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Announcement <br />ASCE 7-22 is now available. <br />1113 N Wright St, Santa Ana, CA 92701, USA <br />Latitude, Longitude: 33.7551289, -117.8463363 <br />Date 4/17/2026, 8:58:45 AM <br />Design Code Reference Document ASCE7-22 <br />Risk Category II <br />Site Class Default <br />Type Value Description (Data) <br />SS 1.48 The MCER spectral response acceleration at 0.2 seconds for Site Class BC, in units of g. <br />S1 0.48 The MCER spectral response acceleration at 1 second for Site Class BC, in units of g. <br />SMS 1.77 SMS = 1.5 x SDS, the Risk-Targeted Maximum Considered Earthquake (MCER) spectral response acceleration for short periods (of the two-period <br />spectrum) and the user-specified Site Class. <br />SM1 1.18 SM1 = 1.5 x SD1, the MCER spectral response acceleration for 1 second (of the two-period spectrum) and the user-specified Site Class. <br />SDS 1.18 The design spectral response acceleration for short periods (of the two-period spectrum) and the user-specified Site Class, in units of g. <br />SD1 0.79 The design spectral response acceleration for 1 second (of the two-period spectrum) and the user-specified Site Class, in units of g <br />Type Value Description (Data Contd.) <br />SDC D Seismic design category <br />PGAM 0.66 PGAM, the Geometric-Mean Maximum Considered Earthquake (MCEG) peak ground acceleration for the user-specified Site Class, in units of g <br />TS 0.669 TS = SD1/SDS, in seconds, for construction of the two-period design spectrum <br />T0 0.134 T0 = 0.2 x TS, in seconds, for construction of the two-period design response spectrum <br />TL 8 TL, the long-period transition period, in seconds, for construction of the two-period design response spectrum <br />4/17/26, 9:00 AM U.S. Seismic Design Maps <br />https://www.seismicmaps.org 1/7