quartz xenoliths, J. Geophys. Res., 108, 2298, doi:10.1029/2002JB002140. | en |
| dc.description.obiettivoSpecifico | 1.3. TTC - Sorveglianza geodetica delle aree vulcaniche attive | en |
| dc.description.journalType | JCR Journal | en |
| dc.description.fulltext | reserved | en |
| dc.contributor.author | Gambino, S. | en |
| dc.contributor.author | Guglielmino, F. | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, 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 | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia | - |
| crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia | - |
| crisitem.author.orcid | 0000-0001-8055-3059 | - |
| crisitem.author.orcid | 0000-0003-3258-9975 | - |
| 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 | - |
| Appears in Collections: | Article published / in press | |
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| Gambino and Guglielmino_2008.pdf | 446.68 kB | Adobe PDF |
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