北部湾地区ML2.7级地震震中分布图(1970.11994.12

断裂名称:①北部湾-临高断裂;②北部湾-珠江口外断裂;③防城-灵山断裂;

          ④合浦-北流断裂;⑤右江断裂;⑥四会-吴川断裂;⑦铺前-光村断裂

Fig.3  Epicentral distribution of the ML2.7earthquakes in the area of Beibu Gulf (1970.11994.12)