| 1739年平罗8.0级地震的发震构造及其孕育特征 |
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| 引用本文： | 李孟銮,万自成.1739年平罗8.0级地震的发震构造及其孕育特征[J].地震地质,1984,6(3):23. |
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| 作者姓名： | 李孟銮 万自成 |
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| 作者单位： | 宁夏回族自治区地震局
(李孟銮)，宁夏回族自治区地震局(万自成) |
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| 摘 要： | 本文在讨论了宁夏北部区域地质基本特征的基础上,指出1739年平罗8.0级地震的发震构造是银川—平罗间呈北北东方向展布的断裂。利用“组合模式”就该地震的孕育特征进行了初步分析,阐述了积累单元和调整单元的空间位置及特征
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| 关 键 词： | 海原8.5级地震 银川断陷 发震构造 断陷盆地 贺兰山 华北块体 区域应力场 新生代 发震断层 中生代 |
CHARACTERISTICS OF THE EARTHQUAKE-GENERATING STRUCTURES FOR MAGNITUDE 8.0 PINGLUO EARTHQUAKE OF 1739 AND THE PROCESS OF ITS PREPARATION |
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| Abstract: | Following the discussion of regional-geological characteristics of the northern part of Ningsia, it is indicated that the earthquake-generating structures for the Pingluo quake (M=8.0) of 1739 is held to be NNE-striking Huanghe River fault lying at the Yinchuang-Pingluo area. This paper is an analysis of the characterized preparation the shock in terms of a generalized focal model and an elucidation of the spatial position and characteristics for the structural elements |
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