断裂名称：①千里岩断裂；②北部坳陷南侧断裂；③洪泽-沟墩断裂；④盐城-南洋岸断裂；

                ⑤苏北沿岸断裂；⑥南部坳陷西侧断裂；⑦南部坳陷南侧断裂

Fig.2  Map of geological structure and distribution of historical earthquakes in

       the south Yellow Sea