Evidence of persistent seismo-volcanic activity at Marsili seamount

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Antonino D'Alessandro
Giorgio Mangano
Giuseppe D'Anna


The Marsili submarine volcano is the largest European volcano, and it can be considered as the key to our understanding of the dynamics of the spreading and back-arc lithosphere formation in the Tyrrhenian sector [Marani et al. 2004, and references therein]. Despite its size, it is very difficult to monitor due to its geographical position [D'Alessandro et al. 2011], and it still remains little known. In 2006, the Centro Nazionale Terremoti (National Earthquake Centre) of the Istituto Nazionale di Geofisica e Vulcanologia (INGV) deployed a broadband ocean-bottom seismometer with hydrophone (OBS/H) [Mangano et al. 2011] on the flat top of Marsili volcano, at a depth of ca. 790 m. In only nine days, the instrument recorded ca. 800 seismo-volcanic events [D'Alessandro et al. 2009]. This revealed the intense seismo-volcanic activity of Marsili volcano for the first time. […]


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D’Alessandro, A., Mangano, G. and D’Anna, G. (2012) “Evidence of persistent seismo-volcanic activity at Marsili seamount”, Annals of Geophysics, 55(2). doi: 10.4401/ag-5515.
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