【摘要】 利用数值计算的方法(Lagrange),结合近4期流动重力资料,分析伽师及邻近地区的重力场时空动态变化特征,初步研究了该区的重力变化与地震活动及构造的关系。结果表明:重力场变化与构造环境变化有关。在地震孕育过程中,重力场出现有规律的变化并伴随重力变化密集区,地震往往多发于重力场变化正负值交替的零线附近。更多还原

【Abstract】 In this paper,the space-time dynamic evolution characteristics of gravity field in Jiashi and its adjacent region are analyzed by numerical method(Lagrange) and the recent 4 terms data of mobile gravity measurements,and the relationship between the gravity change and the seismic activity and the structure is studied.The results show that the changes of gravitational field value related with the structure environment.During the pregnancy course of the earthquakes,regional gravity field changed regularly and the abnormal gravity or the concentrated gravity changes appeared,earthquake often occurs at zero line of gravity changes.更多还原