| 2002年12月14日甘肃玉门5.9级地震的发震构造研究 |
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| 引用本文： | 何文贵,郑文俊,赵广堃,马尔曼,董治平.2002年12月14日甘肃玉门5.9级地震的发震构造研究[J].地震地质,2004,26(4):688-697. |
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| 作者姓名： | 何文贵 郑文俊 赵广堃 马尔曼 董治平 |
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| 作者单位： | 中国地震局地震预测研究所兰州创新基地,兰州,730000;中国地震局兰州地震研究所,兰州,730000;甘肃省地震局,兰州,730000 |
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| 基金项目： | 地震科学联合基金(104073)，国家自然科学基金(40372086)共同资助。 |
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| 摘 要： | 野外调查结果表明,2002年12月14日发生在甘肃省玉门地区的5.9级地震,其宏观震中和仪器震中都位于祁连山北缘断裂上。仪器震中为39.8°N,973°E;宏观震中为397°N,973°E。震中区烈度为Ⅷ度,极震区呈长椭圆形,长轴走向N65°W,长度为15km;短轴走向N25°E,长度为12km。本次地震的发震断层应为祁连山北缘断裂内的次级断裂——旱峡-大黄沟断裂,地震为该断裂最新活动的结果
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| 关 键 词： | 玉门5.9级地震 发震构造 祁连山北缘断裂 |
| 文章编号： | 0253-4967(2004)04-0688-10 |
| 收稿时间： | 23 November 2003 |
| 修稿时间： | 2003年11月24 |
STUDY ON THE SEISMOGENIC STRUCTURE OF THE YUMEN, GANSU PROVINCE M_S 5.9 EARTHQUAKE OF DECEMBER 14, 2002 |
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| HE Wen gui , ZHENG Wen jun , ZHAO Guang kun MA Er man DONG Zhi ping Lanzhou Base of Institute of Earthquake Science,China Earthquake Administration,Lanzhou ,China Lanzhou Institute of Seismology,China Earthquake Administration,Lanzhou ,China Earthquake Administration of Gansu Province,Lanzhou ,China.STUDY ON THE SEISMOGENIC STRUCTURE OF THE YUMEN, GANSU PROVINCE M_S 5.9 EARTHQUAKE OF DECEMBER 14, 2002[J].Seismology and Geology,2004,26(4):688-697. |
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| Authors: | HE Wen gui ZHENG Wen jun ZHAO Guang kun MA Er man DONG Zhi ping Lanzhou Base of Institute of Earthquake Science China Earthquake Administration Lanzhou China Lanzhou Institute of Seismology China Earthquake Administration Lanzhou China Earthquake Administration of Gansu Province Lanzhou China |
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| Institution: | 1. Lanzhou Base of Institute of Earthquake Science, China Earthquake Administration, Lanzhou 730000, China;2. Lanzhou Institute of Seismology, China Earthquake Administration, Lanzhou 730000, China;3. Earthquake Administration of Gansu Province, Lanzhou 730000, China |
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| Abstract: | On December 14, 2002, an earthquake of M S 5.9 occurred in Yumen, Gansu Province. Field investigation revealed that both the macroscopic and measured epicenters of this event, the coordinate of which are 39.8°N,97 3°E and 39.7°N,97 3°E, respectively, are located on the northern mar￣ginal fault of the Qilian Mountains. The epicentral intensity was determined to be Ⅶ. The epicentral area appears as an elongated ellipse with N65°W trending long axis of 15km long and N25 E trending short axis of 12km long. The |
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| Keywords: | Yumen M_S 5 9 earthquake seismic fault northern marginal fault of Qilian Mountains |
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