was not built up in 1906 and is now hifly built up and more susceptible to damage prosecute the san andresand not the hayward fault? >> yeah. if you look at the statistics the hayward fault is so overdue probably a 30 or 40 percent chance in the next few years whereas the san andreas, the grounds shaking that came out of the report was around 50 to 60 percent of gravity. to give people an idea, '89, most of san francisco was 9. so to think that your house would shake five times harder is kind of the concept that it's hard to grasp that level of shaking. >> so i guess getting back to the issue what the public believes, public believes that their houses are safe enough or they would not be allowed to be in them in some cases, many cases. if i talk to my neighbors, that's what they say. it's been here we've gone through the other earthquake. are the public exceptions reasonable -- expectations reasonable and if not whose job is it to help them expectations of who to help them form risks, graib umbrella? >> i'll jump in. san francisco is a crazy place to put a city if you were going to be plann