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87-814: Coordinates : 37°48′12″N 122°16′21″W / 37.8034°N 122.2724°W / 37.8034; -122.2724 24-story High-rise building in the City Center complex of downtown Oakland, California Clorox Building [REDACTED] [REDACTED] [REDACTED] Clorox Building Location within Oakland, California Show map of Oakland, California [REDACTED] [REDACTED] Clorox Building Clorox Building (California) Show map of California [REDACTED] [REDACTED] Clorox Building Clorox Building (the United States) Show map of
174-532: A prime meridian at the westernmost known land, designated the Fortunate Isles , off the coast of western Africa around the Canary or Cape Verde Islands , and measured north or south of the island of Rhodes off Asia Minor . Ptolemy credited him with the full adoption of longitude and latitude, rather than measuring latitude in terms of the length of the midsummer day. Ptolemy's 2nd-century Geography used
261-704: A disproportionate death toll from the COVID-19 pandemic and Delta cron hybrid variant within the San Francisco Bay Area. In 2023, prior to and during the Covid pandemic, Oakland became the first city in American history to lose three professional major league sports teams to other cities within a span of five years. Oakland is in the eastern region of the San Francisco Bay . The United States Census Bureau says
348-582: A linguistic grouping later called the Ohlone (a Miwok word meaning "western people"). In Oakland, they were concentrated around Lake Merritt and Temescal Creek , a stream that enters the San Francisco Bay at Emeryville . In 1772, the area that later became Oakland was colonized, along with the rest of California, by Spanish settlers for the king of Spain . In the early 19th century, the Spanish crown granted
435-646: A little before 1300; the text was translated into Latin at Florence by Jacopo d'Angelo around 1407. In 1884, the United States hosted the International Meridian Conference , attended by representatives from twenty-five nations. Twenty-two of them agreed to adopt the longitude of the Royal Observatory in Greenwich , England as the zero-reference line. The Dominican Republic voted against
522-416: A location often facetiously called Null Island . In order to use the theoretical definitions of latitude, longitude, and height to precisely measure actual locations on the physical earth, a geodetic datum must be used. A horizonal datum is used to precisely measure latitude and longitude, while a vertical datum is used to measure elevation or altitude. Both types of datum bind a mathematical model of
609-535: A longitudinal degree is 111.3 km. At 30° a longitudinal second is 26.76 m, at Greenwich (51°28′38″N) 19.22 m, and at 60° it is 15.42 m. On the WGS 84 spheroid, the length in meters of a degree of latitude at latitude ϕ (that is, the number of meters you would have to travel along a north–south line to move 1 degree in latitude, when at latitude ϕ ), is about The returned measure of meters per degree latitude varies continuously with latitude. Similarly,
696-533: A major rail terminal in the late 1860s and 1870s. In 1868, the Central Pacific constructed the Oakland Long Wharf at Oakland Point, the site of today's Port of Oakland . A number of horsecar and cable car lines were constructed in Oakland during the latter half of the 19th century. The first electric streetcar set out from Oakland to Berkeley in 1891, and other lines were converted and added over
783-446: A marsh-lined wildlife haven, Lake Merritt was dredged and bordered with parks from the 1890s to the 1910s. Despite this reduction in habitat, Oakland is home to a number of rare and endangered species, many of which are localized to serpentine soils and bedrock. Lake Merritt is surrounded by residential and business districts, including downtown and Grand Lake . The city of Piedmont , incorporated in Oakland's central foothills after
870-670: A national cartographical organization include the North American Datum , the European ED50 , and the British OSGB36 . Given a location, the datum provides the latitude ϕ {\displaystyle \phi } and longitude λ {\displaystyle \lambda } . In the United Kingdom there are three common latitude, longitude, and height systems in use. WGS 84 differs at Greenwich from
957-588: A new plant there, Oakland had become known as the " Detroit of the West," referring to the major auto manufacturing center in Michigan. Oakland expanded during the 1920s, as its population expanded with factory workers. Approximately 13,000 homes were built in the 3 years between 1921 and 1924, more than during the 13 years between 1907 and 1920. Many of the large downtown office buildings, apartment buildings, and single-family houses still standing in Oakland were built during
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#17328595133521044-691: A preparatory academy was founded in Oakland that soon became the College of California , and in 1869, the first campus of the University of California . The university moved just north to Berkeley in the 1870s. During the 1850s, just as gold was discovered in California, Oakland started growing and further developing because land was becoming too expensive in San Francisco . People in China were struggling financially as
1131-638: A result of the First Opium War , the Second Opium War , and the Taiping Rebellion , so they began migrating to Oakland, many of whom were recruited to work on railroads. However, the Chinese struggled to settle because they were discriminated against by the white community and their living quarters were burned down on several occasions. The city and its environs quickly grew with the railroads, becoming
1218-841: A simple translation may be sufficient. Datums may be global, meaning that they represent the whole Earth, or they may be local, meaning that they represent an ellipsoid best-fit to only a portion of the Earth. Examples of global datums include World Geodetic System (WGS 84, also known as EPSG:4326 ), the default datum used for the Global Positioning System , and the International Terrestrial Reference System and Frame (ITRF), used for estimating continental drift and crustal deformation . The distance to Earth's center can be used both for very deep positions and for positions in space. Local datums chosen by
1305-494: A small epidemic of Pneumonic plague which killed a dozen people in Oakland. This started when a man went hunting in Contra Costa Valley and killed a squirrel. After eating the squirrel, he fell ill four days later and another household member contracted the plague. This in turn was passed on either directly or indirectly to about a dozen others. The officials in Oakland acted quickly by issuing death certificates to monitor
1392-506: A total of US$ 57 million during the 2001–2011 timeframe to plaintiffs claiming police abuse; this is the largest sum paid by any city in California. On October 10, 2011, protesters and civic activists began " Occupy Oakland " demonstrations at Frank Ogawa Plaza in Downtown Oakland . African-Americans dropped to 28% of Oakland's population in 2010, from nearly half in 1980, due to fast-rising rents and an extreme housing crisis in
1479-456: A vacant three-bedroom house in West Oakland. The group, calling themselves Moms 4 Housing , said their goal was to protest what they said was a large number of vacant houses in Oakland owned by redevelopment companies while the city experienced a housing crisis. Two months later they were evicted from the house by three dozen sheriff's deputies, as hundreds of supporters demonstrated in favor of
1566-500: A year, or 10 m in a century. A weather system high-pressure area can cause a sinking of 5 mm . Scandinavia is rising by 1 cm a year as a result of the melting of the ice sheets of the last ice age , but neighboring Scotland is rising by only 0.2 cm . These changes are insignificant if a local datum is used, but are statistically significant if a global datum is used. On the GRS 80 or WGS 84 spheroid at sea level at
1653-583: Is where Earth's equatorial radius a {\displaystyle a} equals 6,378,137 m and tan β = b a tan ϕ {\displaystyle \textstyle {\tan \beta ={\frac {b}{a}}\tan \phi }\,\!} ; for the GRS 80 and WGS 84 spheroids, b a = 0.99664719 {\textstyle {\tfrac {b}{a}}=0.99664719} . ( β {\displaystyle \textstyle {\beta }\,\!}
1740-418: Is a spherical or geodetic coordinate system for measuring and communicating positions directly on Earth as latitude and longitude . It is the simplest, oldest and most widely used of the various spatial reference systems that are in use, and forms the basis for most others. Although latitude and longitude form a coordinate tuple like a cartesian coordinate system , the geographic coordinate system
1827-688: Is a 24- story , 100.6 m (330 ft) high-rise building in the City Center complex of downtown Oakland , California . The building was completed in 1976, and designed by Cesar Pelli when he worked with Gruen Associates now based in Los Angeles . The Oakland-based Clorox Company is headquartered in the building. See also [ edit ] [REDACTED] San Francisco Bay Area portal List of tallest buildings in Oakland, California References [ edit ] ^ "Emporis building ID 126146" . Emporis . Archived from
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#17328595133521914-697: Is a city in the East Bay region of the San Francisco Bay Area in the U.S. state of California . It is the county seat and most populous city in Alameda County , with a population of 440,646 in 2020. A major West Coast port, Oakland is the most populous city in the East Bay, the third most populous city in the Bay Area, and the eighth most populous city in California. It serves as the Bay Area's trade center:
2001-411: Is far enough inland that the fog often burns off by midday, allowing it to have typically sunny California days. The hills tend to have more fog than the flatlands, as the fog drifts down from Berkeley . The U.S. Weather Bureau kept weather records in downtown Oakland from October 4, 1894, to July 31, 1958. During that time, the record high temperature was 104 °F (40 °C) on June 24, 1957, and
2088-709: Is known as the reduced (or parametric) latitude ). Aside from rounding, this is the exact distance along a parallel of latitude; getting the distance along the shortest route will be more work, but those two distances are always within 0.6 m of each other if the two points are one degree of longitude apart. Like any series of multiple-digit numbers, latitude-longitude pairs can be challenging to communicate and remember. Therefore, alternative schemes have been developed for encoding GCS coordinates into alphanumeric strings or words: These are not distinct coordinate systems, only alternative methods for expressing latitude and longitude measurements. Oakland, California Oakland
2175-540: Is not cartesian because the measurements are angles and are not on a planar surface. A full GCS specification, such as those listed in the EPSG and ISO 19111 standards, also includes a choice of geodetic datum (including an Earth ellipsoid ), as different datums will yield different latitude and longitude values for the same location. The invention of a geographic coordinate system is generally credited to Eratosthenes of Cyrene , who composed his now-lost Geography at
2262-503: Is now downtown Oakland. In 1852, the Town of Oakland was incorporated by the state legislature. During this time, Oakland had 75–100 inhabitants, two hotels, a wharf, two warehouses, and only cattle trails. Two years later, on March 25, 1854, Oakland re-incorporated as the City of Oakland. Horace Carpentier was elected the first mayor, though a scandal ended his mayorship in less than a year. In 1853,
2349-731: Is the angle east or west of a reference meridian to another meridian that passes through that point. All meridians are halves of great ellipses (often called great circles ), which converge at the North and South Poles. The meridian of the British Royal Observatory in Greenwich , in southeast London, England, is the international prime meridian , although some organizations—such as the French Institut national de l'information géographique et forestière —continue to use other meridians for internal purposes. The prime meridian determines
2436-417: Is the only beach in Oakland. Oaklanders refer to their city's terrain as "the flatlands" and "the hills" . Until recent waves of gentrification, these terms also symbolized Oakland's deep economic divide, with "the hills" being more affluent communities. About two-thirds of Oakland lies in the flat plain of the East Bay, with one-third rising into the foothills and hills of the East Bay range. Ruptures along
2523-489: Is typified by the temperate and seasonal Mediterranean climate. Summers are usually dry and warm and winters are cool and damp. It has features found in both nearby coastal cities such as San Francisco and inland cities such as San Jose , making it warmer than San Francisco and cooler than San Jose. Its position on San Francisco Bay across from the Bay Bridge means the northern part of the city can have cooling maritime fog . It
2610-405: Is ultimately calculated from latitude and longitude, it is crucial that they clearly state the datum on which they are based. For example, a UTM coordinate based on WGS84 will be different than a UTM coordinate based on NAD27 for the same location. Converting coordinates from one datum to another requires a datum transformation such as a Helmert transformation , although in certain situations
2697-509: The Black Panther Party at Merritt College (then located at a former high school on Grove Street, now occupied by Children's Hospital Oakland Research Institute ), which emphasized Black nationalism , advocated armed self-defense against police, and was involved in several incidents that ended in the deaths of police officers and other Black Panther members. Among their social programs were feeding children and providing other services to
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2784-473: The Jim Crow South carried their racial attitudes, causing tensions to rise among black and white workers competing for better-paying jobs in the Bay Area. The racial harmony Oakland African-Americans had been accustomed to prior to the war evaporated. Also migrating to the area during this time were many Mexican Americans from southwestern states such as New Mexico , Texas , and Colorado . Many worked for
2871-489: The Library of Alexandria in the 3rd century BC. A century later, Hipparchus of Nicaea improved on this system by determining latitude from stellar measurements rather than solar altitude and determining longitude by timings of lunar eclipses , rather than dead reckoning . In the 1st or 2nd century, Marinus of Tyre compiled an extensive gazetteer and mathematically plotted world map using coordinates measured east from
2958-618: The Oakland Hills . East Oakland, which includes the East Oakland Hills, encompasses more than half of Oakland's land area, stretching from Lakeshore Avenue on the east shore of Lake Merritt southeast to the San Leandro border. North Oakland encompasses the neighborhoods between downtown and Berkeley and Emeryville . West Oakland is the area between downtown and the Bay, partially surrounded by
3045-654: The Oakland Point , and encompassing the Port of Oakland . In 2011, Oakland was ranked the tenth most walkable city in the United States by Walk Score . Lake Merritt, an urban estuary near downtown, is a mix of fresh and salt water draining in and out from the Oakland Harbor at the San Francisco Bay and one of Oakland's most notable features. It was designated the United States' first official wildlife refuge in 1870. Originally
3132-526: The Port of Oakland is the busiest port in Northern California , and the fifth- or sixth-busiest in the United States. A charter city , Oakland was incorporated on May 4, 1852, in the wake of the state's increasing population due to the California gold rush . Oakland's territory covers what was once a mosaic of California coastal terrace prairie , oak woodland , and north coastal scrub . In
3219-651: The San Francisco–Oakland Bay Bridge also sustained damage and was closed to traffic for one month. On October 20, 1991, a massive firestorm swept down from the Berkeley /Oakland hills above the Caldecott Tunnel. Twenty-five people were killed, 150 people were injured, and nearly 4,000 homes destroyed. With the loss of life and an estimated economic loss of US$ 1.5 billion, this was the worst urban firestorm in American history, until 2017. During
3306-532: The Southern Pacific Railroad , at its major rail yard in West Oakland. Their young men encountered hostility and discrimination by Armed Forces personnel, and tensions broke out in " zoot suit riots " in downtown Oakland in 1943 in the wake of a major disturbance in Los Angeles that year. In 1946, National City Lines (NCL), a General Motors holding company , acquired 64% of Key System stock; during
3393-482: The 1906 earthquake, is a small independent city surrounded by the city of Oakland. Oakland has a warm-summer Mediterranean climate ( Köppen Csb ) with an average of 260 sunny days per year. In general, the city features warm, dry summers, and cool, wet winters. Based on data gathered by the National Oceanic and Atmospheric Administration , Oakland is ranked No. 1 in climate among U.S. cities. Oakland's climate
3480-427: The 1920s; they reflect the architectural styles of the time. Russell Clifford Durant established Durant Field at 82nd Avenue and East 14th Street in 1916. The first transcontinental airmail flight finished its journey at Durant Field on August 9, 1920, flown by Army Capt. Eddie Rickenbacker and Navy Lt. Bert Acosta . Durant Field was often called Oakland Airport, though the current Oakland International Airport
3567-477: The 1950s California Supreme Court lawsuit Vallerga v. Dept. Alcoholic Bev. Control, when the bar challenged a state law for the right to serve gay patrons and won in 1959. In 1960, Kaiser Corporation opened its new headquarters; it was the largest skyscraper in Oakland, as well as "the largest office tower west of Chicago " up to that time. In the postwar period, suburban development increased around Oakland, and wealthier residents moved to new housing . Despite
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3654-523: The 20th century with its port, shipyards , and manufacturing industry. In the 21st century, between 2019 and 2023, after the city and county refused requests for hundreds of millions of dollars in benefits to the privately owned teams, Oakland lost three teams of the major North American sports leagues within a span of five years. The earliest known inhabitants of the area were the Huchiun natives, who lived there for thousands of years. The Huchiun belonged to
3741-728: The Arts Laney College Lincoln University Merritt College Mills College Samuel Merritt University Patten University Primary and secondary Oakland USD Castlemont High Coliseum College Prep Academy Fremont High McClymonds High MetWest High Oakland High Oakland Technical High Skyline High American Indian Model Schools High School The Crucible Bishop O'Dowd High School The College Preparatory School Head-Royce School Oakland School for
3828-2287: The Arts St. Elizabeth High School Government Mayors City Hall City Council Fire Department Police Department Port of Oakland History ( Timeline ) Oakland Railroad Company Oakland Army Base Key System Naval Supply Depot Black Panther Party 1989 Loma Prieta earthquake Firestorm of 1991 Oscar Grant shooting Shootings of police officers Riders scandal Your Black Muslim Bakery Occupy Oakland Oakland Tribune 2012 Oikos University shooting Ghost Ship warehouse fire Sports Oakland Ballers Oakland Roots SC Oakland Spiders Former California Golden Seals Golden State Warriors Oakland Athletics Oakland Raiders Transportation San Francisco–Oakland Bay Bridge SR 24 Caldecott Tunnel Posey and Webster Street Tubes MacArthur Maze Interstate 580 Interstate 880 Cypress Street Viaduct Interstate 980 Warren Freeway International Boulevard Oakland – Jack London Square station Oakland International Airport AC Transit Eastmont Transit Center BART stations 12th Street Oakland City Center 19th Street Oakland (Uptown Transit Center) Coliseum Lake Merritt MacArthur OAK Rockridge West Oakland Other Designated Landmarks Neighborhoods Notable people Tallest buildings Children's Hospital Mountain View Cemetery Lake Merritt Temescal Creek Sausal Creek Crime Related Alameda County San Francisco Bay Area California United States [REDACTED] Category Authority control databases : Geographic [REDACTED] Structurae Retrieved from " https://en.wikipedia.org/w/index.php?title=Clorox_Building&oldid=1242383619 " Categories : Headquarters in
3915-581: The Deep South: Alabama, Arkansas, Georgia, Louisiana, Mississippi, South Carolina, and Texas, as well as Missouri and Tennessee. Henry J. Kaiser 's representatives recruited sharecroppers and tenant farmers from rural areas to work in his shipyards. African Americans were part of the Great Migration by which five million persons left the South, mostly for the West, from 1940 to 1970. White migrants from
4002-489: The East Bay area to Luis María Peralta for his Rancho San Antonio . The grant was confirmed by the successor Mexican republic upon its independence from Spain. Upon his death in 1842, Peralta divided his land among his four sons. Most of Oakland was within the shares given to Antonio Maria and Vicente. The portion of the parcel that is now Oakland was called Encinar (misrendered at an early date and carried forward as "encinal") – Spanish for " oak grove " – due to
4089-502: The Equator, one latitudinal second measures 30.715 m , one latitudinal minute is 1843 m and one latitudinal degree is 110.6 km. The circles of longitude, meridians, meet at the geographical poles, with the west–east width of a second naturally decreasing as latitude increases. On the Equator at sea level, one longitudinal second measures 30.92 m, a longitudinal minute is 1855 m and
4176-760: The Fruitvale District, and included the Josiah Lusk Canning Company, the Oakland Preserving Company (which started the Del Monte brand), and the California Packing Company. President Franklin D. Roosevelt called on defense industries with government contracts to integrate their workforces and provide opportunities for all Americans. Tens of thousands of laborers came from around the country, especially poor whites and blacks from
4263-431: The Oakland ports requiring the authorities at the port to inspect the arriving vessels for the presence of infected rats. Quarantine authorities at these ports inspected over a thousand vessels per year for plague and yellow fever. By 1908, over 5,000 people were detained in quarantine. Hunters were sent to poison the affected areas in Oakland and shoot the squirrels, but the eradication work was limited in its range because
4350-551: The State Board of Health and the United States Public Health Service were only allotted about $ 60,000 a year to eradicate the disease. During this period Oakland did not have sufficient health facilities, so some of the infected patients were treated at home. The State Board of Health along with Oakland also advised physicians to promptly report any cases of infected patients. Yet, in 1919 it still resulted in
4437-710: The United States General information Type Commercial offices Architectural style Modernism Location 1221 Broadway Oakland, California Coordinates 37°48′12″N 122°16′21″W / 37.8034°N 122.2724°W / 37.8034; -122.2724 Completed 1976 Height Roof 100.6 m (330 ft) Technical details Floor count 24 Design and construction Architect(s) Cesar Pelli Architecture firm Gruen Associates Main contractor Turner Construction References The Clorox Building
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#17328595133524524-627: The United States Skyscraper office buildings in Oakland, California César Pelli buildings Office buildings completed in 1976 1976 establishments in California Clorox brands Hidden categories: Pages using gadget WikiMiniAtlas CS1 maint: unfit URL Articles with short description Short description with empty Wikidata description Coordinates on Wikidata Geographic coordinate system A geographic coordinate system ( GCS )
4611-555: The area defined as the Central Business District in Oakland's 1998 General Plan. Brown's plan and other redevelopment projects were controversial due to potential rent increases and gentrification , which would displace lower-income residents from downtown Oakland into outlying neighborhoods and cities. Due to allegations of misconduct by the Oakland Police Department , the City of Oakland has paid claims for
4698-411: The automobile industry went through restructuring, many jobs were lost. In addition, labor unrest increased as workers struggled to protect their livelihoods. Oakland was the center of a general strike during the first week of December 1946, one of six cities across the country that had such a strike after World War II. The Mary's First and Last Chance in Oakland was a lesbian bar, once the focus of
4785-797: The bay. On November 27, 1908, Homer took a ferry across the bay in a driving rainstorm and met for lunch with Frank and twenty three other businessmen at the Hotel Metropole at 13th and Jefferson. This gathering became the first meeting of the Tri-City Rotary Club, renamed in 1911 The Rotary Club of Oakland, the third Rotary Club in the world. This group established the tradition of weekly meetings, something most clubs worldwide follow today. In 1917, General Motors opened an automobile factory in East Oakland called Oakland Assembly . It produced Chevrolet cars and then GMC trucks until 1963, when it
4872-483: The city's total area is 78.0 square miles (202 km ), including 55.8 square miles (145 km ) of land and 22.2 square miles (57 km ) (28.48 percent) of water. Oakland's highest point is near Grizzly Peak Blvd, east of Berkeley, just over 1,760 feet (540 m) above sea level at about 37°52′43″N 122°13′27″W / 37.8786°N 122.2241°W / 37.8786; -122.2241 . Oakland has 19 miles (31 km) of shoreline, but Radio Beach
4959-412: The course of the 1890s. The various streetcar companies operating in Oakland were acquired by Francis "Borax" Smith and consolidated into what eventually became known as the Key System , the predecessor of today's publicly owned AC Transit . Oakland was one of the worst affected cities in California that was impacted by the San Francisco plague of 1900–1904 . Quarantine measures were set in place at
5046-569: The east (up to 30 inches [760 mm]), with nearly all precipitation falling between November and April. Overnight lows are mild. Oakland seldom experiences warm nights with the warmest recorded night of 72 °F (22 °C) in September 1971 and an average of 64 °F (18 °C) for the annual warmest low. The coldest day of the year averages a mild 50 °F (10 °C) and has never been recorded below 36 °F (2 °C). The National Weather Service today has two official weather stations in Oakland: Oakland International Airport and
5133-414: The far western Aleutian Islands . The combination of these two components specifies the position of any location on the surface of Earth, without consideration of altitude or depth. The visual grid on a map formed by lines of latitude and longitude is known as a graticule . The origin/zero point of this system is located in the Gulf of Guinea about 625 km (390 mi) south of Tema , Ghana ,
5220-539: The large oak forest that covered the area, which eventually led to the city's name. According to Stanford University historian Albert Camarillo, the Peralta family struggled to keep their land after the incorporation of California into the United States after the Mexican–American War . Camarillo claims the family was the victim of targeted racial violence . He writes in Chicanos in California , "They lost everything when squatters cut down their fruit trees, killed their cattle, destroyed their buildings, and even fenced off
5307-408: The late 18th century, it became part of a large rancho grant in the colony of New Spain , and was known for its plentiful oak tree stands. Its land served as a resource when its hillside oak and redwood timber were logged to build San Francisco . The fertile flatland soils helped it become a prolific agricultural region. In the 1850s, what became the first campus of the University of California
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#17328595133525394-415: The length in meters of a degree of longitude can be calculated as (Those coefficients can be improved, but as they stand the distance they give is correct within a centimeter.) The formulae both return units of meters per degree. An alternative method to estimate the length of a longitudinal degree at latitude ϕ {\displaystyle \phi } is to assume a spherical Earth (to get
5481-421: The major increases in the number and proportion of African Americans in the city, in 1966 only 16 of the city's 661 police officers were black. Tensions between the black community and the largely white police force were high, as expectations during the civil rights era increased to gain social justice and equality before the law. Police abuse of blacks was common. Students Huey Newton and Bobby Seale founded
5568-452: The mid-1990s, Oakland's economy began to recover as it transitioned to new types of jobs. In addition, the city participated in large development and urban renewal projects, concentrated especially in the downtown area, at the Port of Oakland , and at the Oakland International Airport . After his 1999 inauguration, Oakland Mayor Jerry Brown continued his predecessor Elihu Harris' public policy of supporting downtown housing development in
5655-414: The motion, while France and Brazil abstained. France adopted Greenwich Mean Time in place of local determinations by the Paris Observatory in 1911. The latitude ϕ of a point on Earth's surface is the angle between the equatorial plane and the straight line that passes through that point and through (or close to) the center of the Earth. Lines joining points of the same latitude trace circles on
5742-509: The nearby San Andreas Fault caused severe earth movement in the San Francisco Bay Area in 1906 and 1989. San Andreas quakes induces creep (movement occurring on earthquake faults) in the Hayward fault, which runs directly through Oakland, Berkeley, San Jose and other Bay Area cities. Oakland has more than 50 distinct neighborhoods. The city's greater divisions include downtown Oakland and its greater Central Business District , Lake Merritt , East Oakland , North Oakland , West Oakland , and
5829-403: The nearby town of Alameda being made an island. In 1906, the city's population doubled with refugees made homeless after the 1906 San Francisco earthquake and fire. In 1908, the lawyer, former miner, and newspaper owner Homer Wood (1880–1976) suggested to his friend Frank Bilger of Blake and Bilger Rock Quarry and Paving Company that he organize a gathering to establish a Rotary Club east of
5916-416: The needy. As in many other American cities during the 1980s, crack cocaine became a serious problem in Oakland. Drug dealing in general, and the dealing of crack cocaine in particular, resulted in elevated rates of violent crime, causing Oakland to consistently be listed as one of America's most crime-ridden cities. In 1980, Oakland's Black population reached its 20th-century peak at approximately 47% of
6003-444: The next several years NCL engaged in the conspiratorial dissolution of Oakland's electric streetcar system. The city's expensive electric streetcar fleet was converted to cheaper diesel buses. The state Legislature created the Alameda and Contra Costa Transit District in 1955, which operates today as AC Transit , the third-largest bus-only transit system in the nation. After the war, as Oakland's shipbuilding industry declined and
6090-424: The one used on published maps OSGB36 by approximately 112 m. The military system ED50 , used by NATO , differs from about 120 m to 180 m. Points on the Earth's surface move relative to each other due to continental plate motion, subsidence, and diurnal Earth tidal movement caused by the Moon and the Sun. This daily movement can be as much as a meter. Continental movement can be up to 10 cm
6177-458: The original on March 7, 2016. {{ cite web }} : CS1 maint: unfit URL ( link ) ^ "Clorox Building" . SkyscraperPage . ^ Clorox Building at Structurae External links [ edit ] The Clorox Company v t e Oakland, California Economy Oakland Seaport List of companies Education Higher California College of
6264-454: The overall city population. The 6.9 M w Loma Prieta earthquake occurred on October 17, 1989. The rupture was related to the San Andreas fault system and affected the entire San Francisco Bay Area with a maximum Mercalli intensity of IX ( Violent ). Many structures in Oakland were badly damaged including the double-decker portion of Interstate 880 that collapsed. The eastern span of
6351-520: The proper Eastern and Western Hemispheres , although maps often divide these hemispheres further west in order to keep the Old World on a single side. The antipodal meridian of Greenwich is both 180°W and 180°E. This is not to be conflated with the International Date Line , which diverges from it in several places for political and convenience reasons, including between far eastern Russia and
6438-516: The record low temperature was 24 °F (−4 °C) on January 23, 1949. Dry, warm offshore "Diablo" winds (similar to the Santa Ana winds of Southern California) sometimes occur, especially in fall, and raise the fire danger. In 1991, such an episode allowed the catastrophic Oakland Hills fire to spread and consume many homes. Oakland, like much of Northern California, is susceptible to winter rainstorms and Atmospheric rivers . The wettest "rain year"
6525-603: The region. The city inspected warehouses and live/work spaces after a fire broke out in the Ghost Ship warehouse , killing 36 people in 2016. Oakland is the second U.S. city, after Denver , to decriminalize psilocybin mushrooms . In June 2019, the City Council passed the resolution in a unanimous vote ending the investigation and imposition of criminal penalties for use and possession of natural entheogens . In November 2019, two homeless mothers and their children moved into
6612-517: The roads leading to the rancho. Especially insidious were the actions of attorney Horace Carpentier , who tricked Vicente Peralta into signing a 'lease' which turned out to be a mortgage against the 19,000-acre rancho. The lands became Carpentier's when Peralta refused to repay the loan he believed was fraudulently incurred. The Peraltas had no choice but to abandon the homesite they had occupied for two generations." In 1851, three men— Horace Carpentier , Edson Adams, and Andrew Moon—began developing what
6699-430: The same datum will obtain the same location measurement for the same physical location. However, two different datums will usually yield different location measurements for the same physical location, which may appear to differ by as much as several hundred meters; this not because the location has moved, but because the reference system used to measure it has shifted. Because any spatial reference system or map projection
6786-646: The same prime meridian but measured latitude from the Equator instead. After their work was translated into Arabic in the 9th century, Al-Khwārizmī 's Book of the Description of the Earth corrected Marinus' and Ptolemy's errors regarding the length of the Mediterranean Sea , causing medieval Arabic cartography to use a prime meridian around 10° east of Ptolemy's line. Mathematical cartography resumed in Europe following Maximus Planudes ' recovery of Ptolemy's text
6873-486: The shape of the earth (usually a reference ellipsoid for a horizontal datum, and a more precise geoid for a vertical datum) to the earth. Traditionally, this binding was created by a network of control points , surveyed locations at which monuments are installed, and were only accurate for a region of the surface of the Earth. Some newer datums are bound to the center of mass of the Earth. This combination of mathematical model and physical binding mean that anyone using
6960-439: The spread of plague. At the time of incorporation in 1852, Oakland had consisted of the territory that lay south of today's major intersection of San Pablo Avenue, Broadway, and Fourteenth Street. The city gradually annexed farmlands and settlements to the east and the north. Oakland's rise to industrial prominence, and its subsequent need for a seaport, led to the digging of a shipping and tidal channel in 1902. This resulted in
7047-458: The surface of Earth called parallels , as they are parallel to the Equator and to each other. The North Pole is 90° N; the South Pole is 90° S. The 0° parallel of latitude is designated the Equator , the fundamental plane of all geographic coordinate systems. The Equator divides the globe into Northern and Southern Hemispheres . The longitude λ of a point on Earth's surface
7134-445: The width per minute and second, divide by 60 and 3600, respectively): where Earth's average meridional radius M r {\displaystyle \textstyle {M_{r}}\,\!} is 6,367,449 m . Since the Earth is an oblate spheroid , not spherical, that result can be off by several tenths of a percent; a better approximation of a longitudinal degree at latitude ϕ {\displaystyle \phi }
7221-440: The women. The incident received nationwide coverage. The company that owns the house later said they would sell it to a nonprofit affordable housing group. As of 2019, Oakland's per-capita homeless rate was higher than San Francisco and Berkeley. Between 2014 and 2020, Oakland strengthened its protections for tenants in order to reduce the displacement of its long-time residents. Between January 2020 and March 2022, Oakland suffered
7308-556: Was founded in Oakland, and Oakland was selected as the western terminal of the Transcontinental Railroad in 1869. The following year, Oakland's Lake Merritt became the United States' first officially designated wildlife refuge, now a National Historic Landmark . Following the catastrophic 1906 San Francisco earthquake , many San Francisco citizens moved to Oakland, enlarging the population, increasing its housing stock, and improving its infrastructure. It continued to grow in
7395-510: Was from July 1997 to June 1998 with 47.76 inches (1,213.1 mm) and the driest from July 2020 to June 2021 with 8.03 inches (204.0 mm). The most rainfall in one month was 15.35 inches (390 mm) in January 1911. The most rainfall in 24 hours was 4.75 inches (121 mm) on December 31, 2022. Rainfall near the bayfront is only 23 inches (580 mm), but is higher in the Oakland Hills to
7482-461: Was moved to Fremont in southern Alameda County. Also in 1916, the Fageol Motor Company chose East Oakland for their first factory, manufacturing farming tractors from 1918 to 1923. By 1920, Oakland was the home of numerous manufacturing industries, including metals , canneries, bakeries, internal combustion engines , automobiles, and shipbuilding. By 1929, when Chrysler expanded with
7569-462: Was soon established four miles (6.4 km) to the southwest. During World War II, the East Bay Area was home to many war-related industries. Oakland's Moore Dry Dock Company expanded its shipbuilding capabilities and built over 100 ships. Valued at $ 100 million in 1943, Oakland's canning industry was its second-most-valuable war contribution after shipbuilding. The largest canneries were in
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