Upper mantle anisotropy beneath Australia and Tahiti from P wave polarization: Implication for real-time earthquake location
We report measurements of long-period P wave polarization (Ppol) in Australia and Tahiti made by combining modeling of the polarization deviation and harmonic analysis. The analysis of the deviation of the horizontal polarization of the P wave as a function of event back azimuth may be used to obtain information about (1) sensor misorientation, (2) dipping discontinuities, (3) seismic anisotropy, and (4) velocity heterogeneities beneath a seismic station. The results from harmonic analysis and...[Show more]
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|Source:||Journal of Geophysical Research|
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