The theory developed in paper I* has been used to determine the influence of the focal radius on the P and S wave radiation from a spherical source on which the stress τz=Tyr0eivt acts. The result has been applied to two earthquakes of which the P and S wave distribution around the focus was studied in paper II. In an appendix, the present model of the focus is compared with similar models that are described in literature.


This bulletin p. 711

This bulletin p. 723

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