Structure of the Lesser Antilles subduction forearc and backstop from 3D seismic refraction tomography
Tectonophysics(2013)
Abstract
In 2007 the Sismantilles II experiment was conducted to constrain structure and seismicity in the central Lesser Antilles subduction zone. The seismic refraction data recorded by a network of 27 OBSs over an area of 65km×95km provide new insights on the crustal structure of the forearc offshore Martinique and Dominica islands. The tomographic inversion of first arrival travel times provides a 3D P-wave velocity model down to 15km.
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Key words
Lesser Antilles subduction zone,3D seismic refraction tomography,Forearc crustal structure,Backstop
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