For residents of the San Francisco East Bay, the greatest seismic hazard is the Hayward Fault. 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. A shaking intensity map for the 1868 Hayward fault earthquake. A shaking simulation for the San Francisco Bay Area for a magnitude 7.0 earthquake on the Hayward Fault. 0000061761 00000 n Deadly earthquake fault 02:15 It was one of the deadliest disasters ever to the hit the U.S. On April 18, 1906, the great San Francisco earthquake killed more than 3,000 and destroyed half the city. 0000138233 00000 n Dislocation models of the surface deformation adjacent to the Hayward fault measured with the global positioning system and interferometric synthetic aperture radar favor creep at ∼7 millimeters per year to the bottom of the seismogenic zone along a ∼20-kilometer-long northern fault segment. 0000572461 00000 n Faut Lines the states and the U.S. Bureau of Labor Statistics. Which Fault Line Do I Live On A Guide To The Major Bay Area. Scientists examined a hypothetical earthquake, the magnitude 7.0 HayWired earthquake scenario. 0000001910 00000 n 0000450458 00000 n 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. In 2015, UC Berkeley researchers suggested that the Hayward fault may be connected to the nearby Calaveras fault, which, if true, would mean the potential for a … 0000302810 00000 n 0000225829 00000 n Menu Contact Search This is an easy walk and a good opportunity to educate yourself and your children. 0000190791 00000 n Digital Map of the Hayward Fault. Since it has been more than 144 years since the last major earthquake… The older map on the right shows an earthquake fault zone as semi-parallel lines connected to small circles where the lines change direction. %PDF-1.4 %���� trailer Take a virtual tour with Google Earth to explore what the East Bay looked like in 1868 and what the damage was like. The Hayward Fault is restless. It runs through densely populated areas, including Richmond, El Cerrito, Berkeley, Oakland, San Leandro, Castro Valley, Hayward, Union City, Fremont, and San Jose. The last quake of a similar size (between 6.8 and 7.0) on the Hayward fault was in 1868. 0000322757 00000 n 0000072676 00000 n startxref The Hayward Fault runs through the East Bay from San Pablo Bay in … The Hayward Fault. 0000263306 00000 n The Hayward fault slips in large earthquakes and by aseismic creep observed along its surface trace. According to the USGS, the real threat comes from smaller (about magnitude 7) earthquakes occurring on the Hayward fault, the Peninsula segment of the San Andreas fault, or the Rodgers Creek fault. 0000571510 00000 n The earthquake will cause $90.4 billion damage to residential buildings and 96.4 to commercial buildings. Severe earthquakes were generated by this fault zone in 1836 and in 1868, and several large earthquakes have been recorded since 1868. Examine Hayward's earthquake zones Take a look at the The Hayward Fault Zone and Traces Map to examine where the Hayward Fault runs through our City. 0000521316 00000 n When the last quake struck the Hayward Fault in 1868, the Bay Area was sparsely populated. Dr. Sue Ellen Hirschfeld, previously a Professor of Geology at California State University, East Bay, has an informative website with lots of photos and interesting places to visit. The Hayward Fault is restless. 0000000016 00000 n (Play Video), Cooperative Institute for Deep Earth Research (CIDER), Northern California Earthquake Data Center (NCEDC), The Hayward Fault at the Campus of the University of California, Berkeley (e-book), The Hayward Fault at the Campus of the University of California, Berkeley (PDF). 0000378999 00000 n xref 0 Its last major rupture occurred in 1868, during California's frontier days, and was the original "Great San Francisco Earthquake" until 1906.. The Hayward Fault is capable of producing a 7.0 earthquake over an area with hundreds of hospitals, schools, police and fire stations. Hayward (/ ˈ h eɪ w ər d /; formerly Haywards, Haywards Station, and Haywood) is a city located in Alameda County, California in the East Bay subregion of the San Francisco Bay Area.With a 2019 population of 159,203, Hayward is the sixth largest city in the Bay Area and the third largest in Alameda County. 0000173061 00000 n A map shows where the earthquakes were felt. 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. Since then, nearly three million people have moved next to the Hayward fault with little regard for its earthquake potential. The Hayward Fault Zone is a geologic fault zone capable of generating destructive earthquakes. The Hayward fault is an extremely interesting feature of the East Bay and you can see its footprints all over the place once you know where and how to look. For those interested in more information on the famous 1868 Hayward fault earthquake, the USGS has great information about this event. 8 0 obj<>stream 3 D Geologic And Seismic Velocity Models Of The San. 0000073180 00000 n 0000282595 00000 n Bay Area Earthquake Fault Map Resources San Jose Fault Map South San Jose Fault Map USGS 2014 Significant Earthquakes Archive Hayward Fault Zone List of the strongest California earthquakes Fault Attributes Key NAME is an 80-character field for the name of the fault (including section name, i.e., Denali fault, Holitna section). Of all of these faults, the Hayward Fault has the highest probability of rupturing in a M=6.7+ earthquake in the next 30 years, according to the USGS. The Hayward fault is a 90 kilometer long crack in the Earth's crust that travels through the San Francisco Bay area. The few remaining Native Americans in the area spoke of the earth shaking and ocean rising to consume the land. For those interested in more information on the famous 1868 Hayward fault earthquake, the USGS has great information about this event. We have documented a chronology of 11 paleoearthquakes on the southern Hayward fault (HS) preceding the Mw6.8, 1868 earthquake. The Hayward is one of three major fault zones of the San Andreas system that have produced large historic earthquakes in the San Francisco Bay Area (the others being the San Andreas and Calaveras). The largest of the DFW-area earthquakes was a 3.3 magnitude event reported by the USGS National Earthquake Information Center. A fault’s length is related to the maximum strength of an earthquake it can produce. The Hayward fault zone is considered to be the most probable source of a major earthquake in the San Francisco Bay Area, as much as 28% chance for a magnitude 7 earthquake before the year 2021 (Working Group on California Earthquake Probabilities, 1990). 0000019988 00000 n 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 … Along with great virtual tours, the USGS has many wonderful sets of maps of the Bay Area that show different aspects of living in such a tectonically active area. 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. 0000106617 00000 n Hayward was ranked as the 32nd most populous municipality in California. This event marked the end of a period of severely reduced creep on the southern part of the fault that began after the 1989 Loma Prieta, California, earthquake. A recent study found such an event would cause an estimated 800 deaths, 18,000 injuries and billions in damage. 0000552178 00000 n The Earthquake Effect: Hayward Fault ... Watch the video or scroll through the interactive map to see what sits right on the Hayward fault. What if...A 7.0 earthquake hit the San Francisco Bay Area? Map showing active fault traces within the Hayward Fault Zone, including a virtual tour of the Hayward fault in the east San … The newer map on the left shows an earthquake fault zone as a semi-transparent yellow polygon. 0000001834 00000 n 0000537323 00000 n On Monday evening (May 14), there was a 3.5 magnitude earthquake along the fault centered just east of Oakland. Skip to Main Content. This map of the San Francisco Bay region, California, shows simulated ground shaking caused by the hypothetical magnitude-7.0 mainshock of the HayWired earthquake scenario on the Hayward Fault. 0000121858 00000 n 0000573830 00000 n However, many scientists believe that the Hayward Fault is connected to the Calaveras Fault to the south, the Rodgers Creek Fault to the north and to the Maacama Fault still farther north. 0000487440 00000 n The Hayward Fault runs through the East Bay from San Pablo Bay in the north Luke Blair and Susan Garcia (both from the U.S. Geological Survey showcased the "Faulted Floor" where 60 years of "creep" along the Hayward Fault can be seen. 0000244356 00000 n The Hayward fault is due for another large earthquake very soon. The Hayward Fault in Fremont creeps about 3/16ths of an inch (5mm) per year. This map of the San Francisco Bay region, California, shows simulated ground shaking caused by the hypothetical magnitude-7.0 mainshock of the HayWired earthquake scenario on the Hayward Fault. Take a virtual tour with Google Earth to explore what the East Bay looked like in 1868 and what the damage was like. However, experts say the 800-mile fault which passes through much of California including the San Francisco Bay Area, is overdue for a major earthquake along with the 70-mile Hayward Fault … 0000573364 00000 n

earthquake on the Hayward Fault. endstream endobj 7 0 obj<> endobj 9 0 obj<> endobj 10 0 obj<>/Font<>/XObject<>/ProcSet[/PDF/Text/ImageC/ImageI]/ExtGState<>>> endobj 11 0 obj<> endobj 12 0 obj[/ICCBased 25 0 R] endobj 13 0 obj[/Indexed 12 0 R 189 26 0 R] endobj 14 0 obj[/Indexed 12 0 R 205 27 0 R] endobj 15 0 obj<>stream Hayward Earthquake Map ¬ Legend Accurately Located Fault Traces Fault Zone. The Hayward fault is a 90 kilometer long crack in the Earth's crust that travels through the San Francisco Bay area. 0000027984 00000 n You can also view a shake map for the event and see how severe the earthquake was in different parts of the Bay Area. 0000077003 00000 n Hayward Fault Shake Map. 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. This website offers three ways of viewing new USGS mapping of active traces of the Hayward fault. It is among the most active faults and seismologists warn it will likely be the source of the next "big one" in San Francisco-Bay Area. Its last major rupture occurred in 1868, during California's frontier days, and was the original "Great San Francisco Earthquake" until 1906.. A shaking intensity map for the 1868 Hayward fault earthquake. %%EOF The Calaveras Fault is a major branch of the San Andreas Fault System that is located in northern California in the San Francisco Bay Area.Activity on the different segments of the fault includes moderate and large earthquakes as well as aseismic creep.The last large event was the 1984 Morgan Hill event and the last moderate earthquake was the 2007 Alum Rock event. Hayward Earthquake Map ¬ Legend Accurately Located Fault Traces Fault Zone. 0000002704 00000 n event of an earthquake of magnitude 6.9 on the Hayward fault As is apparent, the most intense (MMI Vlll+) zone would be primarily within the borders of Alameda County. Menu Contact Search The Hayward Fault is capable of producing a 7.0 earthquake over an area with hundreds of hospitals, schools, police and fire stations. For more information, please call Planning at 510.583.4200 or visit our webpage: The fault needs to move about 6/16ths of an inch (9mm) per year to release the energy building up at the surface. <<8017d3c2c394e94f98a43e41337707f7>]>> Running for nearly 74 miles through cities including Fremont, Hayward, Oakland, Berkeley, and Richmond, the Hayward Fault has the potential to wreak more havoc than most California faults. Good opportunity to educate yourself and your children shaking intensity map for the San East... 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