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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/4973

Authors: Paoletti, V.*
Rapolla, A.*
Secomandi, M.*
Title: Magnetic signature of submarine volcanoes in the Phlegrean Fields-Ischia Ridge (North-Western side of the Bay of Naples, Southern Italy)
Issue Date: Aug-2008
Series/Report no.: 4/51 (2008)
URI: http://hdl.handle.net/2122/4973
Keywords: Aeromagnetic survey
Submarine volcanoes
Phlegrean Fields-Ischia Ridge
Procida offshore
Abstract: This paper presents a study of the Phlegrean Fields-Ischia submarine ridge by the analysis and interpretation of high-resolution aeromagnetic data recently acquired in the Western Procida offshore. The investigated area is located along the ridge connecting Ischia to the Phlegrean Fields and is characterized by the existence of several monogenetic volcanoes aligned on a NE-SW system of faults. The high-resolution magnetic data yielded new information on the area, highlighting particularly the signature of a volcanic body located between Pt. Serra and the Ruommoli shoal. This structure has not been clearly described before and we named it as the Pt. Serra submarine volcano. The computation of the analytic signal and horizontal gradient of the data distinctly located this structure and definined the position of its rims. A 2D modeling and 3D inversion of data provided information on the volcano’s thickness, width and magnetization, disclosing a meaningful igneous body extending down to several hundred meters b.s.l.
Appears in Collections:04.02.99. General or miscellaneous
Annals of Geophysics

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