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Science 15 July 1977:
Vol. 197. no. 4300, pp. 257 - 259
DOI: 10.1126/science.197.4300.257
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Articles

High-Frequency Pn Phases Observed in the Pacific at Great Distances

DANIEL A. WALKER 1

1 Hawaii Institute of Geophysics, University of Hawaii, Honolulu 96822

Earlier observations of a seismic waveguide in the northwestern Pacific with a velocity of 8.3 kilometers per second to distances of approximately 30° are complemented by suggestions of a possible waveguide with a velocity of 7.8 kilometers per second to distances well in excess of 30°.

Submitted on September 14, 1976
Revised on January 4, 1977


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Numerical studies of the coda falloff rate of multiply scattered waves in randomly layered media.
W. MENKE and R. CHEN (1984)
Bulletin of the Seismological Society of America 74, 1605-1614
   Abstract »    PDF »
AAAS-Newcomb Cleveland Prize To Be Awarded for a Report or Article Published in Science.
(1978)
Science 199, 1333
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