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| 引用本文： | 张丽芬,姚运生,李井冈,吴海波.?????????????????????????????[J].大地测量与地球动力学,2013,33(2):27-30. |
| 作者姓名： | 张丽芬 姚运生 李井冈 吴海波 |
| 作者单位： | 1. 中国地震局地震研究所(地震大地测量重点实验室),武汉430071;中国地震局地球物理研究所,北京100081 2. 中国地震局地震研究所(地震大地测量重点实验室),武汉,430071 |
| 基金项目： | 中国长江三峡工程开发总公司专项基金，中国地震局地震研究所所长基金 |
| 摘 要： | ??????????????????????????????????????ī?ML2.0??????????????????????????????????????????????????5.0 Hz?????????????????????2.5??4.5 Hz??????????С???????????????????ú?????????????????????????й?????????????????????????????????????????????????????? |
| 关 键 词： | ??????? ????????? ?????? ??????? ?????? |
| 收稿时间： | 2012-12-25 |
CORNER FREQUENCY CHARACTERISTIC OF TECTONIC EARTHQUAKES AND COLLAPSED ONES IN THREE GORGES REGION |
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| Zhang Lifen,Yao Yunsheng,Li Jinggang,Wu Haibo.CORNER FREQUENCY CHARACTERISTIC OF TECTONIC EARTHQUAKES AND COLLAPSED ONES IN THREE GORGES REGION[J].Journal of Geodesy and Geodynamics,2013,33(2):27-30. | |
| Authors: | Zhang Lifen Yao Yunsheng Li Jinggang Wu Haibo |
| Institution: | 1）Key Laboratory of Earthquake Geodesy, Institute of Seismology, CEA, Wuhan 430071 2）Institute of Geophysics, CEA, Beijing 100081 |
| Abstract: | Statistical analysis on the earthquakes with magnitude greater than 2.0 in the Three Gorges area shows that the tectonic earthquake and collapsed earthquake have different corner frequency. The majority of the former is above 5.0Hz, and that of the latter is comparatively lower, around 2.5～4.5Hz. It can be taken as a identification basis, whereas, in real application, we should make comprehensive analysis of many other parameters. The collapsed earthquakes mainly occurred in the region with many mines and Karst, such as Xietan, Zigui county, Huofeng, Badong and so on. And the tectonic ones are prone to occur along the faults. |
| Keywords: | tectonic earthquake collapsed earthquake corner frequency Three Gorges reservoir statistical analysis |
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