Articles | Volume 7, issue 2
Solid Earth, 7, 557–577, 2016
Solid Earth, 7, 557–577, 2016

Research article 12 Apr 2016

Research article | 12 Apr 2016

Numerical models for ground deformation and gravity changes during volcanic unrest: simulating the hydrothermal system dynamics of a restless caldera

A. Coco et al.

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Cited articles

Afanasyev, A.: Application of the reservoir simulator MUFITS for 3D modelling of CO2 storage in geological formations, Energy Procedia, 40, 365–374, 2013a.
Afanasyev, A.: Multiphase compositional modelling of CO2 injection under subcritical conditions: the impact of dissolution and phase transitions between liquid and gaseous CO2 on reservoir temperature, International Journal of Greenhouse Gas Control, 19, 731–742, 2013b.
Afanasyev, A., Costa, A., and Chiodini, G.: Investigation of hydrothermal activity at Campi Flegrei caldera using 3D numerical simulations: Extension to high temperature processes, J. Volcanol. Geotherm. Res., 299, 68–77, 2015.
Amoruso, A., Crescentini, L., and Berrino, G.: Simultaneous inversion of deformation and gravity changes in a horizontally layered half-space: evidences for magma intrusion during the 1982–1984 unrest at Campi Flegrei caldera (Italy), Earth Planet. Sci. Lett., 272, 181–188, 2008.
Amoruso, A., Crescentini, L., and Sabbetta, I.: Paired deformation sources of the Campi Flegrei caldera (Italy) required by recent(1980–2010) deformation history, J. Geophys. Res.-Solid Earth, 119, 858–879, 2014a.
Short summary
We present a numerical model to evaluate ground deformation and gravity changes as a response of the hydrothermal system perturbation (unrest) in a volcanic area. Temporal evolution of the ground deformation indicates that the contribution of thermal effects to the total uplift is almost negligible with respect to the pore pressure contribution during the first years, of the unrest, but increases in time and becomes dominant after a long period of the simulation.