Study on present deep crust deformation in northern and middle of the Red river fault zone by gravity method

JIan Wang1,2, Chongyang Shen3, Wenke Sun4 and Hongbo Tan3, (1)China Earthquake Administration, Beijing, China, (2)University of CAS, Beijing, China, (3)Institute of Seismology, China Earthquare Administration, Wuhan, China, (4)Graduate University of CAS, Beijing, China