A new earthquake zone map is now available on line that will show you if you are in an area that is on or near an active fault.
The CGS says planners use them to ensure homes and buildings aren't built right on top of California’s known active faults. The maps are also used in real estate transactions as part of the disclosure packet.
The scientists will talk about what they show during a Thursday news conference in Sacramento.
If you look at the red squares that show the danger zones, there are more places with the red blocks than there are safe areas.
The California Geological Survey says the maps are delineated through December 2010 under what's called the Alquist-Priolo Earthquake Fault Zoning Act.