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本文对龙陵地震出现的四个九度区的现象及其成固进行了初步分析,认为四个九度区分别为四次地震形成的极震区。极震区长轴方向两两直交的现象,是由于花岗岩块体内的共轭破裂所致。
This paper makes a preliminary analysis on the phenomena of four nine-degree zones appearing in the Longling earthquake and its solidification. It is concluded that the four nine-degree zones are respectively the polar earthquake zones formed by four earthquakes. The phenomenon that the long axes of the very shock zone intersect each other in the long axis is due to the conjugate rupture in the granite block.