| 甘肃天水地区1654年罗家堡7(1)/(2)级地震构造背景的初步分析 |
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| 引用本文： | 白启圣,王之佩.甘肃天水地区1654年罗家堡7(1)/(2)级地震构造背景的初步分析[J].西北地震学报,1984,6(1):65-71. |
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| 作者姓名： | 白启圣 王之佩 |
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| 作者单位： | 国家地震局地震学校
(白启圣)，国家地震局地震学校(王之佩) |
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| 摘 要： | 本文从分析天水地区区域地质构造背景出发着重指出,1654年罗家堡7(1/2)级地震发生在天礼盆地中北东向构造与北北西向活动构造交汇所形成的新生代以来沉陷最深的部位。并对1936年天水镇6级地震发生的构造条件以及天礼盆地的成因进行了初步探讨。
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| 收稿时间： | 1981/6/12 0:00:00 |
ELEMENTARY ANALYSIS OF GEOTECTONIC BACKGROUND FOR 1654 LOJIAPO EARTHQUAKE (Ms=7(1)/(2))IN THE TIANSHUI AREA, KANSU PROVINCE |
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| Bai Qi-sheng and Wang Zhi-pei.ELEMENTARY ANALYSIS OF GEOTECTONIC BACKGROUND FOR 1654 LOJIAPO EARTHQUAKE (Ms=7(1)/(2))IN THE TIANSHUI AREA, KANSU PROVINCE[J].Northwestern Seismological Journal,1984,6(1):65-71. |
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| Authors: | Bai Qi-sheng and Wang Zhi-pei |
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| Institution: | Seismological School, State Seismological Bureau and Seismological School, State Seismological Bureau |
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| Abstract: | Based upon the analysis of regional geotectonic background of the Tianshui area, in this paper it is emphatically pointed out that Lojiapo earthquake of magnitude 7(1)/(2) in 1654 occurred at the most deep depression of Tian-Li basin since Kainozoic Era, where the conjunction portion was formed as a result of the interaction of the structure in NE trend with active structure in NNW trend. The tectonic conditions of the occurrence of Tianshuizhen earthquake (Ms=6) in 1936 and the causes of the formation of Tian-Li basin are also discussed. |
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