| 新疆南部构造区带与地震活动状态研究 |
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| 引用本文： | 曲延军,王琼,聂晓红.新疆南部构造区带与地震活动状态研究[J].中国地震研究,2012,26(2):222-233. |
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| 作者姓名： | 曲延军 王琼 聂晓红 |
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| 作者单位： | Earthquake Administration of Xinjiang Uygur Autonomous Region， Urumqi 830011，China;Earthquake Administration of Xinjiang Uygur Autonomous Region， Urumqi 830011，China;Earthquake Administration of Xinjiang Uygur Autonomous Region， Urumqi 830011，China |
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| 基金项目： | This research was supported by the Special Scientific Research Funds for Earthquake Studies，entitled “Development of Dynamic Evaluation System of Seismicity State in the Chinese Continent (Grant No． 200708020)” |
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| 摘 要： | Based on the studies of earthquake activity, tectonic movement, crustal shortening rate, fault activity, local stress field and historical characteristics of strong earthquake activities in Xinjiang, we divide the south part of Xinjiang into 4 seismotectonic zones, namely, the eastern segment of south Tianshan seismic belt, the Kalpin block, the Kashi-Wuqia junction zone, and the west Kunlun Mountains seismic belt. Using earthquake catalogues from Xinjiang since 1900, and on the basis of integrity analysis of earthquake records in different magnitude ranges, the seismicity state of different seismotectonic zones is analyzed quantificationally by calculating the mean value of annual strain energy release, annual rate of earthquakes with different lower limits of magnitude, b-value, and the parameter m of accelerating strain release model. The characteristic indexes of seismicity state for each of the seismic tectonic zones are then determined, which provide a quantitative basis for earthquake tendency analysis and judgment.
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| 关 键 词： | Southern Xinjiang Seismotectonic zone Seismicity state |
| 收稿时间： | 2010/8/20 0:00:00 |
| 修稿时间： | 2010/11/10 0:00:00 |
Research on the Seismotectonic Zones and Seismicity State in the Southern Xinjiang Region |
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| Qu Yanjun,Wang Qiong and Nie Xiaohong.Research on the Seismotectonic Zones and Seismicity State in the Southern Xinjiang Region[J].Earthquake Research in China,2012,26(2):222-233. |
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| Authors: | Qu Yanjun Wang Qiong and Nie Xiaohong |
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| Institution: | Qu Yanjun, Wang Qiong, and Nie Xiaohong Earthquake Administration of Xinjiang Uygur Autonomous Region, Urumqi 830011, China |
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| Abstract: | Based on the studies of earthquake activity, tectonic movement, crustal shortening rate, fault activity, local stress field and historical characteristics of strong earthquake activities in Xinjiang, we divide the south part of Xinjiang into 4 seismotectonic zones, namely, the eastern segment of south Tianshan seismic belt, the Kalpin block, the Kashi-Wuqia junction zone, and the west Kunlun Mountains seismic belt. Using earthquake catalogues from Xinjiang since 1900, and on the basis of integrity analysis of earthquake records in different magnitude ranges, the seismicity state of different seismotectonic zones is analyzed quantificationally by calculating the mean value of annual strain energy release, annual rate of earthquakes with different lower limits of magnitude, b-value, and the parameter m of accelerating strain release model. The characteristic indexes of seismicity state for each of the seismic tectonic zones are then determined, which provide a quantitative basis for earthquake tendency analysis and judgment. |
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| Keywords: | Southern Xinjiang Seismotectonic zone Seismicity state |
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