Bulletin of the Seismological Society of America
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Bulletin of the Seismological Society of America; April 1961; v. 51; no. 2; p. 223-225
© 1961 Seismological Society of America
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Free spheroidal oscillations of the earth

H. TAKEUCHI and N. KOBAYASHI

GEOPHYSICAL INSTITUTE, TOKYO UNIVERSITY,, TOKYO, Japan
DEPARTMENT OF PRECISION MECHANICS, FACULTY OF TECHNOLOGY, CHuO UNIVERSITY,, TOKYO, Japan

Abstract

Free periods of the earth's spheroidal oscillations are calculated for the wave numbers n up to 16. The earth's sphericity, self-gravitation and a liquid core are taken into account. Period-wave number and period-phase velocity relations obtained are shown in Figs. 1 and 2, respectively.






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