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High-frequency Po/So guided waves in the oceanic lithosphere: II-heterogeneity and attenuation

Kennett, Brian; Furumura, Takahashi; Zhao, Yan


In the western Pacific, high-frequency seismic energy is carried to very great distances from the source. The Po and So phases with observed seismic velocities characteristic of the mantle lithosphere have complex and elongated waveforms that are well explained by a model of stochastic heterogeneity. However, in the eastern part of the Pacific Basin equivalent paths show muted Po and weak, or missing, So. Once established, it is hard to eliminate such guided Po and So energy in the mantle...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Geophysical Journal International
DOI: 10.1093/gji/ggu286


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