author rogers th; nason rd u.s. natl oceanic atmos. If you drive into Hollister from the North via California Highway 25, Field trip guidebook T309, 28th International Geological Congress, American the fault through town. It runs east of the San Andreas, diverging from it in the vicinity of Hollister, California, and … (For those not metrically inclined, 12 mm/yr is half an inch a year. Data Center's Panorama view from Vista Hill Park in Hollister, California showing the regional landscape features (click on image for larger view). Hollister, California is located South of the San Francisco Bay area. The Calaveras fault is a predominantly right- lateral strike-slip fault that exhibits aseismic slip along much of it's surface trace. this ``Virtual Field Trip'' on South of the Bay Area the Hayward and Calaveras merge into the San Andreas. Hollister is well known among geologists because it portrays one of the best examples of aseismic creep anywhere in the world. Describe them. Groups traveling in multiple cars might consider using the Public Parking Garage—the entrance is located on 5th Street between San Benito Street and Monterey Street. The Calaveras fault in the Hollister area moves episodically, with shorter times of more rapid slip alternating with longer times of slower slip. Here is a map showing the approximate active trace of the fault for the Am. Offset curb on 6th Street caused by aseismic creep on the Calaveras Fault. Bull., 61, Credit: modified from Scott et al. info@ngdc.noaa.gov (HERE) Begin the walking tour there. right on top of the Southern end of the Calaveras fault. The Calaveras fault, a portion of the fault boundary between the North American and Pacific tectonic plates, bisects the Hollister array along a line striking NNW to SSE. for the most part along a remarkably narrow The USGS continuously monitors their activity. zone running right through the middle of town. In the Bay area there are three major faults, from West to East the San Andreas, the Hayward, and the Calaveras; all are part of the San Andreas fault system. Structural Setting In central California the San Andreas fault is a boundary between the Salinian block to the west and the Franciscan assemblage and overlying strata of the Great Valley sequcncc to the east (Figure 1). (2012) claims that “hollister was built directly on the highly geologically active Calaveras Fault, a strand of the greater San Andreas Fault system.” According to David (2016) on November 19th, 1868, Hollister became a town in California. The Calaveras fault in the Hollister area moves episodically, with shorter times of more rapid slip alternating with longer times of slower slip. 1. City of Hollister website: http://www.hollister.ca.gov/site/index.asp Go visit some other creeping fault locales. Geophysical Union, Washington, D. C. If you can suggest further references, help improve the text, rights and stay out of people's yards!!! (It's now considered to be within commuting range of San Jose.) erased). Rogers, T. H. and Nason, R. D., 1971, Active fault displacement on the Calaveras fault zone at Hollister, California, Seism. If you go to Hollister to see the fault features yourself, start by taking 4th Street to Locust Avenue and turn north (Watch for the street sign on the north side of 4th Street). Geological Survey General Information Product 16, 123 p. Available on-line at: http://pubs.usgs.gov/gip/2006/16/. Sylvester, A. G., and Crowell, J. C. 1989, The San Andreas Transform Belt, The Bay Area fault system and the spot (red star) where the Hayward Fault branches off from the Calaveras Fault. Escarpment and linear ridge (pressure ridge) on the Calaveras Fault along the east side of Highway 25 north of downtown Hollister. the faults in the San Andreas system are not ``stuck'': With the establishment of the mission in 1797, the Mutson and other indians in the region were subjugated into service with the arrival of the Spanish/Mexican settlers in the early 1800s, and all the land was subdivided into ranchos and homesteads. 399-416. number 647-A11-023, ``Seismic Creep''. of the fault moving North. other, only 2.3 km northwest, creeps 12 mm/yr - the fastest rate of The streets running east/west across the fault have significant visible offsets. Fremont's crew had climbed nearby Gavilan Peak and had planted a flag for the United States, but decided to flee when the odds of surviving a military encounter didn't appear in their favor. And of course, thanks to Jon Claerbout for letting me include please respect private property Sunglasses for scale. to just North of Parkfield Downtown Hollister is one of the most important geology field trip destinations in the United States, and for good reason. etc, please let me know! Figure 2-3. In the Bay area With access to the railroad, the regional wealth grew, providing agricultural products to the growing cities and ports around San Francisco Bay. Search ``Movement did not occur between 1910 and 1929, judging from the amount of U.S. Army exploration party lead by John C. Fremont passed through the area in 1847 and had a nearly disastrous encounter with troops under the Commandante General of the Mexican army, José Antonio Castro. Curb displaced right-laterally by creep on Calaveras fault (dotted line), north side of 6th Streeet, Hollister. However, if you visit Hollister yourself you should Google for other web pages about the Calaveras Fault. The town of Hollister was built directly on the highly geologically active Calaveras Fault, a strand of the greater San Andreas Fault system. Hollister is located just North of where this happens, fast, though.). The Calaveras fault is a predominantly rightlateral strike-slip fault that exhibits aseismic slip along much of it's surface trace. view! inline images on any one page. A sag pond and low linear scarp along a second strand “It's just waiting to go off.” 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. The active Calaveras fault passes right through the City, making Hollister one of only a handful of places where active faulting can be seen at the ground surface in an urban area. (Here is a regional map courtesy of Xerox PARC.) Calaveras fault zone at Hollister, California, Seism. geologists nowadays tend to get conscientiously repaired (in other words, The city was built on the elevated river terraces of the San Benito River floodplain. 1. Location. Prior to the establishment of Mission San Juan Bautista, the land in the region was inhabited by the Amah Mutsun Ohlone Indians. The streets running east/west across the fault have significant visible offsets. Rogers, T. H. and Nason, R. D., 1971, Active fault displacement on the Hollister is a pleasant little town, and (2020). The USGS earthquake hazard estimates suggest that there is an almost 100 percent chance of a major earthquake within 50 kilometers of Hollister, California within the next 50 years. The Hayward Fault ends just short of the Calaveras Fault, which runs about 123 kilometers from north of Danville south to Hollister in the Salinas Valley. AltaVista for web pages that link to this one. Sylvester and Crowell, 1989 Hollister Valley is surrounded by coastal mountains including the Gavilan Range to the southwest, the Quien Sabe Range (part of the greater Diablo Range) to the east, and the Lomerias Muertas (or Flint Hills) and the more distant Santa Cruz Mountains to the northwest. Notice in all the photos how the distortion always bends On February 15, 2003 I made my pilgrimage. laid in 1929. Feb 19, 2016 - Hollister California Calaveras fault "San Andreas" geology earthquake Four episodes of deformation that are readily identifiable in the MWDM data for the year following September 1975 can be modeled as slip on the Calaveras fault. Other Earthquake Fault Maps: Parkfield CA Area Faults the usual pattern for faults, they continuously ``creep''. Measuring a fault slip rate is challenging. The fault cuts through the towns of Walnut Creek, San Ramon, Dublin, Pleasanton, Sunol, and Hollister. The West Branch Calaveras Fault Right-lateral offset of curb at 6th Street near Dunne Park Dunne Park Hollister has its faults.... of the earthquake kind, that is. History of Hollister region: The city of Hollister is located in Hollister Valley, a broad lowland basin at the southern end of the greater Santa Clara Valley that extends northward to southern San Francisco Bay. If you can suggest further references, help improve the text, This paper describes MT data from the creeping segment of the SAF near Hollister, California. It starts about 15 miles east of Salinas at the San Andreas and continues northward toward Oakland, where it becomes the Hayward Fault. http://geologycafe.com/fieldtrips/hollister.html, http://www.hollister.ca.gov/site/index.asp, http://tin.er.usgs.gov/geology/state/sgmc-unit.php?unit=CATv1%3B0, Geologic map of the Hollister quadrangle, California. expect to see for yourself most of what I show below, From The USGS continuously monitors their activity. So if you decide to visit Hollister yourself, The USGS continuously monitors their activity. The East Branch of the Calaveras Fault as mapped pursuant to the Alquist-Priolo Earthquake Fault Zoning Act covers more than 50 acres of the City of Hollister’s Downtown area. The Calaveras Fault in Hollister, California. The California missions were secularized in 1834 when California separated from Spanish control. This fault and its southern continu- ation, the Paicines fault, are part of right-slip fault zones that branch northeastward from the San Andreas fault south of Hollister (Figure 1). 2. Hollister,California sits on the Calaveras fault zone and right next to the San Andreas Fault Creeping and Santa Cruz Mountain sections. The local population voted to split from Monterey County in 1874, and Hollister became the county seat of San Benito County. Together, these two observations define right-lateral strike-slip motion. no matter from which side of the fault the photo was taken. ripped in two, 1. Fremont and his crew continued to Sutter's Fort and Sacramento where they organized a revolt and declared the region as the Bear Flag Republic. Contact Most of their slide sets cost about $30. Feb 19, 2016 - Hollister California Calaveras fault "San Andreas" geology earthquake The red line is the newly discovered surface trace connecting the southern end of the Hayward Fault to the Calaveras Fault, once thought to be an independent system. With the overwhelming surge of immigrants, the republic became the state of California on September 9th, 1850. Sites E and F: Is only 5 years of fault creep discernible? Directions from Downtown Hollister: Many field trips stop in Hollister to examine the Calaveras Fault. refine the fault geomehy in the Hollister region. scientific and educational geological slide set Stoffer, P. W., 2006, Where's the San Andreas Fault? Soc. The creep rate along the San Andreas Fault and nearby Calaveras Fault from this study are shown in the purple to yellow colored line. from San Juan Bautista the residents are generally friendly and often enjoy talking Manifestations of right-lateral creep on Calaveras fault (dotted line), Hollister, California. active fault displacement on the calaveras fault zone in and near the city of hollister, california, usa. The creep rate apparently varies in an unpredictable way. Unfortunately, that means many of the features so interesting to How frequent are the cracks/fractures AND what does this tell you about this fault's activity? 20 May 1978. for more information about ordering slide sets from them. of seismic hazards from San Francisco bay area faults. The 2010 U.S. census population of Hollister was 34,928. (I plan to continue revisiting Hollister and taking more photos of The 2005-2023 General Plan replaced the commercial designation in Hollister’s downtown core with a commercial and high density residential mixed use designation. 4. Thiss in turn is used to model the topography of the Hollister region using elastic dislocation theory. tourists tramping around in their yards without permission. plus many more sights I didn't include. point out errors or omissions, have images you'd like to donate, 11 May 2002. The alternation occurs whether or not the times of faster slip are triggered by any nearby seismic event (s). 143, 2 plates. these sites every few years.). Many of the photos in this virtual geological tour also appear in the Schweitzer, P., [2012], Tertiary volcanic flow rocks, unit 1 (Quien Sabe-Burdell Mountain): U.S. Geological Survey, Mineral Resources Database (website): http://tin.er.usgs.gov/geology/state/sgmc-unit.php?unit=CATv1%3B0 Hollister is located just North of where this happens, right on top of the Southern end of the Calaveras fault. (HERE) (Here is a regional map courtesy of Xerox PARC.). Offset wall and sidewalk on 6th Street across from Dunne Park. sites have been monitored in Hollister, one showing 6.6 mm/yr and the Inversion models image a zone of enhanced conductivity beneath the surface trace of the SAF that has similar geometry and greater depth extent than the fault zone conductor at Parkfield. Chaussard said there has always been ambiguity about whether the two faults are connected. We will visit the Calaveras Fault in downtown Hollister, a small city about 90 km (55 mi) southeast of Menlo Park, and the San Andreas Fault about 15 kilometers (9 miles) southwest of Hollister. it against the ``ground truth''. (Locust street curves around the base of the Hollister is well-known among geologists because it portrays one of the best examples of aseismic creep anywhere in the world. offset in two sidewalks that were laid in 1910 and 1929, and in a pipeline Click on a thumbnail to see a more detailed Thanks to Alfred Hochstaedter for sending me some maps showing the path of Drinkwater, J.L., Sorg, D.H., and Russell, P.C., 1992, Geologic map showing ages and mineralization of the Quien Sabe volcanics, Mariposa Peak Quadrangle, West-central California: USGS Miscellaneous Field Studies Map- 2200. Creep commenced sometime after 1929 and averaged 8 mm/yr. The Calaveras Fault: It is possible to walk down Locust Street from Vista Hill Park and walk through the neighborhood to examine the structural damage to streets, curbs, walls, and buildings that are slowly being deformed, warped, or broken by the slow creeping motion of the Calaveras Fault. Three other active faults near the MWDM array are also shown in Fig. Bull., 61, 399-416. Calaveras Fault and the Earthquake Cycle, Estimates point out errors or omissions, have images you'd like to donate, Calaveras Fault - Hollister on the first line of your email. instead of moving only during major earthquakes, Other field trip destinations nearby include San Juan Bautista, Fremont Peak State Park, the San Andreas Fault in Cienega Valley, and Pinnacles National Park. highway, to see if you can detect the offset in the road itself. The Calaveras Fault (a branch of the San Andreas Fault system) bisects the city north and south, roughly along Locust Ave. and Powell St. As a result of this creep, movement measured across any fault in the San Francisco Bay Region.'' Field trip destinations include Stop 1: a walk around a scenic overlook of region from Vista Hill Park, and Stop 2: a visit to the actively seismic creeping trace of the Calaveras Fault in Dunne Park (between 6th and 7th Streets in a suburban neighborhood near downtown. Over the past ten years we have made over 800 measurements of slip rates at 20 sites on various faults in the San Francisco Bay region. The Calaveras Fault and lost seismograms . Measuring fault motion from a shifting landscape . The Calaveras Fault is an offset of the San Andreas Fault network. there are three major faults, from West to East etc, please let me know! ; nzl; 1971, num. The California Gold Rush of 1849 began a flood of non-Spanish speaking people into the region. The Calaveras fault system stretches 131 km, from south of Hollister, northward, into the Danville-Walnut Creek area (Taylor, 1992). All of these are ``right-lateral strike-slip faults'', which means Field Trip Overview new zeal., bull. Hollister has become rather ``yuppified'' over the last decade. to visiting geologists about their famous fault... California's Central Coast regional topographic map including the Hollister area, Entrance to Vista Hill Park, a hilltop park near downtown Hollister, View of Ridgemark Ridge and the valley south of downtown Hollister. the ground is remaining level the San Andreas, the Hayward, Figure 2-2. Soc. Correction: Both the San Andreas Fault and Calaveras Fault pass through San Benito County, but only the Calaveras Fault runs through Hollister. As the population grew, the City of Hollister was incorporated in August 29, 1872. Calaveras fault, Hollister, California Visit pleasant Hollister, California, unfortunately built directly on top of the creeping Calaveras fault, which makes it one of the world's premier tourist attractions (at least for earthquake seismologists! Search Calaveras Fault creep in downtown Hollister in April 2009. Calaveras, the Hayward, and other faults that splay from the central segment of the Calaveras Fault in the vicinity of Calaveras Reservoir. With a slip rate of about 15 mm/yr (0.6 in/yr) and a length of about 100 km (60 mi), the Calaveras is highly active and certainly capable of a M7+ earthquake. adm., san francisco source r. soc. Thanks to Charlene McDonald for ``test driving'' the tour and double-checking Small communities were scattered along the elevated river terraces along the San Benito and Pajaro rivers. Sylvester, A. G., and Crowell, J. C. 1989, The San Andreas Transform Belt, Field trip guidebook T309, 28th International Geological Congress, American Geophysical Union, Washington, D. C. Taliaferro, N.L., 1948, Geologic map of the Hollister quadrangle, California: California Division of Mines and Geology, vol. Look along the sidewalk and street and look for cracks/fractures from stress of the Calaveras Fault. Many sidewalks, walls, buildings, curbs and streets in the area are slowly moving apart due to the slow and steady fault movement. View looking south along Powell Street toward McHarlan Peak in the Gavilan Range (see map above). but they get justifiably annoyed at thoughtless Am. What makes Hollister particularly interesting to geophysicists is that A Guidebook to Tracing the Fault on Public Lands in the San Francisco Bay Region.U.S. SEP's WWW site. National Geophysical The alternation occurs whether or not the times of faster slip are triggered by any nearby seismic event(s). Southern end of the hill.) Hollister is being 3. part of town covered in our tour. Click on maps and photos for larger views. Activity on the different segments of the fault includes moderate and large earthquakes as well as aseismic creep. Pen for scale. By popular request, Thanks to Andy Michael for making the USGS fault base maps available. The Calaveras … The Calaveras fault, a portion of the fault boundary between the North American and Pacific tectonic plates, bisects the Hollister array along a line striking NNW to SSE. ). In Hollister, the fault is creeping which means that it moves constantly, at a steady rate. Hollister is located just North of where this happens, The Calaveras fault, part of the San Andreas fault system, is one of the most seismically active faults in central California. The Calaveras Fault (a branch of the San Andreas Fault system) bisects the city north and south, roughly along Locust Ave. and Powell St. I don't think any of the places I've photographed have moved quite that Rogers and Nason, 1971): look for the small ridge to the right (West) of the highway leaving the road at Site A: A push-up ridge and a distorted house, Sites B and C: Cracked streets and offset curbs. as it moves. Hollister is one of three towns in California that declares itself "the Earthquake Capital of the World" (a claim shared with Coalinga and Parkfield). Data from a precision multi-wavelength distance measuring (MWDM) instrument, located near Hollister, California, have been analyzed in terms of strike-slip faulting in the region covered by the network. You may want to park off the shoulder there and sight down the edge of the Between 1961 and 1967, the slip rate was about 15 mm/yr. and the Calaveras; all are part of the San Andreas fault system. (Here is a regional map courtesy of Xerox PARC.). Since 1979, two Zoomed-in view of McHarlan Peak and the Hollister Hills (low foothills on the north side of the San Andreas Fault). Southern Pacific Railroad began train service to Hollister on July 13, 1871. Thanks to Ramon Arrowsmith for the references on the creep rate measurements. curbs, walls, foundations, etc, to the right, It is about 100-150 miles in length. Map of the Calaveras Fault zone in Hollister, California (Google satellite view with US Geological Survey fault mapping data—red is aseismic creeping section, orange is older earthquake fault traces). Faults that splay from the Calaveras fault Mission San Juan Bautista, the area was still of. Running east/west across the fault through town the Earthquake Cycle, Estimates of seismic hazards from San Francisco area..., Dublin, Pleasanton, Sunol, and other faults that splay from the fault! Is well-known among geologists because it portrays one of the San Andreas fault creeping and Santa Cruz Mountain sections rd... Fault system, is one of the greater San Andreas fault ) when land sold! Cracked streets and offset curbs zoomed-in view of McHarlan Peak and the Earthquake Cycle, Estimates of hazards! Rather `` yuppified '' over the last decade republic became the state of California on 9th... Star ) where the Hayward fault branches off from the central segment of the most active... Www site wealth grew, the slip rate was about 15 miles east of Salinas the. The greater San Andreas fault network density residential mixed use designation property rights and out. States, and Hollister became the state of California on September 9th, 1850 located just North of where happens. Founded on November 19,1868 when land was sold by the USGS fault base maps Available the fault... The Gavilan Range ( see map above ) has become rather `` ''... Mcdonald for `` calaveras fault hollister driving '' the tour and double-checking it against the ground... Hollister was founded on November 19,1868 when land was sold by the owner of Hill... - Hollister on the highly geologically active Calaveras fault is an offset of San... In Hollister, the land in the region was inhabited by the USGS made pilgrimage... Base maps Available has always been ambiguity about whether the two faults are connected Street., these two observations define right-lateral strike-slip motion the republic became the County seat San! The elevated river terraces of the property—William Hollister: is only 5 years of fault creep in downtown Hollister is. Those not metrically inclined, 12 mm/yr is half an inch a year have significant offsets. The spot ( red star ) where the Hayward fault sidewalk on 6th caused... //Tin.Er.Usgs.Gov/Geology/State/Sgmc-Unit.Php? unit=CATv1 % 3B0, Geologic map of the Hollister region using elastic dislocation theory the cities. And ports around San Francisco Bay area WWW site calaveras fault hollister in our tour 5th Street, 29 July 1989 and... Hollister, the area was still part of town covered in our tour well-known geologists! Elastic dislocation theory on Calaveras fault in the Gavilan Range ( see map above.!, these two observations define right-lateral strike-slip motion zone and right next to the establishment of Mission Juan! Cracks/Fractures from stress of the San Andreas fault creeping and Santa Cruz Mountain sections Hayward. River terraces of the most important geology field Trip Overview downtown Hollister in April 2009 I do think... Averaged 8 mm/yr dangerous than the San Andreas fault system MT data from the Calaveras fault is a regional courtesy... Local population voted to split from Monterey County Street across from Dunne Park sold the... Ports around San Francisco Bay area the Hayward fault to visit Hollister yourself, please respect property! 2002: bent curb and gutter, 7th Street, 11 May 2002: bent and. Became the state of California on September 9th, 1850 stay out of people 's!. Seismic hazards from San Francisco Bay area faults San Francisco Bay area Plan to continue revisiting and! About $ 30 shown in Fig significant visible offsets one of the Southern end of the Andreas. Site a: a push-up ridge and a distorted house, sites B and C Cracked! Of seismic hazards from San Francisco Bay by aseismic creep anywhere in the Hills... Varies in an unpredictable way: //pubs.usgs.gov/gip/2006/16/ thanks to Ramon Arrowsmith for the references on elevated... - Hollister on July 13, 1871 vicinity of Calaveras Reservoir web pages about the Calaveras fault the seat. 3B0, Geologic map of the most important geology field Trip destinations in the San Francisco Bay area 19,1868 land...: is only 5 years of fault creep in downtown Hollister is known. Toward McHarlan Peak and the Hollister Hills ( low foothills on the first line of email... This one just NorthWest of downtown communities were scattered along the east side of Highway 25 North of where happens. Yards!!!!!!!!!!!!!... Trace of the fault for the part of the Hollister Hills ( low foothills on the different segments of fault. Trip destinations in the Gavilan Range ( see map above ) the references on the Calaveras.. Has always been ambiguity about whether the two faults are connected for the part of Monterey County 1874!, 11 May 2002: bent curb and gutter, 7th Street, July! And a distorted house, sites B and C: Cracked streets and offset curbs )! This `` Virtual field Trip Overview downtown Hollister in April 2009 steady rate United States, Hollister... The region was inhabited by the owner of the Calaveras … Hollister is located just North where... And Calaveras merge into the San Benito County cracks/fractures from stress of the end... Paper describes MT data from the Calaveras fault fault from this study are shown in.... Define right-lateral strike-slip motion the regional calaveras fault hollister grew, the city of was. The overwhelming surge of immigrants, the slip rate was about 15 mm/yr rogers ;... Mcdonald for `` test driving '' the tour and double-checking it against the `` ground ''! Every few years. ) contact info @ ngdc.noaa.gov for more Information ordering. Best examples of aseismic creep on Calaveras fault is a regional map courtesy of Xerox PARC )... Density residential mixed use designation it becomes the Hayward fault branches off from the central of! Most seismically active faults near the MWDM array are also shown in Fig detailed view toward McHarlan Peak in region! Benito and Pajaro rivers their slide sets from them '', just of... End of the SAF near Hollister, the land in the region of seismic hazards from San Bay. Elastic dislocation theory Benito and Pajaro rivers of Mission San Juan Bautista, the regional landscape features ( click image! The area was still part of the Bay area fault system, one! The alternation occurs whether or not the times of more rapid slip alternating with longer times slower! Geologists because it portrays one of the greater San Andreas fault creeping and Santa Cruz Mountain.. For good reason the San Francisco Bay area faults area faults alternation occurs or. Half an inch a year San Juan Bautista, the area was still part of town covered in tour... Calaveras merge into the region 8 mm/yr of downtown Hollister in April 2009 zoomed-in view of McHarlan and! Saf near Hollister, California Railroad began train service to Hollister on July 13, 1871, 1850 is of! Downtown Hollister about whether the two faults are connected: the ground remaining! And other faults that splay from the creeping segment of the fault cuts through towns! 2010 u.s. census population of Hollister was 34,928 Street curves around the base of the greater San Andreas fault and... Products to the establishment of Mission San Juan Bautista, the city of Hollister was founded on November when... The Hayward fault branches off from the central segment of the San Andreas and continues northward toward Oakland where. Southern end of the SAF near Hollister, California and double-checking it against the `` ground truth '' greater! Faults recognized by the Amah Mutsun Ohlone Indians linear ridge ( pressure ridge ) on Calaveras... Hollister area moves episodically, with shorter times of faster slip are triggered any! Is used to model the topography of the most seismically active faults near the MWDM array are also in. Local population voted to split from Monterey County lateral strike-slip fault that exhibits aseismic along. 'S activity - Hollister on the Calaveras fault in the Hollister Hills ( low foothills the... Ground is remaining level as it moves residential mixed use designation San Ramon, Dublin, Pleasanton, Sunol and... Region was inhabited by the Amah Mutsun Ohlone Indians this tell you about this fault activity... State of California on September 9th, 1850 May 2002: bent curb and gutter 7th! Me some maps showing the approximate active trace of the most important field! P. Available on-line at: http: //geologycafe.com/fieldtrips/hollister.html, http: //www.hollister.ca.gov/site/index.asp,:., North side of 6th Streeet, Hollister `` Vista Park Hill '', just NorthWest downtown... Commercial designation in Hollister ’ s downtown core with a commercial and high density residential use! Right-Laterally by creep on Calaveras fault - Hollister on the Calaveras fault from study. Cities and ports around San Francisco Bay Region.U.S occurs whether or not the times of faster slip are by! The spot ( red star ) where the Hayward and Calaveras merge the. The path of the greater San Andreas and continues northward toward Oakland, where it becomes Hayward... Chaussard said there has always been ambiguity about whether the two faults are connected active fault displacement on Calaveras... Is well-known among geologists because it portrays one of the property—William Hollister of Hollister was incorporated in 29! Separated from Spanish control and near the MWDM array are also shown in.. Mwdm array are also shown in Fig republic became the state of California on September 9th, 1850 States and. Fault cuts through the towns of Walnut Creek, San Ramon,,! Moderate and large earthquakes as well as aseismic creep of more rapid slip alternating longer. Approximate active trace of the greater San Andreas fault system, is of!

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