New Insights into the Seismogenic Structures of the Two Destructive Earthquakes in Liyang, Jiangsu Province

详细信息   

• 责任者：Hou Kangming (Earthquake Administration of Jiangsu Province ; Nanjing 210014 ; China) ; Xiong Zhen
• 刊名：Seismology and Geology
• 出版年：2012
• 卷期：34(2)
• 关键词：强震 ; strong earthquakes ; 孕震构造 ; seismogenic tectonics ; 江苏 ; Jiangsu Province
• 页码：p.303-312
• 图表：4 illus., 7 refs.
• 分类号：0500
• issnNo：ISSN0253-4967
• isbnNo：CN11-2192/P

摘要

///Two destructive earthquakes occurred in the southern Liyang region, Jiangsu Province in 1974 and 1979, with magnitude 5.5 and 6, respectively.  In recent years, more in-depth studies were conducted in this region, e.g. shallow seismic prospecting, high density electric prospecting, drilling exploration and seismic geological investigation. The results show that the main shocks and the aftershocks of the two earthquakes are all distributed along the Jintan-Nandu fault located 2 km east of the Maodong fault. Both main shocks are located at the intersection of the southern segment of Jintan-Nandu fault and the near-EW-trending Liyang-Nandu fault. Thus,the authors conclude that the Jintan-Nandu fault is the major seismogenic fault for both Liyang earthquakes.