“Bohai Strait cross-sea channel crustal stability investigation and assessment” project implemented by China Geological Survey is a major sea project based work. Based on the collection of historical data, the project carried out geophysical exploration and drilling work in the Bohai Strait area, analyzed the types of geological hazards, identified the main active faults. This project also carried out the research of seismic activity of Bohai Strait, long-term monitoring of micro seismic and crustal stress, the research of crustal tomography. This paper briefly introduces the progress and the preliminary results of the project.
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