Modeling Pn Geometric Spreading and Attenuation by the Viscoelastic Finite-Difference Method with Applications to the North Korean Test Site


Lei Zhang1, Lian-Feng Zhao2, Xiao-Bi Xie3 and Zhen-Xing Yao2, (1)IGG Institute of Geology and Geophysics, Chinese Academy of Sciences, Key Laboratory of Earth and Planetary Physics, Beijing, China, (2)Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China, (3)Institute of Geophysics and Planetary Physics, University of California at Santa Cruz, Santa Cruz, United States