SEISMOLOGY AND GEOLOGY ›› 1986, Vol. 8 ›› Issue (3): 1-9.
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Ge Shumo, Bo Meixiang, Xu Daozun, Xiang Zhiyong
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戈澍谟, 柏美祥, 徐道尊, 向志勇
Abstract: A number of buried traces associated with paleoearthquake have been found through large-scale excavation,conducted along the Koktokay-Ertai fault,the sites of Haizikou,Tuerhong.Laoshankou,Xinshankou and Ganqou etc.Based on available data of comparable Quaternary sediments and 14C dating,five paleoearthquakes may be determined.Calculations of the average rate of regional vertical deformation and fault slip yielded a value of 0.3-0.4mm/yr and 3.5mm/yr,respectively;it follows that for 10000 years,the average interoccurrence time for these events is 3150 years.
摘要: 可可托海一二台活断层(简称二台断层)是1931年富蕴8级地震的发震构造。在这条断层上地震历史的文字记载资料很少,19S1年综合研究富蕴地震断裂带时曾在地表发现过不少古地震遗迹。现代活断层研究,开挖已成为重要手段之一,藉以查明古地震事件、大地震复现期和断层活动速率。最近,我们在二台断层北起海子口、南至干沟等几个地段进行了大规模开挖,揭露出许多被掩埋的古地震遗迹,对解决二台断层的大震复现期和活动速率提供了依据。
Ge Shumo, Bo Meixiang, Xu Daozun, Xiang Zhiyong. RECURRENCE INTERVALS OF MAJOR EARTHQUAKES FOR THE KOKTOKAY-ERTAI FAULT[J]. SEISMOLOGY AND GEOLOGY, 1986, 8(3): 1-9.
戈澍谟, 柏美祥, 徐道尊, 向志勇. 可可托海-二台活断层的大地震复现期[J]. 地震地质, 1986, 8(3): 1-9.
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