19  大同-阳高6.1级地震前大同及附近地区地震震中分布图

38°~42°N,112°~116°E,1987.10~1989.10,ML ≥2.5)

Fig. 19  Epicentral distribution of earthquakes in Datong

         adjacent area before the M6.1 Datong-Yanggao

         earthquake