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Authors: Heinicke, J.* 
Italiano, F.* 
Maugeri, R.* 
Merkel, B.* 
Shipek, M.* 
Braun, T.* 
Title: Evidence of tectonic control on active arc volcanism: the Panarea-Stromboli tectonic link inferred by submarine hydrothermal vents monitoring (Aeolian arc, Italy)
Issue Date: Feb-2009
Series/Report no.: / 36 (2009)
DOI: 10.1029/2008GL036664
Keywords: submarine
hydrothermal vents
volcano monitoring
tectonic link
Subject Classification03. Hydrosphere::03.02. Hydrology::03.02.04. Measurements and monitoring 
Abstract: The combination of the latest geophysical instruments and geochemical methods applied to the arc volcanism (Aeolian islands, Italy) has given new insights on the role of active tectonics on fluids migration. A continuous monitoring of the hydrothermal system off the island of Panarea has shown contemporaneous modifications of the vented fluids and the seismic activity of the nearby Stromboli volcano. The almost contemporary start of the last volcanic crisis at Panarea and Stromboli in 2002, besides the contemporary variation of the 3He/4He ratios at both the islands and the large number of submarine crater-shaped structures at Panarea, bears testimony to interconnections between the volcanic edifices. To confirm a tectonic drive of magmatic fluids over volcanic arcs implies that episodes of volcanic unrest can be triggered by the tectonic activity increasing the volcanic risk for the whole area, and this might be the case of the Stromboli-Panarea volcanic complex
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