Seismic Evidence of an Extended Magmatic Sill Under Mt. Vesuvius
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 inferred S-wave (~0.6 to 1.0 kilometer per second) and P-wave velocities (~2.0 kilometer per second) as well as other evidence indicate an extended sill with magma interspersed in a solid matrix.
- Publication:
-
Science
- Pub Date:
- November 2001
- DOI:
- 10.1126/science.1064893
- Bibcode:
- 2001Sci...294.1510A
- Keywords:
-
- GEOCHEM PHYS