GIS applications in volcano monitoring: the study of seismic swarms at the Campi Flegrei volcanic complex, Italy
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Published:2021-02-23
Issue:
Volume:52
Page:131-144
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ISSN:1680-7359
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Container-title:Advances in Geosciences
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language:en
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Short-container-title:Adv. Geosci.
Author:
Bellucci Sessa ElianaORCID, Castellano Mario, Ricciolino Patrizia
Abstract
Abstract. Campi Flegrei caldera (Southern Italy) is one of the most
hazardous volcanic complexes in the world since it is located inside the
densely inhabited urban district of Naples-Pozzuoli. In the past, the
caldera has produced devastating to moderate eruptions and periodically
undergoes from strong to minor uplift episodes, named “bradyseism”, almost
always accompanied by seismic swarms. Starting from 2005 Campi Flegrei has
undergone an unrest crisis, characterized by ground uplift, localized gas
emissions and seismicity, often occurring in seismic swarms. As a
consequence, the monitoring activities have been progressively increasing,
producing a huge amount of data, difficult to manage and match. GIS
(Geographical Information System) represents a potent tool to manage great
quantity of data, coming from different disciplines. In this study, we show
two GIS technology applications to the seismic catalogue of Campi Flegrei.
In the first one, a high-quality dataset is extracted from the GeoDatabase addressed to
seismological studies that require high precision earthquake locations. In
the second application, GIS are used to extract, visualize and analyse the
typical seismic swarms of Campi Flegrei. Moreover, density and seismic
moment distribution maps were generated for these swarms. In the last
application, the GIS allow to highlight a clear variation in the temporal
trend of the seismic swarms at Campi Flegrei.
Publisher
Copernicus GmbH
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