Seismic Evidence of an Extended Magmatic Sill Under Mt. Vesuvius
- 16 November 2001
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 294 (5546) , 1510-1512
- https://doi.org/10.1126/science.1064893
Abstract
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 inferredS-wave (∼0.6 to 1.0 kilometer per second) andP-wave velocities (∼2.0 kilometer per second) as well as other evidence indicate an extended sill with magma interspersed in a solid matrix.Keywords
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