确定地震震源位置和发震时刻的误差,在已知走时曲线的情况下,一方面取决于波到达时刻的观测误差,另一方面,台站的地理分布也起着重要的作用。国外一些地震学家采用某些方法对台站分布的测震误差和最优布局进行了计算。其工作简述如下: 日本的佐藤泰夫和南斯拉夫萨格勒布大学的D.Skoko等人,从1965年来,首先采用直达波的走时方程,对5个台站组成的台网测定地震的经纬度,深度,发震时刻和波速的误差 Determining the location of the epicenter and the error of the occurrence time of the earthquake, on the one hand, depends on the observed error of the arrival time of the wave on the one hand, and on the other hand the geographical distribution of the station also plays an important role. Some seismologists abroad use some methods to calculate the seismic error and the optimal layout of station distribution. Its work is briefly described as follows: Sato Tifu of Japan and D. Skoko et al. Of Zagreb University of Yugoslavia, from 1965, first used the travel time equation of direct wave to measure the latitude and longitude of an earthquake on a network of five stations, Depth, time of onset and wave velocity error