The mainshock and smaller aftershocks are denoted by the yellow circles. 30. The Cascadia Subduction Zone, Pacific Northwest. Chance of 1 or more M6.7 or greater earthquakes striking CA. Known faults in California . Known surface faults and interpreted subsurface faults are also shown, allowing users to see the relationships between different identified faults 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. It’s in the Earth’s crust going northwest up into Napa Valley. The most extreme examples found so far in the wake of the South Napa Quake show about 18 (updated) inches of lateral offset. Other Earthquake Fault Maps: The new earthquake faults created by the Napa quake will probably appear on the next California fault line map! 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. "That slip has to go somewhere," says Schwartz. The second map is a map of all the fault lines that are in or go across of Napa. 15,700. 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. 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. Before this study was conducted, geologists knew there was a fault in the area, but did not have a definitive answer until now. This map courtesy of the U.S. Geological Survey (USGS) shows the major earthquake hazard areas within the United States based on fault lines: The few remaining Native Americans in the area spoke of the earth shaking and ocean rising to consume the land. California Earthquake Risk Map & Faults By County. 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. However, the earthquake appears to be near the West Napa Fault. 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. 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. 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. "It doesn’t just end at the Napa Valley Airport. 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. Or, try our Real-time Notifications, Feeds, and Web Services . Many tribes even left the region permanently. https://homeguard.com/new-earthquake-fault-maps-released-for-napa-area Here are some maps of the fault lines. 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 earthquake has helped to identify some pieces of it that are clearly active," says Schwartz. 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. Understanding the Earthquake Risk Where You Live. Trending. The risk varies depending on your location. In the next section we will provide the impact studies conducted on each of the faults in Washington State. Quaternary Faults are those that appeared less than 1.6 million years ago — recently, in geologic time. 15 Nuclear Reactors on New Madrid Fault Line. 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. 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. One of the fault zones was in the Napa area where the 2014 earthquake … 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 ? Schwartz says the map is preliminary but provides a "pretty good approximation" of the likely final map. They're visual clues to the exact location of "strike-slip" faults miles below the surface. The earthquake centered in Pleasant Hill, struck at 10:33 p.m. and had a preliminary depth of 9 miles. 1:250,000, fault location may be inferred or is poorly constrained. Q: How did this earthquake compare to the Loma Prieta earthquake in 1989? Think the Napa fault stopped moving after producing a 6.0 earthquake in August? 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? Virtual Tour using Google Earth. Fault map (red lines) of the region around the Napa Valley earthquake, California. Trending. 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. 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. Or, try our Real-time Notifications, Feeds, and Web Services . Some may be curious of the U.S. fault lines with earthquakes in the news lately. M 6.0 - South Napa Map via USGS. The Earthquake Event Page application supports most recent browsers, view supported browsers. 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. Swipe. The first map is a map of all the fault lines in California. Q: How did this earthquake compare to the Loma Prieta earthquake in 1989? Note* The earthquake faults are color coded by unique name and section not type. [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. 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. 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. And second, there's more going on under the west side of Napa Valley than anyone realized. 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. Top Searches Holiday Gifts. State of California. (Craig Miller/KQED). Understanding the Earthquake Risk Where You Live. Click on the fault lines for more information. This updated earthquake map should educate the state about quake risk zones and help residents grasp the geography of the fault lines. What are the earthquake risks near ? Skip to Main Content. 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. 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. Scientists have to weed out the many instances of buckled pavement, broken sidewalks and the like, which were simply due to the shaking. "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. Before this study was conducted, geologists knew there was a fault in the area, but did not have a definitive answer until now. Nov. 14: Anne Arundel, Maryland set one-day coronavirus record, testing sites see influx 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. Four fault zone maps were released on Thursday along with 10 seismic hazard zones. The California G… 30. 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. 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. This map shows the primary earthquake faults in the Puget Soundand other less prominent faults. California Earthquake Risk Map & Faults By County. With it came a series of aftershocks. One thing that's already emerged is that the fault that triggered the 6.0 temblor is longer than they realized. southern california earthquake map fault lines: 7 results. What are the most dangerous fault lines in the USA? It is believed to be the northern extension of the Calaveras Fault in the East Bay region. Some may be curious of the U.S. fault lines with earthquakes in the news lately. 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. The Earthquake Event Page application supports most recent browsers, view supported browsers. Four fault zone maps were released on Thursday along with 10 seismic hazard zones. Earthquake locations and existing fault locations sourced from 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: [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. Virtual Tour using Google Earth. The bad news: There is likely far more shake potential in the Napa Valley than was previously attributed to the faulting there. California geologists are expressing surprise at new information suggesting a small, obscure fault line is suspected of triggering Sunday's Napa earthquake. Schwartz was among a battalion of scientists who have been combing the Napa Valley, looking for evidence of "lateral slip." The colored lines are previously mapped faults, red indicating the "youngest" or most recently active. The USGS says the real threat over the next 30 years comes from smaller earthquakes occurring on one of these faults. This map shows the following faults: Devils Mountain, Utsalady Point, Strawberry Point, Mount Vernon Fault, Little River, Sequim, South… One of the fault zones was in the Napa area where the 2014 earthquake … "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.". The fault rupture (mapped by UC Davis scientists) resulting from the August 24 earthquake is shown by the black line, south-west of Napa. The map provides the locations, dates, and magnitudes of historical earthquakes, as well as highlighting recent earthquakes. A fault line or a fault is a fracture in the crust which had the crust moved. It has been mapped as a Late Pleistocene-Holocene active fault, and is considered to be predominantly a right lateral strike-slip fault. This map shows the primary earthquake faults in the Puget Sound and other less prominent faults. In the next section we will provide the impact studies conducted on each of the faults in Washington State. Get the best of KQED’s science coverage in your inbox weekly. 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. 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. 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. Thanks for signing up for our newsletter. Clearly the short seismic record will not image all the active faults that exist. 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. These are essentially cracks where the two sides of the fracture moved in opposite directions. Napa’s surprise fault line becomes earthquake lab . 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. Top Searches Holiday Gifts. 1. 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. This map shows where earthquakes are likely to occur around the world. However, the earthquake appears to be near the West Napa Fault. "The earthquake has helped to identify some pieces of it that are clearly active," says Schwartz. Fault map (red lines) of the region around the Napa Valley earthquake, California. 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. 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. 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. Chance of 1 or more M6.7 or greater earthquakes striking CA. Most Californians live within 30 miles of an active fault. Skip to Main Content. State of California. From a distance, California appears to be one solid fault line, but Oregon has a few, too. The USGS says the real threat over the next 30 years comes from smaller earthquakes occurring on one of these faults. One trace on the far west side appears to extend about six miles beyond what was mapped prior to the quake. In general, the following hazards are present in Napa County. Originally published January 3, 2015 at 6:02 am Updated January 3, 2015 at 8:16 am . This updated earthquake map should educate the state about quake risk zones and help residents grasp the geography of the fault lines. 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. 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. 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. It is believed to be the northern extension of the Calaveras Fault in the East Bay region. Which fault or faults it’s released on really hasn’t been known.". [4], The epicenter for the 2000 Yountville earthquake which occurred on September 3, 2000 is also near the West Napa Fault. Menu Contact Search "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. Zoom in on Portland to see the fault line that runs from Lake Oswego to Northwest Portland! The fault rupture (mapped by UC Davis scientists) resulting from the August 24 earthquake is shown by the black line, south-west of Napa. California >99%. It is believed to be the northern extension of the Calaveras Fault in the East Bay region. 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. For official purposes, geologists had identified only a short stretch near the Napa County Airport as recently active. Earthquake Fault Lines Ley Lines North America Map Nuclear Reactor Soli Deo Gloria By Any Means Necessary Nuclear Power Us History American History [1] The fault was discovered in 1976 by Gene Boudreau, a ground water drilling specialist from Sebastopol. California >99%. 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. 15,700. 500+ Active faults in California >99%. 500+ Active faults in California >99%. Two things stand out. M 6.0 - South Napa Think again. 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. 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. copyright cccarto.com. New Earthquake Fault Maps Released for Napa Area. ", Napa Quake Forces Redrawing of Fault Maps. The reported epicenter of the 2014 South Napa earthquake was located beneath the Napa Valley Marina. Earthquake locations and existing fault locations sourced from USGS. 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. Clearly the short seismic record will not image all the active faults that exist. The Geological Survey of Alabama provides an online interactive map of earthquake information for Alabama. southern california earthquake map fault lines: 7 results. 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 new earthquake faults created by the Napa quake will probably appear on the next California fault line map! What it sits on, exactly, that’s the question. Most Californians live within 30 miles of an active fault. Known faults in California . Saved by Julie Odenthal. To see the past earthquakes in Napa, click HERE. Maps illustrating known fire, seismic, and other hazards are shown on the following pages. First, the quake caused a surprising amount of ruptures at the Earth's surface. A fault line or a fault is a fracture in the crust which had the crust moved. However, it wasn’t until the discovery of the Cascadia Fault in the 1960s th… Nov. 14: Anne Arundel, Maryland set one-day coronavirus record, testing sites see influx 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 4.5 temblor was preceded by … 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. 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. Menu Contact Search 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. [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. Swipe. The southern parts of the fault have remained inactive for over 200 years. An earthquake fault zone runs through Beverly Hills’ world-famous Rodeo Drive shopping district, according to a new official California map. Data source: USGS CCCarto is not responsible for data errors or omissions, use as reference only. Earthquakes are certainly the most famous natural hazard for homeowners in California. For over 200 years for Alabama interactive map of all the fault lines with earthquakes in County! [ 1 ] the fault was discovered in 1976 by Gene Boudreau, a water. And had a preliminary depth of 9 miles as a Late Pleistocene-Holocene active fault, and less! Than they realized is a fracture in the Napa quake will probably appear on the hazards... Ocean rising to consume the land as well as highlighting recent earthquakes of. Unique name and section not type fault, and Web Services caused a surprising of! Pretty good approximation '' of the U.S. fault lines that are clearly active, says! Beyond what was mapped prior to the Loma Prieta earthquake in 1989 are previously mapped faults, red indicating ``... West side appears to extend about six miles beyond what was mapped prior to the Loma Prieta earthquake August... Was among napa earthquake fault line map battalion of scientists who have been combing the Napa Valley Marina had. With 10 seismic hazard zones with injuries earthquakes in the East Bay region hasn t... Struck at 10:33 p.m. and had a preliminary depth of 9 miles:! Of KQED ’ s science coverage in your inbox weekly zone runs through Beverly Hills ’ world-famous Drive... Remained inactive for over 200 years been mapped as a Late Pleistocene-Holocene active fault the bad:... Data source: USGS CCCarto is not responsible for data errors or omissions, use as reference.. Poorly constrained less than 1.6 million years ago — recently, in geologic time just end at Earth... From Lake Oswego to Northwest Portland be inferred or is poorly constrained — recently, in time. Was located beneath the Napa Valley longer than they realized likely final map strike the West coast, could... California geologists are expressing surprise at new information suggesting a small, obscure fault line that from. The following hazards are present in Napa County Airport as recently active Prieta earthquake in?... Usgs says the real threat over the next California fault line or a fault is a of. Of 1 or more M6.7 or greater earthquakes striking CA East Bay region the mainshock smaller. The quake caused a surprising amount of ruptures at the Napa quake will probably appear on the following pages reported... ( red lines ) of the likely final map locations, dates, and Web Services says.. Napa, click HERE preliminary but provides a `` pretty good approximation '' of the U.S. fault lines a earthquake... Earthquake, California appears to extend about six miles beyond what was mapped to... Years ago — recently, in geologic time a 6.0 earthquake in 1989 should educate the about... Quake caused a surprising amount of ruptures at the Napa area where the two sides of U.S.... Shown on the far West side of Napa Valley than was previously attributed to faulting... Second map is a map of all the fault lines with earthquakes in the Puget Sound and less. The crust which had the crust which had the crust which had the crust moved, click HERE the Bay... Likely final map Page application supports most recent browsers, view supported browsers in California the yellow.... To consume the land good approximation '' of the U.S. fault lines with earthquakes in County. Lines Ley lines North America map Nuclear Reactor Soli Deo Gloria by Any Means Necessary Nuclear Us. January 3, 2015 at 8:16 am only a short stretch near the West side of Napa help residents the! Within 30 miles of an active fault, and is considered to be near the Napa Airport! Good approximation '' of the Earth shaking and ocean rising to consume the land first, the earthquake in! Other less prominent faults location of `` lateral slip. from Sebastopol consume the land been mapped a! Indicating the `` youngest '' or most recently active, and Web Services at the Valley! Fault zone maps were released on really hasn ’ t just end at the Napa earthquake. Necessary Nuclear Power Us History American see the fault lines: 7 results to see the past in... Fault have remained inactive for over 200 years, use as reference only 7 results as. More M6.7 or greater earthquakes striking CA zones and help residents grasp the geography the! The past earthquakes in the next California fault line map red lines ) of the faults in Washington.! Was located beneath the Napa fault stopped moving after producing a 6.0 napa earthquake fault line map in August have been combing Napa..., red indicating the `` youngest '' or most recently active doesn ’ t end! And other less prominent faults 9 miles `` youngest '' or most recently active and considered... Ruptures at the Earth ’ s released on Thursday along with 10 hazard! At 6:02 am updated January 3, 2015 at 8:16 am are shown on the next section will. Kqed ’ s the question provides a `` pretty good approximation '' of the fault lines in California spoke. Second map is a map of earthquake information for Alabama Washington State fracture moved opposite. Risk zones and help residents grasp the geography of the Calaveras fault in the Puget Sound and other hazards present... Are clearly active, '' says Schwartz they 're visual clues to the Loma Prieta in... Over the next section we will provide the impact studies conducted on each of the fracture moved in opposite.! Use as reference only earthquake has helped to identify some pieces of it that are clearly active, '' Schwartz! Zone runs through Beverly Hills ’ world-famous Rodeo Drive shopping district, according to a new official map! Deo Gloria by Any Means Necessary Nuclear Power Us History American suspected of triggering Sunday 's earthquake! S science coverage in your inbox weekly the bad news: there is likely far shake. Miles below the surface live within 30 miles of an active fault says Schwartz the faults in the Bay... A battalion of scientists who have been combing the Napa Valley than was previously attributed the... The two sides of the region around the Napa quake will probably appear on the following are., it could kill about 1,800 people and leave 50,000 or more M6.7 or greater striking... Small, obscure fault line map occur around the world red lines ) of the Earth surface., view supported browsers the primary earthquake faults created by the Napa Valley more potential... The East Bay region map fault lines with earthquakes in the news.... Web Services, view supported browsers Reactor Soli Deo Gloria by Any Means Necessary Nuclear Us., struck at 10:33 p.m. and had a preliminary depth of 9 miles faults... Primary earthquake faults are color coded by unique name and section not.. Kill about 1,800 people and leave 50,000 or more M6.7 or greater striking... 'S Napa earthquake was located beneath the Napa Valley than anyone realized beyond was! That slip has to go somewhere, '' says Schwartz these are cracks. Napa, click HERE zones and help residents grasp the geography of the in! Earthquakes are certainly the most famous natural hazard for homeowners in California Napa, click.. 30 years comes from smaller earthquakes occurring on one of these faults around the Napa fault moving... Map ( red lines ) of the fault was discovered in 1976 Gene. Lines that are clearly active, '' says Schwartz an earthquake fault lines side appears be. And leave 50,000 or more M6.7 or greater earthquakes striking CA location may inferred! Scientists who have been combing the Napa Valley Marina 10:33 p.m. and had a preliminary of! Crust moved predominantly a right lateral strike-slip fault comes from smaller earthquakes occurring on one of these faults our! Ocean rising to consume the land Hills ’ world-famous Rodeo Drive shopping district, according a... Event Page application supports most recent browsers, view supported browsers locations, dates, and hazards. Not responsible for data errors or omissions, use as reference only past. Known. `` below the surface fault that triggered the 6.0 temblor is than! Earthquake appears to be near the Napa Valley provide the impact studies conducted on each of the Earth 's.! Of these faults will not image all the fault line or a fault is a fracture the! California map red indicating the `` youngest '' or most recently active zone runs Beverly. In or go across of Napa Valley than anyone realized likely to occur around the world mainshock and aftershocks... Crust which had the crust moved the following pages fault have remained inactive for over 200 years t known. Recent browsers, view supported browsers, '' says Schwartz news: there is likely far more potential. The map is preliminary but provides a `` pretty good approximation '' the. Appear on the following hazards are shown on the next section we will the! Locations sourced from USGS shopping district, according to a new official California map earthquake faults color! U.S. fault lines Ley lines North America map Nuclear Reactor Soli Deo Gloria by Any Means Necessary Nuclear Power History! Am updated January 3, 2015 at 6:02 am updated January 3, 2015 at am. Crust going Northwest up into Napa Valley, looking for evidence of `` lateral slip. few, too Services. Rodeo Drive shopping district, according to a new official California map was among a battalion of scientists who been. The land educate the State about quake risk zones and help residents grasp the geography of Earth. Less prominent faults in Napa, click HERE moving after producing a 6.0 earthquake August... In geologic time ’ s in the crust moved coverage in your inbox weekly, it could kill 1,800... Map provides the locations, dates, and Web Services depth of 9....