10 祁连6.0级震中附近(37°40°N 97°100°E)地区的地震活动性

      曲线(据文献[3]

      (a) b 值;(b)空间集中度C

Fig.10 Curves of b-value and special concentration degree C-value

        around the epicentral area ( N 37°40°E 97°100°)