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在我国首先指出重力与地震关系的是顾功叙等同志,他们在1950年指出:中国西部重力均衡负异常带地震比较活跃,如甘肃、四川和云南等省常发生地震。近年来,通过大震前后重力测量发现重力在地震前后有一定变化。本文着重介绍重力前兆异常在空间和时间的分布特点,并用震源模式来介释与地震的关系。
In our country, firstly, we pointed out that the relationship between gravity and earthquakes is Gu Gongshu and other comrades who pointed out in 1950 that the earthquakes in the negative anomalous zone of gravity balance in the western part of China are relatively active. For instance, earthquakes frequently occur in the provinces of Gansu, Sichuan and Yunnan. In recent years, gravity measurement before and after the earthquake found that gravity had some changes before and after the earthquake. This paper focuses on the spatial and temporal distribution of gravity precursory anomalies and uses the source mode to explain the relationship with earthquakes.