Summary
This paper compares the A/T curve of the intermediate (BC) branch of the short period PKP waves recorded at Macedonian seismological stations from sources in the SW Pacific Ocean with the A/T curves from theoretical seismograms, calculated under the assumption that the BC branch for distances over about 151° is due to diffraction at the inner core boundary.
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References
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Janský, J., Janská, Š. Intermediate branch ofPKP waves. Stud Geophys Geod 24, 131–135 (1980). https://doi.org/10.1007/BF01634406
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DOI: https://doi.org/10.1007/BF01634406