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Authors: De Novellis, Vincenzo* 
Atzori, Simone* 
De Luca, C.* 
Manzo, M.* 
Valerio, E.* 
Bonano, M.* 
Cardaci, C.* 
Castaldo, R.* 
Di Bucci, Daniela* 
Manunta, M.* 
Onorato, G* 
Pepe, S.* 
Solaro, Giuseppe* 
Tizzani, P.* 
Zinno, Ivana* 
Neri, Marco* 
Lanari, R.* 
Casu, F.* 
Title: DInSAR Analysis and Analytical Modeling of Mount Etna Displacements: The December 2018 Volcano‐Tectonic Crisis
Journal: Geophysical Research Letters 
Series/Report no.: /46 (2019)
Issue Date: 2019
DOI: 10.1029/2019GL082467
Abstract: We investigate the 24–27 December 2018 eruption of Mount Etna occurred from fissures located on the volcano eastern flank and accompanied by a seismic swarm, which was triggered by the magma intrusion and continued for weeks after the end of the eruption. Moreover, this swarm involved some of the shallow volcano‐tectonic structures located on the Mount Etna flanks and culminated on 26 December with the strongest event (ML 4.8), occurred along the Fiandaca Fault. In this work, we analyze seismological data and Sentinel‐1 Differential Interferometric Synthetic Aperture Radar (DInSAR) measurements, the latter inverted through analytical modeling. Our results suggest that a dike source intruded, promoting the opening of the eruptive fissures fed by a shallower dike. Moreover, our findings indicate that the activation of faults in different sectors of the volcano may be considered as a response to accommodate the deformations induced by the magma volumes injection.
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