Articles | Volume 52
05 Mar 2020
 | 05 Mar 2020

Time evolution of medium and long-period ground tilting at Campi Flegrei caldera

Simona Petrosino, Ciro Ricco, Enza De Lauro, Ida Aquino, and Mariarosaria Falanga

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Cited articles

Aquino, I., Ricco, C., Del Gaudio, C., Augusti, V., and Scarpato, G.: Potenziamento delle Reti Tiltmetriche nell'area vulcanica campana: rapporto sull'attività svolta nell'ambito del progetto vulcamed, Rapporti Tecnici INGV, 348, ISSN2039-6651, INGV, Rome, Italy, 2016. 
Ben-Zion, Y. and Allam, A. A.: Seasonal thermoelastic strain and postseismic effects in Parkfield borehole dilatometers, Earth Planet. Sc. Lett., 379, 120–126,, 2013. 
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Bottiglieri, M., Falanga, M., Tammaro, U., Obrizzo, F., De Martino, P., Godano, C., and Pingue, F.: Independent component analysis as a tool for ground deformation analysis, Geophys. J. Int., 168, 1305–1310,, 2007. 
Short summary
We analyse tiltmeter time series recorded from April 2015 to March 2019 at three borehole instruments installed at Campi Flegrei caldera (Italy). We evaluate the crustal response in terms of ground tilting to external excitations of medium/long-period tidal constituents. The results indicate that the tidal tilting is mainly controlled by the local stress field distribution and rheology; in addition, seasonal exogenous factors like rainfalls play a role in modulating the ground deformation.