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Tripartite results for the Kamchatka earthquake of November 4, 1952^*

UNIVERSITY OF CALIFORNIA, BERKELEY, CALIFORNIA

Abstract

The tripartite technique was applied to all parts of the record following initial S. The results of this study indicate: (1) that the SV motion, extending from initial S to G, was a cohesive whole, not random motion, and is the result of continuous arrival of energy along paths of decreasing mantle penetration; and (2) that the SV-, Rayleigh-, and Love-wave arrivals were all deflected from the great-circle path. These results contrast sharply with results of earlier tripartite studies. The deflection is tentatively explained by a general downwarping of the equalvelocity surfaces in the mantle in the vicinity of the Aleutian tectonic welt.

Footnotes

^* Manuscript received for publication, September 3, 1954.

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