Korean Journal of Geomatics
- Volume 5 Issue 1
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- Pages.51-58
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- 2005
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- 1598-4699(pISSN)
First Results of GPS Measurements Along the Lai Chau - Dien Bien Fault in North-West Vietnam
- DUONG Chi Cong (Dept. of Civil & Environmental Engineering, SungKyunKwan University) ;
- YUN Hong-Sic (Dept. of Civil & Environmental Engineering, SungKyunKwan University) ;
- CHO Jae-Myong (Dept. of Civil & Environmental Engineering, SungKyunKwan University) ;
- LEE Dong-Ha (Dept. of Civil & Environmental Engineering, SungKyunKwan University)
- Published : 2005.12.01
Abstract
GPS measurements from Feb. 2002 through Mar. 2004 were used to estimate recent crustal movement across the Lai Chau - Dien Bien fault system in North-West Vietnam. Four GPS campaign data were processed and combined with appropriate constraints using automatic GAMIT/GLOBK run in order to estimate ITRF2000 coordinates, local horizontal velocity and extensive/compressive strain rates. ITRF2000 velocities are consistent with east-southeastward movement of Sundaland i.e. Indochina. Local velocities show not much left-lateral strike-slip of the fault system and derived strain rates are insignificant from zero at