In this paper,the phase velocities of Love waves were determined by using the seis-mograms from fifteen stations in China and three earthquakes from Kamchatka and two from Alaska were under use.

• 本文利用三个堪察加地震和两个阿拉斯加地震在我国某些地震台上所记录的乐夫波,进行了相位对比,用最小二乘法分别计算了各地区的乐夫波相速度。