ANSS - Advanced National Seismic System
The mission of ANSS is to provide accurate and timely data and information products for seismic events, including their effects on buildings and structures, employing modern monitoring methods and technologies.


American Association of State Highway Transportation Officials
AASHTOs goal must be to make the system work better, safer, and smarter, to both save lives and save time for our citizens.


American Concrete Institute
ACI is a technical and educational society dedicated to improving the design, construction, maintenance and repair of concrete structures.


International Code Council
The International Code Council (ICC) was established in 1994 as a nonprofit organization dedicated to developing a single set of comprehensive and coordinated national model construction codes.


American Council of Engineering Companies
The American Council of Engineering Companies (ACEC) is devoted exclusively to the business and advocacy interests of engineering companies.


American Society of Testing and Materials
The ASTM is an open forum for the development of high-quality, market relevant international standards used around the globe.


Southern California Earthquake Data Center
The Southern California Earthquake Data Center (SCEDC) operates at the Seismological Laboratory at Caltech and is the primary archive of seismological data for southern California. The 1932-to-present Caltech/USGS catalog maintained by the SCEDC is the most complete archive of seismic data for any region in the United States.


Southern California Seismic Hazards Mapping
The California Seismic Hazards Mapping web page is a valuable resource to indicate Liquefiable area, and Earthquake-Induced Landslides in Southern California as well as Northern California. Maps are divided into three Categories, such as Official Map, In Progress Map, and Planned Map.


California Department of Conservation
The Department of Conservation provides services and information that promote environmental health, economic vitality, informed land-use decisions and sound management of our state's natural resources.