It is a right-lateral strike-slip fault, meaning that motion along it is mainly horizontal, so that objects on the opposite side of the fault from the viewer will move to … A “Tectonic Time Bomb” One of the active earthquake faults scientists are keeping a nervous eye on is the Hayward fault, which runs along San Francisco’s East Bay. at 09:10 December 11, 2020 UTC, Location: Hayward Fault Shake Map. Sometimes, the fault ruptures a little bit and releases a little bit of energy, creating a small earthquake. By Thomas Brocher and other members of the 1868 Hayward Earthquake Alliance The Hayward Fault: Is It America’s The Hayward Fault is capable of producing a 7.0 earthquake over an area with hundreds of hospitals, schools, police and fire stations. 10.2 km from Home insurance policies and tenant insurance don’t include earthquake coverage. (6.2 miles), 2020-11-18 01:49:33 UTC On April 18, 2018, the USGS presented to the public the Hayward Earthquake Scenario (HayWired), a hypothetical earthquake scenario which imagines a M7.0 earthquake centered in Oakland, California, rupturing the Hayward fault along its length for about 52 miles. This is a type of shearing force where the right block moves toward you and the left block moves away. According to U.S. Geological Survey (USGS) scientists, the Hayward fault is set to go off anytime now, and much of the region remains vulnerable. at 04:33 November 18, 2020 UTC, Location: The Hayward Fault is a major earthquake fault that runs for nearly 45 miles (72 km) through the East Bay of the San Francisco Bay region. 1.2 km from Know your risk. Epicenter at 37.511, -122.321 The HayWired Scenario. Fires: Lack of firefighting water could turn some of the more than 400 scenario fires into firestorms, burning the equivalent of 80,000 single-family homes in the East Bay and South Bay. View east towards Hayward before the 1868 Earthquake, showing how few people lived there at the time . One of the most destructive earthquakes in California history happened on the Hayward Fault in 1868, when a magnitude 6.8 killed 30 people and caused significant damage to property. And if it has, be sure to bookmark it for future reference. USGS names the biggest actors as the San Andreas Fault, the Calaveras Fault, and the Hayward Fault. (4.2 miles), 2020-11-17 08:01:56 UTC All three faults are right-lateral strike-slip faults. In the area around this morning’s earthquake, there is significant evidence of creep. All of the cost for residential damage repair and replacement caused by shaking would be out of pocket without earthquake insurance. Epicenter at 38.121, -121.886 Epicenter at 37.74, -122.57 Another reason why California is so earthquake-prone is that it sits upon the dreaded Pacifc Ring of Fire. The Hayward fault’s most memorable earthquake in recorded history was in 1868, and is estimated to have been a magnitude 6.8 earthquake — rupturing 20 miles of the fault… The clock is ticking for the next Hayward Fault earthquake, in fact, it is overdue. (3.2 miles), 2020-12-03 20:58:35 UTC A repeat of the 1868 Hayward fault California earthquake today would have enormous consequences. Hayward: Alarm bells have rung in recent years about the Hayward Fault zone, which stretches over 66 miles from San Pablo Bay down to Fremont, running directly beneath parts of … 13.2 km from Injuries: City of San Francisco Fire Department estimates that, after another major earthquake of 6.8 magnitude, there will be 10 feet of glass in downtown San Francisco on the streets. And in Alameda and Contra Costa Counties along the Hayward Fault, it might take several months. Broadmoor While the Hayward Fault may not have the notoriety of the San Andreas, it is part of the same larger fault system, and according to the USGS, has a greater chance of rupturing in a large earthquake by 2043. Source: USGS The U.S. Geological Survey describes the Hayward Fault as “the single most urbanized earthquake fault in the United States.” Picture via Temblor According to the U.S. Geological Survey, the average rate of creep on the Hayward is 4.6 millimetres per year or about the length of a … 9.2 km from (1.2 miles). Residents of the bay area of California were shaken awake … By the time Lewis and Clark arrived on the West Coast in 1805, it had been 105 years since the Cascadia Subduction Zone last ruptured, sending a large portion of the Pacific Ocean roaring toward the coast. Alamada County Courthouse in San Leandro (photo courtesy of Bancroft Library) When the shaking was over, nearly every building in Hayward was extensively damaged or completely wrecked, while in San Leandro, the second floor of the Alameda County courthouse … at 14:19 November 19, 2020 UTC, Location: The Hayward Fault activity holds the potential for great devastation. A repeat of the 1868 Hayward fault California earthquake today would have enormous consequences. It was considered the "Great Earthquake" until 1906. CEA spearheaded the creation of an earthquake resource page to make it easy for California residents to access vital information about earthquake preparedness. Epicenter at 37.161, -121.549 These scenarios are larger than the magnitude 6.8 Hayward 1868 earthquake, but are about as likely to occur because there has not been a large earthquake on the northern portion of the Hayward fault for about 300 years. The violent shaking from earthquakes can rupture the earth, trigger landslides and turn the surface of the earth to liquid. The Hayward Fault and the 1868 Earthquake. The homeowner or renter needs a separate or companion earthquake policy to cover damages from an earthquake. 5.8 million today) Related Resources: HSDL Featured Topic: Earthquakes; Hayward Fault-Is It Due for a Repeat of the Powerful 1868 Earthquake? Tall, heavy furniture that could topple, such as bookcases, china cabinets, or modular wall units. The Hayward Fault is a mostly right-lateral, strike-slip fault with approximately 5 mm/yr (1/5 inch/year) of creep. The Hayward Fault, or more correctly the Hayward Fault Zone, is a large geological fault zone located along the western base of the hills on the east side of San Francisco Bay. Well OK, but prepare for what?. It’s a one-stop source for information to help you protect your health, your home, and your finances from the inevitable earthquake. This fault … at 08:55 November 29, 2020 UTC, Location: Computer simulations of earthquake shaking on the Hayward and Rodgers Creek faults. Morgan Hill Page 75 of The online version of “The Coming Bay Area Earthquake: 2010 Update of Scenario for a Magnitude 7.0 Earthquake on the Hayward Fault published by the Earthquake Engineering Research Institute describes the situation vividly. Courthouse, San Leandro. (6.2 miles), 2020-12-12 07:10:55 UTC Pleasanton 11.2 km from This fault, called a “tectonic time bomb,” is about 74 miles long. The white lines indicate faults … Pittsburg Over 2 million people live on or close to the Hayward Fault, which has among the highest probability of producing a magnitude 6.7 or greater earthquake in the next 30 years. The Hayward fault is one of California’s fastest moving, and on average produces a major earthquake about once every 150 to 160 years, give or take 70 or 80 years. Population of Hayward in 1870 was 500 inhabitants, today there are 140,000, over 277 times more residents. Almost $80 Billion Invested in Earthquake Mitigation in Bay Area Since 1989 Loma Prieta Quake. There is a 3 out of 4 chance of a damaging earthquake in the Bay Area in the next 30 years. On April 18, 2018, the USGS presented to the public the Hayward Earthquake Scenario (HayWired), a hypothetical earthquake scenario which imagines a M7.0 earthquake centered in Oakland, California, rupturing the Hayward fault along its length for about 52 miles. 5.2 km from Epicenter at 39.038, -123.067 For an Earthquake along the Hayward Fault, you may get a warning of 10 or 15 seconds, which isn’t very much time. More than a million homes would be damaged by shaking if the HayWired scenario earthquake were to occur today. The Hayward fault where the quake shook lies beneath a highly populated area in the Bay—and the next "big one" could be a magnitude 6.8 to 7 earthquake. This fault … Major earthquake on San Francisco's Hayward Fault expected 'any day now': 140-year wait has come to an end, claims geophysicist. If history is any indicator, the Hayward fault is due for another large earthquake. Most injuries are caused by things falling on you, such as plate glass out of a building, a brick unreinforced masonry façade to a building, or a bookcase inside your home. Find out about grants to help for retrofits under the Earthquake Brace & Bolt Program, and the CEA Brace & Bolt program. CEA affordable and flexible home earthquake policies: Whether you are a homeowner, mobilehome owner, condo-unit owner or renter, find out about how to buy the best choices in earthquake insurance. The Hayward fault is a 90 kilometer long crack in the Earth's crust that travels through the San Francisco Bay area. Since then, nearly three million people have moved next to the Hayward fault with little regard for its earthquake potential. This fault is about 74 mi (119 km) long, situated mainly along the western base of the hills on the east side of San Francisco Bay. Hayward Fault Shake Map. The Hayward fault repeats this process over and over and over again. The figure below, from Shirzaei and Burgmann, 2013, shows creep along the Hayward Fault, with the approximate location of today’s earthquake shown. In 1868, the little settlement of Haywards was nearest to the epicenter of the earthquake. (6.2 miles), 2020-12-11 09:10:15 UTC CEA offers earthquake home insurance premium discounts for houses and mobilehomes that have been retrofitted. Reduce your risk by practicing Drop, Cover, and Hold On. History shows that five large earthquakes on the Hayward fault have occurred on average every 150 years—last being in 1868. (8.2 miles), 2020-12-04 10:45:06 UTC Society of California Pioneers. With the Bay Area population now over 7 million people, nearly 3 million people are living along the fault. The Hayward Fault is the single most urbanized earthquake fault in the United States—in 1868 there were only 24,000 residents living in Alameda County; now there are more than 2.4 million people. However, it wasn’t until the discovery of the Cascadia Fault in the 1960s th… Geologic evidence strongly suggests major earthquakes on the Hayward Fault occur about every 140-160 years. at 13:44 November 29, 2020 UTC, Location: Epicenter at 37.865, -122.243 The “Shake Map” at right shows the shaking intensities expected for a hypothetical scenario earthquake (magnitude 6.7) on the southern Hayward Fault, which last ruptured in 1868 in an event of magnitude about 6.9. Damage to infrastructure, such as transportation and utilities, and other long-term economic effects could substantially increase the losses. Clearly the short seismic record will not image all the active faults that exist. Shaking severity from an hypothetical earthquake on the Hayward fault. 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