http://www.cnr.it/ontology/cnr/individuo/prodotto/ID6448
Quantitative model for magma degassing and ground deformation (bradyseism) at Campi Flegrei, Italy: Implication for future eruptions (Articolo in rivista)
- Type
- Label
- Quantitative model for magma degassing and ground deformation (bradyseism) at Campi Flegrei, Italy: Implication for future eruptions (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1130/G23653A.1 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Bodnar R.J.; Cannatelli C.; De Vivo B.; Lima A.; Belkin H. E.; Milia A. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
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- Scopus (literal)
- ISI Web of Science (WOS) (literal)
- Google Scholar (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Dept of Geosciences, Virginia Polytechnic Institute and State University, 4044 Derring Hall, Blacksburg, Virginia 24061, USA
Dip. di Scienze della Terra, Università di Napoli \"Federico II\", via Mezzocannone 8, 80138 Napoli
U.S. Geological Survey,956 National Center, Reston, Virginia 20192, USA
IAMC, CNR, Calata Porta di Massa, Porto di Napoli 80133 Italy (literal)
- Titolo
- Quantitative model for magma degassing and ground deformation (bradyseism) at Campi Flegrei, Italy: Implication for future eruptions (literal)
- Abstract
- Campi Flegrei (Phlegrean Fields) is an active volcanic center near Naples, Italy. Numerous eruptions have occurred here during the Quaternary, and repeated episodes of slow vertical ground movement (bradyseism) have been documented since Roman times. Here, we present a quantitative model that relates deformation episodes to magma degassing and fracturing at the brittle-ductile transition in a magmatic-hydrothermal environment. The model is consistent with fi eld and laboratory observations and predicts that uplift between 1982 and 1984 was associated with crystallization of ~0.83 km3 of H2O-saturated magma at 6 km depth. During crystallization,
~6.2 ~ 1010 kg of H2O and 7.5 ~ 108 kg of CO2 exsolved from the magma and generated ~7 ~ 1015 J of mechanical (P¢V) energy to drive the observed uplift. For comparison, ~1017 J of thermal energy was released during the 18 May 1980 lateral blast at Mount St. Helens. (literal)
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