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Authors: Bortoluzzi, G.*
Aliani, S.*
Ligi, M.*
D'Oriano, F.*
Riminucci, F.*
Carmisciano, C.*
Cocchi, L.*
Muccini, F.*
Title: Multidisciplinary Investigations at Panarea (Aeolian Islands) after the exhalative crisis of 2002-11-02
Issue Date: 2010
Keywords: Bathymetry
gravity data
oceanographical measurements
Aeolian Islands
gas eruption
Abstract: Panarea and surrounding Islets form a volcanic edifice, that is part of the Eastern sector of the Aeolian Arc, Southern Tyrrhenian Sea. It is now considered inactive, since last documented activity is 20 Ka old. However, on 2002-11-02, gas started to flow violently from the seafloor in the caldera E of the Island, mainly along NE and NW structural lineaments, and lasting up to 2003-2004 with a consistent flux, orders of magnitude larger that 'steady-state' fumarolic activity documented there in historical times. On the same period a strong effusive activity of Stromboli (10 NM to NNE) was present. Since then, several investigations have been conducted by most important research Institutions at sea and on land, with the aim of focusing the problem, mainly in the light of volcanic surveillance and risk. Among these investigations, some of which have been repeated over years, we present and discuss some data and results from: (a) visual inspection and sampling by divers and ROV, (b) GPS networks and mapping by multibeam and LIDAR, (c) oceanographical measurements by current meters and CTD and water flux and dynamics measurements, (d) magnetic and gravimetric surveys, (e) refraction (OBS and land station networks) and multichannel reflection Seismic, (f) microbiological analysis. Data will be used for compilation of high resolution bathymetric, magnetic and gravimetric maps jointly with data collected by ISMAR since early'90, including the emerged and submerged portions of the edifice.
Appears in Collections:04.04.04. Marine geology
04.02.02. Gravity methods
04.03.04. Gravity anomalies
04.02.07. Instruments and techniques

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