Dongpu depression, a oil-gas bearing basin, is situated in the southwest Bohaiwan basin.Puwei sag is a subunit that is tectonically located in the north central upheave of Dongpu depression.
Suddenly the waters around them slowly swelled in broad circles; then quickly upheaved, as if sideways sliding from a submerged berg of ice, swiftly rising to the surface.
" Because this liquid mass would be subject, like the ocean, to the lunar attraction, and therefore twice every day there would be internal tides, which, upheaving the terrestrial crust, would cause periodical earthquakes! "
是渤
西南部的一个含油气盆地，濮
洼
央隆起带北部，为一负向次级构造单元。
面慢慢涌起许多大圆圈来，随后，快速
隆起，仿佛
出来，迅速升上
记-The journey to the heart of the Earth
样受到月球引力的影响，因此每天都会出现两次内潮汐，内潮汐会导致
