Spectral map acceleration for using ASCE 7 outside USA

[structech08]

Hi all,

How can we get the Ss and S1 when using the seismic provisions of ASCE 7 outside USA?

Thanks
structech

 

[RobertHale]

USGS has a world wide application here [URL unfurl="true"]http://geohazards.usgs.gov/designmaps/ww/[/url]. It is only a beta version but it is a place to start.