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利用重力方向的非潮汐变化监测地震的方法

Method of Earthquake Monitoring by Nontidal Variation of Gravity Direction

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【作者】 丁行斌李月锋赵东明

【Author】 DING Xing-bin1,LI Yue-feng2,ZHAO Dong-ming1(1.Institute of Surveying and Mapping,Information Engineering University,Zhengzhou 450052,China;2.Department of Mathematics and Physics,Shanghai Institute of Technology,Shanghai 200235,China)

【机构】 信息工程大学测绘学院上海应用技术学院数理部

【摘要】 提出了一种利用现代垂线偏差监测地震的方法。根据近年来发生在中国的地震大多与地壳局部倾斜有关这一事实,说明地震与地面水准面的垂直位移和倾斜(即垂线偏差)也有关联。利用地面重力测量数据和重力垂线偏差数据可以共同确定地倾斜方向。因此提出了利用"重力方向交会法"预测地震位置的设想和建议,并且进行了相关的论述和试验。初步的试验结果也证实了该方法的有效性。

【Abstract】 A method on earthquake monitoring by modern vertical deflection was given in this paper.It was shown that there was association between earthquake and vertical displacement and tilt(vertical deflection) on the ground level,according to the fact that most of the recent earthquakes happened in China were relevant to local crustal tilt.Since crustal tilt was determined by ground gravimetrial data and gravity vertical deflection data together,the assumption and proposition were proposed on forecasting earthquakes epicenter by "gravity direction intersection method",and relational discussion and experiment were carried out.The preliminary experimental results confirmed the availablility of this method.

  • 【文献出处】 测绘科学技术学报 ,Journal of Geomatics Science and Technology , 编辑部邮箱 ,2009年03期
  • 【分类号】P223
  • 【下载频次】71
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