本文用文献[1]的结果计算了可以用多台(?)初动振幅测定 Q 值的理论曲线,并使用海城地震的部分余震的资料测定了海城地区地壳上层介质的 Q 值.通过与由 P_n 资料得到的上地幔顶部介质的 Q_M 值比较,并对 P_(?)、(?)初动半周期进行统计表明,海城地震区东南部上地幔顶部介质的衰减特征与其他地区的不大相同,与地壳上部介质的衰减特征也不一样,说明那里深部物质的熔化程度可能比其他地方的物质的熔化程度高. Based on the results in [1], this paper calculates the theoretical curve that can be used to determine the Q value of the initial vibration amplitudes of Haicheng earthquake, and uses the data of some aftershocks of Haicheng earthquake to determine the Q value of the upper crust in Haicheng area. Compared with the Q_M value of the medium in the upper mantle obtained from P_n data, statistics of P_ (?), (?) Initial half-period show that the attenuation characteristics of the medium in the southeast upper part of the Haicheng earthquake area are similar to those of other regions Are not the same, and are not the same as the decay characteristics of the medium in the upper crust, indicating that the melting of deep matter there may be higher than the melting of other places.