3-D Density Model Of Mt Etna Volcano (Southern Italy)

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Journal Article: 3-D Density Model Of Mt Etna Volcano (Southern Italy)

A detailed density model of Mt. Etna and its surrounding areas has been evaluated using a 3-D inversion of the gravimetric data acquired in the 1980's. Several high-density and low-density bodies are found, penetrating from shallow depths as far down as 12 km bsl. A positive correlation (in terms of location, extent, density, and velocity) is established between several anomalies of the density model and features identified in previously published seismic tomographies. A prominent high-density body extending down to 7 km bsl is recognized in the southern part of the Valle del Bove, and interpreted as a solidified magmatic intrusion. On the western boundary of this anomaly, a low-density body is interpreted as a bubble and liquid magma mixture. Outside the central area, three other high-density anomalies are imaged and attributed to the earliest phases of volcanic activity in the area. Several interesting low-density anomalies are also identified and correlated with known fault lines and other structural features of the region.

Domenico Schiavone and Mariano Loddo

Published Journal 
Journal of Volcanology and Geothermal Research, 2007

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Domenico Schiavone,Mariano Loddo. 2007. 3-D Density Model Of Mt Etna Volcano (Southern Italy). Journal of Volcanology and Geothermal Research. (!) .