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Note on the determination of the earthquake mechanism by S waves

INSTITUTE OF GEOPHYSICS NATIONAL UNIVERSITY OF MEXICO CIUDAD UNIVERSITARIA, MEXICO CITY, Mexico

Abstract

Various methods have been devised for determining the nature of the forces which give rise to the seismic wave motions. To determine the direction of motion along the fault-plane, the direct computational technique to be proposed in this paper is an analytical modification of Adams' technique (1958) by means of determinants. This paper is concerned with the derivation of equations for computing the direction cosines of the "direction of motion" for a type I source, i.e., a couple of two equal and opposite forces with moment acting at the focus of the earthquake.

This article has been cited by other articles:

				A. E. STEVENS Earthquake mechanism determination by S-wave data Bulletin of the Seismological Society of America, April 1, 1964; 54(2): 457 - 474. [Abstract] [PDF]