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Authors: De Ritis, R.*
Blanco-Montenegro, I.*
Ventura, G.*
Chiappini, M.*
Title: Aeromagnetic data provide new insights on the volcanism and tectonics of Vulcano Island and offshore areas (southern Tyrrhenian Sea, Italy)
Title of journal: Geophys. Res. Lett.
Series/Report no.: /32 (2005)
Issue Date: 2005
DOI: 10.1029/2005GL023465
Keywords: Aeromagnetic survey
Vulcano island
Tyrrhenian sea
Abstract: The active Vulcano Island (Southern Tyrrhenian Sea) represents the southernmost portion of a NW-SE elongated volcanic ridge that includes also Lipari and Salina islands. The ridge is affected by a regional, NW-SE to N-S striking fault system. The elaboration and analysis of data from three high-resolution aeromagnetic surveys carried out between 1999 and 2004 on Vulcano and offshore allow us to recognize high intensity magnetic anomalies related to volcanic centers/conduits or shallow intrusions. Previously unreported offshore submarine vents have been also recognized. Some of them may correspond with source areas of outcropping exotic pyroclastics on Vulcano. The spatial analysis of the recognized magnetic anomalies and volcanic structures shows that they are preferably aligned along the strikes of the main regional faults that affect the volcanic ridge. Submarine volcanic conduits revealed by the aeromagnetic survey might represent potential sources for future submarine, effusive or explosive activity.
Appears in Collections:04.05.04. Magnetic anomalies
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