Antipodal waveform observations of seismic waves diffracting and refracting at the base of Earth's outer core

Butler, Rhett; Tsuboi, Seiji

doi:10.1016/j.pepi.2023.106988

Physics of the Earth and Planetary Interiors

2023

DOI: 10.1016/j.pepi.2023.106988

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Antipodal waveform observations of seismic waves diffracting and refracting at the base of Earth's outer core

Rhett Butler

Seiji Tsuboi

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2024

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Seismic Waves Penetrating the Earth’s Core: Analysis of Parameter Variations

Ovtchinnikov,

Usoltseva

2024

Russian Geology and Geophysics

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––The wavefield structure is studied from explosions within the Mururoa atoll based on seismic records from four stations (BCAO, KAAO, GRFO, BRVK) located at distances 152.1º, 152.4º, 143.6º, 141.7º, respectively. The cross-correlation analysis was used as the main tool of the similarity of explosion seismograms conducted at different times. It has been concluded that changes in correlation similarity in time are reconcilable with the hypothesis of differential rotation of the Earth’s inner core in the period from 1977 to 1991. The evidence of structural anomalies not only in the inner core but also in the outer core has been demonstrated.

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Seismic Waves Penetrating the Earth’s Core: Analysis of Parameter Variations

Ovtchinnikov,

Usoltseva

2024

Russian Geology and Geophysics

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show abstract

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Antipodal waveform observations of seismic waves diffracting and refracting at the base of Earth's outer core

Cited by 1 publication

References 67 publications

Seismic Waves Penetrating the Earth’s Core: Analysis of Parameter Variations

Seismic Waves Penetrating the Earth’s Core: Analysis of Parameter Variations

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