Since the Song and Yuan Dynasties, local chronicles have been popular in China, and the number of seismic data has obviously increased. Since the Ming Dynasty (A.D.15th century), except in remote areas, the records of land cover above moderate intensity are relatively complete, and a series of data has been accumulated for more than 600 years, which has a long duration and rich content, ranking first in the world. Among the 8264 kinds of local chronicles counted in China Local Chronicles Joint Catalogue, 942 kinds were compiled in Ming Dynasty and 570 1 kind in Qing Dynasty. From the geographical distribution, there are not only a large number of local chronicles in economically and culturally developed areas, but also more and more local chronicles in some areas, including county chronicles, township chronicles and even village chronicles. Most local chronicles will basically follow the record style of official history and set up special chapters to record disasters. These chapters are usually titled "Disasters", "Auspicious Disasters" and "Disasters", in which most local historical materials related to earthquakes are preserved. Collection of historical documents of China local chronicles? On the basis of collecting and sorting out nearly 3,000 kinds of old local chronicles all over the country, the disaster-related contents are classified and identified into 90 volumes. The Local Chronicles Disaster Series compiled and photocopied a large number of records about natural disasters and natural anomalies in local chronicles, which provided systematic first-hand raw materials for the study of disaster history in China. At present, the first volume (Northeast China 12) and the second volume (East China 35) have been published.