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 … I�ic� � For residents of the San Francisco East Bay, the greatest seismic hazard is the Hayward Fault. 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 pretty much runs through the center of downtown Fremont and many of its suburban neighborhoods where this walk is located. The Hayward fault is due for another large earthquake very soon. Skip to Main Content. Is A Powerful Earthquake Likely To Strike In The Next 30 #ǡ�@� �- �K3� The Hayward Fault is capable of producing a 7.0 earthquake over an area with hundreds of hospitals, schools, police and fire stations. The last quake of a similar size (between 6.8 and 7.0) on the Hayward fault was in 1868. You can look at numerous pictures along the fault as well as view the actual fault path, all with beautiful satellite images! 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. 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. In the simulation, the earthquake starts at the very northern section of the fault near Richmond and ends near Hayward. We have documented a chronology of 11 paleoearthquakes on the southern Hayward fault (HS) preceding the Mw6.8, 1868 earthquake. 0000572461 00000 n We’ve updated this video: https://youtu.be/GhFMtCmHc9cOctober 21st will mark the 141st Anniversary of the 1868 Hayward Earthquake. 0000190791 00000 n Click the link below to look at different faults in the Bay area as well as other neat maps of the Bay! Earthquake Science Zones: There will be two sites that people could ask scientists and educators about the science behind the Hayward Fault. 0000468606 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. 0000565858 00000 n 0000361234 00000 n These large earthquakes were both regular and frequent, as indicated by a 0.40 coefficient of variation and mean recurrence interval (MRI) of 161 ± 65 yr (1σ of recurrence intervals). A shaking intensity map for the 1868 Hayward fault earthquake. It runs through densely populated areas, including Richmond, El Cerrito, Berkeley, Oakland, San Leandro, Castro Valley, Hayward, Union City, Fremont, and San Jose. (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). 0000244356 00000 n 0000552178 00000 n 0000052876 00000 n State of California. 0000077003 00000 n USGS. 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. The Hayward fault is a 90 kilometer long crack in the Earth's crust that travels through the San Francisco Bay area. Hayward Earthquake Map ¬ Legend Accurately Located Fault Traces Fault Zone. 0000011719 00000 n Digital Map of the Hayward Fault. The Hayward Fault. 0000001834 00000 n The Hayward fault is due for another large earthquake very soon. There are roughly 30,000 miles of faults cutting across California, but the three fault sections that most concern many seismologists are the San Andreas, San Jacinto and Hayward. 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. 0000505178 00000 n MMI Shaking Zones for a potential 6.9 Earthquake on the Hayward Fault, California Geological Survey Data notes: 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. 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. Geophysicist and author Horst Rademacher has written this guide to a brief walking tour of the Hayward Fault on the UC Berkeley campus: The USGS has made a virtual tour using Google Earth. 0000567396 00000 n 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. 0000036374 00000 n For residents of the San Francisco East Bay, the greatest seismic hazard is the Hayward Fault. A recent study found such an event would cause an estimated 800 deaths, 18,000 injuries and billions in damage. 0000263306 00000 n 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). When the last quake struck the Hayward Fault in 1868, the Bay Area was sparsely populated. The few remaining Native Americans in the area spoke of the earth shaking and ocean rising to consume the land. 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. 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).

However, as in 1906, well-constructed buildings on firm ground sustained much less damage.Towns in the East Bay suffered the most severe damage. For those interested in more information on the famous 1868 Hayward fault earthquake, the USGS has great information about this event. 0000003190 00000 n 0000072676 00000 n 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: Hayward Earthquake Map ¬ Legend Accurately Located Fault Traces Fault Zone. Which Fault Line Do I Live On A Guide To The Major Bay Area. It is divided into small regions from Fremont to San Pablo Bay. The fault is slowly moving, resulting in offset of structures like this curb. 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 standard black garden ant, or a quarter of a jelly bean. The Hayward Fault Zone is a geologic fault zone capable of generating destructive earthquakes.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.It runs through densely populated areas, including Richmond, El Cerrito, Berkeley, Oakland, San Leandro, Castro Valley, Hayward, Union City, Fremont, and San Jose. The largest of the DFW-area earthquakes was a 3.3 magnitude event reported by the USGS National Earthquake Information Center. 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 … In fact, it was considered the “great earthquake” until the San Andreas Fault tore San Francisco apart 38 years later. trailer Scientists examined a hypothetical earthquake, the magnitude 7.0 HayWired earthquake scenario. 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 Hayward Fault. and that much life-safety protective work remains to be done. A ticking time bomb . Courtesy USGS Show More Show Less. A fault’s length is related to the maximum strength of an earthquake it can produce. It comes just over four months after a 4.4 magnitude quake along the fault near Berkeley. 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. Take a virtual tour with Google Earth to explore what the East Bay looked like in 1868 and what the damage was like. 0000027984 00000 n

earthquake on the Hayward Fault. Since then, nearly three million people have moved next to the Hayward fault with little regard for its earthquake potential. The Hayward fault runs through the East Bay hills from Richmond to San Jose. 0000138233 00000 n 0000077224 00000 n 0000073986 00000 n Hayward was ranked as the 32nd most populous municipality in California. A shaking simulation for the San Francisco Bay Area for a magnitude 7.0 earthquake on the Hayward Fault. 0000487440 00000 n The Hayward Fault Zone is a geologic fault zone capable of generating destructive earthquakes. 0000001910 00000 n 0000208292 00000 n Severe earthquakes were generated by this fault zone in 1836 and in 1868, and several large earthquakes have been recorded since 1868. startxref Scientists are keeping a nervous eye on the Hayward fault, which runs along the most urbanized edge of San Francisco’s East Bay.The Hayward fault activity is capable of generating destructive earthquakes. A recent study found such an event would cause an estimated 800 deaths, 18,000 injuries and billions in damage. 0000073180 00000 n 0000574351 00000 n 0000121858 00000 n It was considered the "Great Earthquake" until 1906. The older map on the right shows an earthquake fault zone as semi-parallel lines connected to small circles where the lines change direction. 6 0 obj<> endobj USGS. You can also view a shake map for the event and see how severe the earthquake was in different parts of the Bay Area. Map showing active fault traces within the Hayward Fault Zone, including a virtual tour of the Hayward fault in the east San … 0 It comes just over four months after a 4.4 magnitude quake along the fault near Berkeley. 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. For those interested in more information on the famous 1868 Hayward fault earthquake, the USGS has great information about this event. 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.

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