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Nature Research, Scientific Reports, 1(5), 2015

DOI: 10.1038/srep13100

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Magma injection beneath the urban area of Naples: a new mechanism for the 2012–2013 volcanic unrest at Campi Flegrei caldera

Journal article published in 2015 by Luca D’Auria, Susi Pepe, Raffaele Castaldo, Flora Giudicepietro, Giovanni Macedonio ORCID, Patrizia Ricciolino, Pietro Tizzani, Francesco Casu, Riccardo Lanari, Mariarosaria Manzo, Marcello Martini, Eugenio Sansosti, Ivana Zinno
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

AbstractWe found the first evidence, in the last 30 years, of a renewed magmatic activity at Campi Flegrei caldera from January 2012 to June 2013. The ground deformation, observed through satellite interferometry and GPS measurements, have been interpreted as the effect of the intrusion at shallow depth (3090 ± 138 m) of 0.0042 ± 0.0002 km3 of magma within a sill. This interrupts about 28 years of dominant hydrothermal activity and occurs in the context of an unrest phase which began in 2005 and within a more general ground uplift that goes on since 1950. This discovery has implications on the evaluation of the volcanic risk and in the volcanic surveillance of this densely populated area.