In this paper,the Gaoyou-Baoying M_S4.9 earthquake was analyzed by the geomagnetic harmonic wave amplitude ratios method. The earthquake was an isolated seismic
On June 22, 1518, a large earthquake, measuring M 7 1/2 , occurred offshore west of Seoul, Korea in the southern Yellow Sea. This earthquake affected the whole
A new organization and management mechanism with the local government as the main body was created during the post-disaster reconstruction of the "4. 20 " Lusha