图9 疏附6.2级地震前地震活动空间分布图
Fig.9 Earthquake distribution before the MS 6.2 Shufu earthquake
(a) 1988.1~1990.5(MS≥4.0);(b) 1990.6~1993.12.1(MS≥4.0);
(c) 1988.1~1991.1(MS≥3.0);(d)1991.2~1993.12.1(MS≥3.0);
(e) 1980.1~1993.12(MS≥3.0)