The Talas-Fergana Fault, Kirghiz and Kazakh, USSR

Earthquake Information Bulletin (USGS)


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The great Talas-Fergana fault transects the Soviet republic of Kirghiz in Soviet Central Asia and extends southeastward into China and northwestward into Kazakh SSR (figs. 1 and 2). This great rupture in the Earth's crust rivals the San Andreas fault in California; it is long (approximately 900 kilometers), complex, and possibly has a lateral displacement of hundreds of kilometers similar to that on the San Andreas fault. The Soviet geologist V. S. Burtman suggested that right-lateral offset of 250 kilometers has occurred, citing a shift of Devonian rocks as evidence (fig. 3). By no means do all Soviet geologists agree. Some hold the view that there is no lateral displacement along the Talas-Fergana fault and that the anomalous distribution of Paleozoic rocks is a result of the original position of deposition. 

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Additional publication details

Publication type Article
Publication Subtype Journal Article
Title The Talas-Fergana Fault, Kirghiz and Kazakh, USSR
Series title Earthquake Information Bulletin (USGS)
Volume 8
Issue 4
Year Published 1976
Language English
Publisher U.S. Geological Survey
Description 10 p.
First page 4
Last page 13
Online Only (Y/N) N
Additional Online Files (Y/N) N