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Table 7a <br /> Ground Motion Comparisons with Previous Studies <br /> Return 2017 2013 2011 1995* <br /> Period ' PGA(g's) PGA(g's)1.0 sec SA 1.0 sec SA 1.0 sec SA PGA(g's) <br /> (Years) PGA(gs) ,s ,s ,s <br /> 500 0.049 0.018 0.050 0.024 <br /> 0.10 0.04 0.12 <br /> 0.011,0.14] 0.006,0.0 [0.014,0.121 [0.008,0.05] <br /> 1,000 0.10 0.035 0.085 0.041 <br /> 0.20 0.09 0.19 <br /> 0.019,0.22 0.011,0.10 0.024,0.19 0.015,0.09 <br /> 2,000 0.17 0.066 0.14 0.068 <br /> 0.34 0.17 0.25 <br /> 0.035,0.3 0.018,0.1 0.040.0.30 0.024,0.15 <br /> 3,000 0.22 0.097 0.19 0.091 <br /> 0.43 0.23 0.30 <br /> 0.050,0.41 0.025,0.21 0.053,0.3 0.033,0.19 <br /> 5,000 0.30 0.14 0.26 0.13 <br /> 0.55 0.32 0.36 <br /> 0.083,0.51 0.037,0.2 0.077,0.47 0.047,0.271 <br /> 10,000 0.42 0.22 0.38 0.20 <br /> 0.73 0.51 - <br /> 0.15,0.68 0.064,0.3 0.13,0.6 [0,073,0.39] <br /> *Spectral accelerations at 1.0 sec not computed. <br /> UM <br />