Contents 1 Epicenter 2 Damage and fatalities 3 Valley fever outbreak 4 Hospitals affected 5 Television, movie, and music productions affected 6 Transportation affected 7 Universities, colleges, and schools affected 8 Entertainment and sports affected 9 Other buildings affected 10 Radio and television affected 11 Government and organization affected 12 Legislative changes 13 Building code changes 14 See also 15 References 16 External links


Epicenter[edit] The earthquake struck in the San Fernando Valley about 20 miles (31 km) northwest of downtown Los Angeles. Although given the name "Northridge", the epicenter was located in the community of Reseda; it took several days to pinpoint the epicenter in detail (both communities are neighborhoods of the City of Los Angeles). This was the first instance with a hypocenter directly beneath a U.S. city since the 1933 Long Beach earthquake.[10] The National Geophysical Data Center placed the hypocenter's geographical coordinates at 34°12′47″N 118°32′13″W / 34.21306°N 118.53694°W / 34.21306; -118.53694 and at a depth of 11.4 miles (18.3 km).[11] It occurred on a previously undiscovered fault, now named the Northridge blind thrust fault (also known as the Pico thrust fault).[12] Several other faults experienced minor rupture during the main shock and other ruptures occurred during large aftershocks, or triggered events.[13]


Damage and fatalities[edit] A house damaged in Santa Monica. I-10 skyway after earthquake. The collapsed section is near the supporter beam. The freeway "bent" just before the collapsed section Kaiser Permanente building Collapsed apartment building Street damage Damage occurred up to 85 miles (125 km) away, with the most damage in the west San Fernando Valley, and the cities of Santa Monica, Simi Valley and Santa Clarita. The exact number of fatalities is unknown, with sources estimating it at 60[1] or "over 60",[14] to 72,[15] where most estimates fall around 60.[16] The "official" death toll was placed at 57;[15] 33 people died immediately or within a few days from injuries sustained,[17] and many died from indirect causes, such as stress-induced cardiac events.[18][19] Some counts factor in related events such as a man's suicide possibly inspired by the loss of his business in the disaster.[15] More than 8,700 were injured including 1,600 who required hospitalization.[20] The Northridge Meadows apartment complex was one of the well-known affected areas in which sixteen people were killed as a result of the building's collapse. The Northridge Fashion Center and California State University, Northridge also sustained very heavy damage—most notably, the collapse of parking structures. The earthquake also gained worldwide attention because of damage to the vast freeway network, which serves millions of commuters every day. The most notable of this damage was to the Santa Monica Freeway, Interstate 10, known as the busiest freeway in the United States, congesting nearby surface roads for three months while the freeway was repaired. Farther north, the Newhall Pass interchange of Interstate 5 (the Golden State Freeway) and State Route 14 (the Antelope Valley Freeway) collapsed as it had 23 years earlier in the 1971 Sylmar earthquake even though it had been rebuilt with minor improvements to the structural components.[21] One life was lost in the Newhall Pass interchange collapse: LAPD motorcycle officer Clarence Wayne Dean fell 40 feet from the damaged connector from southbound 14 to southbound I-5 along with his motorcycle. Because of the early morning darkness, he likely did not realize that the elevated roadway below him had collapsed, and was unable to stop in time to miss the fall and died instantly. When the interchange was rebuilt again one year later, it was renamed the Clarence Wayne Dean Memorial Interchange in his honor. Additional damage occurred about 50 miles (80 km) southeast in Anaheim as the scoreboard at Anaheim Stadium collapsed onto several hundred seats. The stadium was vacant at the time. Although several commercial buildings also collapsed, loss of life was minimized because of the early morning hour of the quake, and because it also occurred on a federal holiday (Martin Luther King, Jr. Day). Also, because of known seismic activity in California, area building codes dictate that buildings incorporate structural design intended to withstand earthquakes. However, the damage caused revealed that some structural specifications did not perform as intended. Because of these revelations, building codes were revised. Some structures were not red-tagged until months later, because damage was not immediately evident. The quake produced unusually strong ground accelerations in the range of 1.0 g. Damage was also caused by fire and landslides. The Northridge earthquake was notable for hitting almost the same exact area as the MW 6.6 San Fernando (Sylmar) earthquake.[citation needed] Estimates of total damage range between $13 and $40 billion.[22] Most casualties and damage occurred in multi-story wood frame buildings (e.g. the three-story Northridge Meadows apartment building). In particular, buildings with an unstable first floor (such as those with parking areas on the bottom) performed poorly. Numerous fires were also caused by broken gas lines from houses shifting off their foundations or unsecured water heaters tumbling.[23] In the San Fernando Valley, several underground gas and water lines were severed, resulting in some streets experiencing simultaneous fires and floods. Damage to the system resulted in water pressure dropping to zero in some areas; this predictably affected success in fighting subsequent fires. Five days later, it was estimated that between 40,000 and 60,000 customers were still without public water service.[24] As expected, unreinforced masonry buildings and houses on steep slopes suffered damage. However, school buildings (K-12), which are required by California law to be reinforced, in general survived fairly well.


Valley fever outbreak[edit] An unusual effect of the Northridge earthquake was an outbreak of coccidioidomycosis (Valley fever) in Ventura County. This respiratory disease is caused by inhaling airborne spores of fungus. The 203 cases reported, of which three resulted in fatalities, constituted roughly 10 times the normal rate in the initial eight weeks. This was the first report of such an outbreak following an earthquake, and it is believed that the spores were carried in large clouds of dust created by seismically triggered landslides. Most of the cases occurred immediately downwind of the landslides.[25]


Hospitals affected[edit] Eleven hospitals suffered structural damage and were damaged or rendered unusable.[20] Not only were they unable to serve their local neighborhoods, but they also had to transfer out their inpatient populations, which further increased the burden on nearby hospitals that were still operational. As a result, the state legislature passed a law requiring all hospitals in California to ensure that their acute care units and emergency rooms would be in earthquake-resistant buildings by January 1, 2005. Most were unable to meet this deadline and only managed to achieve compliance in 2008 or 2009.[26]


Television, movie, and music productions affected[edit] The production of movies and TV shows was disrupted. The Star Trek: Deep Space Nine episode "Profit and Loss" was being filmed at the time, and actors Armin Shimerman and Edward Wiley left the Paramount Pictures lot in full Ferengi and Cardassian makeup respectively.[27] The season five episode of Seinfeld entitled "The Pie" was due to begin shooting on January 17 before stage sets were damaged. NBC's The Tonight Show, hosted by Jay Leno, took place in the NBC Studios in Burbank, close to the epicenter of the quake. Also, ABC's General Hospital, which shoots in Los Angeles, was heavily affected. The set, which is at ABC Television Center, suffered major damage, including partial structural collapse and water damage. All of the earthquake sequences in the Wes Craven film New Nightmare were filmed a month prior to the Northridge quake. The real quake struck only weeks before filming was completed. Subsequently, a team was sent out to film footage of the quake-damaged areas of the city. The cast and crew had initially thought that the scenes that were filmed before the real quake struck were a bit overdone, but upon viewing the footage after the earthquake, they were reportedly startled by the realism of it.[28] Some archives of film and entertainment programming were also affected. For example, the original 35 mm master films for the 1960s sitcom My Living Doll were destroyed.[29] The first and second episodes of the fifth season of Baywatch featured the earthquake, and how the lifeguards responded to it, professionally and personally.


Transportation affected[edit] This section does not cite any sources. Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. (October 2014) (Learn how and when to remove this template message) Damaged portion of the Golden State Freeway at Gavin Canyon. Portions of a number of major roads and freeways, including Interstate 10 over La Cienega Boulevard, and the interchanges of Interstate 5 with California State Route 14, 118, and Interstate 210, were closed because of structural failure or collapse. James E. Roberts was chief bridge engineer with Caltrans and was placed in charge of the seismic retrofit program for Caltrans until his death in 2006. Rail service was briefly interrupted, with full Amtrak and expanded Metrolink service resuming in stages in the days after the quake. Metrolink used the interruptions to road transport as a reason to experiment with service to Camarillo and Oxnard, which continues to the present. During the interruption, Metrolink leased equipment from Amtrak, San Francisco's Caltrain and Toronto, Canada's GO Transit to handle the sudden onslaught of passengers. All MTA bus lines operated service with detours and delays on the day of the quake. Los Angeles International Airport and other airports in the area were also shut down as a 2-hour precaution, including Burbank-Glendale-Pasadena Airport (now Bob Hope Airport) and Van Nuys Airport, which is near the epicenter, where the control tower suffered from radar failure and panel collapse. The airport was reopened in stages after the quake.


Universities, colleges, and schools affected[edit] This section does not cite any sources. Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. (October 2014) (Learn how and when to remove this template message) California State University, Northridge, was the closest university to the epicenter. Thus, many campus buildings were heavily damaged and a parking structure collapsed; as a result, many classes were moved to temporary structures[30]. In Valencia, California Institute of the Arts also experienced heavy damage, and classes were relocated to a nearby Lockheed test facility for the remainder of 1994. Los Angeles Unified School District closed local schools throughout the area, schools reopened one week later. University of California, Los Angeles and other universities were also shut down. The University of Southern California suffered some structural damage to several older campus buildings, but classes were conducted as scheduled.


Entertainment and sports affected[edit] Universal Studios Hollywood shut down the Earthquake attraction, based on the 1974 motion picture blockbuster, Earthquake. It was closed for the second time since the Loma Prieta earthquake. Angel Stadium of Anaheim (then known as Anaheim Stadium), which is far away from the epicenter, suffered some damage when the scoreboard fell into the seats. The theme parks Disneyland, Knott's Berry Farm and Six Flags Magic Mountain were shut down after the quake, but only for inspections, since all were designed with earthquakes in mind.[citation needed] The Los Angeles Memorial Coliseum and Los Angeles Memorial Sports Arena suffered minor damage. The major Hollywood film studios including Warner Brothers, 20th Century Fox, Columbia Pictures, Paramount Pictures, Walt Disney Studios and Universal Studios were also shut down. The recording venues Capitol Records and Warner Bros. Records were shut down at the time of the quake, most notably Madonna's Bedtime Stories and Ill Communication by Beastie Boys. The Los Angeles Clippers of the NBA had three home games postponed or moved to other venues. The game scheduled against the Sacramento Kings was postponed, the game against the Cleveland Cavaliers was relocated to The Forum (then the home arena of the Los Angeles Lakers), and the game against the New York Knicks was moved to the Arrowhead Pond (now Honda Center) in Anaheim.


Other buildings affected[edit] Numerous Los Angeles museums, including the Art Deco Building in Hollywood, were closed, as were numerous city shopping malls. Gazzarri's nightclub suffered irreparable damage and had to be torn down. The city of Santa Monica suffered significant damage. Many multifamily apartment buildings in Santa Monica were yellow-tagged and some red-tagged. Especially hard hit was a rough line between Santa Monica Canyon and Saint John's Hospital, a linear corridor that suffered a significant amount of property damage. The City of Santa Monica provided assistance to landlords dealing with repairs so tenants could return home as soon as possible.


Radio and television affected[edit] This section does not cite any sources. Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. (October 2014) (Learn how and when to remove this template message) Los Angeles' radio and television stations were knocked off the air, but resumed coverage later. NBC affiliate KNBC was the first television station to go on the air[31] while reporters and anchors Kent Shocknek, Colleen Williams and Chuck Henry were producing special reports[clarification needed] throughout the morning. Other stations KTLA, KCAL, KCBS and KABC were also knocked off the air. Afterward, anchors and reporters Stan Chambers and Hal Fishman of KTLA, Laura Diaz and Harold Greene of KABC, John Beard of KTTV, and Tritia Toyota of KCBS were doing coverage throughout the day.[citation needed] Radio stations such as KFI, KFWB and KNX were on the air during the main tremor, causing severe static on the airwaves. KROQ-FM's Kevin and Bean morning show asked those people tuned in to stay out of their homes.[citation needed] Mark & Brian's morning show on KLOS was also affected. The duo spoke to Los Angeles-area residents about their situation. FM radio stations such as KRTH, KIIS-FM, KOST-FM and KCBS-FM were bringing special reports when morning show hosts Robert W. Morgan, Rick Dees and Charlie Tuna were calling Los Angeles residents and others from their sister stations to bring their belongings to the stations and advising people not to drink water.


Government and organization affected[edit] This section does not cite any sources. Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. (October 2014) (Learn how and when to remove this template message) The United States Postal Service suspended all mail service throughout the Los Angeles area for several days. The Los Angeles Public Library shut down most of its branches; books were knocked down during the quake. The Los Angeles City Hall suffered no damage. Los Angeles Mayor Richard Riordan declared a state of emergency and issued curfews in the area, while Governor Pete Wilson and President Bill Clinton visited Los Angeles to tour the area. The Archdiocese of Los Angeles's Cathedral of St. Vibiana suffered severe damage and canceled activities until a new cathedral was built in 2002. The Church on the Way, which is near the epicenter, suffered some damage to the church campus building. The Martin Luther King Jr. Parade, scheduled to take place on January 17, was not held.


Legislative changes[edit] The Northridge earthquake led to a number of legislative changes. Due to the large amount lost by insurance companies, most insurance companies either stopped offering or severely restricted earthquake insurance in California. In response, the California Legislature created the California Earthquake Authority (CEA), which is a publicly managed but privately funded organization that offers minimal coverage.[32] A substantial effort was also made to reinforce freeway bridges against seismic shaking, and a law requiring water heaters to be properly strapped was passed in 1995.


Building code changes[edit] This section does not cite any sources. Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. (June 2011) (Learn how and when to remove this template message) With each major earthquake comes new understanding of the way in which buildings respond to them. Advances in the technology associated with testing systems, design and seismic modeling software, structural connections, structural forms, and seismic force resisting systems have accelerated dramatically since Northridge. There is an array of building forms and systems that are no longer legal to build. An example is the previously popular "soft-story" multifamily apartments. These buildings typically look like a three-story box on a narrow lot, where the upper two floors overhang the lower floor and are supported on pipe columns so cars can be parked underneath. Because the ground level is soft relative to the upper floors, the upper portion can sway and fall onto the carport below. Today, no wood floors are allowed to extend more than an additional 15% beyond the shear wall or other lateral-load resisting element of the floor below. This typically results in overhangs not exceeding three or four feet, compared to the 20 to 40 feet that were previously built. If an architect still wants this type of design, the structural engineer may specify that the previously used pipe column design be replaced with a laterally stiff steel "moment frame". This can also mitigate the problem of the soft-story structure by stiffening the soft ground floor.


See also[edit] Los Angeles portal 2008 California earthquake study List of earthquakes in California List of earthquakes in the United States


References[edit] ^ a b c "Historic Earthquakes". Retrieved 13 April 2016.  ^ "Introduction". Retrieved 13 April 2016.  ^ Petak, William; Elahi, Shirin (2001). The Northridge Earthquake, USA and its Economic and Social Impacts (PDF). EuroConference on Global Change and Catastrophe Risk Management Earthquake Risks in Europe, IIASA, Laxenburg Austria, July 6–9, 2000. p. 5.  ^ Yegian, M.K.; Ghahraman; Gazetas, G.; Dakoulas, P.; Makris, N. (April 1995). "The Northridge Earthquake of 1994: Ground Motions and Geotechnical Aspects" (PDF). Third International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics. Northeastern University College of Engineering. p. 1384. Retrieved 2014-03-19.  ^ Northridge Earthquake Southern California Earthquake Data Center. Retrieved October 6, 2006. ^ USGS Earthquake Information for 1994 "Significant Earthquakes of the World 1994" ^ "ShakeMap Scientific Background".  ^ Douglas Dreger. "The Large Aftershocks of the Northridge Earthquake and their Relationship to Mainshock Slip and Fault Zone Complexity". Retrieved 25 November 2012.  ^ "1994 Quake Still Fresh in Los Angeles Minds". Los Angeles Daily News. Retrieved July 9, 2017.  ^ "Significant Earthquakes and Faults, Northridge Earthquake". Southern California Earthquake Data Center. Retrieved October 6, 2014.  ^ "Show Event - NGDC Natural Hazard Images - ngdc.noaa.gov".  ^ "USGS Northridge Earthquake 10th Anniversary". Retrieved 13 April 2016.  ^ "Southern California Earthquake Data Center at Caltech".  ^ FEMA ^ a b c Reich, K. Study raises Northridge quake death toll to 72. Los Angeles Times December 20, 1995 ^ History Channel ^ Peek-Asa, C.; et al. (1998). "Fatal and hospitalized injuries resulting from the 1994 Northridge earthquake". International Journal of Epidemiology. 27 (3): 459–465. doi:10.1093/ije/27.3.459. PMID 9698136.  ^ Kloner, R. A.; et al. (1997). "Population-Based Analysis of the Effect of the Northridge Earthquake on Cardiac Death in Los Angeles County, California". Journal of the American College of Cardiology. 30 (5): 1174–1180. doi:10.1016/S0735-1097(97)00281-7.  ^ Leor, J.; et al. (1996). "Sudden cardiac death triggered by an earthquake". New England Journal of Medicine. 334 (4): 413–419. doi:10.1056/NEJM199602153340701.  ^ a b Executive Summary ^ "Federal Highway Administration Research and Technology-- - Federal Highway Administration".  ^ "Comments for the Significant Earthquake". National Geophysical Data Center. Retrieved 2 February 2015.  ^ Secure Your Stuff: Water Heater ^ Scawthorn; Eidinger; Schiff, eds. (2005). Fire Following Earthquake. Reston, vA: ASCE, NFPA. ISBN 9780784407394.  ^ "Coccidioidmycosis Outbreak". USGS Landslide Hazards Program. Archived from the original on 2014-02-02.  ^ Cheevers, Jack; Abrahamson, Alan (January 19, 1994), "Earthquake: The Long Road Back : Hospitals Strained to the Limit by Injured : Medical care: Doctors treat quake victims in parking lots. Details of some disaster-related deaths are released", Los Angeles Times  ^ Erdmann, Terry J.; Paula M. Block (2010-03-29). Star Trek: Deep Space Nine Companion. ISBN 0-671-50106-2.  ^ "New Nightmare (1994)". IMDb. Retrieved 13 April 2016.  ^ Susan King, "The 'perfect' '60s woman", Los Angeles Times, April 4, 2012; retrieved April 14, 2012 ^ CHANDLER, JOHN; JOHNSON, JOHN (1994-02-15). "Quake-Ravaged CSUN Reopens Amid Confusion". Los Angeles Times. ISSN 0458-3035. Retrieved 2017-12-07.  ^ "Flashback: NBC4 Covers 1994 Northridge Earthquake". KNBC. 17 January 2014. Retrieved 30 April 2016.  ^ "CA Earthquake Authority". Retrieved 13 April 2016. 


External links[edit] Wikimedia Commons has media related to 1994 Northridge earthquake. Southern California Earthquake Data Center USGS Pasadena USC Earthquake Engineering-Strong Motion Group SAC Steel Project (Study of welded steel failures) Helicopter Footage Filmed After The Quake CITY OF LOS ANGELES Re-survey of the San Fernando Valley v t e ← Earthquakes in 1994 → Northridge (6.7, Jan 17) † Sumatra (7.0, Feb 15) Java (7.8, Jun 3) † Paez river (6.4, Jun 6) † ‡ Bolivia (8.2, Jun 9) Taiwan Strait (6.8, Sep 16) Kuril Islands (8.3, Oct 5) Mindoro (7.1, Nov 15) † Honshu (7.7, Dec 28) † indicates earthquake resulting in at least 30 deaths ‡ indicates the deadliest earthquake of the year v t e Earthquakes in California Very Large (7.0–7.9) 1812 San Juan Capistrano (6.9–7.5) 1838 San Andreas (6.8–7.2) 1857 Fort Tejon (7.9) 1872 Lone Pine (7.4–7.9) 1892 Laguna Salada (7.1–7.2) 1906 San Francisco (7.8) 1952 Kern County (7.3) 1980 Eureka (7.3) 1992 Cape Mendocino (7.2) 1992 Landers (7.3) 1999 Hector Mine (7.1) 2010 Baja California (7.2) Large (6.0–6.9) 1868 Hayward (6.3–6.7) 1892 Vacaville–Winters (6.4, 6.2) 1898 Mare Island (5.8–6.4) 1918 San Jacinto (6.7) 1925 Santa Barbara (6.8) 1932 Eureka (6.4) 1933 Long Beach (6.4) 1940 El Centro (6.9) 1948 Desert Hot Springs (6.3) 1971 San Fernando (6.5–6.7) 1979 Imperial Valley (6.4) 1983 Coalinga (6.2) 1984 Morgan Hill (6.2) 1986 North Palm Springs (6.0) 1986 Chalfant Valley (6.2) 1989 Loma Prieta (6.9) 1992 Big Bear (6.5) 1994 Northridge (6.7) 2003 San Simeon (6.6) 2010 Eureka (6.5) 2014 South Napa (6.0) Moderate (5.0–5.9) 1957 San Francisco (5.7) 1969 Santa Rosa (5.6, 5.7) 1973 Point Mugu (5.8) 1979 Coyote Lake (5.7) 1987 Whittier Narrows (5.9) 1990 Upland (5.7) 1991 Sierra Madre (5.6) 2000 Yountville (5.0) 2007 Alum Rock (5.6) 2008 Chino Hills (5.5) v t e Earthquakes in the United States Historical 1638 New Hampshire 1663 Charlevoix 1700 Cascadia 1755 Cape Ann 1811–12 New Madrid 1838 San Andreas 1857 Fort Tejon 1865 Memphis 1867 Manhattan, Kansas 1868 Hawaii 1868 Hayward 1872 Lone Pine 1872 North Cascades 1886 Charleston 1887 Sonora 1892 Laguna Salada 1892 Vacaville–Winters 1898 Mare Island 20th-century 1906 San Francisco 1906 Aleutian Islands 1909 Wabash River 1915 Pleasant Valley 1916 Irondale 1918 San Jacinto 1925 Santa Barbara 1931 Valentine 1932 Eureka 1933 Long Beach 1935 Helena 1940 El Centro 1940 New Hampshire 1944 Cornwall–Massena 1946 Aleutian Islands 1947 Wisconsin 1948 Desert Hot Springs 1949 Olympia 1952 Kern County 1957 Andreanof Islands 1957 San Francisco 1959 Hebgen Lake 1964 Alaska 1965 Rat Islands 1965 Puget Sound 1968 Illinois 1969 Santa Rosa 1971 San Fernando 1973 Point Mugu 1975 Near Islands 1975 Morris 1975 Hawaii 1979 Coyote Lake 1979 Imperial Valley 1980 Eureka 1983 Coalinga 1983 Borah Peak 1984 Morgan Hill 1986 North Palm Springs 1986 Chalfant Valley 1987 Whittier Narrows 1989 Loma Prieta 1990 Upland 1991 Sierra Madre 1992 Cape Mendocino 1992 Landers 1992 Big Bear 1993 Scotts Mills 1993 Klamath Falls 1994 Northridge 1995 Marathon 1996 Duvall 1998 Pymatuning 1999 Hector Mine 2000 Yountville 21st-century 2001 Nisqually 2002 Denali 2003 Alabama 2003 San Simeon 2006 Gulf of Mexico 2006 Kiholo Bay 2007 Alum Rock 2008 Illinois 2008 Chino Hills 2010 Eureka 2010 Baja California 2010 Indiana 2011 Colorado 2011 Virginia 2011 Oklahoma 2014 Aleutian Islands 2014 Southeast Alaska 2014 South Napa 2016 Oklahoma 2016 Hawthorne Swarms 2001 Enola 2008 Reno 2010–11 Guy-Greenbrier 2012 Brawley 2009–17 Oklahoma v t e Northridge, Los Angeles History Incidents 1994 Northridge earthquake Education Primary and secondary schools Los Angeles Unified School District Northridge Academy High School Highland Hall Waldorf School Other education California State University, Northridge Los Angeles Community College District Los Angeles Public Library Other Landmarks California State University Northridge Botanic Garden Northridge Fashion Center Northridge Hospital Medical Center This list is incomplete. Retrieved from "https://en.wikipedia.org/w/index.php?title=1994_Northridge_earthquake&oldid=814220797" Categories: Earthquakes in California1994 in CaliforniaDisasters in Los AngelesGeology of Los Angeles County, CaliforniaHistory of Los AngelesHistory of the San Fernando ValleyNorthridge, Los AngelesSanta Susana Mountains1994 earthquakes1994 natural disasters in the United StatesJanuary 1994 eventsHidden categories: Coordinates on WikidataAll articles with unsourced statementsArticles with unsourced statements from October 2014Articles needing additional references from October 2014All articles needing additional referencesArticles with unsourced statements from March 2014Wikipedia articles needing clarification from December 2010Articles with unsourced statements from March 2011Articles needing additional references from June 2011


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1994 Northridge Earthquake Is Located In CaliforniaPacific Time ZoneMoment Magnitude ScaleGeographic Coordinate SystemBlind Thrust EarthquakeGreater Los Angeles AreaSouthern CaliforniaMercalli Intensity ScaleEnlargeEnlargePacific Time ZoneEpicenterReseda, Los AngelesSan Fernando ValleyBlind Thrust EarthquakeMoment Magnitude ScalePeak Ground AccelerationLas Vegas ValleyAftershocksSan Fernando ValleyHypocenter1933 Long Beach EarthquakeNational Geophysical Data CenterThrust FaultEnlargeEnlargeInterstate 10 In CaliforniaEnlargeEnlargeEnlargeEnlargeSanta Monica, CaliforniaSimi Valley, CaliforniaSanta Clarita, CaliforniaCardiac ArrestSuicideNorthridge Fashion CenterCalifornia State University, NorthridgeInterstate 10 In CaliforniaNewhall Pass InterchangeInterstate 5 In CaliforniaGolden State FreewayCalifornia State Route 14Antelope Valley Freeway1971 San Fernando EarthquakeLos Angeles Police DepartmentAnaheim, CaliforniaAngel Stadium Of AnaheimMartin Luther King, Jr. DayBuilding CodeStructural DesignColor-tagged StructureG-force1971 San Fernando EarthquakeWikipedia:Citation NeededUnreinforced Masonry BuildingCoccidioidomycosisVentura County, CaliforniaStar Trek: Deep Space NineProfit And Loss (Star Trek: Deep Space Nine)Armin ShimermanParamount PicturesFerengiCardassianSeinfeld (season 5)SeinfeldThe PieThe Tonight ShowJay LenoGeneral HospitalWes CravenWes Craven's New NightmareMy Living DollBaywatchWikipedia:Citing SourcesWikipedia:VerifiabilityHelp:Introduction To Referencing With Wiki Markup/1Wikipedia:VerifiabilityHelp:Maintenance Template RemovalEnlargeGolden State FreewayInterstate 10 In CaliforniaLa Cienega BoulevardInterstate 5California State Route 14California State Route 118Interstate 210 And State Route 210 (California)James E. 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MorganRick DeesWikipedia:Citing SourcesWikipedia:VerifiabilityHelp:Introduction To Referencing With Wiki Markup/1Wikipedia:VerifiabilityHelp:Maintenance Template RemovalLos Angeles Public LibraryRichard RiordanPete WilsonBill ClintonArchdiocese Of Los AngelesCathedral Of St. VibianaMartin Luther King Jr.California Earthquake AuthorityWikipedia:Citing SourcesWikipedia:VerifiabilityHelp:Introduction To Referencing With Wiki Markup/1Wikipedia:VerifiabilityHelp:Maintenance Template RemovalEarthquake EngineeringSoft Story BuildingArchitectStructural EngineerPortal:Los Angeles2008 California Earthquake StudyList Of Earthquakes In CaliforniaList Of Earthquakes In The United StatesLos Angeles TimesDigital Object IdentifierPubMed IdentifierDigital Object IdentifierNew England Journal Of MedicineDigital Object IdentifierNational Geophysical Data CenterInternational Standard Book NumberSpecial:BookSources/9780784407394USGSLos Angeles TimesStar Trek: Deep Space Nine CompanionInternational Standard Book NumberSpecial:BookSources/0-671-50106-2Los Angeles TimesInternational Standard Serial NumberTemplate:Earthquakes In 1994Template Talk:Earthquakes In 1994Template:Earthquakes In 1993Template:Earthquakes In 19951994 Liwa Earthquake1994 Java Earthquake1994 Páez River Earthquake1994 Bolivia Earthquake1994 Taiwan Strait Earthquake1994 Kuril Islands Earthquake1994 Mindoro Earthquake1994 Offshore Sanriku EarthquakeTemplate:Earthquakes In CaliforniaTemplate Talk:Earthquakes In CaliforniaList Of Earthquakes In California1812 San Juan Capistrano Earthquake1838 San Andreas Earthquake1857 Fort Tejon Earthquake1872 Lone Pine Earthquake1892 Laguna Salada Earthquake1906 San Francisco Earthquake1952 Kern County Earthquake1980 Eureka Earthquake1992 Cape Mendocino Earthquakes1992 Landers Earthquake1999 Hector Mine Earthquake2010 Baja California Earthquake1868 Hayward Earthquake1892 Vacaville–Winters Earthquakes1898 Mare Island Earthquake1918 San Jacinto Earthquake1925 Santa Barbara Earthquake1932 Eureka Earthquake1933 Long Beach Earthquake1940 El Centro Earthquake1948 Desert Hot Springs Earthquake1971 San Fernando Earthquake1979 Imperial Valley Earthquake1983 Coalinga Earthquake1984 Morgan Hill Earthquake1986 North Palm Springs Earthquake1986 Chalfant Valley Earthquake1989 Loma Prieta Earthquake1992 Big Bear Earthquake2003 San Simeon Earthquake2010 Eureka Earthquake2014 South Napa Earthquake1957 San Francisco Earthquake1969 Santa Rosa Earthquakes1973 Point Mugu Earthquake1979 Coyote Lake Earthquake1987 Whittier Narrows Earthquake1990 Upland Earthquake1991 Sierra Madre Earthquake2000 Yountville Earthquake2007 Alum Rock Earthquake2008 Chino Hills EarthquakeTemplate:Earthquakes In The United StatesTemplate Talk:Earthquakes In The United StatesList Of Earthquakes In The United States1638 New Hampshire Earthquake1663 Charlevoix Earthquake1700 Cascadia Earthquake1755 Cape Ann Earthquake1811–12 New Madrid Earthquakes1838 San Andreas Earthquake1857 Fort Tejon Earthquake1865 Memphis Earthquake1867 Manhattan, Kansas Earthquake1868 Hawaii Earthquake1868 Hayward Earthquake1872 Lone Pine Earthquake1872 North Cascades Earthquake1886 Charleston Earthquake1887 Sonora Earthquake1892 Laguna Salada Earthquake1892 Vacaville–Winters Earthquakes1898 Mare Island Earthquake1906 San Francisco Earthquake1906 Aleutian Islands Earthquake1909 Wabash River Earthquake1915 Pleasant Valley Earthquake1916 Irondale Earthquake1918 San Jacinto Earthquake1925 Santa Barbara Earthquake1931 Valentine Earthquake1932 Eureka Earthquake1933 Long Beach Earthquake1935 Helena Earthquake1940 El Centro Earthquake1940 New Hampshire Earthquakes1944 Cornwall–Massena Earthquake1946 Aleutian Islands Earthquake1947 Wisconsin Earthquake1948 Desert Hot Springs Earthquake1949 Olympia Earthquake1952 Kern County Earthquake1957 Andreanof Islands Earthquake1957 San Francisco Earthquake1959 Hebgen Lake Earthquake1964 Alaska Earthquake1965 Rat Islands Earthquake1965 Puget Sound Earthquake1968 Illinois Earthquake1969 Santa Rosa Earthquakes1971 San Fernando Earthquake1973 Point Mugu Earthquake1975 Near Islands Earthquake1975 Morris Earthquake1975 Hawaii Earthquake1979 Coyote Lake Earthquake1979 Imperial Valley Earthquake1980 Eureka Earthquake1983 Coalinga Earthquake1983 Borah Peak Earthquake1984 Morgan Hill Earthquake1986 North Palm Springs Earthquake1986 Chalfant Valley Earthquake1987 Whittier Narrows Earthquake1989 Loma Prieta Earthquake1990 Upland Earthquake1991 Sierra Madre Earthquake1992 Cape Mendocino Earthquakes1992 Landers Earthquake1992 Big Bear Earthquake1993 Scotts Mills Earthquake1993 Klamath Falls Earthquakes1995 Marathon Earthquake1996 Duvall Earthquake1998 Pymatuning Earthquake1999 Hector Mine Earthquake2000 Yountville Earthquake2001 Nisqually Earthquake2002 Denali Earthquake2003 Alabama Earthquake2003 San Simeon Earthquake2006 Gulf Of Mexico Earthquake2006 Kiholo Bay Earthquake2007 Alum Rock Earthquake2008 Illinois Earthquake2008 Chino Hills Earthquake2010 Eureka Earthquake2010 Baja California Earthquake2010 Indiana Earthquake2011 Colorado Earthquake2011 Virginia Earthquake2011 Oklahoma Earthquake2014 Aleutian Islands Earthquake2014 Palma Bay Earthquake2014 South Napa Earthquake2016 Oklahoma Earthquake2016 Hawthorne EarthquakesEnola Earthquake Swarm2008 Reno EarthquakesGuy-Greenbrier Earthquake SwarmBrawley Seismic Zone2009–17 Oklahoma Earthquake SwarmsTemplate:Northridge, Los AngelesTemplate Talk:Northridge, Los AngelesNorthridge, Los AngelesLos Angeles Unified School DistrictNorthridge Academy High SchoolHighland Hall Waldorf SchoolCalifornia State University, NorthridgeLos Angeles Community College DistrictLos Angeles Public LibraryCalifornia State University Northridge Botanic GardenNorthridge Fashion CenterNorthridge Hospital Medical CenterHelp:CategoryCategory:Earthquakes In CaliforniaCategory:1994 In CaliforniaCategory:Disasters In Los AngelesCategory:Geology Of Los Angeles County, CaliforniaCategory:History Of Los AngelesCategory:History Of The San 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