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北部湾６．１、６．２级地震震源位于北部湾盆地的东部，构造上处于盆地内部ＮＥＥ向的次一级企西凸起与乌石断陷的交界地带，发震断裂主破裂是ＮＥＥ向的北部湾－珠江口外断裂，ＮＷ向的临高断裂可能也参加了活动。
The Beibuwan 6.1 and 6.2 earthquakes are located in the eastern part of the Beibu Gulf basin and are structurally located at the junction of the NEE-trending sub-station West Westerly and the Wushi depression in the basin. The main rupture of the seismogenic fault is NEE The Beibu Gulf - the Pearl River Mouth Occured Zone and the NW trending Proaga Fault may also have participated in the activity.