Institute of Theoretical and Applied Geophysics;
School of Earth and Space Sciences;
Peking University;
Beijing 100871;
China;
Hebei Hongshan Geophysical National Observation and Research Station;
Peking University;
Beijing 100871;
China;
Institute of Geophysics and Geodynamics;
School of Earth Science and Engineering;
Nanjing University;
Nanjing 210023;
China;
Department of Physics;
University of Illinois at Urbana-Champaign;
USA;
long-period coda waves; large earthquakes; geometric spreading; attenuation; scattering.;