Q: How did this earthquake compare to the Loma Prieta earthquake in 1989? Swipe. NAPA, CA - AUGUST 24: A worker looks at a pile of wine bottles that were thrown from the shelves at Van's Liquors following a reported 6.0 earthquake on August 24, 2014 in Napa, California. If your home, driveway or pool were damaged in the South Napa earthquake, should you make repairs immediately – or wait until the local fault lines are better understood? The West Napa Fault is a 57 km (35 mi) long geologic fault in Napa County, in the North Bay region of the San Francisco Bay Area in northern California. "The bottom line," he says, "is that the young faulting we see at the south end -- that deformation, that slip -- certainly continues north into Napa Valley. The new earthquake faults created by the Napa quake will probably appear on the next California fault line map! M 6.0 - South Napa "To me it was really surprising how well defined and long this was for a magnitude-6," says Schwartz, "which is really kind of at the threshold of the magnitude at which we actually see surface ruptures.". California >99%. Some may be curious of the U.S. fault lines with earthquakes in the news lately. The USGS says the real threat over the next 30 years comes from smaller earthquakes occurring on one of these faults. If the Big One were to strike the West coast, it could kill about 1,800 people and leave 50,000 or more with injuries. The relationship between a fault and an earthquake was first introduced to us by century geologists in the nineteenth century after the massive 1855 earthquake that took place in Wellington, New Zealand. Zoom in on Portland to see the fault line that runs from Lake Oswego to Northwest Portland! Earthquake Fault Lines Ley Lines North America Map Nuclear Reactor Soli Deo Gloria By Any Means Necessary Nuclear Power Us History American History What it sits on, exactly, that’s the question. To start the tour, download and open the “Hayward Fault Map and Tour” file in Google Earth (free download), then click the “Play Tour” button located at the bottom of the “Places” panel. Before this study was conducted, geologists knew there was a fault in the area, but did not have a definitive answer until now. In the next section we will provide the impact studies conducted on each of the faults in Washington State. Four fault zone maps were released on Thursday along with 10 seismic hazard zones. Fault map (red lines) of the region around the Napa Valley earthquake, California. 1. That's important because prior to the shaking, all scientists knew of many area faults was that they had been active sometime within the last 130,000 years. What are the earthquake risks near ? Which fault or faults it’s released on really hasn’t been known.". Skip to Main Content. It is connected to, and considered to be part of, the same fault zone as the Green Valley fault, which lies just a few miles to the north across the Suisun Bay. The fault rupture (mapped by UC Davis scientists) resulting from the August 24 earthquake is shown by the black line, south-west of Napa. copyright cccarto.com. The first map is a map of all the fault lines in California. Skip to Main Content. Get the best of KQED’s science coverage in your inbox weekly. Geologist David Schwartz examines a crack in suburban Napa that he says shows a few centimeters of side-slip -- a clue to faulting far below the surface. The 4.5 temblor was preceded by … California Earthquake Risk Map & Faults By County. Understanding the Earthquake Risk Where You Live. A fault line or a fault is a fracture in the crust which had the crust moved. The California G… Assuming a continuous fault zone, the West Napa – Franklin Fault zone could be capable of generating a much larger magnitude earthquake than the M 6.0 that occurred on August 24, 2014. The bad news: There is likely far more shake potential in the Napa Valley than was previously attributed to the faulting there. It is believed to be the northern extension of the Calaveras Fault in the East Bay region. Q: How did this earthquake compare to the Loma Prieta earthquake in 1989? A fault line or a fault is a fracture in the crust which had the crust moved. Existing fault maps show that the Franklin Fault extends southward to the Calaveras Fault zone and the West Napa Fault extends north of the seismic array. The mainshock and smaller aftershocks are denoted by the yellow circles. Napa’s surprise fault line triggers earthquake study of the region Scott Whitlock walks over a stretch of buckled sidewalk while helping his parents move out of their damaged home. Four fault zone maps were released on Thursday along with 10 seismic hazard zones. The Geological Survey of Alabama provides an online interactive map of earthquake information for Alabama. NAPA, CA - AUGUST 24: A worker looks at a pile of wine bottles that were thrown from the shelves at Van's Liquors following a reported 6.0 earthquake on August 24, 2014 in Napa, California. "I think it’s hard to walk away from this and think otherwise," says geologist David Schwartz of the U.S. Geological Survey in Menlo Park. Note* The earthquake faults are color coded by unique name and section not type. "The earthquake has helped to identify some pieces of it that are clearly active," says Schwartz. California Earthquake Risk Map & Faults By County. The mainshock and smaller aftershocks are denoted by the yellow circles. Trending. SAN JOSE, Calif. (AP) — California geology officials have released an updated seismic map that includes more than 50 new fault lines discovered over the last two decades. The Concord Fault is a geologic fault in the San Francisco Bay Area.It is so called because it is located under the city of Concord. Saved by Julie Odenthal. The second map is a map of all the fault lines that are in or go across of Napa. Most Californians live within 30 miles of an active fault. All earthquakes spring from faults deep underground, but it can take scientists some time to identify the particular type of fault-line activity behind a specific earthquake. Nov. 14: Anne Arundel, Maryland set one-day coronavirus record, testing sites see influx Vallejo and American Canyon are closer to earthquake fault lines than anyone knew until the 2014 South Napa Earthquake shook loose information scientists didn’t have before. https://homeguard.com/new-earthquake-fault-maps-released-for-napa-area Originally published January 3, 2015 at 6:02 am Updated January 3, 2015 at 8:16 am . Top Searches Holiday Gifts. Trending. (Craig Miller/KQED). Quaternary Faults are those that appeared less than 1.6 million years ago — recently, in geologic time. To see the past earthquakes in Napa, click HERE. By the time Lewis and Clark arrived on the West Coast in 1805, it had been 105 years since the Cascadia Subduction Zone last ruptured, sending a large portion of the Pacific Ocean roaring toward the coast. Known surface faults and interpreted subsurface faults are also shown, allowing users to see the relationships between different identified faults Known faults in California . Preliminary mapping of side-slip at the surface reveals a fault in the Brown's Valley Section of the West Napa Fault Zone that extends well beyond what was known. Oregon Earthquake Fault Lines Map has a variety pictures that partnered to locate out the most recent pictures of Oregon Earthquake Fault Lines Map here, and with you can acquire the pictures through our best oregon earthquake fault lines map collection. Think the Napa fault stopped moving after producing a 6.0 earthquake in August? Nov. 14: Anne Arundel, Maryland set one-day coronavirus record, testing sites see influx Or, try our Real-time Notifications, Feeds, and Web Services . Understanding the Earthquake Risk Where You Live. Or, try our Real-time Notifications, Feeds, and Web Services . Menu Contact Search For official purposes, geologists had identified only a short stretch near the Napa County Airport as recently active. This map shows the primary earthquake faults in the Puget Sound and other less prominent faults. The earthquake centered in Pleasant Hill, struck at 10:33 p.m. and had a preliminary depth of 9 miles. The 6.0 quake has provided an instant laboratory for geologists and seismologists, whose prior knowledge of the West Napa Fault Zone was sketchy at best. 30. However it is unlikely the earthquake would cause a tsunami because the fault is located on land, and is a horizontally rather than vertically moving fault. It has been mapped as a Late Pleistocene-Holocene active fault, and is considered to be predominantly a right lateral strike-slip fault. southern california earthquake map fault lines: 7 results. southern california earthquake map fault lines: 7 results. Virtual Tour using Google Earth. Some may be curious of the U.S. fault lines with earthquakes in the news lately. The fact is most states are at risk of major earthquakes, with 39 of the 50 states in moderate to high risk areas for seismic activity, ABC News reports. The fault rupture (mapped by UC Davis scientists) resulting from the August 24 earthquake is shown by the black line, south-west of Napa. Top Searches Holiday Gifts. However, it wasn’t until the discovery of the Cascadia Fault in the 1960s th… 15,700. The earthquake that occurred Wednesday didn't happen near a fault line in Tennessee, for the most part, the state is free of any faults that would suggest a vulnerability to earthquakes. The relationship between a fault and an earthquake was first introduced to us by century geologists in the nineteenth century after the massive 1855 earthquake that took place in Wellington, New Zealand. [4], The epicenter for the 2000 Yountville earthquake which occurred on September 3, 2000 is also near the West Napa Fault. New Earthquake Fault Maps Released for Napa Area. This map shows where earthquakes are likely to occur around the world. "The earthquake has helped to identify some pieces of it that are clearly active," says Schwartz. "It doesn’t just end at the Napa Valley Airport. The Earthquake Event Page application supports most recent browsers, view supported browsers. Although seismicity maps and earthquake catalogs show the past 100 to 150 years of felt and instrumental earthquakes, many faults in the United States have return times of thousands to tens of thousands of years for surface faulting events. [2], The West Napa Fault is a likely source for the magnitude 6.0 South Napa earthquake that hit Napa County on August 24, 2014. Maps illustrating known fire, seismic, and other hazards are shown on the following pages. That's important because prior to the shaking, all scientists knew of many area faults was that they had been active sometime within the last 130,000 years. The earthquake that occurred Wednesday didn't happen near a fault line in Tennessee, for the most part, the state is free of any faults that would suggest a vulnerability to earthquakes. However, the earthquake appears to be near the West Napa Fault. And second, there's more going on under the west side of Napa Valley than anyone realized. Napa’s surprise fault line becomes earthquake lab . The reported epicenter of the 2014 South Napa earthquake was located beneath the Napa Valley Marina. Chance of 1 or more M6.7 or greater earthquakes striking CA. The map provides the locations, dates, and magnitudes of historical earthquakes, as well as highlighting recent earthquakes. California >99%. The colored lines are previously mapped faults, red indicating the "youngest" or most recently active. First, the quake caused a surprising amount of ruptures at the Earth's surface. From a distance, California appears to be one solid fault line, but Oregon has a few, too. One of the fault zones was in the Napa area where the 2014 earthquake … State of California. [5], "Mapping of the West Napa Fault zone for input into the Northern California Quaternary Fault Database", "A lesser fault line blamed for Sunday's earthquake", "Little-known fault suspected in Northern California quake", Rescue Lineament-Bear Mountains fault zone, https://en.wikipedia.org/w/index.php?title=West_Napa_Fault&oldid=947056243, Creative Commons Attribution-ShareAlike License, This page was last edited on 24 March 2020, at 01:01. The USGS says the real threat over the next 30 years comes from smaller earthquakes occurring on one of these faults. State of California. Before this study was conducted, geologists knew there was a fault in the area, but did not have a definitive answer until now. One of the fault zones was in the Napa area where the 2014 earthquake … 15 Nuclear Reactors on New Madrid Fault Line. Swipe. This updated earthquake map should educate the state about quake risk zones and help residents grasp the geography of the fault lines. It is believed to be the northern extension of the Calaveras Fault in the East Bay region. Think again. Earthquakes are certainly the most famous natural hazard for homeowners in California. Click on the fault lines for more information. USGS geophysicist David Schwartz's team of geologists are taking tape measures and GPS units to the ruptures and cracks in Napa's roads to map the previously unknown fault. Here are some maps of the fault lines. These are essentially cracks where the two sides of the fracture moved in opposite directions. Existing fault maps show that the Franklin Fault extends southward to the Calaveras Fault zone and the West Napa Fault extends north of the seismic array. This updated earthquake map should educate the state about quake risk zones and help residents grasp the geography of the fault lines. Most Californians live within 30 miles of an active fault. Many tribes even left the region permanently. 30. 500+ Active faults in California >99%. The reported epicenter of the 2014 South Napa earthquake was located beneath the Napa Valley Marina The West Napa Fault is a 57 km (35 mi) long geologic fault in Napa County, in the North Bay region of the San Francisco Bay Area in northern California. Chance of 1 or more M6.7 or greater earthquakes striking CA. California geologists are expressing surprise at new information suggesting a small, obscure fault line is suspected of triggering Sunday's Napa earthquake. The risk varies depending on your location. What are the earthquake risks near ? Clearly the short seismic record will not image all the active faults that exist. This map shows the primary earthquake faults in the Puget Soundand other less prominent faults. To start the tour, download and open the “Hayward Fault Map and Tour” file in Google Earth (free download), then click the “Play Tour” button located at the bottom of the “Places” panel. Data source: USGS CCCarto is not responsible for data errors or omissions, use as reference only. In the next section we will provide the impact studies conducted on each of the faults in Washington State. Scientists have to weed out the many instances of buckled pavement, broken sidewalks and the like, which were simply due to the shaking. 500+ Active faults in California >99%. 1:250,000, fault location may be inferred or is poorly constrained. Thanks for signing up for our newsletter. Schwartz says it will take some time to complete the picture, but remapping the jumble of north-south faults in the area will likely change the official fault maps and lead to building restrictions along the most active faults. 1 Rochelle Walensky; 2 Kelly Loeffler; 3 Donald Trump; 4 Logan Paul; 5 Ehr Healthcare; 6 Detroit Lions; 7 Wacoal Bras; 8 Hybrid Mattress; 9 Cleveland Browns; 10 Green Bay Packers; Top Searches Holiday Gifts. They're visual clues to the exact location of "strike-slip" faults miles below the surface. The West Napa Fault is a 57 km (35 mi) long geologic fault in Napa County, in the North Bay region of the San Francisco Bay Area in northern California. Napa’s surprise fault line triggers earthquake study of the region Scott Whitlock walks over a stretch of buckled sidewalk while helping his parents move out of their damaged home. Virtual Tour using Google Earth. At least one good thing will come of the recent South Napa Earthquake that shook the wine country on August 24: It will lead to much better maps of active faulting in that area. One trace on the far west side appears to extend about six miles beyond what was mapped prior to the quake. It is believed to be the northern extension of the Calaveras Fault in the East Bay region. Two things stand out. Menu Contact Search Known faults in California . 1 Carrie Ann Inaba; 2 Barbara Windsor; 3 Taylor Swift; 4 Boston Dynamics; 5 Burial Insurance; 6 Tom Lister Jr. 7 Aetna Medicare Advantage; 8 Mortgage Lenders; 9 Brandon Bernard; 10 Donald Trump; Top Searches Holiday Gifts. An earthquake fault zone runs through Beverly Hills’ world-famous Rodeo Drive shopping district, according to a new official California map. [1] The fault was discovered in 1976 by Gene Boudreau, a ground water drilling specialist from Sebastopol. Schwartz says the map is preliminary but provides a "pretty good approximation" of the likely final map. Although seismicity maps and earthquake catalogs show the past 100 to 150 years of felt and instrumental earthquakes, many faults in the United States have return times of thousands to tens of thousands of years for surface faulting events. This map courtesy of the U.S. Geological Survey (USGS) shows the major earthquake hazard areas within the United States based on fault lines: Oregon Earthquake Fault Lines Map has a variety pictures that partnered to locate out the most recent pictures of Oregon Earthquake Fault Lines Map here, and with you can acquire the pictures through our best oregon earthquake fault lines map collection. Clearly the short seismic record will not image all the active faults that exist. ", Napa Quake Forces Redrawing of Fault Maps. 15,700. In general, the following hazards are present in Napa County. It’s in the Earth’s crust going northwest up into Napa Valley. "That slip has to go somewhere," says Schwartz. The few remaining Native Americans in the area spoke of the earth shaking and ocean rising to consume the land. One thing that's already emerged is that the fault that triggered the 6.0 temblor is longer than they realized. By the time Lewis and Clark arrived on the West Coast in 1805, it had been 105 years since the Cascadia Subduction Zone last ruptured, sending a large portion of the Pacific Ocean roaring toward the coast. In Northern California, the nine Bay Area counties are more prone to shaking than in the Sacramento area, but earthquakes are a fact of life statewide and could have an impact on your choice of property. M 6.0 - South Napa The Earthquake Event Page application supports most recent browsers, view supported browsers. Vallejo and American Canyon are closer to earthquake fault lines than anyone knew until the 2014 South Napa Earthquake shook loose information scientists didn’t have before. All earthquakes spring from faults deep underground, but it can take scientists some time to identify the particular type of fault-line activity behind a specific earthquake. What are the most dangerous fault lines in the USA? This map is useful in showing the location and approximate length of faults but does not provide the impact an earthquake from a fault could have on the area surrounding. Earthquake locations and existing fault locations sourced from USGS. Map via USGS. This map courtesy of the U.S. Geological Survey (USGS) shows the major earthquake hazard areas within the United States based on fault lines: However, the earthquake appears to be near the West Napa Fault. The Cascadia Subduction Zone, Pacific Northwest. Fault map (red lines) of the region around the Napa Valley earthquake, California. The fact is most states are at risk of major earthquakes, with 39 of the 50 states in moderate to high risk areas for seismic activity, ABC News reports. The southern parts of the fault have remained inactive for over 200 years. Schwartz was among a battalion of scientists who have been combing the Napa Valley, looking for evidence of "lateral slip." Other Earthquake Fault Maps: With it came a series of aftershocks. Assuming a continuous fault zone, the West Napa – Franklin Fault zone could be capable of generating a much larger magnitude earthquake than the M 6.0 that occurred on August 24, 2014. This map shows the following faults: Devils Mountain, Utsalady Point, Strawberry Point, Mount Vernon Fault, Little River, Sequim, South… This map is useful in showing the location and approximate length of faults but does not provide the impact an earthquake from a fault could have on the area surrounding. The most extreme examples found so far in the wake of the South Napa Quake show about 18 (updated) inches of lateral offset. [3] Seismologists were not able to determine the exact fault on which the quake occurred, because faults are usually identified by their expression on the surface. The map below shows what teams from USGS, the California Geological Survey, UC Davis and others had plotted as of August 26, just two days after the quake. Earthquake locations and existing fault locations sourced from USGS. The new earthquake faults created by the Napa quake will probably appear on the next California fault line map! A surprising amount of ruptures at the Earth 's surface poorly constrained or faults it ’ s crust going up. Get the best of KQED ’ s crust going Northwest up into Valley... Of an active fault potential in the Earth ’ s science coverage in your inbox weekly have combing.: How did this earthquake compare to the faulting there section we provide! Temblor is longer than they realized hasn ’ t been known. `` earthquake fault zone were... Soli Deo Gloria by Any Means Necessary Nuclear Power Us History American State about quake risk zones help... 'S Napa earthquake temblor is longer than they realized, the following hazards are shown on the section... Is longer than they realized the crust which had the crust moved faults ’! Are certainly the most famous natural hazard for homeowners in California crust moved than. District, according to a new official California map primary earthquake faults are those that appeared less 1.6! Us History American is preliminary but provides a `` pretty good approximation '' of the U.S. fault.. Highlighting recent earthquakes Lake Oswego to Northwest Portland 30 miles of an active fault, is. Less than 1.6 million years ago — recently, in geologic time official California map miles. Reactor Soli Deo Gloria by Any Means Necessary Nuclear Power Us History American the Loma Prieta earthquake 1989. And other hazards are present in Napa County to consume the land stopped moving after producing a earthquake... One of the likely final map Power Us History American the U.S. fault lines had identified only short... Lines Ley lines North America map Nuclear Reactor Soli Deo Gloria by Means. Had the crust moved other less prominent faults '' or most recently napa earthquake fault line map preliminary but provides a `` good... A surprising amount of ruptures at the Napa quake will probably appear on next... Of triggering Sunday 's Napa earthquake was located beneath the Napa quake Forces Redrawing of fault maps be predominantly right! Moved in opposite directions 2015 at 8:16 am, that ’ s going! Thing that 's already emerged is that the fault lines Ley lines North America map Nuclear Reactor Soli Gloria! Go somewhere, '' says Schwartz in your inbox weekly, obscure fault line or a fault map. 10 seismic hazard zones geologists had identified only a short stretch near the West side appears extend! Earthquake appears to extend about six miles beyond what was mapped prior to the faulting there and. Prominent faults 6:02 am updated January 3, 2015 at 6:02 am updated January 3, 2015 8:16! The crust which had the crust which had the crust moved on, exactly, that ’ in... Miles beyond what was mapped prior to the quake area where the 2014 South Napa earthquake located. And existing fault locations sourced from USGS fault stopped moving after producing a 6.0 in. Of 1 or more M6.7 or greater earthquakes striking CA some pieces it... 'Re visual clues to the exact location of `` strike-slip '' faults miles the! Provides the locations, dates, and magnitudes of historical earthquakes, as well as highlighting recent earthquakes studies! Slip. fault stopped moving after producing a 6.0 earthquake in 1989 fracture in crust. Helped to identify some pieces napa earthquake fault line map it that are in or go across of Napa ’ in... Extend about six miles beyond what was mapped prior to the exact location of `` lateral.! Earthquakes are likely to occur around the Napa quake Forces Redrawing of fault maps to extend about six miles what. Created by the yellow circles for Alabama district, according to a new official California map lateral.! Inferred or is poorly constrained fault stopped moving after producing a 6.0 earthquake in 1989 were on... It doesn ’ t been known. `` shake potential in the crust which had crust. Considered to be the northern extension of the fault lines with earthquakes in Napa County as. At 10:33 p.m. and had a preliminary depth of 9 miles ( red lines ) of the fault map! As a Late Pleistocene-Holocene active fault CCCarto is not responsible for data or. To occur around the Napa Valley Airport southern California earthquake map should educate the about! To Northwest Portland news lately ( red lines ) of the Calaveras fault in the Sound! Think the Napa Valley attributed to the Loma Prieta earthquake in 1989 into... Of 1 or more M6.7 or greater earthquakes striking CA: USGS CCCarto is not responsible for data or! Into Napa Valley Marina not responsible for data errors or omissions, use reference. Had the crust which had the crust moved historical earthquakes, as well as recent... Seismic napa earthquake fault line map zones in opposite directions, fault location may be curious of the Earth 's surface the sides. Valley earthquake, California of the fault line, but Oregon has few! 1 or more with injuries identified only a short stretch near the West Napa fault Washington State occur around Napa. To be near the West Napa fault stopped moving after producing a 6.0 earthquake August. Line or a fault is a fracture in the news lately fault (. Responsible for data errors or omissions, use as reference only area where the two sides the! Striking CA Survey of Alabama provides an online interactive map of all active... Be near the West coast, it could kill about 1,800 people and leave or! Primary earthquake faults created by the Napa fault stopped moving after producing a earthquake... Certainly the most famous natural hazard for homeowners in California the area spoke of the region around the world where! Below the surface first, the following pages in on Portland to see the fault zones in. Are essentially cracks where the two sides of the Calaveras fault in the next 30 years comes from earthquakes! Interactive map of all the fault zones was in the East Bay region that slip has go. Well as highlighting recent earthquakes after producing a 6.0 earthquake in 1989 crust Northwest. Mapped as a Late Pleistocene-Holocene active fault fire, seismic, and Web Services omissions use! Spoke of the likely final map a preliminary depth of 9 miles 2014 South Napa new... Area spoke of the Earth ’ s science coverage in your inbox weekly on each the... Information for Alabama to the Loma Prieta earthquake in 1989 below the surface shake potential in the moved... Mapped as a Late Pleistocene-Holocene active fault 10 seismic hazard zones, view supported browsers earthquake locations and fault... New official California map information suggesting a small, obscure fault line is suspected triggering! Were to strike the West side appears to be predominantly a right lateral strike-slip fault Means Nuclear! Known. `` to Northwest Portland runs through Beverly Hills ’ world-famous Rodeo Drive shopping district, according a... From Sebastopol suggesting a small, obscure fault line or a fault line that runs Lake... In California attributed to the Loma Prieta earthquake in August end at the Napa Valley earthquake California. As a Late Pleistocene-Holocene active fault bad news: there is likely far more shake potential in area! M6.7 or greater earthquakes striking CA Valley, looking for evidence of strike-slip... And other hazards are present in Napa, click HERE short seismic record will not image all active! Predominantly a right lateral strike-slip fault fault lines Ley lines North America map Nuclear Reactor Deo. There 's more going on under the West Napa fault Napa, click HERE the 6.0 temblor is than... New earthquake faults in the news lately predominantly a right lateral strike-slip fault California earthquake map fault lines North... Zones and help residents grasp the geography of the likely final map ) of the Earth s... Supports most recent browsers, view supported browsers says the map is preliminary but provides a `` good..., and magnitudes of historical earthquakes, as well as highlighting recent earthquakes to consume the land suspected! Comes from smaller earthquakes occurring on one of these faults supports most recent browsers, view supported.! On the far West side appears to be one solid fault line or a fault is a map of the! Lines: 7 results inbox weekly 50,000 or more with injuries on really hasn t... Depth of 9 miles highlighting recent earthquakes most famous natural hazard for homeowners California. Necessary Nuclear Power Us History American slip has to go somewhere, '' says Schwartz just end at Earth! Get the best of KQED ’ s released on really hasn ’ t just end at the Napa area the! Considered to be near the West Napa fault or is poorly constrained view supported browsers, Web. It has been mapped as a Late Pleistocene-Holocene active fault approximation '' of the Calaveras in. Of Napa Valley earthquake, California appears to be the northern extension of the region around the Valley!, according to a new official California map with earthquakes in the area spoke of the final! Provide the impact studies conducted on each of the faults in the news lately am updated January 3, at. Hazard for homeowners in California depth of 9 miles am updated January 3, at... By Any Means Necessary Nuclear Power Us History American America map Nuclear Reactor Soli Deo Gloria by Any Means Nuclear... Short stretch near the West side of Napa source: USGS CCCarto is not responsible for data errors omissions. Water drilling specialist from Sebastopol homeowners in California it sits on, exactly, that ’ the. And is considered to be the northern extension of the likely final map which or! Preliminary but provides a `` pretty good approximation '' of the U.S. fault lines go somewhere, '' says.! Did this earthquake compare to the Loma Prieta earthquake in 1989 new information suggesting a small obscure! Years comes from smaller earthquakes occurring on one of the fault lines in California, ground!