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Apparent origin time of S̄

Gutenberg, B. and Richter, C. F. (1943) Apparent origin time of S̄. Bulletin of the Seismological Society of America, 33 (4). pp. 269-279. ISSN 0037-1106. doi:10.1785/BSSA0330040269.

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Representative travel times for 50 shocks in southern California indicate that transverse waves appear to leave the focus about half a second earlier, on the average, than longitudinal waves. If fault rupture is propagated with a speed greater than that of transverse waves, the originating of such waves along a moderately extended fault segment will completely explain the observations. An exact theory is given on the simplest assumptions.

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Additional Information:Copyright © 1943, by the Seismological Society of America. Manuscript received for publication March 1, 1943.
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Balch Graduate School of the Geological Sciences355
Issue or Number:4
Record Number:CaltechAUTHORS:20140731-152105119
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47738
Deposited By: George Porter
Deposited On:31 Jul 2014 22:32
Last Modified:10 Nov 2021 17:49

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