but the anniversary of the great earthquake was remembered. >> i would like to ask for a minute of silence. >> let's have a moment of silence. >> they meet for the annual reflating ceremony.

he was joined by winnie for an afternoon celebration. we are here to commemorate all that it signifies. at each anniversary the leaders meet to prepare for the next great quake. bob welcome everybody to the

anniversary. i got to say, the mayor gets it done. gooa round of applause for our e chief's wife. you look terrific. do we have sydney close five?

-- close by. we will pass the microphone to the mayor for a couple of quick words. we have a fire chief and the police chief. >> good morning, everyone. 106 years since our earthquake.

we do have a grandson? she was with us in 2009. goopublic works is here. this reminds us of the 3000 people but passed away in 1906 from the devastating earthquake, but the rebirth of our city is with us.

i have been in all of these other positions where we are always prepared. and we are already engaged in recovery efforts. we were there with a whole staff. we have six we assure you that when the next big event happens, that water system will be there for us to deliver water with that 24 hours. a huge change from depending on this fountain. we are handing it off to generations of youth in the city to understand -- make sure they're prepared. go to our website, it tells you

all the things there. iti is about having those items prepared.w we will survive. that is how we get ready and celebrate and honor the people who left us and make sure our city is ready. thank you for being here. congratulations to our survivors. >> very nice job. behind me is a good friend and a great firechief. you go back 106 years. braxton morning. -- good morning. one of the survivors could not

be with us. those are amazing changes. it does give us the opportunity to remember what happened. we commemorate those who suffered losses in their lives and hardships. we also celebrate the city that was nearly swept from the map. the fires raged for three days and caused rates -- great devastation. we take the opportunity to educate everyone. it is a pleasure for me to work under the direction of mayor lee. he is a public safety championship. he is a prepared as champion. he lives it. i have seen his kids and his workplace. it is all about teamwork. i am proud to be working with chief suhr. and scott weiner, it is a

pleasure to have you out here. we appreciate it. it is a great team. thank you to the people who are out here. and also our partners with the american red cross. who are here this morning. thank you for being here. it has been a tradition for many of us out here. i hope you have a great day and you remember what happened 106 years ago. it is great to be a san franciscan. >> a nice hand for the chief, everybody. i have seen this other chief speaking in the last couple of times. a nice hand for chief suhr.

>> good morning. our fire chief said it. we're lucky in san francisco. we have a mayor who has moved through the tears of prepared as an goddess ready to go. we get a little more prepared every day. god bless to the survivors. >> thank you. >> it is a minute of silence at 5-11. -- 51:11 p.m. let's have a moment of silence for a minute right now.

[siren]

>> i think the fitting way to end this germany first of all, -- this ceremony first of all. there will be playing. everybody have their words right here? i will give the countdown. as we hang the reece, i will give you a count here. have a look at me. 1, 2, 3, 4, 1.

♪ [singing] ♪ ♪ >> a great day, everybody.

thank you. the san francisco chornicle. and the history association. and the neighborhood emergency response team. the american red cross. and thanks for making this happen. i want to invite everyone to go to 20th in church or -- and church. and we will meet up. we may skirt the law and serve something before 6:00 a.m.

the bookmobile, where are they? >> i have my cheat sheet here which i cannot find. the library has been here after great disasters. there has -- is a special book that won an award this year. here is the book. i downloaded it on my kindle. it can check out copies of the book mobile. nex>> thanks for being here. start walking slowly. welcome to san francisco, everyone.

♪ >> i have 2 job titles. i'm manager of the tour program as well as i am the historyian of city hall. this building is multifaceted to say the very least it's a municipal building that operates the city and county of san francisco. this building was a dream that became a reality of a man by the

name of james junior elected mayor of san francisco in 1912. he didn't have a city hall because it was destroyed in the earth wake of 1906. construction began in april of 1913. in december 1915, the building was complete. it opened it's doors in january 1916. >> it's a wonderful experience to come to a building built like this. the building is built as a palace. not for a king or queen. it's built for all people. this building is beautiful art. those are architecture at the time when city hall was built,

san francisco had an enormous french population. therefore building a palace in the art tradition is not unusual. >> jimmie was an incredible individual he knew that san francisco had to regain it's place in the world. he decided to have the tallest dome built in the united states. it's now stands 307 feet 6 inches from the ground 40 feet taller than the united states capital. >> you could spend days going around the building and finding something new. the embellishment, the carvings, it represents commerce,

navigation, all of the things that san francisco is famous for. >> the wood you see in the board of supervisor's chambers is oak and all hand carved on site. interesting thing about the oak is there isn't anymore in the entire world. the floors in china was cleard and never replanted. if you look up at the seceiling you would believe that's hand kof carved out of wood and it is a cast plaster sealing and the only spanish design in an arts building. there are no records about how

many people worked on this building. the workman who worked on this building did not all speak the same language. and what happened was the person working next to the other person respected a skill a skill that was so wonderful that we have this masterpiece to show the world today. >> the public wants to access particular information about your house or neighborhood we point them to gis. gis is a combination of maps and data. not a graphic you see on a screen. you get the traffic for the streets the number of crimes for a police district in a period of time. if the idea of combining the different layerce of information

and stacking them on top of each other to present to the public. >> other types of gis are web based mapping systems. like google earth, yahoo maps. microsoft. those are examples of on line mapping systems that can be used to find businesses or get driving directions or check on traffic conditions. all digital maps. >> gis is used in the city of san francisco to better support what departments do. >> you imagine all the various elements of a city including parcels and the critical infrastructure where the storm drains are. the city access like the traffic lights and fire hydrants. anything you is represent in a

geo graphic space with be stored for retrieval and analysis. >> the department of public works they maintain what goes on in the right-of-way, looking to dig up the streets to put in a pipe. with the permit. with mapping you click on the map, click on the street and up will come up the nchgz that will help them make a decision. currently available is sf parcel the assessor's application. you can go to the assessor's website and bring up a map of san francisco you can search by address and get information about any place in san francisco. you can search by address and find incidents of crime in san

francisco in the last 90 days. we have [inaudible] which allows you to click on a map and get nchldz like your supervisor or who your supervisor is. the nearest public facility. and through the sf applications we support from the mayor's office of neighborhood services. you can drill down in the neighborhood and get where the newest hospital or police or fire station. >> we are positive about gis not only people access it in the office but from home because we use the internet. what we used to do was carry the large maps and it took a long time to find the information. >> it saves the city time and money. you are not taking up the time of a particular employee at the assessor's office. you might be doing things more

efficient. >> they have it ready to go and say, this is what i want. >> they are finding the same things happening on the phone where people call in and ask, how do i find this information? we say, go to this website and they go and get the information easily. >> a picture tells a thousand stories. some say a map