The epicenters of the two quakes were separated by about 630 miles and were both related to the northward thrust of the Indian Plate against the Eurasian Plate.
2
之所以如此,显然与山东所处的大地构造位置,即太平洋板块与欧亚板块相互碰撞的陆缘地带密切相关。
This is apparently related to the tectonic setting of Shandong, namely, the continental margin where the Pacific Plate collided against the Eurasian Plate.
3
中国西南地区的地震活动反映了由印度—欧亚板块碰撞引起的动力作用由西向东、由南向北的推进过程。
The earthquake activities in Southwest China reflect the eastward and northward progression of tectonic movements caused by the collision between the Indian and Eurasian plates.