Bay Area Geophysical Society (BAGS)
- From the website: "The Bay Area Geophysical Society (BAGS) was founded in 1962 to promote the science and practice of geophysics in the Bay Area. The BAGS officers hold and continuously build connections with universities, national laboratories, USGS, as well as with various private geophysical contractors, consultants, and companies. We are a community of geoscientists, providing a forum where local geophysicists can get together, present and/or listen to presentations and share experiences, promoting geophysics and a thriving community."
Northern California Geological Society
- The Northern California Geological Society is a non-profit organization for promoting the scientific and educational aspects of geology through monthly meetings, field trips, publications, scholarships and awards.