South Napa earthquake is our “wake-up call” to renew investment and action to enhance the seismic resilience of communities, businesses, and residents across the state. The Napa Historic Courthouse was damaged in the South Napa earthquake on Aug. 24, 2014. Extensive ground deformation also occurred off the principal fault traces. [2] According to an early estimate by the USGS, the economic costs to Napa County may go as high as $1 billion. Number and percentage of households reporting injuries after the South Napa earthquake, by injury characteristics — Napa A lock ( The United States Geological Survey (USGS) estimated that 15,000 people experienced severe shaking, 106,000 people felt very strong shaking, 176,000 felt strong shaking, and 738,000 felt moderate shaking. [23], About 200 injured people were treated at Queen of the Valley Medical Center in Napa. Ongoing fault movement along the surface rupture, called afterslip, continued for several months, and caused further damage to foundations and structures. Firefighters were hampered in their efforts to fight this fire by a broken water main. browser may not display or print as intended. South Napa M w 6 Earthquake Reconnaissance Report 26 Sept 2014 Rev. A .gov website belongs to an official government organization in the [31] The United States Postal Service determined that repairing the building would be too costly and sold it to a developer for $2 million. But the South Napa earthquake could have been worse. Earthquake warning systems could potentially give people time to take cover in the event of a quake, preventing injuries caused by falling debris, automatically stopping trains or shutting off gas lines. On August 24, 2014, the northern San Francisco Bay Area was struck by the largest earthquake to impact the Bay Area since the 1989 M6.9 Loma Prieta earthquake. The moderate earthquake that struck California’s Napa Valley on Sunday collapsed older buildings, sparked fires and caused scores of injuries. The earthquake was centered 4 miles (~6 km) … The Earthquake Event Page application supports most recent browsers ... M 6.0 - South Napa. The magnitude 6.0 South Napa Earthquake of August 24, 2014, took the lives of two people, injured 300 others, and caused moderate to severe damage to more than 2,000 structures. The authors of a separate study that focused on Global Positioning System data gave an estimated slip rate of 4±3mm/yr for the West Napa Fault. Governor Brown declared a state of emergency on August 24 2, … Citizen Scientist Contributions ; Did You Feel It? At 6.0 on the moment magnitude scale and with a maximum Mercalli intensity of VIII (Severe), the event was the largest in the San Francisco Bay Area since the 1989 Loma Prieta earthquake. It is one of the first damaging earthquakes to strike a major metropolitan area in the State of … [33] The heavily damaged Trefethen Vineyard Eschol building was restored from earthquake damage following over two years of repairs and improvements. Total damage in the southern Napa Valley and Vallejo areas was in the range of $362 million to $1 billion, with one person killed and 200 injured. The M6.0 South Napa earthquake occurred on August 24, 2014. Director, Earthquake Science Center—Menlo ParkU.S. The 2014 South Napa earthquake provides an opportunity to reconsider the Mare Island earthquake of 31 March 1898, which caused severe damage to buildings at a Navy yard on the island. [42] These systems commanded the bay doors to open at these fire stations between 1.7 and 2.4 seconds before the S-waves arrived at each fire station. [32] An $11.6 million contract for restoration of the courthouse was awarded by Napa County in August 2017. Such surface eruptions hadn’t been seen in a Northern California earthquake since 1906, researchers said. [27] The congregation of the First Presbyterian Church moved back into the sanctuary in July 2016 following repairs and restoration at a cost of $850,000. [5] Thirteen of those injured were admitted. The epicenter of the earthquake was located to the south of Napa and to the northwest of American Canyon on the West Napa Fault.[6]. The epicenter was located approximately 9 km south of the city of Napa in northern California. Some suggestions for standardizing the collection and dissemination of post-earthquake field reconnaissance data are provided herein. The system being developed at the Berkeley Seismological Laboratory (called ShakeAlert) in conjunction with the United States Geological Survey, the California Institute of Technology and the University of Washington, will eventually cover the entire West Coast. Bay Area leaders discuss earthquake preparedness. In addition, a M3.0 earthquake … Many streams and springs, which were dry or nearly dry before the 2014 Mw6.0 South Napa earthquake, started to flow after the earthquake. The South Napa earthquake of August 24, 2014 caused the strongest shaking in the San Francisco Bay area since the 1989 Loma Prieta earthquake, 25 years earlier. Several of these regions had no visible ground deformation, whereas others did produce features that were inconsistent with tectonic faulting, so care must be taken not to over interpret the InSAR data without careful, corroborating field investigations. [22], On September 16, 2014 in a report to the Napa City Council, members were briefed on the status of damage sustained. 4 . The system would cost $80 million in funding to run for five years in California, or $120 million for the whole West Coast. We analyze centimeter-scale accuracy mobile laser scanning (MLS) data of deformed vine rows within ±300 m of the principal surface expression of the M (magnitude) 6.0 2014 South Napa earthquake. Through an online survey, interviews, and home inspections, a large amount of new data were collected about the characteristics of Napa area houses and the effects The 2014 South Napa earthquake occurred in the North San Francisco Bay Area on August 24 at 03:20:44 Pacific Daylight Time. [5], All of these buildings are listed on the National Register of Historic Places, as is the Thomas Earl House, a historic residence that was badly damaged. 64, No. 16th World Conference on Earthquake, 16WCEE 2017 Santiago Chile, January 9th to 13th 2017 2 1. The earthquake lasted 10 to 20 seconds, depending on location. The South Napa Earthquake caused extensive damage through both ground shaking and surface cracking (rupture). Although the structure of the Uptown Theater was determined to be sound, the building was red-tagged due to damage to the theater's ceiling. [3] Several wineries including Hess Collection and Trefethen Vineyards suffered damage to buildings and infrastructure. VIII mmi. Geological Survey345 Middlefield Road, MS 977Menlo Park, CA 94025. This bill would add the August 24, 2014, South Napa Earthquake, Earthquake to the list of events for which the state share of state eligible cost is up to 100%. Nicholas Dillon was gravely injured after many bricks from a chimney fell on him. A state of emergency remained in effect following the South Napa Earthquake, which struck about 3:20 a.m. local time Sunday, according to the U.S. Geological Survey. One person died September 5 as a result of injuries from the quake. California Earthquake Authority South Napa Home Impact Study Phases 1 and 2 Integrated Findings Report Executive Summary Prepared for the California Earthquake Authority (CEA) By Sharyl Rabinovici1 January 2017 OVERVIEW This report summarizes findings of an in-depth California Earthquake Authority (CEA) research project to survey and analyze what happened to single-family … The South Napa earthquake along the San Andreas Fault reached 6.0, caused roughly $1 billion in damage, injured 200, killed one and jolted plenty of nerves. Seismic Warning Systems, Inc., a private earthquake warning company based in Scotts Valley, CA, had installed on-site warning systems at five fire stations in Vallejo in 2002 and 2003. Contributed by NC 4 ; Felt Report - Tell Us! At a few locations, large-scale, detailed, field-based maps of fault rupture and ground deformation were produced. Education and Outreach Best Practices Team of DR-4193-CA, the South Napa Earthquake Disaster. The transit impact of the South Napa earthquake, as reported by Bay City News: Amtrak's Capitol Corridor train service has been temporarily suspended this morning between Sacramento and San Jose while crews inspect the tracks for damage following the earthquake early this morning near American Canyon. The West Napa Fault transfers slip between a group of related faults (including the Concord Fault and the Calaveras Fault) called the Contra Costa Shear Zone, which was assigned a maximum slip rate of 1mm/yr in the third Uniform California Earthquake Rupture Forecast. The Mw 6.0 South Napa earthquake of August 24, 2014, produced complex and extensive surface faulting and other ground deformation features. This total included repairs made to 144 water mains, repairs or replacement of a compromised water tank in Brown's Valley that is part of the City's water system and repair of 294 locations where streets and sidewalks had been damaged. City Staff reported that 156 commercial and residential structures had been red-tagged and 1398 had been yellow-tagged. South Napa, USA Earthquake Clearinghouse M6.0 AUGUST 24, 2014 AT 10:20:44 UTC. [1] The United States Geological Survey (USGS) estimated that 15,000 people experienced severe shaking, 106,000 people felt very strong shaking, 176,000 felt strong shaking, and 738,000 felt moderate shaking. 2019-1018, Explore recent publications by USGS authors, Browse all of Pubs Warehouse by publication type and year, Descriptions of US Geological Survey Report Series, The Mw 6.0 South Napa earthquake of August 24, 2014—Observations of surface faulting and ground deformation, with recommendations for improving post-earthquake field investigations, Characteristics of Off-fault Ground Deformation. Following the event, geologists made more than 1,200 field observations at locations where tectonic faulting and ground failure produced visible deformation that fractured and disturbed the ground surface. An experimental earthquake warning system being developed by the Berkeley Seismological Laboratory issued a warning upon detecting the P-waves five seconds before the slower, more destructive S-waves arrived in Berkeley. Catalog MMI Source Description check NC VIII ATLAS 3 ShakeMap Atlas v4 ATLAS VIII ATLAS 3 NORTHERN CALIFORNIA NC VIII NC 4 6.4 km (3.9 mi) … SOUTH NAPA EARTHQUAKE. Geotripper: Magnitude 6.0 Quake in Northern California - … Initially this was reported to be a 10-second warning in Berkeley,[39][40] but revised information indicates only a 5-second warning was provided. The South Napa earthquake produced rare fissures. ) or https:// means you’ve safely connected to the .gov website. The developer plans to turn the building into a hotel. The West Napa and Carneros faults, although considered to be minor Quaternary players within the San Andreas fault system, are major faults that in part bound the Mayacamas Mountains, an uplifted block of … For best results viewing and printing PDF documents, it is recommended that you download The results of this compilation reveal that faulting occurred within a 2-km-wide zone on six, roughly parallel traces within the West Napa Fault System. Napa households reported that the condition worsened, with 32% seeking additional medical care, whereas western Vallejo households reported fewer worsening conditions (28%) and seeking of medical care (6%). (PDF). The “South Napa Earthquake” is the largest earthquake to have affected the Bay Area since the 1989 Loma Prieta earthquake. Residential structures and wineries surrounding this area were significantly damaged. 3:20 a.m.: The time the earthquake rattled residents awake across the region. The Mw6.0 South Napa earthquake of 24 August 2014, the largest earthquake to hit the San Francisco Bay area since the 1989 Mw6.9 Loma Prieta earthquake, occurred at a depth of 11 km on a steeply dipping, NNW striking19 South Napa Quake: The Facts A 6.0-magnitude earthquake with an epicenter at the southern edge of Napa struck at 3:20 a.m on Sunday, Aug. 24, 2014. It was also reported that the estimate for damage to the City's infrastructure had reached $57.9 million. Federal assistance took over two months to be made available after the earthquake, meaning residents had to financially cope on their own for 60 days. On Sunday, August 24, 2014 at 3:20 a.m. (local time) a magnitude 6.0 earthquake struck near Napa, California. United States. 6 . The mainshock was magnitude 6.0, with a depth of 11.3 km. The rupture has an average rupture velocity of 3.0 km/s and a peak slip of 2.24 m. Figures 3 a– 3 c show the spatial distributions of slip, rise time, and average slip rate, respectively. After incorporating feedback from the field test, the survey tool will be ready for deployment in the next major earthquake. The moderate earthquake that struck California’s Napa Valley on Sunday collapsed older buildings, sparked fires and caused scores of injuries. In Napa, 62 properties remain red-tagged, meaning they are too dangerous to access. Earthquake-related fault slip in the upper hundreds of meters of Earth’s surface has remained largely unstudied because of challenges measuring deformation in the near field of a fault rupture. Most of the fault slip, and all the afterslip, occurred on the 21-km-long westernmost trace (Trace A). [13], Several older commercial buildings in downtown Napa showed signs of extensive external damage even though many had been retrofitted for earthquake safety protection. [44], 24 August 2014 earthquake centered in Napa, California, USA, "M6.0 – 6km NW of American Canyon, California", "Napa quake damage rises to $362 million", Napa, Calif., earthquake: Economic hit could reach $1 billion, "Napa's people, buildings hit hard by 6.0 earthquake", "Boats, grapes and Poseidon at Napa quake's epicenter", "The Mw 6.0 24 August 2014 South Napa Earthquake", "Northern California earthquake is area's strongest in 25 years", "After earthquake near Napa, up to 100 homes labeled unfit to enter", "Strong Earthquake Shakes Northern California", "Napa quake: Obama declares major disaster, freeing up aid", "Earthquake damage repaired, Napa's Native Sons building shines again", Northern California earthquake: Blue-collar Vallejo hit hard, "Earthquake cracks, buckles roads, but leaves bridges OK", "Wine industry tallies spilled wine, shattered barrels", "Napa quakes causes $80 million blow to wine industry, report says", "Napa tallies earthquake damage across city", "Napa earthquake death: 2 weeks later, quake claims first victim -", "First earthquake-related death reported", "Crumbled by Napa earthquake, Uptown Theatre mural rises again", "First Presbyterian church returns to quake-damaged sanctuary after almost two years", "After earthquake repairs, Napa Methodist church to reopen Sunday", "Napa awards repair contract for quake-damaged Goodman Library", "Napa's old post office sold for $2 million for a hotel", "Repair of earthquake damage to Napa courthouse to start soon", "Trefethen rebounds after the earthquake", "Napa quake jumpstarts stream flows, though probably only temporarily", "Surprise bonanza since Napa quake: dry creeks now flowing", "After big quake, Napa fault could move 6 inches in 3 years", "Napa's surprise fault line triggers earthquake study of the region", "Experimental warning system gave 10-second alert before California earthquake", "In Latest Calif. Earthquake, Shake Alert Tests Its Legs", "Expanding Earthquake Warning System May Help the Public", "California receives U.S. funding for earthquake early-warning system- LA Times", SCEC's Response to the South Napa Earthquake, The August 24, 2014 South Napa Earthquake: What Is Known So Far, Accessing Open Information And Preliminary Ground Motion Simulations, California earthquake strikes San Francisco Bay area, Quake rocks California wine country, dozens injured, Mapping of the West Napa Fault Zone for input into the Northern California Quaternary fault database, Study: 2014 Napa quake may be linked to groundwater changes, https://en.wikipedia.org/w/index.php?title=2014_South_Napa_earthquake&oldid=993842594, Creative Commons Attribution-ShareAlike License, This page was last edited on 12 December 2020, at 19:52. Governor Brown declared a state of emergency on August 24, 2014 2. The South Napa earthquake taught us some valuable lessons: We can't always rely on government assistance. PDF documents opened from your All earthquake… [18], Following the first round of building inspections by the City of Napa inspectors, a total of 613 structures had been tagged; 113 were red-tagged and 500 had been yellow-tagged. ABC News station KGO … [9] The Goodman Library, Napa County Courthouse Plaza, Sam Kee Laundry Building, Downtown U.S. Post Office, Alexandria Hotel and Annex, Native Sons of the Golden West building,[14] First United Methodist Church, and First Presbyterian Church all suffered moderate to extensive damage. The Uptown Theater was the first to reopen on November 9, 2014. … 10-20 seconds: The length of the earthquake, which hit about six miles south of Napa… The disaster was declared on September 11, 2014. 2 . The earthquake's epicenter was a few miles south of Napa Valley's renowned wineries, and the quake busted barrels and bottles of precious vintages. Officials ride Napa Valley Wine Train to spur tourism. The earthquake was the largest earthquake in the Bay Area since the magnitude 6.9 1989 Loma Prieta earthq… about viewing, downloading, and printing report files can be found here. Injuries and Traumatic Psychological Exposures Associated with the South Napa Earthquake — California, 2014 MMWR Weekly Vol. 1 . In a new report, scientists from MIT and elsewhere detail how, even after the earthquake’s main tremors and aftershocks died down, earth beneath the surface was still actively shifting and creeping — albeit much more slowly — for at least four weeks after the main event. President Obama declared the South Napa Earthquake a major disaster on September 11, 2014 3. Ponti, D.J, Rosa, C.M, and Blair, J.L., 2019, The Mw 6.0 South Napa earthquake of August 24, 2014—Observations of surface faulting and ground deformation, with recommendations for improving post-earthquake field investigations: U.S. Geological Survey Open-File Report 2019–1018, 50 p., 15 appendixes, https://doi.org/10.3133/ofr20191018. [12] President Obama declared a major disaster for Napa and Solano counties. The 24 August 2014 Mw 6.0 South Napa, California earthquake produced significant offsets on 12 borehole strainmeters in the San Francisco Bay area. If the entire fault had ripped, the earthquake would have been more powerful. … Revising archival accounts of the 1898 earthquake, I estimate a lower intensity magnitude, 5.8, than the value in the current Uniform California Earthquake Rupture Forecast (UCERF) catalog (6.4). Disaster relief: South Napa Earthquake. Artist unknown. Share sensitive information only on official, secure websites. LockA locked padlock This bill would declare that it is to take effect immediately as an urgency statute. A water main on Mare Island broke. [43] In December 2014, United States Congress approved a $5 million allocation as part of the Consolidated Appropriations Act, 2014 in order to expand funding for development of the system. Following the event, geologists made more than 1,200 field observations at locations where tectonic faulting and ground failure produced visible deformation that fractured and disturbed the ground surface. This report is an overview of TABLE 1. the documents to your computer and open them with Adobe Reader. 1: 11 Oct 2014 24 August 2014 M w 6.0 S. Napa Earthquake SPA Reconnaissance Report . The event was then the largest in the San Francisco Bay Area since the 1989 Loma Prieta earthquake, which measured 6.9 on the moment magnitude scale, but was later surpassed by the 2014 South Napa earthquake. Open-File Report The earthquake was the largest to affect the San Francisco Bay area in 25 years and caused significant damage in Napa and Solano counties, including widespread power outages, five residential fires, and damage to roadways, waterlines, and 1,600 buildings (2). [7][8], The mainshock was magnitude 6.0, with a depth of 11.3 km. South Napa Earthquake Links: USGS event page. M6.0 South Napa Earthquake M6.0 South Napa Earthquake. Potential-field data indicate that the M6.0 South Napa earthquake and its aftershocks were influenced by complex structure among the West Napa-Carneros-Pinole-Franklin faults system. Scientists have gathered at the USGS headquarters in Menlo Park to review the effects of the South Napa Earthquake. Historic buildings in wine country were damaged, and power loss threatens wineries' stock. The use of InSAR was invaluable for identifying and mapping secondary traces with small displacements, and for delineating the overall details of the extensive rupture. These strainmeters are located between 24 and 80 km from the source, and the observed offsets ranged up to 400 parts per billion (ppb), which exceeds their nominal precision by a factor of 100. Attfield KR, Dobson CB, Henn JB, Acosta M, Smorodinsky S, Wilken JA, Barreau T, Schreiber M, Windham GC, Materna BL, Roisman R. On August 24, 2014, at 3:20 a.m., a magnitude 6.0 earthquake struck California, with its epicenter in Napa County (1). The Data Map displays earthquake damage and impact observations from EERI field teams and other contributors using EERI's Photo Upload … [24] In Vallejo, 49 people were injured, including two who were hospitalized. More information [25][26], Several of the historic buildings damaged in the earthquake have been repaired while others are still awaiting renovation and restoration. South Napa Earthquake today, M 6.0-6.1--geologic context Building destroyed in Napa. The earthquake's epicenter was located about six miles south-southwest of Napa and 51 miles west-southwest of Sacramento. 2 March 12 2016 Page 1 1.0 Introduction This report describes the performance of lifelines systems due to the South Napa, M 6.0 earthquake of August 24, 2014. Injuries and Traumatic Psychological Exposures Associated with the South Napa Earthquake - California, 2014. 2014-08-24 10:20:44 (UTC) 38.215°N 122.312°W; 11.1 km depth; Did You Feel It? Jerry Brown declared a state of emergency following the South Napa earthquake, which struck at 3:20 a.m. Sunday, according to the U.S. Geological Survey. After the earthquake, PEER summarized various preliminary observations, in which the following ground motion characteristics were described (Kishida … Full Story. The quake damaged many buildings, causing injury to over 170 citizens, power outages, fire hazard, and infrastructure failure. 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