| Preliminary Study on Two Newly-Generated Seismotectonic Zones in North and Southwest China |
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| 作者姓名： | Xu Jie Han Zhujun Wang Chunhua and Niu LanfangInstitute of Geology State Seismological Bureau Beijing China |
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| 作者单位： | Xu Jie，Han Zhujun，Wang Chunhua，and Niu LanfangInstitute of Geology State Seismological Bureau，Beijing 100029，China |
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| 摘 要： | In previous seismotectonic studies,the emphasis was placed on the inherited active fault zones.In the recent tectonic stage that essentially keeps in step with the current regional geologic environment and the stress field,however,there are also some newly generated fault zones.By studying the seismicity in North and Southwest China,it has been known that the NE-trending Tangshan-Hejian-Cixian and NW-trending Tengchong-Gengma-Lancang seismic zones are just two newly generated fault zones.As distinguished from the inherited fault zones,they are called the newly generated seismotectonic zones.This paper deals with the existence of these two seismogenic zones from their seismicity and geological structures,gives a preliminary analysis of their characteristics,and shows their significance.
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Preliminary Study on Two Newly-Generated Seismotectonic Zones in North and Southwest China |
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| Xu Jie,Han Zhujun,Wang Chunhua,and Niu LanfangInstitute of Geology State Seismological Bureau,Beijing ,China.Preliminary Study on Two Newly-Generated Seismotectonic Zones in North and Southwest China[J].Earthquake Research in China,1996(4). |
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| Authors: | Xu Jie Han Zhujun Wang Chunhua and Niu LanfangInstitute of Geology State Seismological Bureau Beijing China |
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| Institution: | Xu Jie,Han Zhujun,Wang Chunhua,and Niu LanfangInstitute of Geology State Seismological Bureau,Beijing 100029,China |
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| Abstract: | In previous seismotectonic studies,the emphasis was placed on the inherited active fault zones.In the recent tectonic stage that essentially keeps in step with the current regional geologic environment and the stress field,however,there are also some newly generated fault zones.By studying the seismicity in North and Southwest China,it has been known that the NE-trending Tangshan-Hejian-Cixian and NW-trending Tengchong-Gengma-Lancang seismic zones are just two newly generated fault zones.As distinguished from the inherited fault zones,they are called the newly generated seismotectonic zones.This paper deals with the existence of these two seismogenic zones from their seismicity and geological structures,gives a preliminary analysis of their characteristics,and shows their significance. |
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| Keywords: | Newly-generated seismotectonic zone North China Southwest China |
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