This paper systematically presents the state-of-the-art of preparedness and reduction of earthquake disasters in China. It contains abundant information on the
Although great-progress has been made in the earth sciences,some fundamental problems of geodynamics remain unsolved.They are concerned with the whole earth as
By using the SLC(Single-Link Cluster)method,this study worked in three respects:(a)set up three-dimensional(3-D)SLC software that can deal with a large catalogu
In an earthquake catalog,the source depth of earthquakes is one of the most basic parameters; however it is also one of the most difficult to measure.The source depths in the PDE bulletin,the centroid