ON MICRO-DYNAMIC DEFORMATION INFORMATIONS OBTAINED FROM GPS OBSERVATIONS DURING KUNLUNMOUNTAIN Ms 8.1 EARTHQUAKE IN 2001
Hou Hesheng 1,2) ; and Jiang Zaisen 1)
1)Institute of Earthquake Prediction, CEA, Beijing 1000362)Lithosphere Research Center, Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037
Abstract：By means of the synthetic model for rigid movement and strain of the introplate blocks, and through computing the accumulated difference displacements derived from the observation fiducial GPS stations in the northeastern edge of QinghaiTibet block, the dynamic variations of the continuous deformation parameters in this area are obtained. The results show that there was coherent vary tendency between these parameters before and after the KunLun Mountains \%M\%s 8.1 earthquake, it is discovered that the four time series, the eastwestward strain, the least principal strain, the superficial expansion rate and the second shear strain are significant. The mechanism of strain releasing and adjustment induced by the earthquake in the area can be interprated with this Model. It is possible to identity imminent anomalies of a large earthquakes in the region by assembling deformation parameters.
Hou Hesheng,and Jiang Zaisen . ON MICRO-DYNAMIC DEFORMATION INFORMATIONS OBTAINED FROM GPS OBSERVATIONS DURING KUNLUNMOUNTAIN Ms 8.1 EARTHQUAKE IN 2001[J]. jgg, 2008, 28(3): 9-13.
