Table 3: PGA and TRF values of dams considered in this study Dam PGA in g * ML** Hazard class TRF*** Risk class Atasu 0.05 5.3 I 50.3 II Dim 0.01 5.4 I 33.8 II Gordes 0.09 6.7 I 121.0 II Kurtun 0.03 6.2 I 86.9 II Marmaris 0.20 6.7 II 129.1 III Torul 0.07 7.9 I 140.4 II (*) PGA = Peak ground acceleration (**) ML = Local magnitude of the earthquake (***) TRF = Total risk factor