USGS ASCE 7 seismic design values for a US point: Ss, S1, SDS, SD1, seismic design category, and PGA, for a US address o

USGS ASCE 7 seismic design values for a US point: Ss, S1, SDS, SD1, seismic design category, and PGA, for a US address or coordinates. Optional reference document, risk category, and site class.