The principal stress resulting from the change of centrifugal inertial force is South North and East West oriented,and the magnitude of the stress may reach to tens to several hundreds MPa.

• 离心惯性力变化引起的应力其主方向为SN向和EW向，应力的大小随着地球自转角速度的持续增加而积累，其量级可能达到几十到几百兆帕或更大。