Did the Early Warning system work as promised . Stephanie, many are wondering if the south bay will keep shaking. I heard from several people who said they felt the shaken san francisco, alameda, and even in salinas. We are here in downtown morgan hill. Several Business Owners said they were opening up when the floor and ground started shaking. Reporter we heard a rumble. Classrooms shook and many across the bay area ran for cover. Here in downtown morgan hills, Business Owners and customers say they felt as if they were at the epicenter of the quake. It is a big one for me. The biggest i ever had. Deeper into the city we found a family who says the 5. 1 magnitude told was intense enough to do this. All of my perfume bottles were underneath and the mirrors where broken. It sometimes moves without any earthquakes at all and then we have some of the smaller ones. The largest we have ever seen on the southern is the 6. 2 in morgan hill. A 6. 2 magnitude earthquake. It only reached a magnitude of 5. 1 but left many on alert. Especially after feeling aftershock with magnitude as high as 3. 6. Minis many say there are feeling a bit anxious. If anything well see 2 or 3 small ones within the next day or two. Less than a 4 chance at that point. One of our viewers, jack, sent us the video. He was inside of a classroom in san francisco. You can see the artwork bouncing around. Regardless theres a good chance he felt it. The chief meteorologist has been busy tracking the series of aftershock. What are you seeing . We havent seen anything big over the past few hours. Some of you may wondering okay, we had a this eyepopping 5. 1 why was at the damage worse . It is about the topography and where this was located. The mountains helped to absorb the energy and that could be why the south bay didnt see that shaking as intense. A closer look at the aftershocks and you can see at 2. 9 today. After the initial one we had to point out at 11 47. A three point five at 3 08 at a 2. 8 at 5 20 tonight. When you put this on the scale of things, a 5 magnitude quake is considered moderate. There are about 1500 of them a year. That is equivalent to 1 Million Pounds of explosives. On the shake map we got into some of this blue and a little bit of the purple color as considered light to moderate. We have seen earthquakes that are lower in intensity, but it is all about where that is located. The light to moderate range which did move some objects off some locations but other than that, it wasnt too bad for us. Were back with the full weather update coming up in 15 minutes. Not so bad when it came to transportation. It was impacted by the earthquakes but service was up and running after minutes. They released trains at lower speeds. There were some minor delays of about 15 minutes, but things are back on track shortly after. Delays were minor for bpa service. Trains were delayed for about five minutes for inspection. No damage or injuries. This quake comes as the anderson is in a retrofit. Because of the retrofit project, the reservoir is on the at 3 its normal water level. The project is supposed to bolster the 70yearold dam so it can withstand a major earthquake. But is expected to be completed at the middle of 2024 at the cost of 1. 2 billion. Were you 95,000 peopleEarly Warning alert on your phone . This is either an automatic alert on your android or through a free my shade gap on your iphone. Many got the alert seconds before the quake hit. A lot of people farther away said they got a heads up even as much as 10 seconds of notice. People behind the op the app didnt work as planned today. Director says yes. Keep in mind, the system is not an earthquake predictor. Rather, it quickly detects the shaking originated. Then, it processes the information and send it out. Closer to the epicenter is a, it may have arrived while things were shaking. People likely received notifications before the quake reached them. About half of the injuries in these big earthquakes are because people fall over or things follow people. Things fall out of the bookcase or bookshelf behind me. If everybody gets a warning and if everybody drops, covers, and holds on, we will reduce the number of injuries in a very significant way. His lab and usgs are trying to determine who to target with these alerts. Everyone who will feel the shake or those will fill it more intense. If people feel it they want those alerts. One person died and dozens were injured. In october 2007 a 5. 6 magnitude quake shook the san jose area. It struck on the callous vera fault around 8 00. There was no major damage reported. The largest and most distract quake was the earthquake. The 6. 9 magnitude earthquake killed more than 62 people and left thousands hurt. If you ever feel shaking and wants to know exactly how strong it was, make sure to check our quake tracker. Some of the headlines tonight. A developing story in castro valley. A 6yearold in the hospital after a hitandrun. The search is on for the driver. It happened around 5 00 p. M. Underneath avenue not far from the jackinthebox there. Chp says the 6yearold was crossing the street with a sibling when it happened. The victim suffered moderate to major injuries but is expected to survive. As for the driver who took off, investigators need your help to track that person down in the white suv that person was driving. If you have cemented video you are urged to call 911. The mayor was punched in the chest today after speaking at an event. We are learning the police have now assigned him a security detail. Lamarr thorpe said it happened after he gave a speech at the chamber of commerce event. An older white man approached him aggressively. He says the man was acting confrontational so he asked the man to leave. As the male walked away, that man punched him in the chest. The man tried to hit him a second time but other people intervened. Then, the guy took off. The mayor hopes the man is found. Candidates talked about how they would address the most crucial concerns facing the city and crime. Thom jensen was in the and where 10 candidates are in the running seats this oakland native moderated the debate between seven of the mayoral candidates. Today is about figuring out a way to engage without being enraged. With property crime on the rise and order that a historically high rate in oakland, policing and police