| 用于地震可预测性CSEP计划的南北地震带地区地震最小完整性震级Mc研究 |
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| 引用本文： | 韩立波,蒋长胜,李艳娥,郭祥云.用于地震可预测性CSEP计划的南北地震带地区地震最小完整性震级Mc研究[J].中国地震研究,2012,26(4):432-443. |
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| 作者姓名： | 韩立波 蒋长胜 李艳娥 郭祥云 |
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| 作者单位： | 中国地震局地球物理研究所, 北京 100081;中国地震局地球物理研究所, 北京 100081;中国地震局地球物理研究所, 北京 100081;中国地震局地球物理研究所, 北京 100081 |
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| 基金项目： | jointly sponsored by the Youth Fund Progamm of the National Natural Science Foundation of China ( 40804010 );the Central-level Basic Science Programm of Institute of Geophysics,CEA (DQJB10B23) |
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| 摘 要： | To determine the studying region of China Testing Center of the Collaboratory for the Study of Earthquake Predictability (CSEP), we adopted the Entire-Magnitude-Range (EMR) method to study the spatial distribution of minimum magnitude of completeness (MC) in the North-South Trending Seismic Belt (NSTSB) during the period from October 1, 2008 to May 31, 2011. Also bootstrap testing was performed to estimate the uncertainty of MC, i.e. δMC. The results show that MC (EMR)=1.6±0.03 for the whole region. From the spatial distributions of MC we find that MC is in the range of ML1.3～2.0 for most regions. Specifically, the spatial distribution of MC is consistent with the distribution of stations indicating high monitoring level in the southern part and low monitoring level in the northern part. Events located with less than three stations have great influence on Mc. Moreover, the uncertainty of minimum magnitude of completeness δMC ranges from 0.07 to 0.22. The spatial distribution of δMC agrees with the seismic rate. The shorter time span may cause larger δMC.
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| 关 键 词： | Earthquake Predictability CSEP Minimum magnitude of completeness (MC) Entire-Magnitude-Range (EMR) method |
| 收稿时间： | 2011/7/14 0:00:00 |
| 修稿时间： | 9/1/2011 12:00:00 AM |
Study of Minimum Magnitude of Completeness in North-South Trending Seismic Belt for the Collaboratory for the Study of Earthquake Predictability Project1 |
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| Han Libo,Jiang Changsheng,Li Yan''e and Guo Xiangyun.Study of Minimum Magnitude of Completeness in North-South Trending Seismic Belt for the Collaboratory for the Study of Earthquake Predictability Project1[J].Earthquake Research in China,2012,26(4):432-443. |
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| Authors: | Han Libo Jiang Changsheng Li Yan'e and Guo Xiangyun |
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| Institution: | Institute of Geophysics, CEA, Beijing 100081, China;Institute of Geophysics, CEA, Beijing 100081, China;Institute of Geophysics, CEA, Beijing 100081, China;Institute of Geophysics, CEA, Beijing 100081, China |
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| Abstract: | |
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| Keywords: | Earthquake Predictability CSEP Minimum magnitude of completeness (MC) Entire-Magnitude-Range (EMR) method |
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