Compressive faults occurred after principal earthquake with slow variation in propagation and release of stress wave, this might lead to higher after shock intensity and longer duration.

挤压型逆冲断层地震在主震之后，应力传播和释放过程比较缓慢，可能导致余震强度较大，持续时间较长。

youdao

The second shock in succession to the same location of the body produced higher pain intensity ratings than the first shock and (sic) that the third shock in succession to the same location of the body produced higher pain intensity ratings than the second shock in succession.

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