Seismic evidence of an extended magmatic sill under Mt. Vesuvius.

Science

Dipartimento di Scienze Fisiche, Università di Napoli Federico II, Complesso di M. S. Angelo, Via Cinthia, 80124 Napoli, Italy.

Published: November 2001

Mt. Vesuvius is a small volcano associated with an elevated risk. Seismic data were used to better define its magmatic system. We found evidence of an extended (at least 400 square kilometers) low-velocity layer at about 8-kilometer depth. The inferred S-wave (approximately 0.6 to 1.0 kilometer per second) and P-wave velocities (approximately 2.0 kilometer per second) as well as other evidence indicate an extended sill with magma interspersed in a solid matrix.

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Source
http://dx.doi.org/10.1126/science.1064893DOI Listing

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