Phan Trong Trinh, Ngo Van Liem, Vy Quoc Hai, Tran Van Phong, Nguyen Van Huong, Nguyen Viet Thuan, Nguyen Quang Xuyen, Bui Van Thom, Nguyen Dang Tuc, Hoang Quang Vinh, Nguyen Huy Thinh, Bui Thi Thao, Tran Quoc Hung
Author affiliations


  • Phan Trong Trinh Institute of Geological Sciences-VAST
  • Ngo Van Liem Institute of Geological Sciences-VAST
  • Vy Quoc Hai Institute of Geological Sciences-VAST
  • Tran Van Phong Institute of Geological Sciences-VAST
  • Nguyen Van Huong Institute of Geological Sciences-VAST
  • Nguyen Viet Thuan Institute of Geological Sciences-VAST
  • Nguyen Quang Xuyen Institute of Geological Sciences-VAST
  • Bui Van Thom Institute of Geological Sciences-VAST
  • Nguyen Dang Tuc Institute of Geological Sciences-VAST
  • Hoang Quang Vinh Institute of Geological Sciences-VAST
  • Nguyen Huy Thinh Institute of Geological Sciences-VAST
  • Bui Thi Thao Institute of Geological Sciences-VAST
  • Tran Quoc Hung Institute of Geological Sciences-VAST



GPS, present-day tectonics, veolocity, tectonic gradient, strain rate, maximum compressive axe, maximum extensive axe.


The estimation of the present day tectonic movement and tectonic gradient (strain rate) has an important practical signification in the assessment of active fault and seismic hazards for the selection of Ninh Thuan nuclear power plant. Based on the three campaigns of GPS measurement between 2012 - 2013, we used BERNESE 5.0 software to determine present day slip rates of 13 stations in ITRF08 frame. The GPS stations move eastwards at the slip rates of 22 - 25 mm/yr, southwards at the velocities of 5 - 10 mm/yr. The standard errors in latitudinal and longitudinal directions are 1.2 mm/yr and 0.9 mm/yr, respectively. Combined with GPS data from the project of the study on actual geodynamics in Tay Nguyen TN3/06, we determined the strain rate ranging from 50 to 100 nanostrains with the standard error of 50 nanostrains. The direction of  maximum compressive strain rate is from northwest - southeast to east - west.


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How to Cite

Trinh, P. T., Liem, N. V., Hai, V. Q., Phong, T. V., Huong, N. V., Thuan, N. V., Xuyen, N. Q., Thom, B. V., Tuc, N. D., Vinh, H. Q., Thinh, N. H., Thao, B. T., & Hung, T. Q. (2015). PRESENT DAY TECTONIC GRADIENT IN NINH THUAN AND SURROUNDING REGION. Vietnam Journal of Marine Science and Technology, 15(3), 209–224.




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