McCrink also said today's building codes should prevent most buildings from collapsing, but again only if a house isn't on top of a fault line. 

As for getting a new map, it's up to the state to earmark funding for the Alquist-Priolo Earthquake Fault Zoning Act.  

Gov. Jerry Brown has expressed his desire to increase funding, but it's ultimately up to state legislators in Sacramento.  

Once it is approved, geologists say their efforts will be focused first toward high population areas such as West Los Angeles and in the Santa Monica area.