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Tomographic imaging of subducted lithosphere below northwest Pacific island arcs

Nature

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, , , and

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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 surf ace-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.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Tomographic imaging of subducted lithosphere below northwest Pacific island arcs
Series title:
Nature
Volume
353
Issue:
6339
Year Published:
1991
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Nature
First page:
37
Last page:
43