Morpho-acoustic characterization of a shallow-water mud volcano offshore Scoglio d'Affrica (Northern Tyrrhenian Sea) responsible for a violent gas outburst in 2017
A violent gas outburst occurred offshore the Scoglio d'Affrica islet (Tuscan Archipelago, Northern Tyrrhenian
Sea) on March 16th 2017, with local fishermen observing columns of dirty water rising up to 10 m above the sea
surface. The integration of video footage and dissolved CH4 measurements collected 5 days after the event with
high-resolution multibeam data collected 4 months later, allowed us to characterize the source area of the
outburst, corresponding to a shallow-water mud volcano. The mud volcano covers an area of ca. 170,000 m2, has