SUMMARY

Characteristics of contemporaneous crustal deformation in the Hòa Bình Hydroelectric Plant area based on analyzing the monitoring data
during the period 2002-2008

Nguyễn Hữu Tuyên, Cao Đình Triều

In this paper, the principle of contemporaneous crustal deformation in the Hòa Bình Hydroelectric Plant area and the earthquake prediction has been proposed by analyzing the SS-Y monitoring data for the period 2002-2008. The main results show that:

- The crustal deformation in the Hòa Bình Hydroelectric Plant area is rather high. The annual average velocity of crustal movement in the N-S and E-W directions is 1.2 mm/y and 1.05 mm/y respectively;

- The present state of stress of the crust with the compressional axis is developed from NE-SW to sublongitudinal direction and the dilatation axis is developed from NW-SE to sublatitutional direction;

- It is possible of using the SS-Y data in the earthquake prediction with the predicting time in range of 8 to 24 hours.

Người biên tập: Ngô Gia Thắng.