About the definition of seismic dangers valuation of grounds

In the article deficiences of the accepted methods of seismic danger degree definition for grounds are adduced.A new method which excludes these deficiencies, is suggested. It is based on the determination of seismic danger of grounds by the values of damping velocities of seismic waves. The method has been used in the Shirak basin.The method allows to rationally define the more objective estimation of seismic danger of grounds on instrumental basis.