History of Paleoseismic ActivityAlong the Hohhot Segment of Daqingshan Piedmont Fault in the Late Quaternary

查看全文 作　　者：Ran Yongkang and Zhang PeizhenInstitute of Geology, China Seismological Bureau, Beijing 100029, ChinaHu Bo and Guo WenshengSeismological Bureau of Nei Mongol Autonomous Region,Hohhot 010000, China

出　　处：《Earthquake Research in China》索引2001年第15卷第2期,共15页

基　　金：The research as one of the key project was supported by Joint Seismological Science Foundation grant 95-07-421. Contribution No. 2001 B001, Institute of Geology, China Seismological Bureau, China. 摘　　要：A detailed study on geomorphic surfaces and a set of trenches on the Hohhot segment of Daqingshan piedmont fault at three sites, Kuisu, Ulan Blang, and Qingshan Grassland, revealed 7 paleoseismic events occurred along the fault segment since 19 ka BP. Those events occurred at 18.75±.75 ka, 16.97 ±.96 ka, 14.65±.67 ka, 11.82±.69 ka, 9.45±.26 ka, 6. 83±.26 ka, and 4. 50 ±0. 23 ka BP, respectively, and their average recurrence interval is 2375±432 years. From the results of constraining fault displacement and correlation between the sediments in these trenches, we found a complete paleoseismic activity history along the fault segment during this period of time. 关键词：大青山山前地带断层呼和浩特市山沟古地震

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History of Paleoseismic ActivityAlong the Hohhot Segment of Daqingshan Piedmont Fault in the Late Quaternary

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