Disaster Characteristics of the Guangxi Jingxi M_S5.2 Earthquake

Through visiting survey and in intensity assessment, loss assessment and so on field work in the earthquake-stricken area of Guangxi Jingxi M_S5.2 earthquake, it is found that the macro-epicenter of the earthquake was located in Hurun town, Jingxi City, its intensity of the meizoseismal area was of magnitude Ⅵ; The earthquake area was located at the border between China and Vietnam; The earthquake sequence belongs to main shock-after shock type with more than a hundred aftershocks. The main type of building structure in earthquake area is brick-concrete structure with "X" cracks appear on some walls, oblique cracks, vertical cracks or horizontal cracks appear at the corners of doors and windows, and the decoration layer partially falls off. The phenomenon of falling and sliding of tiles appears in civil and brick-and-wood structures; The earthquake caused many secondary geological disasters, such as collapse, rockfall, etc.