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Analysis of the magnetic anomaly field of the volcanic district of the Bay of Naples, Italy

Content Provider	Springer Nature Link
Author	Secomandi, M. Paoletti, V. Aiello, G. Fedi, M. Marsella, E. Ruggieri, S. D’Argenio, B. Rapolla, A.
Copyright Year	2005
Abstract	We here present and discuss the results of the analysis and qualitative interpretation of two magnetic surveys performed in the Bay of Naples in 1998 and 2000. A map of the Bay of Naples based on the data acquired during these surveys has already been published by the Italian CNR-IAMC Research Institute. We re-processed the same data to produce maps of the pole reduced, analytic signal and horizontal derivative data and correlated them with the bathymetry and the gravimetric data of the area. The analysis shows strong anomalies in the NW and NE volcanic areas of the Bay of Naples, while the central area seems magnetically quiet. In the Phlegrean area the maps clearly show the southern rim of the Phlegrean caldera and demonstrate that while the Magnaghi Canyon is correlated to gravimetric highs and magnetic structures, and can therefore be interpreted as an active lineament, most of Dohrn Canyon is not characterized by volcanic activity and does not correlate to any gravimetric or magnetic structures. An important round-shaped magnetic anomaly is for the first time identified in the central slope of the gulf between the two canyons, probably correlated to a large buried volcanic edifice. In the Vesuvian area some intense circular anomalies, aligned in the NNW–SSE direction, are localized in the Torre del Greco and Torre Annunziata offshore, related to the submerged part of Vesuvius and possibly connected to buried vents.
Starting Page	207
Ending Page	221
Page Count	15
File Format	PDF
ISSN	00253235
Journal	Marine Geophysical Researches
Volume Number	24
Issue Number	3-4
e-ISSN	15730581
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2005-07-30
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Bay of Naples gravity field magnetic field Phlegrean offshore Vesuvius offshore Geosciences Geophysics/Geodesy Oceanography Offshore Engineering
Content Type	Text
Resource Type	Article
Subject	Geochemistry and Petrology Geophysics Oceanography

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