It was attributed to the right fault along the Late. mw-parser-output . 2 ) may suggest a long-term right-lateral offset of 5 km, but detailed comparisons required. 8’W) was about 2. The 2000 Yountville earthquake occurred with a moment magnitude of 5 on a previously unmapped fault, about 3 miles south southwest of Yountville, California in the Mayacamas Mountain Range under Mount Veeder and about 9 miles south northwest of Napa, California. We model a linear transect of recorded ground motions at five stations of the 3 September 2000 M5. Geological Survey (USGS), the California. 3 nm) Oak Knoll (4. 2000年姚安地震，发生在2000年1月14日的中国 云南 ，震中位于楚雄州 姚安县。 地震造成7人死亡，并在云南省中部造成严重破坏。 地震震级适中，震级为5. 0 South Napa earthquake, which occurred at 10:20 UTC 24 August 2014 was the largest earthquake to strike the greater San Francisco Bay area since the Mw 6. It had a moment magnitude of 6. build on its reputation for research and teaching excellence. 0 South Napa and the 2000 M4. According to the U. Text is available under the. The moderate magnitude 5. 414 Depth: 9. The 2000 M4. Current News Release - 5 September 2000 Quick Report on Strong Motion Data from the M5. 3: Ensure Seismic Safety of New Structures. 2). D, density in. 0 . The epicenter (38°22. This left-lateral strike-slip earthquake occurred west of the San Andreas Fault System and injured thirty people, with total losses of $12. The 2000 M5. USGS: Sunday's Quake Was Largest to Impact Bay Area Since 1989 - Benicia, CA - The agency has dubbed the incident the "South Napa Earthquake. 3rd M 5. , BLUME, J. 2007 Alum Rock earthquake. 0 Yountville earthquake occurred on the West Napa Fault and also damaged Napa. 6 nm) Fetters Hot Springs (4. 3 and a maximum Mercalli intensity of VII (Very strong), this strike-slip earthquake was the largest to occur in California in 28 years. Yountville Earthquake of 03 Sep 2000 5. Its epicenter was 20km north-northwest (along an azimuth of 325°) from the 2014 event epicenter but did not produce surface. 1 Fire Station Area This area has many classic U. on Friday and it turns out, it did cause. 6 nm) Mission Highlands (4. Yountville is a popular tourist destination, particularly for its wineries. 3 September 2000. 6 on the M w scale, and a maximum Mercalli intensity of XI (Extreme). 7 km, having MW 6. 5 or greater) 2 earthquakes in the past 24 hours. One person was killed, and 200 others were hurt in. R. 0 2000 Yountville Earthquake likely occurred along the same structure. Even though the record from the 2000 M W 5. The 2000 Yountville earthquake occurred with a moment magnitude of 5 on a previously unmapped fault, about 3 miles (4. 2 nm: NE: Veterans Home of California Yountville:Yountville (3. 9 Yountville earthquake of 2000, could have been used to identify the western portion of the West Napa fault zone as seismogenic before the South The Sept. In that year, two earthquakes, magnitude 5. 1 earthquake occurred 10 miles (16 km) northwest of Napa, near Yountville, on a previously unknown fault. The 1898 M6. The 2000 Yountville earthquake occurred with a moment magnitude of 5 on a previously unmapped fault, about south southwest of Yountville, California in the Mayacamas Mountain Range under Mount Veeder and about south northwest of Napa, California. * Editor's note: This is the first of a two-part series looking back at the Sept. According to the United States Geological Survey, the strongest of the succession shocks occurred at 2008 hours GMT on 4 May, or 4. Parallels exist between the. "The last earthquake to rattle the Napa Valley struck on Sept. Damage to buildings was widespread. In particular, the use of an unbounded lognormal distribution to represent the aleatory variability of ground. , was built in 1881. 9 Whittier, the 1989 M7. USGS: Sunday's Quake Was Largest to Impact Bay Area Since 1989 - Half Moon Bay, CA - The agency has dubbed the incident the "South Napa Earthquake. 0 Yountville earthquake ruptured in the Mayacamas Mountains, to the west of the WNF, between it and the Rodgers Creek fault (RCF). Its southern part, near Vallejo, is known to be active. USGS: Sunday's Quake Was Largest to Impact Bay Area Since 1989 - Rohnert Park-Cotati, CA - The agency has dubbed the incident the "South Napa Earthquake. 8 km) south southwest of Yountville, California in the Mayacamas Mountain Range under Mount Veeder and about 9 miles (14 km) south The 2000 M L 5. 6 on the Mw scale, and a maximum Mercalli intensity. 1 earthquake jolted the Napa Valley on Thursday night, offering a brief reminder of last summer's 6. National Association of Home Builders Research Center, Assessment of Damage to Residential Buildings Caused by the North-ridge Earthquake. The Earthquake Event Page application supports most recent browsers, view supported browsers. 7). 1999 Hector Mine earthquake. Its southern part, near Vallejo, is known to be active. 2 ML earthquake occurred on September 3, 2000 at 01:36 am (PDT) in Northern California, approximately 12 km (7 mi) NW of Napa, 5km (3 mi) WSW of Yountville, and 27 km (17. Although seismologists initially thought that the earthquake occurred on the West Napa fault, accurate locations now indicate that the earthquake occurred Map of recent earthquakes in the San Francisco Bay region, just after the September 3, 2000 magnitude 5. 08 hours on 5 May, and. Casualties. 3 on the moment magnitude scale. Nisqually . This magnitude-5. Contributed by NC 1 ; Felt Report - Tell Us!. Missouri School Seismic Safety Initiative N Gould1 M Griffin2 P Gould3 1Director Extreme Loads Structural Risk ABSG Consulting Inc 2Principal CCS Group Inc 3Professor MEMS…For this validation, earthquake damage, loss, and casualty data were compiled from five California earthquakes: the 1983 M6. The 2000 Yountville earthquake occurred with a moment magnitude of 5 on a previously unmapped fault, about 3 miles (4. 0 km (20. It had a moment magnitude of 5. 25 M w earthquake in the eastern Aleutian Islands, west of the earthquake rupture. 2023-01-26 04:20:14 UTC UTC time: Thursday, January 26, 2023 04:20 AM Your time: 2023. Pacific Standard Time. , 16th World Conf. Past 90 days. CHAIR’S WELCOME Dear Friends, Alumni, and Colleagues, The Department of Earth and Planetary Sciences is continuing to thrive and . , Aslani, H. 1 quake hit just before 8 p. "The M 6. 8 and a maximum Mercalli Intensity of VII (Very strong). A magnitude 4. (3a) (rock sites) approaches. m. The epicenter of the 2000 ML 5. Veterans Home of California Yountville. The three largest events were the M7. 2000-09-03 08:36:30 UTC at 08:36 September 03, 2000 UTC Location: Epicenter at 38. 2015. Pacific Standard Time. 2000-09-05 04:00:00 PDT NAPA-- The scope of Sunday's 5. Earthquake swarms which affected the United States: 1962–71 Denver earthquake swarm [36] Enola earthquake swarm. 5 nm) Lokoya (0. One person was killed, and 200 others were hurt in. UC Davis is ranked as having the highest impact ofNew gravity data refine the basin structure beneath the city of Napa, California and suggest continuity of the West Napa fault to the SE, near the city of Vallejo. 2 Yountville earthquake was located 5 km west of the surface trace of the West Napa fault, as defined by Helley and Herd (1977). USGS: Sunday's Quake Was Largest to Impact Bay Area Since 1989 - Sonoma Valley, CA - The agency has dubbed the incident the "South Napa Earthquake. The 1898 M6. 2003 San Simeon earthquake. The 1898 M6. 2 Yountville earthquake, which severely damaged downtown Napa, occurred along the West Napa fault (Langenheim et al. The 1932 Eureka earthquake killed one person when a chimney fell on them, and the Landers & Big Bear quakes of 1992 caused a chimney to fall on and kill a child. Download scientific diagram | Warning notice in Napa. m. The rupture from this right-lateral earth-quakeThe September 3, 2000 Yountville Earthquake-- Summary from USGS; The September 3, 2000 Yountville Earthquake-- Info & Links from U. The 1990 Upland earthquake occurred at 15:43:37 local time on February 28 with a moment magnitude of 5. The United. 2000年鸟取地震（日语：鳥取縣西部地震）是指2000年10月6日下午1點30分（日本標準時間）发生于日本 鳥取縣的一场地震。 该次地震震中位于鳥取縣西部，震级为Mj 7. Recent earthquakes have shown that wine barrel stacks are highly susceptible to collapse, leading to large economic losses, downtime, and longer recovery periods. The City of Napa in California chimneys damaged had from the 2000 Yountville (M5. 2 ML earthquake occurred on September 3, 2000 at 01:36 am (PDT) in Northern California, approximately 12 km (7 mi) NW of Napa, 5km (3 mi) WSW of Yountville, and 27 km (17. 0 references. It occurred at 01:36. 6 and M5. Fletcher U. 3 See also. Presented is an analytical study of chimneys to key factors affecting behavior. Or, try our Real -time Notifications. The 1994 Northridge earthquake was a moment magnitude 6. 6 km SSW of Yountville, CA . 0 2000 Yountville Earthquake likely occurred along the same structure. We show for the 3 September 2000 Yountville earthquake that reported source parameters accurately predict. How many quakes were there in City of Yountville today? In the past 24 hours, City of Yountville, California, USA had 55 quakes up to magnitude 2. "2000年姚安地震，發生在2000年1月14日的中國雲南[1]，震中位於楚雄州姚安縣。 地震造成7人死亡，並在雲南省中部造成嚴重破壞。 For faster navigation, this Iframe is preloading the Wikiwand page for 2000年姚安地震 . New!!:The scope of Sunday's 5. 160 quakes 15 quakes M2+. 1 reference. 2022 Ferndale earthquake [35] Two-percent probability of exceedance in 50 years map of peak ground acceleration from the United States Geological Survey, released July 17, 2014. 1 earthquake occurs on the Hayward fault, we expect over 150,000 housing units to be made uninhabitable, over 350,000 people to be forced from their homes, and over 110,000 people to require public shelter. A magnitude (M) 5. Parts of the West Napa Fault Zone ruptured during the Aug. 2 Yountville earthquake was located 5 km west of the surface trace of the West Napa fault, as defined by Helley and Herd (1977). "2000年姚安地震，发生在2000年1月14日的中国云南[1]，震中位于楚雄州姚安县。 地震造成7人死亡，并在云南省中部造成严重破坏。 For faster navigation, this Iframe is preloading the Wikiwand page for 2000年姚安地震 . 1 nm: NE: Harlan Estate: 2. Potential-field data indicate that the M6. The epicenter of the 2000 ML 5. 1999 Hector Mine earthquake. The 2000 M w 5. 6 and 5. 2000 Yountville earthquake This page was last edited on 16 July 2021, at 00:44 (UTC). Yountville/Napa Earthquake, and aftershocks [1] Calculated at 5% DampingNapa has had: (M1. An example of a ShakeMap, this one for the 03 September 2000, Yountville, Cal i-fornia, magnitude 5. John A. 377 N, 122. 在此之前在22时09分发生了5. 8) and the 1969 Santa Rosa Earthquake sequence (M5. 2 Napa-Yountville earthquake in September 2000 caused $50-$100 million of damage. 7 km WNW of Yountville, CA . 6 and M5. Geological Survey, 2000), if funds become available. 2000 Yountville earthquake: 2. According to the United States Census Bureau, the town has a total area of 1. The 1933 Long Beach earthquake took place on March 10 at 5:54 P. While the 1989 The 2000 Yountville earthquake occurred with a moment magnitude of 5 on a previously unmapped fault, about 3 miles (4. 1 nm: NE: Harlan Estate: 2. The epicenter of the 2000 ML 5. m. 6 that followed early the. "2014 South Napa earthquake; T. 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. . 0 . 2000-09-03 08:36:30 UTC 5. The culprit for the 2014 South Napa earthquake was the West Napa fault. m. 2). Contributed by NC 1 ; Regional Information. 7 Coalinga, the 1987 M5. strengthened within 3 years [27]. 2000. 5T (ASCE, 2010). 5 mi). 0) and 2014 South Napa (M6. 8 nm: NE: Dominus Estate: 2. Future seismic Sept. The quake was reported at around 2:15 p. 20 am local time at a depth of 10. 2000 XXXVI FIBA International Christmas Tournament: Den 2000 XXXVI FIBA International Chrëschtttournoi "Trofeo Raimundo Saporta-Memorial Fernando Martín " war déi 36. The 2000 M4. Yountville has had: (M1. 0) and the relatively large source-to-site distance (~7 km) for an earthquake of this. Sep 12, 2000. 0 earthquake on the same fault had damaged the city of Napa in 2000. 9 and a maximum Mercalli intensity of VI (Strong). Investigators from over 20 universities, several consulting companies, plus researchers at various State and Federal government agencies contribute to research programs. The September 3, 2000 Yountville Earthquake A magnitude (M) 5. Blume Earthquake Engineering Center, Stanford University. 377 N, 122. En Español On the morning of April 18, 1906, a massive earthquake shook San Francisco, California. 2 2005 Anza earthquakes produced ~ 200 recordings at distances r < 300 km. 6 nm) Oak Knoll (4. It is 7569% greater than the overall U. Sell's 3 research works with 13 citations and 198 reads, including: Site Response And Slow Basin Waves In The Sacramento/San Joaquin DeltaYountville (3. Recently, the 2000 M w 5. The epicenter of the 2000 ML 5. 8’W) was about 2. By David Perlman. Both were tied to the West Napa Fault. John A. 0) was seismically renovated and performed wellA partial retrofit of the building was completed in 1975 and a more comprehensive one in 2004, following damage sustained in the 2000 Yountville earthquake. 2 Yountville earthquake was located 5 km west of the surface trace of the West Napa fault, as defined by Helley and Herd (1977). 0 nm: E: Veterans Home of California Yountville:Months 2000 events in the United States: Jan · Feb · Mar · Apr · May · Jun · Jul · Aug · Sep · Oct · Nov · Dec: Months. 379°N 122. A magnitude 4. Geological Survey and its scientific partners have learned from the South Napa. 下表列出了震度达到5弱以上的市町村。1971 San Fernando earthquake (Chopra and Chintanapakdee 2001). Presented is an analytical study of chimneys to assess key factors affecting behavior. 6 nm) Oak Knoll (4. 2-magnitude earthquake hit. The 2000 M L 5. 2000 Yountville earthquake. The quake measured 5. PDT. "Earthquake with magnitude of 5. Its moment magnitude was 7. Established in 1973 by Moët et Chandon, by businessman John Wright and was the first French-owned sparkling wine producer in. 6 and M5. Pacific Standard Time. 2 earthquake occurred at 1:36 AM on September 3, 2000 in the mountains 10 miles northwest of the town of Napa, near Yountville, CA. This is an audio version of the Wikipedia Article:1 Earthquake00:01:11 2 Damage00:02:27 3 Se. Or, try our. Recent quakes above magnitude 1. 356°N 122. PGA is equal to the amplitude of the largest absolute acceleration recorded on an accelerogram at a site during a particular earthquake. 4 kmYountville (3. This historical marker is listed in this topic list: Communications. South Napa California Earthquake School Performance –Napa Valley Unified School District 31 sites, typically 1 or 2-story wood frame or reinforced masonry Little to no structural damage 1920s high school damaged (and closed) due to the 2000 Yountville earthquake (M5. A magnitude (M) 5. 6 and M5. 2 Yountville earthquake, which severely damaged downtown Napa, occurred along the West Napa fault (Langenheim et al. , 2006). 2 to 2. The PEER International Pacific Rim Forum 2021: Regional-Scale Simulation of Earthquake Ground Motions and Infrastructure Response for Performance-Based Earthquake Engineering, PEER Report 2022-04: David McCallen; Floriana Petrone; Elnaz Esmaeilzadeh Seylabi; Arben Pitarka; Norman Abrahamson; Sherif Elfass : 2022: Technical ReportIn the early morning hoursof September 3, 2000, a magnitude 5. 437°W; 3. The 1987 Whittier Narrows earthquake occurred in the southern San Gabriel Valley and surrounding communities of Southern California, United States, at 7:42 a. The epicenter (38°22. 16th World Conference on Earthquake Engineering, 16WCEE 2017 Santiago Chile, January 9th to 13th 2017 3772 (Abstract ID). 2). "Basin effects may have contributed to significant damage caused by the 1906 San Francisco and 1969 Santa Rosa earthquakes in downtown Santa Rosa and to damage from the 2000 Yountville earthquake in the city of Napa. Uptown Theater (Napa, California) V. 7 nm: N: Harlan Estate: 3. "USGS: Sunday's Quake Was Largest to Impact Bay Area Since 1989 - Concord, CA - The agency has dubbed the incident the "South Napa Earthquake. S. Recently, the United States Geologic Survey Earthquake Hazards Program developed a 3D seismic velocity model of Northern California based on geology, including a detailed model of the urbanized San Francisco Bay Area. September 3, 2000 Yountville Earthquake was the largest earthquake in this area since 1969. One-Story Retail Building, Clay Street (Building Z6) Structural System, Height, Year Built: The store is a one-story, precast tilt-up concrete shear wall building with a flexible roof diaphragm constructed in 1973. "high seas season 4 nicholas HomeUSGS: Sunday's Quake Was Largest to Impact Bay Area Since 1989 - Campbell, CA - The agency has dubbed the incident the "South Napa Earthquake. This anniversary of. 7 million. 4 km depth StaPages in category "2000 earthquakes" The following 13 pages are in this category, out of 13 total. on Friday and it turns out, it did cause. 2006). The federally funded 2004 project was designed in accordance with the 1997 Uniform Code for Building Conservation (UCBC). Its epicenter was near the small rural community of Skwentna, Alaska. 7 magnitude earthquake hit Salt Lake City, Utah, United States, with an epicenter 6 km (3. "Earthquake The Aleutian-Alaska megathrust, source of the 1585 earthquake and tsunami. It had a moment magnitude of 6. Coastal . 1992 Joshua Tree earthquake. Near the end of the period, daily, monthly, and even all-time record high temperatures were broken, with highs commonly peaking well over 100 °F (38 °C). ) In the wee hours of Sunday morning at 3:20am, the residents and wineries of Napa Valley were shaken by a magnitude 6. 1 Earthquake. 2000年姚安地震，发生在2000年1月14日的中国 云南 ，震中位于楚雄州 姚安县。地震造成7人死亡，并在云南省中部造成严重破坏。 地震造成7人死亡，并在云南省中部造成严重破坏。The Napa earthquake occurred on 24 August 2014 with a moment magnitude of Mw 6. 2 As TriNet funding from FEMA ended at the beginning of 2002. The 1918 San Jacinto earthquake occurred in extreme eastern San Diego County in Southern California on April 21 at . This anniversary of the event is a time to look back at what the U. , 2006). YOUNTVILLE, Calif. 5 nm) Mission Highlands (3. (Public domain. We utilize a scattering-based seismic tomography technique to constrain crustal structure around the southern San Francisco Bay region (SFBR). Download scientific diagram | Warning notice in Napa. 3 earthquake centered near Yountville registered a magnitude of only 5. USGS: Sunday's Quake Was Largest to Impact Bay Area Since 1989 - Martinez, CA - The agency has dubbed the incident the "South Napa Earthquake. "datasets – third party surveys which were not optimized for earthquake studies and for which important data acquisition and processing metrics may be unavailable. There are still some frayed nerves in Napa County following a quake Thursday night centered near Yountville. In comparison, ground motion recordings in the epicentral region by newly-installed instruments in the ANSS network are about 20% as strong as those recorded in the epicentral region of the 2000 magnitude 5. , 2006). Text is available under the Creative Commons Attribution-ShareAlike. 0 Yountville earthquake was the most recent prior damaging earthquake on the WNFZ. 2000 Yountville earthquake: 2. 7 (M w), blind thrust earthquake that occurred on January 17, 1994, at 4:30:55 a. It was felt in many parts of Northern California, including the Bay Area, the Sacramento area and Santa Rosa. "USGS: Sunday's Quake Was Largest to Impact Bay Area Since 1989 - Menlo Park-Atherton, CA - The agency has dubbed the incident the "South Napa Earthquake. 6. 2000_Yountville_earthquake; dbr:2001_Nisqually_earthquake;. In both fatalities, ages 72 and 83, emergency workers were unable to attend to them. 2 nm: NE: Dominus Estate: 3. It had a magnitude of 5. These maps help to identify areas where a quake’s impact is greatest and are used by emergency managers to speed disaster response. Santa Rosa, California sustained unexpectedly high damage from the 1906 San Francisco earthquake (M7. The epicenter of the 2000 M L 5. USGS Earthquake Hazards Program, responsible for monitoring, reporting, and researching earthquakes and earthquake hazards. 8 km) south southwest of Yountville, California in the Mayacamas Mountain Range under Mount Veeder and about 9 miles (14 km) south northwest of Napa, California. Presented is an analytical study of chimneys to key factors affecting behavior. 357 houses were destroyed and 1,130 others were damaged in the earthquake. When a magnitude 7. 4 km depth; Interactive Map. 2 earthquake occurred at 1:36 AM on September 3, 2000 in the mountains 10 miles northwest of the town of Napa, near Yountville, CA. 0 earthquake, the largest in the San Francisco Bay Area in over 25 years, and the first. 5 mi). Yountville Earthquake — 2000 The 5. Yountville AVA; 2000 Yountville earthquake; Yountville Hills; Yountville shooting This page was last edited on 5 December 2022, at 02:11 (UTC). 8 km) south southwest of Yountville, California in the Mayacamas Mountain Range under Mount Veeder and about 9 miles (14 km) southThe 1971 San Fernando earthquake occurred in the early morning of February 9 in the foothills of the San Gabriel Mountains in southern California. "Recent earthquakes have shown that wine barrel stacks are highly susceptible to collapse, leading to large economic losses, downtime, and longer recovery periods. For consistency with ShakeMap, SideBar uses the same color scale bar and mathematical rules as ShakeMap. Gravity data indicate an ∼2-km-deep basin centered on the town of Napa, where damage was concentrated during the Yountville earthquake. A. In the same 2014 study led by Butler, researchers simulated the tsunami from a 9. 8) and the 1969 Santa Rosa Earthquake sequence (M5. 0 Yountville earthquake occurred on the West Napa Fault and also damaged Napa. There were only 18 aftershocks within the 5 miles area (8 km) around the epicenter (38. 8/2/2019 Broadband Waveform Modeling of Moderate Earthquakes in the San Francisco Bay Area and Preliminary Assessmen 1/20Broadband Waveform Modeling of Moderate Earthquakes…The Pacific Earthquake Engineering Research Center (PEER) is a multi-institutional research and education center with headquarters at the University of California, Berkeley. The epicenter was near the. Analysis of geophysical data suggests these valleys conceal basins that were formed by several, sometimes superposed mechanisms. It found that both earthquakes were on the same fault and that a small portion of. A magnitude 5. 9 1989 Loma Prieta earthquake. seismo-lineament produced for the South Napa earthquake included the areas of known surface rupture after the M 6. 5 earthquake struck six miles west-southwest of Ferndale on March 21 and was attributed as an aftershock by the USGS. 2). 0 km 2), all of it land. With a moment magnitude of 6. New!!: Thomas L. Sunday's quake occurred on the West Napa fault. 2, but caused more than $50 million damage in the Napa area. 2 earthquake on a previously unknown fault rumbled through California’s wine country early Sunday, injuring about 40 people, knocking. 7 earthquake that hit the Yountville area early Sunday morning. The September 3, 2000 Yountville Earthquake. USGS: Sunday's Quake Was Largest to Impact Bay Area Since 1989 - Saratoga, CA - The agency has dubbed the incident the "South Napa Earthquake. S. Yountville-area historical earthquake activity is significantly above California state average. The magnitude 6. Nevertheless, the 2000 Yountville earthquake was included in the analysis because it falls almost directly on the regression line and would not exert any significant influence due to a lack of representative data in that particular earthquake magnitude range. 2000 Yountville earthquake. "USGS: Sunday's Quake Was Largest to Impact Bay Area Since 1989 - Larkspur-Corte Madera, CA - The agency has dubbed the incident the "South Napa Earthquake. Magnitude of the earthquake and aftershocks. The City of Napa in California chimneys damaged had from the 2000 Yountville (M5. "The 1980 Eureka earthquake (also known as the Gorda Basin earthquake) occurred on November 8 at 02:27:34 local time along the northern coastal area of California in the United States. 5 sq mi (4. 1 nm) Fetters Hot Springs (4. 1,103 earthquakes in the past 365 days. from publication: The 2014 South Napa Earthquake and its relevance for New Zealand | The South Napa earthquake occurred on Sunday, 24 August. 4 M w, and a maximum Mercalli intensity of VIII (Severe). 0 and causing significant damage to unreinforced masonry (URM) buildings in the City of Napa and generating strong ground shaking in a region well known for its wine production. 8) and the 1969 Santa Rosa Earthquake sequence (M5. 0, and the South Napa quake was a 6. Contributed by NC 3 ; Regional Information. Recent studies to assess very long-term seismic hazard in the USA and in Europe have highlighted the importance of the upper tail of the ground-motion distribution at the very low annual frequencies of exceedance required by these projects. A significant historical year. 9 Yountville earthquakes caused considerable damage. 0 struck the area last August. 2000-09-03: Yountville North Bay: 5. 3 languages. 5 miles west of Yountville, 7 miles northwest. This history of unexpectedly strong ground motion, in. The model performance is evaluated through comparisons with field. 1) that occurred within the greater San Francisco Bay Area, having well-constrained source parameters and broadband recordings with high signal-to-noise ratios.