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Rupture along the Great Sumatran fault, Indonesia, during the earthquakes of 1926 and 1943

Untung, M. and Buyung, N. and Kertapati, E. and Undang, and Allen, C. R. (1985) Rupture along the Great Sumatran fault, Indonesia, during the earthquakes of 1926 and 1943. Bulletin of the Seismological Society of America, 75 (1). pp. 313-317. ISSN 0037-1106. http://resolver.caltech.edu/CaltechAUTHORS:20140902-141119912

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Abstract

While investigating features of Quaternary displacement along the Great Sumatran fault zone in the Padang Highlands of Sumatra, Indonesia (Figure 1), the authors incidentally came across heretofore unreported evidence of significant surficial displacements along the fault during the M_s = 6¾ earthquake of 28 June 1926 and the M_s = 7.6 earthquake of 9 June 1943. In both cases, eyewitness reports by long-term local residents allowed unequivocal documentation of the location and nature of the surficial fault displacements associated with the earthquakes, although it was only through the use of vertical aerial photographs to locate the active fault trace that it was possible to concentrate the questioning in promising areas. In every case, it was thus possible to locate the primary active fault trace to within a few hundred meters before commencing the search for local eyewitnesses.


Item Type:Article
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http://bssa.geoscienceworld.org/content/75/1/313.full.pdf+htmlPublisherArticle
Additional Information:© 1985, by the Seismological Society of America. Manuscript received 10 October 1984. In performing our field work in Sumatra, we appreciate the encouragement and support of John Katili, Director General of Geology and Mineral Resources of Indonesia. Hiroo Kanamori helped us considerably in the seismological interpretations.
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Caltech Seismological Laboratory4108
Record Number:CaltechAUTHORS:20140902-141119912
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140902-141119912
Official Citation:M. Untung, N. Buyung, E. Kertapati, Undang, and C. R. Allen Rupture along the Great Sumatran fault, Indonesia, during the earthquakes of 1926 and 1943 Bulletin of the Seismological Society of America, February 1985, v. 75, p. 313-317
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49136
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:03 Sep 2014 16:36
Last Modified:03 Sep 2014 16:36

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