jgg     2013 33 (增1):  11-15    ISSN: 0412-1961  CN: 21-1139/TG GROUND KINEMATIC DEFORMATION CAUSED BY WENCHUAN  EARTHQUAKE USING HIGH RATE GPS EPOCH POSITIONING 1）Institute of Earthquake Science, CEA, Beijing 100036 2）Earthquake Administration of Sichuan Province, Chengdu 610041 3）China Earthquake Networks Center, Beijing 100045 Received: 2012-10-23  Revised: null  Online: 2013-09-25 Supporting info