ASCE7‐05 / IBC 2006 Seismic Lateral Forces, rev 1.1
for Ss & S1 values can be obtained form the ASCE7‐05 / IBC 2006 code or local code or for anywhere not listed in codes, Ss & S1 values can be obtained from USGS Geologic Hazards Science Center website https://geohazards.usgs.gov/secure/designmaps/ww/signup.php
#ASCE_Spreadsheet
for any comments in this sheet post your comment below.
new link for USGS Worldwide Seismic Design Tool
here the Ss & S1 data at Great Pyramid of Giza