Articles | Volume 6, issue 4
Solid Earth, 6, 1207–1229, 2015
Solid Earth, 6, 1207–1229, 2015

Research article 10 Nov 2015

Research article | 10 Nov 2015

Poroelastic responses of confined aquifers to subsurface strain and their use for volcano monitoring

K. Strehlow et al.

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Cited articles

Adam, L. and Otheim, T.: Elastic laboratory measurements and modeling of saturated basalts, J. Geophys. Res.-Sol. Ea., 118, 840–851, 2013.
Bonaccorso, A., Calvari, S., Linde, A., Sacks, S., and Boschi, E.: Dynamics of the shallow plumbing system investigated from borehole strainmeters and cameras during the 15 March, 2007 Vulcanian paroxysm at Stromboli volcano, Earth Planet. Sc. Lett., 357–358, 249–256, 2012.
Biot, M. A.: Mechanics of Deformation and Acoustic Propagation in Porous Media, J. Appl. Phys., 33, 1482–1498, 1962.
Chiodini, G., Caliro, S., De Martino, P., Avino, R., and Gherardi, F.: Early signals of new volcanic unrest at Campi Flegrei caldera? Insights from geochemical data and physical simulations, Geology, 40, 943–946, 2012.
COMSOL: COMSOL Subsurface Flow Module User's Guide, Version 4.4, COMSOL, 2013.
Short summary
When magma chambers inflate, they deform the surrounding Earth’s crust. This deformation affects the pore space available for the water in local aquifers, which in turn leads to pressure variations and water table changes. We can observe these changes in wells, and this study investigates if and how we can utilize them for volcano monitoring. Results show that the hydrological response to deformation helps unravelling subsurface magmatic processes, valuable information for eruption forecasting.