Earthquake along Yangtze river results from the new structural movement which is under the control of both Tethys tectonics and Pacific tectonics.

• 这一特殊的自然地理面貌严格受青藏地块、秦祁昆地块和扬子板块的构造格局控制 ,是特提斯构造系统和太平洋构造系统及其二者复合作用的结果。