Xuzhou, called Pengcheng in ancient times, is a prefecture-level city, sub-central city, national historical and cultural city, national comprehensive transportation hub and central city of Huaihai Economic Zone approved by the State Council. By the end of 2022, Xuzhou had jurisdiction over five municipal districts, three counties and two county-level cities, with a total area of 1 1765 square kilometers and a permanent population of 9,065,465.
At the end of primitive society, when Emperor Yao established the Kingdom of Shi Peng in Peng Zu, it was the earliest city in Jiangsu. Xuzhou is one of China's Kyushu in history. Since ancient times, it has been the key to the north, the gateway to the south, a battleground for military strategists and a place where merchants gather. It is also the political, economic and cultural center of Huaihai region. Xuzhou has a history of more than 6000 years of civilization and a history of 2600 years of city building. It is the hometown of emperors and is said to be the birthplace of nine emperors.
geology
Xuzhou city belongs to the south of North China fault block area in geotectonics, its geological conditions and structure are not too complicated, and its seismic activity frequency and intensity are low. From the perspective of crustal structure, the thickness of Xuzhou's crust has not changed much. The average depth of Mohs surface is about 36 kilometers, and the average depth of Kangmian surface is 20 kilometers, which is generally deeper in the west. Looking at the tectonic movement, Xuzhou belongs to a large subsidence area in the northern Jiangsu plain.
The landform is low and flat, and the sediments in the fault basin are thick, showing the characteristics of * * * oscillation movement. Judging from the fault structure, the faults in Xuzhou area are relatively developed. According to its scale and its role in the history of geological development, the most important faults in the north and east are widely distributed. The main faults in Xuzhou are Tanlu fault zone, Pizhou fault zone in Fengxian county and Yellow River fault zone.
Reference to the above content: Baidu Encyclopedia-Xuzhou City