There is a Cenozoic dextral strike-slip in the tectonic motion of Bohai Bay basin, and its activity weakened from east to west and with epoch going.

• 摘要渤海湾盆地新生代构造运动具有统一的右旋走滑特征，平面上具有自东向西由强变弱的特点，时间上走滑活动具有由老至新逐渐变弱的趋势。