jgg     2010 30 (2):  19-24    ISSN: 0412-1961  CN: 21-1139/TG CORRELATION ANALYSIS OF CONTINUOUS GPS HORIZONTAL DISPLACEMENT COMPONENTS Wang Mei 1) ;Jiang Zaisen 2) ; and Hou Hesheng 3) 1)Earthquake Administration of Shandong Province, Jinan 2500142)Institute of Earthquake Science，CEA，Beijing 100036 3)Lithosphere Research Center, Institute of Geology，Chinese Academy of Geological Sciences，Beijing 100037 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null