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. 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. Disaster relief: South Napa Earthquake. State Sen. Bill Dodd issued a … [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. The Uptown Theater was the first to reopen on November 9, 2014. 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 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 … Keywords: resilience; recovery; businesses; reconnaissance; earthquakes . 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 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 earthquake's epicenter was a few miles south of Napa Valley's renowned wineries, and the quake busted barrels and bottles of precious vintages. Catalog CDI Responses Source check NC VIII 41269 US 5 . Artist unknown. The incident period was from August 24, 2014 to September 7, 2014. The moderate earthquake that struck California’s Napa Valley on Sunday collapsed older buildings, sparked fires and caused scores of injuries. Contributed by NC 4 ; Regional Information. 4 . Director, Earthquake Science Center—Menlo ParkU.S. [29][30] A $1.75 million contract to repair damage to the Goodman Library was awarded in January 2017 and work on the building is expected to be completed in early 2018. Two years after rocking and rolling through Napa’s Aug. 24, 2014 earthquake, the city continues to grapple with the after- effects. [19] Pavement on several roads in Napa, Solano and Sonoma Counties buckled and cracked during the quake. 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. 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. 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. South Napa M 6.0 Earthquake Rev. browser may not display or print as intended. Most are … The South Napa earthquake response was one of the first times when post-earthquake reconnaissance data were mostly collected and disseminated electronically. 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. Another 900 to 1,000 properties have yellow tags. Part or all of this report is presented in Portable Document Format United States. 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. 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 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. 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. After the earthquake, PEER summarized various preliminary observations, in which the following ground motion characteristics were described (Kishida … 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. South Napa Earthquake today, M 6.0-6.1--geologic context Building destroyed in Napa. 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. 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 Earthquake Event Page application supports most recent browsers ... M 6.0 - South Napa. 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%. 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. The disaster was declared on September 11, 2014. … [21] Estimates of the damage to the wine industry were downgraded to between $80 and $100 million in a September 5, 2014 report from Silicon Valley Bank to the Napa County Board of Supervisors. South Napa, USA Earthquake Clearinghouse M6.0 AUGUST 24, 2014 AT 10:20:44 UTC. [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. Napa courthouse opens for the first time since 2014 earthquake. Only part of the West Napa Fault broke open. The epicenter of that earthquake was 20 km (12 mi) NNW of the South Napa epicenter, and also on the West Napa fault system. ShakeMap. 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. 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. The earthquake lasted 10 to 20 seconds, depending on location. 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. An official website of the United States government. The earthquake was centered 4 miles (~6 km) … [17] In Vallejo, several hundred storefront windows shattered and many building walls suffered extensive damage. TABLE 1. M 6.0 - South Napa. President Obama declared the South Napa Earthquake a major disaster on September 11, 2014 3. [10] Governor Jerry Brown declared a state of emergency due to the severe damage and the possibility of aftershocks. Such surface eruptions hadn’t been seen in a Northern California earthquake since 1906, researchers said. One person died September 5 as a result of injuries from the quake. 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. The moderate earthquake that struck California’s Napa Valley on Sunday collapsed older buildings, sparked fires and caused scores of injuries. A lock ( The South Napa earthquake produced rare fissures. But the South Napa earthquake could have been worse. [31] The United States Postal Service determined that repairing the building would be too costly and sold it to a developer for $2 million. The map, observations, and photo database are summarized here in appendixes and figures and are also available as a series of digital data products within a companion U.S. Geological Survey data release (Ponti and others, 2019); the characteristics of fault rupture and ground deformation features are summarized in detail in the body of this report. 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. [22], On September 16, 2014 in a report to the Napa City Council, members were briefed on the status of damage sustained. [7][8], The mainshock was magnitude 6.0, with a depth of 11.3 km. Please tell us about your experience. The underground upheaval generated severe shaking at the surface, lasting 10 to 20 seconds. 10-20 seconds: The length of the earthquake, which hit about six miles south of Napa… 64, No. [24] Many of the injuries were lacerations and abrasions from fallen debris. 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) … Several wine storage facilities also suffered damage and loss of property. … The preferred fault model for the 2014 South Napa earthquake has a cumulative seismic moment of 1.28 × 10 18 Nm during its 8 s of coseismic rupture. Number and percentage of households reporting injuries after the South Napa earthquake, by injury characteristics — Napa Also, Brief Report for West Napa fault, Browns Valley section. Historic buildings in wine country were damaged, and power loss threatens wineries' stock. Extensive ground deformation also occurred off the principal fault traces. The South Napa earthquake taught us some valuable lessons: We can't always rely on government assistance. More than 170 … The San Andreas Fault System is an active plate boundary comprising right-lateral strike-slip faults that runs nearly the length of California. [5] Thirteen of those injured were admitted. This network of faults trends north-northwest in the area of the West Napa Fault, where it is 50 miles (80 km) wide from west to east. [12] President Obama declared a major disaster for Napa and Solano counties. 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. The quake was the strongest to strike the Bay Area since the 6.9 Loma VIII mmi. 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 … [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. [18] CNN reported one individual still in critical condition, later discovery determined as a 58-year-old male who went through two surgeries, awakening four days later in ICU to discover it was going to take him approximately two years to learn how to walk again. More information [28] The United Methodist Church received $2.2 million in repairs and upgrades and reopened the doors to its congregation in November 2015. 2014-08-24 10:20:44 (UTC) 38.215°N 122.312°W; 11.1 km depth; Did You Feel It? Effects of the earthquake were widely observed across the Napa Valley region from Vallejo and Mare Island in the South to the North end of Napa Valley. Share sensitive information only on official, secure websites. Contribute to citizen science. 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. 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. [24] In Vallejo, 49 people were injured, including two who were hospitalized. At a few locations, large-scale, detailed, field-based maps of fault rupture and ground deformation were produced. 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%). The earthquake's epicenter was located about six miles south-southwest of Napa and 51 miles west-southwest of Sacramento. Residential structures and wineries surrounding this area were significantly damaged. 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. Scientists have gathered at the USGS headquarters in Menlo Park to review the effects of the South Napa Earthquake. A Year After South Napa Earthquake, Damage Proves Widespread and Costly Ninety-one percent of respondents in CEA research experienced some kind of damage SACRAMENTO, Calif., August 24, 2015 – The California Earthquake Authority (CEA) today announced preliminary findings of research on how the 6.0-magnitude earthquake that struck Napa one year ago today affected single-family homes. [9] At least six of the injuries were classified as critical. It is one of the first damaging earthquakes to strike a major metropolitan area in the State of … J.L. Firefighters were hampered in their efforts to fight this fire by a broken water main. Interviews with members of households affected by the South Napa earthquake indicated that in addition to exten- sive property damage, many members of the community experienced injuries or mental health stressors, or both, and these findings suggest immediate public health and future preparedness priorities for affected communities. The “South Napa Earthquake” is the largest earthquake to have affected the Bay Area since the 1989 Loma Prieta earthquake. 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. On Sunday, August 24, 2014 at approximately 3:20 AM local time, a 6.0 magnitude earthquake was felt across South Napa Valley and the San Francisco Bay area. 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. [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. In addition, a M3.0 earthquake … [23], About 200 injured people were treated at Queen of the Valley Medical Center in Napa. 2 . Field observations and maps were integrated with airborne imagery, lidar, and InSAR to produce a comprehensive, large-scale digital map of fault rupture and zones of ground deformation. 6 . [13], Several older commercial buildings in downtown Napa showed signs of extensive external damage even though many had been retrofitted for earthquake safety protection. Nicholas Dillon was gravely injured after many bricks from a chimney fell on him. If the entire fault had ripped, the earthquake would have been more powerful. 2014 South Napa Earthquake to refine and improve the survey. 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