CERES: (California Environmental Resource Evaluation System) An information system developed by the California Resources Agency to facilitate access to a variety of electronic data describing California's rich and diverse environments.
Information Center for the Environment: A cooperative facility at UC Davis supporting projects of an interdepartmental faculty. Contains links to extensive environmental and geographic information, much of it concerned with California.
Alternative Futures for the Region of Camp Pendleton, California: Provides links to geographic and other resources related to the Biodiversity Research Consortium's study of region of Marine Corps Base Camp Pendleton, California. These links are extensive and detailed (Ceres is one of several similar links).
California Geographical Survey: The Internet Library of the Department of Geography at California State University Northridge. Contains maps, surveys and links to information related to geography and populations.
Digital Atlas of California: A continuing public education project of Professor William Bowen and the Department of Geography at California State University, Northridge. Contains a California Overview and regional surveys, all of which provide mapped information on such subjects as citizenship and population and race.
The Urban Seismology in the San Francisco Bay Area project of the USGS (staffed in part by volunteers) is charting seismological activity in the Bay Area, and includes maps of various arrays in the region.
The Bay Area Geology page of the Associated Bay Area Governments has links to information on weather, seismic activity, dam failure inundation, and other topics.
Memento Mori: A web interface to the earth. It displays streaming seismographic data measured continuously from a site near the Hayward Fault above University of California at Berkeley.