What is an earthquake?An earthquake is a natural phenomenon in which the rapid release of energy from the earth's crust causes vibrations during which seismic waves are generated.Date：2021-02-04More
Geological disaster risk classificationAccording to the degree of hazard and scale, there are four levels of geological disaster danger and geological disaster disaster: very large, large, medium and small.Date：2021-02-04More
Geological hazard classificationGeological hazards: Natural variation and human action may lead to changes in the geological environment or geological body, and when such changes reach a certain level, the consequences will cause haDate：2021-02-04More
