The Association of Bay Area Governments (ABAG) is a regional planning agency incorporating various local governments in California. It deals with land use, housing, environmental quality, and economic development.

• ABAG website (http://www.abag.ca.gov/)
• ABAG Earthquake-related information. (http://quake.abag.ca.gov/) (See also earthquake)
• Home structure seismic evaluation. (http://www.abag.ca.gov/bayarea/eqmaps/fixit/quiz/index.html) (See also seismic retrofit.)
• For seismic shake maps generated for this area. (http://www.abag.ca.gov/bayarea/eqmaps/pickcity.html) (See Hayward Fault Zone for examples of use in an article.)