Ji'nan is identified as a major earthquake defense City
Shandong province is one of the provinces with frequent earthquake disasters. In the new round of 24 national earthquake key surveillance zones and 11 major earthquake monitoring and defense cities, there are 3 key national earthquake surveillance zones involving Shandong Province, of which Ji'nan has been identified as the key surveillance and defense city. In the
Shandong Province, there is a geological tectonic setting of the earthquakes with moderate and strong earthquakes. The Tanlu and Kaokao two strong earthquake tectonic belts are across the north and south, and the Yanshan - Bohai strong seismic belt is passed along the northern coast of the peninsula, and the Southern Yellow Sea seismic belt is distributed along the coastal waters of the southeast of the peninsula. Since the historical records, more than 5 earthquakes have occurred in Shandong more than 70 times. Among them, the largest magnitude 8.5 earthquake occurred in Tancheng in eastern China in 1668. (Huang Qiang)