jgg     2014 34 (3):  81-85    ISSN: 0412-1961  CN: 21-1139/TG ANALYSIS OF RECENT HORIZONTAL DEFORMATION IN THE  NORTHEASTERN MARGIN OF THE QINGHAI-TIBETAN PLATEAU First Crust Monitoring and Application Center，CEA，Tianjin 300180 Received: 2013-12-31  Revised: null  Online: 2014-05-28 Supporting info