jgg     2015 35 (3):  512-516    ISSN: 0412-1961  CN: 21-1139/TG Research on Application Scope of High-Rate GPS in Strong  Earthquake Surface Wave Magnitude 1 School of Geo-science and Environment Engineering, Southwest Jiaotong University,  High-Tech Zone，Chengdu 610031,China 2 College of Earth Science, Chengdu University of Technology, 1 Dongsan Road, Chengdu 610059,China Received: 2014-06-12  Revised: null  Online: 2015-06-02 Supporting info