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题名: To understand earthquake from the granular physics point of view-causes of earthquakes, earthquake precursors and prediction
作者: Lu, KQ ;  Hou, MY ;  Jiang, ZH ;  Wang, Q ;  Sun, G ;  Liu, JX
刊名: ACTA PHYSICA SINICA
出版日期: 2012
卷号: 61, 期号:11, 页码:119103
关键词: WENCHUAN EARTHQUAKE ;  SLIP ;  MECHANISM ;  MODEL
学科分类: Physics
通讯作者: Lu, KQ (reprint author), Chinese Acad Sci, Key Lab Soft Matter Phys, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China.
部门归属: [Lu Kun-Quan; Hou Mei-Ying; Wang Qiang; Sun Gang] Chinese Acad Sci, Key Lab Soft Matter Phys, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China; [Jiang Ze-Hui] Harbin Inst Technol, Dept Appl Phys, Harbin 150001, Peoples R China; [Liu Ji Xing] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: To recognize the seismogenic process, mechanism and behavior of seismic precursors, as well as look for the ways of earthquake prediction the granular physics principle is applied based on the basic structure of the crust and mantle and existing experimental observations, where we treat the earth crust and mantle as large scale discrete matters. Main outcomes are: A granular model of the structure and movement of the earth crust and mantle is established. A formation mechanism of the tectonic forces, which causes the earthquakes, and a model of propagation for precursive signals are proposed. Properties of the seismic precursive signal and its relevance with the earthquake occurrence are illustrated, and principle of ways to detect the effective seismic precursor is elaborated. In the paper the mechanism of palintectic earthquake is also explained by the jamming-unjamming transition of the granular flow. Some earthquake phenomena which were previously difficult to understand are explained, and the predictability of the earthquake is discussed. Due to the discrete nature of the earth crust and mantle, the continuum theory no longer applies during the quasi-static seismogenic process. In all in this paper, based on granular physics, we study the causes of earthquakes, earthquake precursors and earthquake prediction, and a new understanding, different from the traditional seismological point of view, is obtained.
资助者: Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-SW-W15, KKCX1-YW-03]; National Natural Science Foundation of China [10374111, 11034010]; Special Fund for Earthquake Research of China [201208011]
收录类别: SCI
语种: 中文
WOS记录号: WOS:000305377400001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15086
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Lu, KQ,Hou, MY,Jiang, ZH,et al. To understand earthquake from the granular physics point of view-causes of earthquakes, earthquake precursors and prediction[J]. ACTA PHYSICA SINICA,2012,61(11):119103.
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