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Nature Research, Nature, 6339(353), p. 37-43, 1991

DOI: 10.1038/353037a0

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Tomographic imaging of subducted lithosphere below northwest Pacific island arcs

Journal article published in 1991 by R. D. van der Hilst, Rob van der Hist, E. Robert Engdahl, Wim Spakman ORCID, Guust Nolet
This paper is available in a repository.
This paper is available in a repository.

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Abstract

The seismic tomography problem does not have a unique solution, and published tomographic images have been equivocal with regard to the deep structure of subducting slabs. An improved tomographic method, using a more realistic background Earth model and surface-reflected as well as direct seismic phases, shows that slabs beneath the Japan and Izu Bonin island arcs are deflected at the boundary between upper and lower mantle, whereas those beneath the northern Kuril and Mariana arcs sink into the lower mantle.