图14  迭部5.9级地震前震中附近地区孕震空区及震中分布图

     （1980.8.1～1986.10.31，M_S≥2.3）

Fig.14  Seismic gap for generating earthquake and 

         epicentral distribution of M_S≥2.3 earthquakes 

         around the epicentral area before the M_S5.9 

         Diebu earthquake