Here's a link to the California Geological Survey that will allow you to zoom into different areas in the Bay City. Maybe this will help.
http://geomaps.wr.usgs.gov/sfgeo/liquefaction/susceptibility.html. It's "zoom-able" so you may be able to gauge for yourself.
Also, if indeed Stonebrae was built on a landfill, that information should be made part of the disclosures, via a Natural Hazards Disclosure that is mandatory.