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| 引用本文： | 路鹏,李志雄,吴婷,赵晓燕,刘学领.?й??????????????????????????????仯?????о?[J].大地测量与地球动力学,2007,27(4):112-118. |
| 作者姓名： | 路鹏 李志雄 吴婷 赵晓燕 刘学领 |
| 作者单位： | 1. 防灾科技学院,河北,065201 2. 武汉大学测绘学院,武汉,430079;中国地震局地震预测研究所,北京,100036 3. 中国地震局地震预测研究所,北京,100036 4. 天津市地震局,天津,300201 |
| 基金项目： | 地震科学联合基金(A07007) |
| 摘 要： | ?????й?????黮???????????????????GL???????????й???????105??E????????????????1975????????62??4.7?????????????????????????????д???????1??3????????????????????????仯??????????????м??????????????С???????????????????????????????????????????仯???????????????????????????λ?й????????С?????????仯?????????????????????????????????????????仯???????? |
| 关 键 词： | ????? ????????? ???????? ??????? ??????? |
| 文章编号： | 1671-5942（2007）04-0112-07 |
| 修稿时间： | 2007-04-21 |
ON TIME-VARYING FEATURES OF SEISMIC INHOMOGENEOUS DEGREE BEFORE STRONG EARTHQUAKE IN DIFFERENT TECTONIC ZONES OF EASTERN CHINA |
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| Lu Peng,Li Zhixiong,Wu Ting,Zhao Xiaoyan,Liu Xueling.ON TIME-VARYING FEATURES OF SEISMIC INHOMOGENEOUS DEGREE BEFORE STRONG EARTHQUAKE IN DIFFERENT TECTONIC ZONES OF EASTERN CHINA[J].Journal of Geodesy and Geodynamics,2007,27(4):112-118. | |
| Authors: | Lu Peng Li Zhixiong Wu Ting Zhao Xiaoyan Liu Xueling |
| Institution: | 1.College of Disaster Prevention Techniques, Hebei 065201 2.School of Geodesy and Geomatice, Wuhan University, Wuhan 430079 3.Institute of Earthquake Science, CEA, Beijing 100036 4.Tianjin Earthquake Administration, Tianjin 300201 |
| Abstract: | We analysed the results of the seismic inhomogeneous degree(GL value)before the 62 strong earthquakes of magnitudes more than 4.7 distributed in the Eastern China calculated by the regionally small earthquake catalogues based on the result of China active block dividing.The results show that there are obviously abnormal variations of the seismic inhomogeneous degree appeared one to three years before most of the events,and the middle and small seismicity around the epicenter of strong earthquake obviously changes from homogencity to inhomogencity in time distribution before some strong earthquakes.The appearing time and ending time of the state variation before strong earthquakes are related to the tectonic location of the earthquake.The variation of the regionally seismicity state may be the middle-term or short-term behavior of the stress change around the earthquake source. |
| Keywords: | active block seismic inhomogeneous degree regional seismicity time feature earthquake prediction |
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