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Published January 1944 | Published
Journal Article Open

Travel times of principal P and S phases over small distances in southern California

Gutenberg, B.

Abstract

More than ten years ago the author published (Gutenberg, 1932) average travel-time curves for near-by shocks in southern California, I based on records of twenty-one shocks. Since then, additional shocks suitable for study have accumulated. From these, fifty shocks have been selected and studied in detail. Arrival times of all clearly marked phases were read repeatedly from originals as well as from enlarged copies, in which approximately 2 mm. correspond to 1 sec. Then each shock was studied separately.

Additional Information

Copyright © 1944 by the Seismological Society of America. Manuscript received for publication April 12, 1943.

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August 19, 2023
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