jgg     2008 28 (2):  51-55    ISSN: 0412-1961  CN: 21-1139/TG RELATIONS BETWEEN CHANGES OF GRAVITY FIELD AND Ms≥6.0 EARTHQUAKES IN WESTERN YUNNAN DURING 1998—2004 Xu Yunma 1, 2) ; Zhu Yiqing 2) ; and Cheng Hongbin 2) 1) University of Science and Technology of China(USTC), Hefei 2300262) Second Crust Monitoring and Application Center, CEA, Xi’an 710054 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null