Fig. 17From: Unified approach for evaluation of horizontal site amplification factors with special reference to history of studies on the effects of surface geology on seismic motionOverall logarithmic averages of WSRh and WSRv and its deviations for all the sites used (left) and one-to-one relationships of WSRh and WSRv for the same frequency at four selected sites in Akita Prefecture (right)Back to article page