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Double-difference tomography at Mt Etna volcano: Preliminary results
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Abstract
We performed a preliminary double-difference tomographic study using
earthquake data recorded by the INGV-Catania seismic network during the
large seismic and eruptive crisis of 2002-2003 at Mt Etna volcano. Compared
to previous models, first results presented from the inversion of travel-time
differences, tend to show an increase in the velocity contrast between the fast
core and the slow periphery of the volcano