Multiscale Inhomogeneities on the Surface of the Earth’s Inner Core

Analysis of differential travel-time residuals of reflected PcP and PKiKP waves that probe the core regions under Eurasia, Southeast Asia, and South America indicates a mosaic picture of the surface properties of the inner core, including large-scale and small-scale lateral inhomogeneities. A strong...

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Bibliographic Details
Published in:Doklady earth sciences 2024-08, Vol.517 (2), p.1361-1365
Main Authors: Ovtchinnikov, V. M., Usoltseva, O. A.
Format: Article
Language:English
Subjects:
Core analysis
Earth and Environmental Science
Earth core
Earth Sciences
Earth surface
Geophysics
Inhomogeneity
Surface properties
Travel time
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Summary:Analysis of differential travel-time residuals of reflected PcP and PKiKP waves that probe the core regions under Eurasia, Southeast Asia, and South America indicates a mosaic picture of the surface properties of the inner core, including large-scale and small-scale lateral inhomogeneities. A strong anomaly has been discovered under the Caspian Sea.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X24601056