[Discover] Seismic Design Values for Buildings http://earthquake.usgs.gov/research/hazmaps/design/
(seismic buildings engineering design) 
[Discover] BSSC http://www.bssconline.org/ (seismic codes engineering structural)
[Discover] United States National Seismic Hazard Maps http://earthquake.usgs.gov/research/hazmaps/products_data/2008/ (standard design reference seismic)
[Discover] NEHRP - Technical Guidance & Tools http://www.nehrp.gov/resources/guidance.htm (reference seismic structuralengineering)
[Discover] Welcome to the USGS - U.S. Geological Survey http://www.usgs.gov/ (resources usgs science research)
[Discover] NEHRP - National Earthquake Hazards Reduction Program - Working to reduce earthquake losses http://www.nehrp.gov/ (seismic buildings engineering structural)
[Discover] BSSC http://www.bssconline.org/ (seismic codes engineering structural)
[Discover] United States National Seismic Hazard Maps http://earthquake.usgs.gov/research/hazmaps/products_data/2008/ (standard design reference seismic)
[Discover] NEHRP - Technical Guidance & Tools http://www.nehrp.gov/resources/guidance.htm (reference seismic structuralengineering)
[Discover] Welcome to the USGS - U.S. Geological Survey http://www.usgs.gov/ (resources usgs science research)
[Discover] NEHRP - National Earthquake Hazards Reduction Program - Working to reduce earthquake losses http://www.nehrp.gov/ (seismic buildings engineering structural)