Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/634
DC Field | Value | Language |
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dc.contributor.authorall | Beauducel, F.; IPGP, Observatoire Volcanologique de la Soufrière | en |
dc.contributor.authorall | De Natale, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.contributor.authorall | Obrizzo, F.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.contributor.authorall | Pingue, F.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.date.accessioned | 2006-01-26T10:15:11Z | en |
dc.date.available | 2006-01-26T10:15:11Z | en |
dc.date.issued | 2004 | en |
dc.identifier.uri | http://hdl.handle.net/2122/634 | en |
dc.description.abstract | Campi Flegrei is a caldera complex located west of Naples, Italy. The last eruption occurred in 1538, although the volcano has produced unrest episodes since then, involving rapid and large ground movements (up to 2 m vertical in two years), accompanied by intense seismic activity. Surface ground displacements detected by various techniques (mainly InSAR and levelling) for the 1970 to 1996 period can be modelled by a shallow point source in an elastic half-space, however the source depth is not compatible with seismic and drill hole observations, which suggest a magma chamber just below 4 km depth. This apparent paradox has been explained by the presence of boundary fractures marking the caldera collapse. We present here the first full 3-D modelling for the unrest of 1982–1985 including the effect of caldera bordering fractures and the topography. To model the presence of topography and of the complex caldera rim discontinuities, we used a mixed boundary elements method. The a priori caldera geometry is determined initially from gravimetric modelling results and refined by inversion. The presence of the caldera discontinuities allows a fit to the 1982–1985 levelling data as good as, or better than, in the continuous half-space case, with quite a different source depth which fits the actual magma chamber position as seen from seismic waves. These results show the importance of volcanic structures, and mainly of caldera collapses, in ground deformation episodes. | en |
dc.format.extent | 478 bytes | en |
dc.format.extent | 1671146 bytes | en |
dc.format.mimetype | text/html | en |
dc.format.mimetype | application/pdf | en |
dc.language.iso | English | en |
dc.publisher.name | Birkhauser Verlag | en |
dc.relation.ispartof | Pure and Applied Geophysics | en |
dc.relation.ispartofseries | 161 | en |
dc.subject | Campi Flegrei | en |
dc.subject | deformations | en |
dc.subject | caldera | en |
dc.subject | 3-D | en |
dc.title | 3-D Modelling of Campi Flegrei Ground Deformations: Role of Caldera Boundary Discontinuities | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.type.QualityControl | Peer-reviewed | en |
dc.description.pagenumber | 1329-1344 | en |
dc.identifier.URL | http://www.springerlink.com | en |
dc.subject.INGV | 04. Solid Earth::04.03. Geodesy::04.03.01. Crustal deformations | en |
dc.subject.INGV | 04. Solid Earth::04.03. Geodesy::04.03.08. Theory and Models | en |
dc.subject.INGV | 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring | en |
dc.identifier.doi | 10.1007/s00024-004-2507-4 | en |
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ROSI, M., and SBRANA, A (1987), Phlegrean Fields, Quaderni della Ricerca Scientifica, CNR Rome 9(114), 175 pp. SCANDONE, R., BELLUCCI, F., LIRER, L., and ROLANDI, G. (1991), The Structure of the Campanian Plain and the Activity of the Neapolitan Volcanoes (Italy), J. Volcanol. Geotherm. Res. 48, 1–31. TROISE, C., PINGUE, F., and DE NATALE, G. (2003), Coulomb Stress Changes at Calderas: Modeling the Seismicity of Campi Flegrei (Southern Italy), J. Geophys. Res., 108 (B6), 2292, doi: 10.1029/2002JB2006 TROISE, C., DE NATALE, G., PINGUE, F., and ZOLLO, A. (1997), A Model for Earthquake Generation during Unrest Crises at Campi Flegrei and Rabaul Calderas, Geophys. Res. Lett. 24(13), 1,575–1,578. TROISE C., DE NATALE G., and PINGUE F. (2004), Non linear effects in ground deformation at calderas due to the presence of structural discontinuities, Annales of Geophysics, in press | en |
dc.description.fulltext | partially_open | en |
dc.contributor.author | Beauducel, F. | en |
dc.contributor.author | De Natale, G. | en |
dc.contributor.author | Obrizzo, F. | en |
dc.contributor.author | Pingue, F. | en |
dc.contributor.department | IPGP, Observatoire Volcanologique de la Soufrière | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, 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 | Institut de Physique du Globe de Paris | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | - |
crisitem.author.orcid | 0000-0001-8391-2846 | - |
crisitem.author.orcid | 0000-0002-9282-2786 | - |
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.classification.parent | 04. Solid Earth | - |
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 | - |
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