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INSTITUTE OF TECHNOLOGY, SAINT LOUIS UNIVERSITY,, SAINT LOUIS, MISSOURI
SEISMOGRAPHIC STATION, UNIVERSITY OF CALIFORNIA,, BERKELEY, CALIFORNIA
Abstract
The questions usually discussed with respect to the use of S waves in determining the character of an earthquake focus concern the ambiguity of the fault-plane solution from P waves and the problem of a single couple vs. a double couple as the model of an earthquake focus. Recent papers on the subject of earthquake mechanisms bring forward more basic questions concerning the adequacy of focal models. The theory of point sources and previous applications of S waves to mechanism studies are reviewed as guides to further investigation.
Footnotes
Condensed from a Ph.D. dissertation on file in the Library of the University of California.
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