>> this is abc7 news. >> it was sort of a jolt and not a lot of swaying, not a lot of motion, just this big bang. it seemed to be over. ama: reaction moment after a magnitude 5.1 earthquake which shook things up a bit around the bay area, including halloween decorations at a south bay home. dan: thanks for joining us. the shaking started at 11:42 this morning. many of us got a warning on our phones a few moments before. more on that in a moment. the quake was centered 12 miles east of san jose along the calaveras fault. there were a series of aftershocks ranging from 2.9 to 1.4, as you can see on this map.

ama: zach fuentes begins our team coverage on what was the largest earthquake in the bay area since a magnitude 6.0 rocked napa. zach: that is what a lot of people are talking about. our sanose bureau ready to go to another interview before this happened. we felt the jolts followed by rapid shaking, then rolling movements that made us a little dizzy in our offices. here in campbell you have visitors throughout the south bay. a lot of them still surprised with how their day turned out. it was anything but a typical tuesday in the south bay. >> it was warm and beautiful and suddenly i felt something weird, a rumble, and decided it was possibly going to be a big quake. i took off into a doorway. >> i was sitting at my desk working. i felt a pretty big jolt and turned to my coworkers. is this an earthquake? zach: people sharing similar

experiences. the general consensus matches up with the science that this is the stockist earthquake we felt in the last eight years. >> i had not driven my car in a few days. i felt the road on even. i did not really think anything except is there something wrong with my car or my tires? a couple minutes later i got a text message saying, did you feel the earthquake? zach: thankfully no reports of injury or damage. one restaurant owner said the shaking did cause minor damage. >> we felt a little bit of the shaking. a few bottles dropped off from the shelves. we realized it was an earthquake. zach: customers in the restaurant at the time struggled to process what was happening in the moment. >> stuff falling off the shelves. i thought somebody dropped something. zach: in addition to the wine in the front of the bar, the owners say food on prep tables in the back fell to the ground, all of this forcing them to rethink

their set up. >> we have a big wine room in the back. we have a lot of wine. yes, we need to place the wine in a different way so that if something like that does happen, everything can be in place. zach: again, the most important thing is that no injuries were reported. no major damage. one thing i asked every person i spoke with today is after all of this, do they feel they are prepared for a major earthquake? each person said no. i'm one of those people too. this served as a great reminder for those all over the bay area that it is key to stay ready. live in campbell, zach fuentes, abc7 news. ama: cruise with the santa clara valley water district moved quickly to inspect the anderson dam, a major seismic retrofit project underway. the federal government ordered the fix after determining the structure needed to be strengthened to withstand a major quake on the calaveras fault. the reservoir had to be drained.

the project began last year and is expected to take at least three years to complete. dan: people all across the bay area received an advanced warning about the quake via the myshake app, which was developed at uc berkeley. abc7 news reporter stephanie sierra with the early warning system and how effective it actually was. stephanie: that app myshake was not only effective, but efficient. most people on social media reported they got the noticed seconds before the quake hit. that is what the technology is designed to do. experts are already looking at ways to make these alerts even faster. before an earthquake hits, every second counts. that is why the state rolled out the app called myshake in 2019 to warn people with an alert on their cell phones before the ground starts shaking. this professor is the director of uc berkeley's smyth's knowledge he lab, where this -- seismology lab, where this app was developed.

he happened to be giving an exam to 500 students went a quake hit east of san jose. >> all of our phones went off. everyone has the myshake app downloaded so they get the early warnings. stephanie: he said his students received at most a second or two notice before the ground started to shake. >> we study hard the feedback. are we alerting the right group of people? do we have to alert a wider or smaller area? stephanie: the warnings are sent to the app through a system run by the u.s. geological survey and california department of emergency services. the technology has been in the works for over the past decade, but has only been in the market for a few years. >> it's a test for the early warning system. stephanie: the bay area has been a training ground for quake alert systems. an earthquake consultant says the best results provided a 10 second morning. >> can we create a system that gives us more than 10 seconds? probably not. for the shaking to be really

strong the earthquake needs to be really close. if it is really close, the seismic waves will arrive soon with respect to our ability to identify that wave. stephanie: but new research is underway to advance that. >> we don't just use seismometers in the ground, but we can use everybody's cell phone as another source of warning. stephanie: still, he says that warning will always be in the ballpark of 10 seconds, a timeframe that alan and his team are working towards. >> we live in earthquake country. we need to be ready for large earthquakes than this. stephanie: that is why the timeliness and accuracy of these alerts are crucial. the shaking will be 10 times stronger with a magnitude six quake and 100 times stronger with a magnitude seven quake. that is the big threat. alan says they are always preparing. stephanie sierra, abc7 news. ama: of course that quake caught

those that don't have the app by surprised. one man's reaction was captured on his home to pretty camera. this man without smoking when the shaking started. you can see the rattling string of lights on the left as the man goes in the home to make sure a young child is safe. this one is -- this is one of several social media posts when the quake was happening. it had artwork swinging inside this mostly empty classroom. the teacher was the only person in the room and recorded this video, including his own reaction. dan: the earthquakes are placed on the calaveras fault. we asked a seismologist how the calaveras differs from the more well-known san andreas fault. >> the calaveras moves more slowly. it has less total motion than on san andreas. it moves less often, or releases less energy.

but it seems to have these small earthquakes more often. it also creeps, which means it does move a bit at the surface without an earthquake. dan: dr. jones says the calaveras and hayward falls are part of the san andreas fault system. the calaveras is capable of a magnitude seven earthquake. ama: this is video of the last major quake on the calaveras fault in april of 1984. the so-called morgan hill quake had a magnitude of 6.2 and was centered in hall valley, 12 miles from san jose. it caused a reported $10 million in damage and was felt as far north as san francisco. dan: it reminds us we are on watch for the big one, one day. experts say there is a 64% probability of a magnitude 6.7 earthquake or larger striking the bay area in the next 30 years. we want to help you prepare. go to abc7news.com on steps to

prepare, including how to make a kit and stay informed. ama: another way to stay informed, the abc7 news app. the app sent out an alert letting people know right after the quake. download the app and enable notifications. dan: check that out. just ahead, the other stories making news today, including the effort to reduce violent crime in oakland. those efforts seem to be working. ama: also live in san francisco, teachers and staffers are holding a rally demanding affixed to the system messing up their paychecks. abc7

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vo: climate change is fueling a wildfire crisis. destroying our forests. threatening our communities. polluting our air. prop 30 taxes those making over $2 million a year. no one else pays a penny. 30 will reduce the tailpipe emissions that drive climate change. and prevent wildfires and toxic smoke. so we have clean air to breathe. this is about our kids' future. omar: prop 30 helps contain fires and combat tailpipe emissions. vote yes on 30.

ama: a woman is dead after an early morning house fire in san jose. five were in the home when the fire started, four were able to get out, but the fifth, the woman, got trapped. a firefighter tried to rescue her but fell through the floor and had to be taken to the hospital. the woman did not make it. the firefighter and two other people suffered minor injuries. dan: let's go to the east bay. efforts to combat violent crime in oakland seem to be working, that according to the police chief. he says the city's homicide rate is down significantly from last month. but oakland has had more than 100 murders for three years in a row, including 105 this year so far. at that pace this year could be the deadliest in a decade. abc7 news reporter ryan curry explains how police hope to make progress.

ryan: oakland's police chief announcing a drop in homicides compared to the previous month. >> september 26 through today we've had nine lives lost in oakland. ryan: compared to the month before, seven homicides. that prompted the police chief to announce a 30 day all hands on deck approach to stop more deaths. >> we know that gun violence is committed by a small group in our city, but we have to know who they are, who they are in conflict with. we have to get in front of these shootings. ryan: oakland has seen homicide numbers pass triple digits this year, the majority of them involving guns. chief armstrong said in the last 30 days they recovered over 80 guns and arrested 120 people. he announced the same approach will happen for another 30 days. >> >> someone is out driving gun violence in our city. we need to identify and arrest them. ryan: opd says so far this year they recovered over 2000 guns.

chief armstrong said the approach needs to be making sure residents feel safer. >> we will do our best to get people off the streets that are driving violent crime. we believe that with the number of guns we have recovered through this operation definitely has made an impact. ryan: oakland police announced they received a $1.5 million federal grant they say they will use to hire more police officers over the next few years. they say getting adequate standing -- adequate funding will help. ama: a 16-year-old is in critical condition a day after being stabbed at an elementary school. the incident happened on the grounds of linwood elementary before 7:00 last night. police say the 16-year-old suffered multiple stab wounds. a 17-year-old was also stabbed, his wounds minor. police say witnesses saw our group of people living -- of people leaving in a car. dan: san francisco publics cool

teachers are protesting over the continuing problems with their paychecks. this is a live picture. the superintendent acknowledges the district has not been able to get out in front of this problem. abc7 news senior education reporter lynn melendez breaks down the latest efforts to find a solution. lynn: it has been nine months since the payroll nightmare on flanker street -- on franklin street began. >> every time i get a paycheck i have to think of it as my last, because i really don't know when i will get paid or how much. lynn: the san francisco unified school district switched to a new payroll system last january. in march, teachers fed up camped out at district headquarters in protest. >> i am owed about $2000 or so. >> let me start with an apology. lynn: apologies were made by the now former superintendent. the system glitch was blamed on technical issues causing random

mistakes. it is now october and the teachers union believes about 400 teachers are still having problems. >> if you are a new educator or changed your 403 b country since or have multiple -- 403 b contributions, they are struggling to make members whole. lynn: maria began her teaching career just two months ago, encouraged by school district officials because of the teacher shortage. but she claims she never got the support she needed, or a paycheck. >> being asked if i wanted a loan check, then being asked how badly do you need the money? on top of that being told, well, you made your choice for not taking the loan check. that is what did it for me. lynn: she quit last week. last month the district hired a management consulting firm to assist in sorting things out. the estimated cost is $2.8 million. it was also announced that

beginning wednesday there will be a call center in place to answer questions and concerns staff may have. leanne melendez, abc7 news. ama: a poll shows most americans want more action on climate change, but there is one thing important that they seem to be in the dark about. that story, plus meteorologist that story, plus meteorologist sandhya you didn't live this strong, this long to get put on the shelf like a porcelain doll. but one out of two women over 50 will suffer a fracture from osteoporosis. you should know you can build new bone with evenity® for postmenopausal women with osteoporosis at high risk for fracture. ask your doctor if you can do more than just slowing down bone loss with evenity®.

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far less than was promised. sound familiar? it should. vote no on prop 27. ama: dozens of residents in east oakland hit the streets to rally

against a neighbor who they say is making the air they breathe hazardous. a foundry used to make iron products. neighbors say production there spewed toxic pollution into the air for decades. the foundry saying it has ceased all manufacturing operations at the east oakland land. but protesters say the damage is already done. >> i have copd. i have been living less than a mile from here since i was 16 years old. i have grown children that when they play on the playground, just have random nosebleeds, headaches all the time. now i have grandchildren that i don't want them breathing in this unhealthy air. ama: the foundry also says it plans to vacate the east oakland property by the end of january. dan: the vast majority of americans don't think enough is being done to fight climate change. a new associated press poll shows that nearly two thirds of americans think the federal government's effort is falling short. the poll also states respondents

know little about the sweeping new law that makes the country's largest ever investment to combat climate change. 61% say they are unaware of the details of the inflation reduction act passed in august which aims to decrease greenhouse gas emissions by 40%, below 2005 levels, by the year 2030. ama: everyone is talking about that earthquake today. dan: widely felt around the bay area. meteorologist sandhya patel was tracking that and our forecast. sandhya: i want to show you how many reports we had in the last few hours since that 5.1 magnitude earthquake shook the south bay. we have had eight reports in the last few hours. the latest one was around 3:08 this afternoon, a magnitude 3.5 aftershock. it was on the calaveras fault, the largest bay area earthquake since 2014, when napa was hit with a 6.0 magnitude earthquake.

we are checking out live doppler seven. you can see a really good system pushing into the pacific northwest, bringing much-needed rain, some high.elevation snow there was a system that passed through earlier today. it was just in the matter of high clouds. now we are still dealing with higher clouds and cooler weather with the passage of that front by a few degrees. six degrees cooler in san francisco. five degrees cooler in oakland. wind is definitely up. 30 miles an hour onshore in san francisco, gusting to 24 in half moon bay. beautiful blue skies from our golden gate bridge camera. grab the jacket before you go because it is actually 59 in the city, 63 oakland. 67 in san jose. 57 in half moon bay. you are noticing clear skies as we look from our roof camera. gusty in santa rosa. 76 fairfield. 72 in concord there it this is a

nice view from our santa cruz camera. high clouds overnight, chilly in the morning. breezy and brighter tomorrow afternoon. it is trending dry for the weekend and halloween. overnight tonight temperatures are going to plunge. there is a frost advisory for lake and mendocino county. temperatures to the los 30 -- to low 30s. good idea to bring in plans or cover them. if they are sensitive they will get killed or damaged by that frost. morning temperatures will be in the 30's and 40's. we will have high clouds to start the day. . in theafternoon it will brighten up clouds will fade. mild inland. low 60's cosigned. another breezy afternoon. 66 in the city. as we look at what is ahead, that next system in the pacific northwest may bring an opportunity for showers in northern california. for us we wait until saturday. a few freckles saturday night in the north bay.

for the rest of us it does not look like anything will show up. here is the accuweather 7 day forecast. a breezy afternoon. warmer for yoursbahu ty.da down. possibility of a few freckles in the north bay saturday night, but not a game changer. no tricks for halloween. all treats. ama: that is the way we like it. at least for the kids. dan: and the big kids too. sandhya: that is right, chris alvarez yesterday said he will be trick-or-treating. dan: i have an outfit planned. i will put it out when it is done. [laughter] ama: always leave us hanging for a bit. when we come back, the new spot in san francisco where residents

i see it in my office all the time. kids getting hooked on flavored tobacco, including e-cigarettes. big tobacco lures them in with flavors like lemon drop and bubble gum, candy flavors that get them addicted to tobacco products, and can lead to serious health consequences, even harming their brain development. that's why pediatricians urge you to vote yes on prop 31. it stops the sale of dangerous flavored tobacco and helps protect kids from nicotine addiction. please vote yes on 31. vote yes on prop 31.

ama: a reminder you can get our live newscasts, breaking news and more with our new abc7 bay area streaming tv app on apple tv, google tv, fire tv and roku. search abc7 bay area and download it. dan: finally tonight,, a new park in mission bay is up and running and open to the public. ama: mayor breed and other city officials, including the district six supervisor gathered to supervise -- to celebrate the new public space. the park is located along the south bank of mission creek between the fourth and 3rd street bridges. dan: the 1.7 acre space is an extension of mission creek park and features a lot of greenery, a multiuse trail, and plenty of spots for community gathering. parks make the city so livable. there are more than 200 parks in san francisco. now there is one more. ama: love it. dan: that is this addition of abc7 news.

david muir is up next with world news. ama: for all of us, thank you for joining us. vo: climate change is fueling a wildfire crisis. destroying our forests. threatening our communities. polluting our air. prop 30 taxes those making over $2 million a year. no one else pays a penny. 30 will reduce the tailpipe emissions that drive climate change. and prevent wildfires and toxic smoke. so we have clean air to breathe. this is about our kids' future. omar: prop 30 helps contain fires and combat tailpipe emissions. vote yes on 30. this is gloria. she hasn't worked this hard to only get this far with her cholesterol. taken with a statin, leqvio can lower bad cholesterol by over 50% and keep it low with two doses a year.

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tonight, breaking news. the largest earthquake to rattle the san francisco bay area in years. residents warned to stay on alert. tonight, scientists on the reason why. >> and that deadly school shooting. tonight, the arsenal now discovered and the note. authorities say the 19-year-old just graduated from the st. louis area high school last year, and that is another case of a young man armed with an ar-15-style rifle. tonight, the images, the weapon, and more than 600 rounds of ammo. the sheriff revealing the disturbing message and the handwritten note. alex perez in st. louis tonight. also tonight, that 5.1 earthquake rattling the san francisco bay area centered just outside san jose. the strongest to hit the area in nearly a decade. residents and that warning tonight to stay alert. we'll hear from the scientists tonight. the triple threat in hospitals.