Fig. 10

Rose diagrams of normalized ranges of the directional semivariograms of the residuals of the PGD (solid lines) and normalized Vs30 (dashed lines) values at record stations of different earthquakes
Rose diagrams of normalized ranges of the directional semivariograms of the residuals of the PGD (solid lines) and normalized Vs30 (dashed lines) values at record stations of different earthquakes