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Evidence for Unusually Strong Near-field Ground Motion on the Hanging Wall of the San Fernando Fault during the 1971 Earthquake

Allen, Clarence R. and Brune, James N. and Cluff, Lloyd S. and Barrows, Allan G., Jr. (1998) Evidence for Unusually Strong Near-field Ground Motion on the Hanging Wall of the San Fernando Fault during the 1971 Earthquake. Seismological Research Letters, 69 (6). pp. 524-531. ISSN 0895-0695. http://resolver.caltech.edu/CaltechAUTHORS:20140910-092137385

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Abstract

Reports of unusually intense ground motions in the very near fields of faults that have ruptured during earthquakes are becoming more common, particularly with the markedly increased worldwide strong-motion instrumentation in recent years (e.g., Heaton and Wald, 1994). The reported ground motions are sufficiently strong to have significant potential engineering impact (Hall et al., 1995). In addition to fault proximity, two other factors that have contributed to unusually high strong motions are rupture directivity (e.g., Somerville et al., 1997) and locations on the hanging walls of thrust faults (e.g., Nason, 1973; Abrahamson and Somerville, 1996; Brune, 1996a; Brune, 1996b). Perhaps nowhere has the sharp distinction between damage on the hanging wall and footwall of a thrust fault been more dramatically documented than during the 1945 Mikawa earthquake, Japan (Iida, 1985).


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1785/gssrl.69.6.524DOIArticle
http://srl.geoscienceworld.org/content/69/6/524PublisherArticle
Additional Information:© 1998 Seismological Society of America.
Record Number:CaltechAUTHORS:20140910-092137385
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140910-092137385
Official Citation:Clarence R. Allen, James N. Brune, Lloyd S. Cluff, and Allan G. Barrows, Jr. Evidence for Unusually Strong Near-field Ground Motion on the Hanging Wall of the San Fernando Fault during the 1971 Earthquake Seismological Research Letters, November/December 1998, v. 69, p. 524-531, doi:10.1785/gssrl.69.6.524
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49524
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:10 Sep 2014 19:53
Last Modified:10 Sep 2014 19:53

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