| Quantitative data about active tectonics and possible locations of strong earthquakes in the future in the northwestern Beijing |
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| 作者姓名： | 冉勇康 陈立春 徐锡伟 |
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| 作者单位： | RAN Yong-kang () CHEN Li-chun () XU Xi-wei () Institute of Geology，China Seismological Bureau，Beijing 100029，China |
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| 基金项目： | National major basic-theory planning project Mechanism and Prediction of Strong Earthquake (95130105) and the Key Project from China Seismological Bureau (95040803). |
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| 摘 要： | Introduction Northwestern Beijing covers the mountainous area from 114~116.5E and 39~41N, which is located at the joint place of the basically E-W trending Yanshan, the NE to NNE-trending Shanxi and the NW-trending ZhangjiakouPenglai active tectonic belts (regions). The long history of development and evolution in tectonics have formed the features of basin-range tectonics and multi-sets of fault systems with different ranges. Generally, they can be divided as NNE-NE, NNW-NW and appr…
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| 收稿时间： | 4 January 2001 |
| 修稿时间： | 13 August 2001 |
Quantitative data about active tectonics and possible locations of strong earthquakes in the future in the northwestern Beijing |
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| RAN Yong-kang,CHEN Li-chun,XU Xi-wei.Quantitative data about active tectonics and possible locations of strong earthquakes in the future in the northwestern Beijing[J].Acta Seismologica Sinica(English Edition),2001,14(5):534-546. |
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| Authors: | RAN Yong-kang CHEN Li-chun XU Xi-wei |
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| Institution: | Institute of Geology, China Seismological Bureau, |
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| Abstract: | Deterministic, probabilistic and composite-grading methods are used to get the possible locations of strong earth-quakes in the future in Norwest Beijing and its vicinity based on the quantitative data and their accuracy about active tectonics in the research area and by ordering, some questions in the results are also discussed. It shows that the most dangerous fault segments for strong earthquakes in the future include: segments B and A of the southern boundary fault of the Yangyuan basin, the southern boundary fault of the Xuanhua basin, the east segment of the southern Huaian fault and the east segment of the northern YanggaoTianzhen fault. The most dangerous area is YangyuanShenjing basin, the second one is TianzhenHuaianXuanhua basin and the third dangerous areas are WanquanZhangjiakou and northeast of Yuxian to southwest of Fanshan. |
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| Keywords: | Northwestern Beijing quantitative data of active tectonics comprenhensive method locations of strong earthquakes |
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