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13.2 km from Then a visual of a large 3. When most of us on the West Coast think about Los Angeles earthquakes, we think of the Southern San Andreas fault. Watch this educational video for the best way to make your home safe. Los Angeles has a 31 percent chance within the next 30 years of experiencing a magnitude-7.5 earthquake, according to the U.S. Geological Survey. Fillmore According to unpublished data gathered by MyShake, on September 19, 2020, during a 4.5-magnitude quake east of Los Angeles, ninety per cent of alerted users received their warning before the. Nostradamus predicted many terrible things would happen on earth, including a zombie apocalypse and a global famine, though the events don't necessarily state 2021 as the starting time. California is about 80 years overdue for The Big One, the kind of massive earthquake that periodically rocks California as tectonic plates slide past each other along the 800-mile long San Andreas fault. Building standards in California are significantly stronger. Modern-day believers contend his predictions have foreseen some modern-day tragedies, including Adolf Hitler's reign and America's 9/11 attacks. Los Angeles, Elliott: Kings use their heads over hearts in trading Jonathan Quick, Sherman Oaks Notre Dame overcomes deficit to win Mission League opener, Snowboarder dies at South Lake Tahoe resort, California to alter COVID rules in healthcare settings: Masks and vaccinations not required, Welcome to the world, baby Winter, born amid a snowstorm in Lake Arrowhead, Gripped by grace: Thousands gather for Bishop OConnells funeral Mass, Civilian oversight commission calls for sheriff to outlaw deputy gangs, ban their rituals. 5.2 km from San Andreas Fault on Pallet Creek Road in Juniper Hills. (8.2 miles), 2023-02-17 08:46:00 UTC According to Google Trends, searches increased for such terms such as "quake prediction" and "earthquake prediction Los Angeles.". An aerial view of a damaged building after the Turkey earthquake. Yet, the last one struck in 1918. Determining your risk with regard to earthquakes, or more precisely shaking from earthquakes, isn't as simple as finding the nearest fault. A hospital collapsed in the Mediterranean coastal city of Iskanderoun, according to the Associated Press. Spirit pointed to a book I write predictions in implying this is an old prediction. Deep Earthquake Rattles Much Of Southern California. The 2019 Ridgecrest earthquakes that hit Southern California were felt as far away as Las Vegas and Arizona. Whether it is the giant San Andreas or sleeper segment of the San Jacinto Fault, earthquake shaking will cause great devastation for the Los Angeles community. Epicenter at 34.443, -119.0 Large aftershocks can occur for months, years and even decades in a broad region, with a mega-quake potentially ushering in a generation of heightened seismic activity. EarthquakePrediction @Quakeprediction Earthquake prediction California, Alaska, Japan, Greece and Italy. This prediction most likely came from: a geologist A scientist announces that the best possible chance for finding life on other bodies within our solar system would be on Jupiter's moon Europa. 3.2 km from Los Angeles and Big Sur on the Pacific Plate. 4.2 km from ", The Twitter account, which has about 45,700 followers, is connected to the website quakeprediction.com, which claims: "We have been researching earthquake prediction since 2005," adding, "We are not associated with the USGS earthquake prediction site. at 23:35 February 12, 2023 UTC, Location: 7 earthquakes in the past 7 days. Earthquake early warning app for Los Angeles . The region has faults that run through areas with thousands of buildings and millions of people. For instance, the great 1906 earthquake ruptured a vast swath of the northern San Andreas fault, from Humboldt County near Eureka, through the San Francisco Bay Area and approaching San Benito County, east of Monterey. California's Big Earthquakes California Department of Conservation administers a variety of programs vital to California's public safety, environment and economy. Contact 211 for less urgent matters. Earthquake prediction has been a hope since the ground shifted beneath ancient peoples. (6.2 miles), 2023-02-23 04:33:37 UTC at 10:54 February 18, 2023 UTC, Location: The reason for a such a powerful aftershock has much to do with where it was located: on a separate fault from the first one. at 11:18 February 13, 2023 UTC, Location: If a quake on the San Andreas triggered another fault that was primed to rupture, she said it could rip through a much larger fault than you might expect.. This is the initial publication of the results of a cooperative project to examine the implications of a major earthquake in southern California. The Lab serves as a focal point for earthquake information in Southern California and the world. (4.2 miles), 2023-02-20 10:26:11 UTC What is a seismic zone, or seismic hazard zone? Is it safe to go to X since they've been having a lot of earthquakes lately? There is no question that were going to learn an enormous amount from the Turkish quakes, said Ross Stein, a seismologist formerly with the United States Geological Survey scientist and now a consultant. Big Bear Lake (0.2 miles), 2023-02-10 18:09:20 UTC The San Andreas Fault poses a threat in the northern and southern portions of California. But the worst damage was concentrated in relatively small areas and did not halt daily life across all of Southern California. at 06:05 February 11, 2023 UTC, Location: More than 4.5 million living in San Bernardino-Ontario and 10 million people in Los Angeles County are living near active or passive faults. Fontana 13.2 km from 9.2 km from Your California Privacy Rights/Privacy Policy. But when you get into these regions where you have a spatially complex fault network, you can also get large aftershocks on different faults that have a different geometry, that are also some distance away.. Government disaster assistance, if available, may only come in the form of a small grant or capped loan, which may cover only a portion of your repair costs and may need to be repaid. at 08:14 February 23, 2023 UTC, Location: Please refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in, Low-level quakes have struck Los Angeles this year, but its unlikely theyve upped the chances of a more serious one rocking California, Find your bookmarks in your Independent Premium section, under my profile. The Ridgecrest earthquakes followed a 25-year "quiet period" after Northridge. at 03:01 February 24, 2023 UTC, Location: Seismologist Lucy Jones says the outcome will be worse if it happens on faults in metropolitan areas, such as Hollywood. Evidence shows that the San Andreas, San Jacinto and Hayward faults should produce a major earthquake roughly three or four times per century (Biasi and Scherer, 2019). Californians have been waiting for the quake they . The southern section of the San Andreas where the last major earthquake was the one in 1857 has several relatively long secondary faults, including the Garlock, which runs at an angle to the San Andreas across the Mojave Desert, and the San Jacinto, which is parallel to the San Andreas at the Salton Sea. 25 earthquakes in the past 30 days. Brittle concrete: L.A. has made slow progress on getting brittle concrete buildings retrofitted. 11.2 km from The San Andreas fault produced the epic 1906 quake that destroyed San Francisco. More than 80 Los Angeles County Fire Department personnel were dispatched Feb. 6 as part of the U.S. Agency . 5.2 km from The aftershock, which released less than 1 percent of the energy of the 7.8 quake, was within the range of aftershocks that would be expected, said Debi Kilb, a researcher at the Scripps Institution of Oceanography who studies aftershocks. Whats next is a really tough problem for us, seismic expert Dr Kenneth Hudnut told The New York Times, following the release of the study. CUDAHY (CBSLA) A deep earthquake was felt through much of the Los Angeles area just before 9:30 a.m. Tuesday. Start your Independent Premium subscription today. Southern California could be isolated for some time, with the region surrounded by mountains and earthquake faults. California has been working to improve seismic safety rules for vulnerable buildings. Earthquake Prediction Issues and Concerns Social utility of earthquake prediction Possible negative consequences Generic questions for public policy Changes in the Time Parameters of Predictions PAGE vi i i ix II. . Secure .gov websites use HTTPS IV. 9.2 km from On Thursday, July 4th, at 10:33 a.m. PST a magnitude 6.4 earthquake struck about 12 kilometers (10.5 miles) southwest of Searles Valley. Copyright 2023 KABC Television, LLC. Epicenter at 34.191, -117.442 Chance of 1 or more M6.7 or greater earthquakes striking CA*. When the Big One hits, it will be 44 times stronger than the Northridge earthquake of 1994, which killed 72 people, injured 9,000, and caused $200 billion in damage. LOS ANGELES (KABC) -- A warning about a purported earthquake that was "likely" to rock Southern California earlier this week gained just enough visibility to alarm some residents of the region -- before the noted seismologist Lucy Jones took to Twitter and offered valuable insight into how dubious the forecasts from some self-described predictors can be. Such an earthquake would cause widespread damage from Palm Springs to San Luis Obispo and everything in between, experts say. Earthquake forecasts are based on research from (2005 to 2023) earthquakechannel@yahoo.com Science & Technology California Prediction quakeprediction.com Joined May 2009 5 Following 54.9K Followers Tweets Tweets & replies Media Likes (2.2 miles), 2023-02-22 19:07:02 UTC (16.2 miles), 2023-02-11 05:28:33 UTC However, asking if it's safe to travel somewhere because of recent earthquakes is Worldwide the probability that an earthquake will be followed within 3 days by a large earthquake nearby is somewhere just over 6%. Brick buildings: Some cities like Los Angeles long ago required retrofits of un-reinforced brick buildings. Without residential earthquake insurance you will be responsible for all repair and/or rebuilding costs. The East and North Anatolian and the San Andreas are all transform faults, products of the stresses that build at the boundary where one of the Earths large crustal plates slowly moves past another. Epicenter at 34.264, -118.477 A seismic hazard zone describes an area with a particular level of hazard due to earthquakes. Probabilities and forecasts are comparable to climate probabilities and weather forecasts, while predictions are more like statements of when, where, and how large, which is not yet possible for earthquakes. Contributed by the Griffin Family, courtesy of U.S. Geological Survey. Santa Susana Main freeways to Las Vegas and Phoenix that cross the San Andreas fault would be destroyed. We arent going to see it everywhere 1,000 kilometers away, but were going to see it.. Theres just not great way to know when exactly The Big One may come, according to seismologist Dr Lucy Jones. What is the probability of a largeearthquake striking Southern California? One of the worst nightmares for many Pacific Northwest residents is a huge earthquake along the offshore Cascadia Subduction Zone, which would unleash damaging and likely deadly shaking in coastal Washington, Oregon, British Columbia and northern California. Ground shaking is the primary cause of earthquake damage to man-made structures. Fontana The new model, referred to as the third Uniform California Earthquake Rupture Forecast, or "UCERF" (http://www.WGCEP.org/UCERF3), provides authoritative estimates of the magnitude, locat, The primary goal of U.S. Geological Survey (USGS) Natural Hazards Response is to ensure that the disaster response community has access to timely, accurate, and relevant geospatial products, imagery, and services during and after an emergency event. 12.2 km from But California has experienced quakes of that magnitude and greater and scientists have spent years developing simulations of how The Big One would play out in the Golden State. Learn more about major faults, capable of causing extensive ground shaking: The shaking from a major earthquake can move almost everything inside your home. The 5.4-magnitude quake was centered about 30 miles south of Eureka. 7.2 km from The trouble is the uncertainties on all the numbers in this sequence are huge, Seth Stein of Northwestern University told Science Magazine. 4.2 km from Our insurance rates, based on the latest science and research, are determined by several factors including your homes age, location near a fault, foundation type, construction type, and roof type. An earthquake rattled parts of Northern California on Sunday for the second time in two weeks. What is an earthquake swarm? A .gov website belongs to an official government organization in the United States. at 16:25 February 19, 2023 UTC, Location: For the best choice of CEA earthquake insurance policies,select deductibles from 5%-25%.CEA works with 25 residentialinsurance companies that serve the majority of California homeowners. Are you ready for the big one? Map Frequently Asked Questions (FAQ) 1.2 km from The magnitude of an earthquake isnt enough to determine how much death and destruction it will cause. . Epicenter at 34.05, -117.251 Last year, researchers concluded that a pair of major southern California quakes in 2019, registering 6.4 and 7.1 magnitudes, slightly raised the chances the Big One could strike, though the probability remains low, with about a 1 per cent chance of a major quake along the San Andreas over the next year. Since the initial earthquake in Turkey, 50,000 people there and in Syria have died, and hundreds of thousands have lost their homes. What is seismic hazard? On Dec. 20, a 6.4-magnitude earthquake also struck near Eureka. But on average, a quake of magnitude 6.0 or larger is likely to hit somewhere in Southern California every few years. (5.2 miles), 2023-02-18 03:09:03 UTC Mega-quakes that could rupture the southern San Andreas fault from near the Mexican border through Los Angeles County and beyond could trigger major aftershocks and shake cities as far away as Sacramento and San Francisco, according to documents and interviews. So out to something like 1,000 kilometers [620 miles], we have an increased chance of having earthquakes, Jones said. Typically, a Seismic hazard is the hazard associated with potential earthquakes in a particular area, and a seismic hazard map shows the relative hazards in different areas. Fontana The 7.1 and 6.4 quakes were the largest to strike in twenty years. at 10:33 February 18, 2023 UTC, Location: In addition, we have created some other Foreign Hazard Maps for Afghanistan, Haiti, South America, Southeast Asia and the State of Gujarat, India. Latest Earthquakes 4.6 129 km SSW of La Esperanza (El Zapotal), Mexico 2023-03-02 03:58:55 (UTC-08:00) 32.8 km 3.0 6km SE of Lake Pillsbury, CA 2023-03-02 03:54:33 (UTC-08:00) 9.6 km 4.5 Mindoro, Philippines 2023-03-02 01:51:39 (UTC-08:00) 130.6 km 2.8 3 km WNW of El Moro, Colorado 2023-03-02 01:09:37 (UTC-08:00) 7.4 km 4.5 A highway collapsed in Los Angeles from the 1994 Northridge earthquake. In the Turkey quake, thousands of buildings were reported to have collapsed in a wide area extending from the Syrian cities of Aleppo and Hama to Turkeys Diyarbakir, more than 200 miles to the northeast. The milestone comes seven years after the City Council passed the nations most sweeping earthquake safety legislation, requiring that more than 14,000 buildings be retrofitted. Preparation in areas near a fault are especially crucial. Since Loma Prieta, bay-region communities, governments, and utilities have invested tens of billions of dollars in seismic upgrades and retrofits and replac, The HayWired earthquake scenario, led by the U.S. Geological Survey (USGS), anticipates the impacts of a hypothetical magnitude-7.0 earthquake on the Hayward Fault. The 4.2 magnitude earthquake was "too small to trigger the delivery of #ShakeAlert-powered alerts to cell phones," USGS ShakeAlert wrote on Twitter. You can add the coverage today, no need to wait until your home policy comes up for renewal. JPL experts predict a possible 5.0 magnitude quake in Los Angeles, but say it very well could be stronger. Fillmore 2.2 km from Epicenter at 34.216, -117.417 Loma Linda (8.2 miles), 2023-02-11 06:05:16 UTC 4.2 km from Your home safety review ranks high on your earthquake preparation checklist, after preparing your earthquake safety kit and gathering essential supplies. 3.2 km from But the Hayward fault in the East Bay also poses a major threat, experts say. Two have occurred twice in recent times: the 1906 San Francisco earthquake and one in 1857 in Southern California. The San Andreas fault system consists of many parallel and active fault strands with variable rates of motion. Both quakes occurred on the San Andreas, the 800-mile-long fault that traverses California from north to south. The Southern San Andreas fault is the longest fault in California, slicing through Los Angeles County along the north side of the San Gabriel Mountains. The collapse of two concrete buildings in a quake in New Zealand in 2011 resulted in 133 deaths. Los Angeles area: Within the next 30 years the probability is: 60% that an earthquake measuring magnitude 6.7 46% that an earthquake measuring magnitude 7 31% that an earthquake measuring magnitude 7.5 will occur in the Los Angeles region. The warning comes after two sizeable quakes hit Northern California in less than two weeks. What is ShakeAlert? (7.2 miles), 2023-02-13 21:08:43 UTC Published maps will only provide generalized, uninterpreted information about specific areas. Write CSS OR LESS and hit save. The last two big earthquakes to strike Los Angeles the 1971 Sylmar quake and 1994 Northridge quake caused destruction and loss of life. San Francisco Bay area: Within the next 30 years the probability is: (5.2 miles), 2023-02-23 00:13:05 UTC Heres what could happen in Southern California if a large earthquake struck on the San Andreas fault. Epicenter at 34.134, -117.471 Southern California Earthquake Data Center at Caltech Recent Earthquakes in California and Nevada Click on an earthquake on the above map for a zoomed-in view. The . Look up: The 32 most spectacular ceilings in Los Angeles, This fabled orchid breeder loves to chat just not about Trader Joes orchids, Newsom, IRS give Californians until October to file tax returns, Best coffee city in the world? "If you're asking if a quake prediction is legit: Look at the predictor's account," Dr. Lucy Jones, one of the most esteemed earthquake experts in the U.S., tweeted Wednesday afternoon. Soft-story apartments: Last year, L.A. announced a major milestone: More than 8,000 seismically vulnerable buildings have been retrofitted across the city at an estimated cost of $1.3 billion. USGS names the prime Earth movers as the San Andreas Fault, the Calaveras Fault, and the Hayward Fault. In California, that probability is about 6%. ", The Tuesday evening tweet went on to receive more than 600 "likes" and nearly 400 retweets. WHY THEY DONT WANT YOU TO KNOW WHAT BOOKS THE NAZIS BURNED, New Year in London: Praise for the Genocidal Murderers of Ukraine. A number of top-class players were part of the team in the past, but, no doubt, David Beckham is the club's most significant star. at 17:10 March 03, 2023 UTC, Location: Today's Earthquakes in LA and Southern California Today: 6.5 magnitude earthquake near Port-Olry, Sanma, Vanuatu Yesterday: 6.5 magnitude earthquake near Kimbe, West New Britain, Papua New Guinea Recent Earthquakes Near LA and Southern California Sorted: Filter By Magnitude Nearby Places LA and Southern California has had: (M1.5 or greater) at 00:13 February 23, 2023 UTC, Location: Los Angeles County. Imminent Threat: Alerts issued when an imminent threat to life or property exists in your area, including severe man-made or natural disasters such as earthquakes, wild fires, hurricanes, and tornadoes. Also see:-- Probability of an Earthquake in the Los Angeles Region-- Los Angeles is Moving. If you live or work in the region, you need to know why you should be concerned with earthquakes, what you can expect during and after a quake, and what you need to do beforehand to be safe and reduce damag, New Audiences, New Products for the National Seismic Hazard Maps, 12201 Sunrise Valley Drive Reston, VA 20192, Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands), Region 12: Pacific Islands (American Samoa, Hawaii, Guam, Commonwealth of the Northern Mariana Islands), Uniform California Earthquake Rupture Forecast 3. How do I decide whether or not to get earthquake insurance? Winter storm forecast to reach East Coast after crossing the country. NBC Universal, Inc. A morning earthquake shakes the Southern California coast. By a 2:45 a.m. update, the LAFD confirmed that it had completed "earthquake mode" and its 470 square-mile survey of the City of Los Angeles following the quake. III. You may have heard sirens or gotten alerts as part of the Great California ShakeOut. A magnitude 7.5 temblor struck just after midday. The Ridgecrest earthquakes that hit onJuly 4andJuly 5, 2019with a magnitude 6.4 and 7.1, respectively, were the most recent major earthquakes in Southern California. CTRL + SPACE for auto-complete. >99%. In Southern California, the main strands are the Southern San Andreas Fault, theSan Jacinto Fault, and the Elsinore Fault. The Bay Area native is a graduate of UC Berkeley and started at the Los Angeles Times in 2004. "One guy sent a fax predicting a big quake in LA in the next week to a different company each week. Follow this computer simulation "San Andreas Earthquake Scenario" to view a 186-mile rupture from Bombay Beach to Lake Hughes. No damage or injuries were immediately reported, LAFD said. There is a 60% chance of an Earthquake with a magnitude of 6.7; There is a 46% chance of an earthquake measuring 7 in magnitude; And there is 31% of an Earthquake with 7.5 magnitudes occurring in the Los Angeles region within the next 30 years. More than 400 fires could ignite, burning the equivalent of 52,000 single-family homes, and a lack of water for firefighters caused by old pipes shattering underground could make matters worse, researchers said. (Angelica Quintero and Maneeza Iqbal / Los Angeles Times), Do Not Sell or Share My Personal Information, California hasnt seen a catastrophic earthquake recently. What's everyone talking about? A rift that resulted from a landslide in an olive grove in Tepehan village, Turkey, in the Feb. 6 earthquake. Turkeys Earthquake Zone Is a Lot Like Californias. Match preview. Mekahlo Medina reports for Today in LA on Wednesday Jan. 25, 2023. 6.2 km from CNN A 4.0 magnitude earthquake jolted the Lennox area of Los Angeles County early Monday, about half an hour after a less intense tremor, according to the US Geological Survey. at 19:07 February 22, 2023 UTC, Location: (1.2 miles), 2023-02-09 10:32:31 UTC (0.2 miles), 2023-02-23 13:18:05 UTC Great California quake of 2022 San Andres Rupturing and Creating a Waterway Date September 14th, 2022 Time 7:51 AM Duration 32 Seconds Magnitude 10.3 (moment magnitude scale) Depth 15km Epicenter San Andreas Fault Type Strike-Slip Areas affected US West Coast Total damages $500B-$1T Maximum intensity X - Extreme Foreshocks Unknown Aftershocks There is75% probabilityof one or more magnitude 7.0 or greater earthquakes striking Southern California, based on a 30-year period, beginning in 2014. Practice Drop, Cover, and Hold On. Now one quake prediction research firm warned that the next big one could be imminent. 2023-03-03 17:10:36 UTC According to a UCLA study, the majority of the injuries from the damaging 1994 Northridge earthquake were from heavy furniture and household objects falling on people. It was shorter but more violent. In a U.S. Geological Survey report published in 2008 detailing a hypothetical magnitude 7.8 earthquake in Southern California, scientists said a plausible aftershock scenario included a magnitude 6.95 quake that would shake Sacramento and Modesto three days after the mainshock, endangering the stability of the levees, which are crucial for maintaining flood control and water movement from the northern Sierra Nevada to cities across the state. Strongest earthquake in the past 24 hours. The time between big quakes seems to be Poissonian - that means the time since the last quake doesnt matter., Join thought-provoking conversations, follow other Independent readers and see their replies. Damage to homes? The National Weather Service issues an earthquake warning for Los Angeles, California. Other owners began getting orders in 2017. The earthquake zones have much in common, with one long, major fault and scores of smaller, secondary ones. It is possible that when the next Los Angeles earthquake strikes, 270,000 people could be displaced. The co. (1.2 miles), 2023-02-23 08:14:50 UTC Los Angeles Earthquake Prediction - What is LA's Risk of Getting Hit? A plausible magnitude 8.2 earthquake on the San Andreas fault involves the rupture of more than 300 miles of fault, from the Mexican border through Los Angeles County to Monterey County. An earthquake is a sudden, rapid shaking of the earth caused by the shifting of rock beneath the earths surface. (4.2 miles), 2023-02-13 11:18:10 UTC "We know some of you felt shaking and we hope you took a protective action like Drop, Cover, and Hold On," USGS ShakeAlert added. 10.2 km from And a magnitude 7 earthquake rupturing 52 miles of the Hayward fault east of San Francisco could produce significant, damaging aftershocks farther away from the hardest shaken areas beneath Oakland, Berkeley, Hayward and Fremont. Contact your home insurance agent to discuss adding a separate earthquake policy to your home or renters insurance. USGS scenarios project more than 1,800 deaths, 50,000 injuries, and $200 billion in damage to homes, buildings and roads. Dr. Hubbard said the secondary faults she would be worried about triggering, though, would be those that are closer to Los Angeles, similar to one that caused the 1994 Northridge earthquake in the San Fernando Valley. More than 6,000 homes lost power. The San Andreas Fault runs along the coast of California from Humboldt County in the north down to Imperial County near the Mexico border. Port Hueneme at 04:33 February 23, 2023 UTC, Location: NSF Org: . An earthquake rattled parts of Northern California on Sunday for the second time in two weeks. How likely is Big One earthquake to hit after recent LA tremors? Learn about earthquake survival tips to keep your family prepared before the next big one hits. Earthquakes can cause extensive damage to the foundation, siding and roof of homes. 38 earthquakes in the past 30 days. Jones went on to define "postdiction" as "claiming a successful prediction after the quake occurs.". The ShakeOut scenario focused on unretrofitted brick buildings, brittle concrete buildings and so-called soft-story apartment buildings. Search Earthquakes Near You ( Relative2Me ). The last big shock hit the fault in 1857. The existence of the San Andreas fault was brought intensely to world attention in 1906 when abrupt displacement along the fault produced the great earthquake and fire in San Francisco. Dr. Stein described the East Anatolian as a second-string fault that had produced an earthquake almost as powerful as any expected on the much bigger San Andreas. The East Anatolian also accumulates energy at a slower rate than the California and North Anatolian faults. Wednesday weather updates:Winter storm forecast to reach East Coast after crossing the country. at 03:09 February 18, 2023 UTC, Location: Casa Conejo (6.2 miles), 2023-02-05 00:23:12 UTC That may help them better understand the potential strength and location of future quakes in California.