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| 文安MS5.1地震前区域形变异常研究 | |
| 引用本文： | 郑智江,陈聚忠,纪静. 文安MS5.1地震前区域形变异常研究[J]. 大地测量与地球动力学, 2017, 37(6): 575-579 |
| 作者姓名： | 郑智江 陈聚忠 纪静 |
| 摘 要： | 对2006-07-04文安MS5.1地震前2001~2004年区域GPS站速度场和应变率场使用刚性-线弹性运动模型拟合处理的结果进行研究，获得文安MS5.1地震的1~3 a期的前兆异常。结果表明，地震发生在异常区高异常体发育的边缘梯度带的转折处。 |
| 关 键 词： | 文安地震前兆 形变异常 应变率异常 异常强度 构造活动异常 |
Research on Regional Deformation Anomalies before the Wen’an MS5.1 Earthquake |
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| ZHENG Zhijiang,CHEN Juzhong,JI Jing. Research on Regional Deformation Anomalies before the Wen’an MS5.1 Earthquake[J]. Journal of Geodesy and Geodynamics, 2017, 37(6): 575-579 | |
| Authors: | ZHENG Zhijiang CHEN Juzhong JI Jing |
| Abstract: | Using the rigid-linear elastic model to fit 2001-2004 GPS regional velocity field and strain rate field, we obtain 1-3 years precursory anomalies before the July 4th, 2006 Wen’an MS5.1 earthquake. The results show that the earthquake occurred in the anomaly area and the edge gradient transition zone of the high abnormal body. |
| Keywords: | precursor of the Wen’an earthquake deformation anomaly,strain rate anomaly,abnormal intensity tectonic activity anomaly, |
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