Laboratory of Seismology and Physics of Earth's Interior;
School of Earth and Space Sciences;
University of Science and Technology of China;
Hefei;
Anhui;
230026;
China;
Departamento de Geofísica;
Advanced Mining Technology Center;
Facultad de Ciencias Físicas y Matematicas;
Universidad de Chile;
Blanco Encalada;
2002;
Santiago;
Chile;
Chile subduction Zone; Double difference seismic tomography; Double seismic zone; Dehydration embrittlement;