Seismic Evidence of an Extended Magmatic Sill under Mt. Vesuvius
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...
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Veröffentlicht in: | Science (American Association for the Advancement of Science) 2001-11, Vol.294 (5546), p.1510-1512 |
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creator | Auger, Emmanuel Gasparini, Paolo Virieux, Jean Zollo, Aldo |
description | 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. |
doi_str_mv | 10.1126/science.1064893 |
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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.</description><identifier>ISSN: 0036-8075</identifier><identifier>EISSN: 1095-9203</identifier><identifier>DOI: 10.1126/science.1064893</identifier><identifier>PMID: 11711671</identifier><identifier>CODEN: SCIEAS</identifier><language>eng</language><publisher>Washington, DC: American Society for the Advancement of Science</publisher><subject>Air guns ; Continental crust ; Crystalline rocks ; Earth sciences ; Earth, ocean, space ; Engineering and environment geology. 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Vesuvius</atitle><jtitle>Science (American Association for the Advancement of Science)</jtitle><addtitle>Science</addtitle><date>2001-11-16</date><risdate>2001</risdate><volume>294</volume><issue>5546</issue><spage>1510</spage><epage>1512</epage><pages>1510-1512</pages><issn>0036-8075</issn><eissn>1095-9203</eissn><coden>SCIEAS</coden><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.</abstract><cop>Washington, DC</cop><pub>American Society for the Advancement of Science</pub><pmid>11711671</pmid><doi>10.1126/science.1064893</doi><tpages>3</tpages></addata></record> |
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subjects | Air guns Continental crust Crystalline rocks Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Exact sciences and technology Geophysics Igneous and metamorphic rocks petrology, volcanic processes, magmas Italy Magma Natural hazards: prediction, damages, etc Rocks Seismological research Volcanoes Volcanology Wave velocity |
title | Seismic Evidence of an Extended Magmatic Sill under Mt. Vesuvius |
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