The Los Angeles metropolitan area , also known as Metropolitan Los Angeles or Southland , is the 18th largest metropolitan area in the world and the second- largest metropolitan area in the United States. It is fully located in the southern US state of California.
The metropolitan area is defined by the Office of Management and Budget as Los Angeles-Long Beach-Anaheim, Metropolitan Area CA (MSA), comprising Los Angeles and Orange districts, a metropolitan statistical area used for statistical purposes by US Census Bureau and other institutions. The land area is 4,850 sq miles (12,562 km 2 ) and the 2016 population estimate is 13,310,447 (an increase of 3.75 percent from the official 2010 US Population Census of 12,828,837).
Los Angeles and the Orange districts are California's most densely populated first and third districts, and Los Angeles, with 9,819,000 people in 2010, is the most populous region in the United States. The Los Angeles metropolitan area is the most populous metropolitan area in the western United States and the largest region in the United States. The metro area is essentially the Los Angeles-Long Beach-Anaheim corridor, an urban area defined by the Census Bureau with a population of 12,150,996 at the 2010 Census.
The Census Bureau also defines a wider commercial area based on travel patterns, Los Angeles-Long Beach, CA Statistics Complex Area (CSA), better known as the Greater Los Angeles Area, with an estimated population of 18,788,800 in 2017. This includes three additional districts of Ventura, Riverside, and San Bernardino. The total land area of ​​the combined statistical area is 33,955 square miles (87,945 km²).
Video Los Angeles metropolitan area
Definition
A collection of counties and counties comprising the Los Angeles Metropolitan Area are listed below with the Census Bureau estimating their population in the US.
Los Angeles-Long Beach-Anaheim, CA Metropolitan Statistical Area (13,353,907)
- Los Angeles-Long Beach-Glendale, CA Metropolitan Division (10,163,507)
- Los Angeles County (10163.507)
- Anaheim-Santa Ana-Irvine, CA Metropolitan Division (3,190,400)
- Orange County (3,190,400)
Division
Major divisions of Los Angeles-Long Beach-Anaheim, CA Metropolitan Statistical Area
- East : East Bank, San Gabriel Valley, Pomona Valley
- West : West Bank, Beach City
- South : South Gulf, Palos Verdes Peninsula, South Los Angeles, Gateway City, North Orange County, South Orange County
- North : San Fernando Valley, part of Antelope Valley and Santa Clarita Valley
- Central : Los Angeles City Center, Mid-Wilshire
Statistical Area
In addition to Los Angeles-Long Beach-Anaheim, CA The Metropolitan Statistical Area, the following Metropolitan Statistical Area is also included in Los Angeles-Long Beach, CA Combined Area Statistics (pop total 18,788,800 ):
- Oxnard-Thousand Oaks-Ventura, CA Metropolitan Statistical Area (854.223)
- Ventura County (854,223)
- Riverside-San Bernardino-Ontario, CA Metropolitan Statistical Area (4,580,670)
- Riverside County, California (2,423,266)
- San Bernardino County, California (2,157,404)
Urban areas in this region
The Los Angeles-Long Beach , CA CSA is a multicore metropolitan area containing several urban areas.
Urban area
The combined statistical area is a multicore metropolitan area containing several urban areas.
Maps Los Angeles metropolitan area
City
Main city
The following is a list of cities with populations in excess of 50,000 in the Los Angeles metropolitan area with the 2011 US Census Bureau estimate of their populations. Cities in bold are considered the main cities of the metropolitan area by the Census Bureau, which represent significant work centers:
Economy
The economy of the Los Angeles metropolitan area is well known and heavily reliant on the entertainment industry, with a special focus on television, movies, interactive games and music recording - the Hollywood district of Los Angeles and the surrounding area known as the "movie capital of the United States" due to the commercial and historical interests of the area very important for the American film industry. Other key sectors include international shipments/trade - especially in the nearby Port of Los Angeles and adjacent Long Beach Port, together comprising the busiest ports in the United States - as well as aerospace, technology, petroleum, fashion and apparel, and tourism.
The city of Los Angeles is home to five Fortune 500 companies: energy company Occidental Petroleum, Health Net healthcare provider, Reliance Steel & amp; Aluminum, AECOM engineering company, and real estate group CB Richard Ellis. Other companies headquartered in Los Angeles include American Apparel, City National Bank, 20th Century Fox, Latham & amp; Watkins, Univision, Metro Interactive, LLC, Premier America, Gibson, Dunn & amp; Crutcher, DeviantArt, Guess ?, O'Melveny & amp; Myers; Paul, Hastings, Janofsky & amp; Walker, Tokyopop, The Jim Henson Company, Paramount Pictures, Sunkist Growers, Incorporated, Tutor Perini, Fox Sports Net, Capital Group, and The Coffee Bean & amp; Tea leaves. US Air passenger and cargo operations headquarters are located in two separate offices in Los Angeles. The entertainment and media giant The Walt Disney Company is headquartered in nearby Burbank.
The Los Angeles-Orange County metro area alone has an economy of about $ 866 billion (estimated for 2014), or total economic output or income of 250 million Indonesians; (California coastal land value) and the rent they command contributed substantially to GDP revenues, at the expense of affordability and thus increasing GDP in the future. This is evident when comparing beaches with the Inland Empire, a large component of a five-county combined statistical area (CSA) that still provides a much smaller portion for regional gross metropolitan products but still dominates in the industry. Southland CSA is the third largest economic center in the world, after the Greater Tokyo Area and New York-Newark-Bridgeport CSA.
The Port of Los Angeles and Long Beach Harbor together comprise the world's fifth busiest port, becoming a center for import and export for trade in the western Pacific Coast as well as being one of the most important ports in the western hemisphere. Port of Los Angeles occupies 7,500 hectares (3,035 acres) of land and water along 43 miles (69 km) of water and is the busiest container port in the United States. The harbor is the busiest port in the United States by container volume, the world's 8th busiest container port. The top trading partners in 2004 were: China ($ 68.8 billion), Japan ($ 24.1 billion), Taiwan ($ 10.8 billion), Thailand ($ 6.7 billion), & South Korea ($ 5.6 billion)
Port of Long Beach is the second busiest container port in the United States. It is adjacent to the separate Port of Los Angeles. Acting as the main gateway of US-Asian trade, the port occupies 3,200 hectares (1,295 hectares) of land with 25 miles (40 km) of water in the city of Long Beach, California. The port has about $ 100 billion in trade and provides more than 316,000 jobs in Southern California. Port of Long Beach imports and exports goods worth over $ 100 billion annually. The ports provide the state with jobs, generate tax revenues, and support the retail and manufacturing business.
Long Beach-Los Angeles-Anaheim
The Metropolitan metropolitan area of ​​Los Angeles-Anaheim is located in southern California. By 2014, the metropolitan population reaches 13,262,220 and ranks second in the United States - an increase of 1 percent from 2013. [1] By 2014, Los Angeles-Long Beach-Anaheim has a personal income per capita (PCPI) of $ 50,751 and ranking 29 in the country. [2]
In 2014, Los Angeles-Long Beach-Anaheim ranked third among the largest exporters in the United States (shipments totaling $ 75.5 billion). Metro accounts for 40.8 percent of California exports, mainly exporting computers and electronic products ($ 18.6 billion); transportation equipment ($ 15.3 billion) and chemicals ($ 5.6 billion) [3]. Nevertheless, the larger Los Angeles metro has greatly benefited from such free trade agreements that larger Los Angeles exports $ 25.1 billion to the NAFTA region and $ 776 million in goods to the CAFTA region.
Overall, in 2014 the average wage and salary reached $ 57,509 (in 2010, the average wage and salary reached $ 54, 729). [5] Meanwhile, the average household income in 2014 was $ 56, 935, an increase of 1.4 percent from 2013 (average average household income was $ 56, 164). [6]
Table 2 (see below) is a graph of the four highest sectors in the metro area, with health care and social assistance reaching 15.54%
Table 3 (see below) shows locations for jobs in Los Angeles-Long Beach-Anaheim MSA. The top three sectors include information; art, entertainment and recreation; and real estate and rentals and rentals.
Table 3. Data obtained from the Bureau of Labor Statistics. 2014. The data measures the Location Quotient for sectors in the MSA area. Total AS is the base area. http://data.bls.gov/location_quotient/ControllerServlet
[1] http://proximityone.com/metros/2013/cbsa31080.htm#6.4
[2] Los Angeles- Long Beach- Anaheim
[3] Los Angeles- Long Beach- Anaheim
[4] Los Angeles- Long Beach- Anaheim
[5] http://proximityone.com/metros/2013/cbsa31080.htm#6 Current dollar dollar items (not adjusted for inflation). Item per capita in dollars; other dollar items in thousands of dollars. - See more at: http://proximityone.com/metros/2013/cbsa31080.htm#6
[6] http://www.meyersresearchllc.com/wp-content/uploads/2014/08/Zonda_Market_Report_CA_Los-Angeles-Long-Beach-Anaheim.pdf
Utilities and infrastructure
There are nine power companies in the Los Angeles metropolitan area. Southern California Edison serves most of the Los Angeles metropolitan areas except the city limits of Los Angeles, Burbank, Glendale, Pasadena, Azusa, Vernon, Anaheim, and southern Orange County. Southern Orange County is part of the Los Angeles metropolitan area and is serviced by San Diego Gas & Electricity. There are three providers of natural gas in the metropolitan area. Southern California Gas Company serves most of the Los Angeles metropolitan areas except Long Beach and Southern Orange County.
The Los Angeles metropolitan area is serviced by the following utility companies.
Electricity
- Southern California Edison (largest electric utility in the Los Angeles metropolitan area)
- Los Angeles Water and Electric Department (the second largest electric utility in the Los Angeles metropolitan area and largest within Los Angeles city limits)
- Burbank Water and Power
- Water and Glendale Power
- Pasadena Water and Power
- Water and Anaheim Power
- Azusa Light & amp; Power
- Vernon Light & amp; Power
- San Diego Gas & amp; Electricity (serving Southern Orange County, which is part of the Los Angeles metropolitan area)
Natural gas
- Southern California Gas Company
- City of Long Beach Gas Company
- San Diego Gas & amp; Electricity (serving Southern Orange County, which is part of the Los Angeles metropolitan area)
Cable TV
- Communication Charter, known as the Charter Spectrum (serving most of the Los Angeles metropolitan area)
- Cox Communications (serving part of Orange County and Palos Verdes peninsula)
Phone
- AT & amp; T
- Frontier Communications
Demographics
According to the 2009 American Community Survey, the Metropolitan Area of ​​Los Angeles has a population of 12,874,797, of which 6,402,498 (49.7% of the population) are males and 6,472,299 (50.3% of the population) are women.
The age composition is as follows:
- Under 5 years: 7.3%
- 5 to 9 years: 6.6%
- 10 to 14 years: 7.0%
- 15 to 19 years old: 7.2%
- 20 to 24 years old: 7.0%
- 25 to 34 years: 15.5%
- 35 to 44 years: 14.8%
- 45 to 54 years: 13.9%
- 55 to 59 years old: 5.5%
- 60 to 64 years old: 4.4%
- 65 to 74 years old: 5.6%
- 75 to 84 years: 3.6%
- 85 years or more: 1.6%
Average age: 34.6 years
According to the survey, the Los Angeles Metropolitan Area is 54.6% White (32.2% non-Hispanic White only), 7.0% Black or African American, 0.5% American Indian and Alaskan Native, 13.9% Asian, 0.3% Original Hawaiian and Pacific Islander Other islands, 20.6% of some other races, and 3.2% of Two races or more. Hispanic or Latin of any race comprises 44.8% of the population.
White people are racial majority; whites of Hispanic and non-Hispanic origin form 54.6% of the population. Non-Hispanic white people account for one-third (32.2%) of the population. Approximately 7,028,533 white people, of which 4,150,426 are non-Hispanic whites.
The top five European countries are as follows:
- Germany: 6.9% (883.124)
- Ireland: 5.3% (786,541)
- English: 4,8% (619,364)
- Italy: 3.3% (425,056)
- French: 1.6% (204,635)
Blacks are a sizeable minority; Hispanic and non-Hispanic blacks make up 7.0% of the population. Non-Hispanic blacks make up 6.7% of the population. Approximately 895,931 people were black, of which 864,737 were non-Hispanic blacks. In the survey, 136,024 people identified their ancestors as "Sub-Saharan Africa", equal to 1.1% of the population.
American Indians are a small minority; American Indians from both Hispanics and non-Hispanics make up 0.5% of the population. American Indians of non-Hispanic origin make up 0.2% of the population. About 68,822 Indian Americans, 26,134 are non-Hispanic American Indians. Around 3,872 Cherokee, 1,679 Navajo, 1,000 Chippewa, and 965 Sioux are in the area.
Asians are a big minority; Asians of both Hispanics and non-Hispanics make up 13.9% of the population. Asians of non-Hispanic origin are composed of 13.7% of the population. Around 1,790,140 inhabitants of Asia, where 1,770,225 are non-Hispanic Asians.
The six Asian ancestors mentioned are as follows:
- Filipino: 3.5% (454,086)
- Chinese: 3.0% (390,192)
- Korean: 2,1% (274,288)
- Vietnamese: 2.0% (254,353)
- Japan: 1.0% (134.466)
- Indian: 0.9% (116,090)
"Asia Others" is an additional category that includes people who do not identify themselves as one of the above groups. This group includes people of Cambodian, Laotian, Pakistani, Burmese, Taiwanese and Thai descent, among others. About 166,665 people are in this category, and they constitute 1.3% of the population.
The native tribes of Hawaii and the Pacific Islands are a very small minority; The native Hawaiian and other Pacific Islands make up 0.3% of the population. Around 37,719 residents are natives of Hawaii or other Pacific Island ancestors, of which 33,982 are from non-Hispanic.
The three Pacific Islands ancestors mentioned are as follows:
- Samoan: 0.1% (13,519)
- Native Hawaiian: 0,1% (6,855)
- Guamanian or Chamorro: & lt; 0.1% (4.581)
"Pacific Island Other" is an additional category that includes people who do not identify themselves as one of the above groups. This group includes Fijians and Tongan descendants, among others. About 12,764 people are in this category, and they account for 0.1% of the population.
Multiracial individuals are a considerable minority; multiracs with Hispanic and non-Hispanic origins make up 3.2% of the population, of which 1.8% are non-Hispanic. About 405,568 multiracists, of which 228,238 are from non-Hispanic.
The four multiracial ancestors mentioned are as follows:
- White and Asian: 0.8% (107585)
- White and American Indians: 0.4% (55,960)
- White and Black or African States: 0.4% (53,476)
- Black or African American and American Indian: 0.1% (12,661)
Hispanic or Latino, by far, the largest minority group; Hispanic or Latin make up 44.8% of the population. They do not form a majority, but they form a plurality, in excess of the number of other individual racial groups. Approximately 5,763,181 Hispanic or Latino populations.
The three Hispanic or Latin forebears mentioned are as follows:
- Mexico: 35.5% (4,570,776)
- Puerto Rican: 0.4% (48,780)
- Cuban: 0.4% (47,056)
"Other Hispanic or Latino" is an additional category that includes people who do not identify themselves as one of the above groups. This group includes the people of Costa Rica, Salvador, and Colombian descent, among others. About 1,096,569 people are in this category, and they account for 8.5% of the population.
Source 1:
Source 2:
Medical Services
Los Angeles and Orange districts have separate medical departments but both work together. Government and Private hospitals open normally from Monday to Friday, excluding City Holidays but some super specialist hospitals open 24X7. [1]
Tourism
Because the position of L.A. as the Entertainment Capital of the World, there are many tourist attractions in the area. As a result, L.A. metropolitan is one of the most visited areas in the world. Here are some of the main attractions:
Amusement park
Beach
Shopping center
Moving image studio
Water park
Zoos and aquariums
Nightlife
Museum
See also, Los Angeles City Museum
Presidential Museum
Convention Center
State & amp; beach
National parks, monuments, & amp; shelter
- Channel Island National Park
- Hopper Mountain National Wildlife Refuge
- National History Trail of Juan Bautista de Anza
- Spanish National Historical Trail
- Santa Monica Mountains National Recreation Area
- Seal Beach National Wildlife Refuge
More
Transportation
Commercial airport
The main airport serving LA metro area is Los Angeles International Airport (LAX), one of the busiest airports in the United States. LAX is located southwest of Los Angeles, 16 miles (26 km) from Downtown Los Angeles. LAX is the only airport that serves as a hub for all three U.S. airlines. - America, Delta, and United.
In addition to LAX, other airports, including Bob Hope Airport, John Wayne Airport, Long Beach Airport, and LA/Ontario International Airport, also serve the region.
Interstate
- Golden State Freeway/Santa Ana Freeway/San Diego Freeway/Montgomery Freeway (Interstate 5)
- Santa Monica Freeway/Rosa Parks Freeway/Golden State Freeway (Interstate 10)
- Veteran's Memorial Highway (Interstate 15)
- Glenn Anderson Freeway/Century Freeway (Interstate 105)
- Port Toll Road (Interstate 110)
- Foothill Freeway (Interstate 210)
- San Diego Freeway (Interstate 405)
- San Gabriel Freeway (Interstate 605)
- Long Beach Freeway (Interstate 710)
AS. highway
- Will Rogers Highway (US Route 66)
- Pacific Highway (Route 99 AS)
- Santa Ana Freeway/Hollywood Freeway (Route 101 US)
California state highway
Los Angeles County Metro
Metro Rail is a Los Angeles County mass transit rail system. It is run by the Metropolitan Transport Authority of Los Angeles County and its system runs five railroads throughout Los Angeles County. Metro Rail currently operates four light rail lines and two fast transit subway lines, totaling 87.7 km (141.1 km) of railway, 101 stations and more than 360,000 daily boarding working days as of December 2012.
- Blue line - light rail
- Red line - subway
- Line Green - light rail
- Gold Line - light rail
- Purple line - subway
- Expo Line - light rail
The light rail system system is the second busiest LRT system in the United States, after Boston, with the number of riders, with an average of 200,300 boarding averages during the third quarter of 2012.
Since the city area close to the main tunnel fault area was built to withstand earthquakes up to 7.5. Both subway lines use a third powered rail to provide power to the rail, making it unusable for the other three. The Blue and Gold lines mostly run in the classroom, with several roads, elevations, and underground stretches in the more populated areas of Los Angeles. The Green line is completely separate, running at median I-105 and then turning south along an elevated route.
The railway runs regularly at 5 am and midnight, seven days a week. Service is limited to certain segments provided after midnight and before 5 am. No train service between 2 and 3:30 am. The exact time varies from route to route; see individual route articles for more information.
Regional and commuter rail
There are two heavy rail transportation providers in the region, Amtrak and Metrolink. Amtrak provides services to San Diego, Santa Barbara, San Luis Obispo, and points in between Pacific Surfliner. It also provides long-haul routes, including Coastal Starlight that goes to the San Francisco Bay Area, Portland, Oregon, and Seattle, Washington; Head of Southwest who goes to Flagstaff, Arizona, Albuquerque, New Mexico, Kansas City, Missouri, and Chicago; and Sunset Limited which provides limited services (three days a week) to Tucson, El Paso, Houston and New Orleans.
Metrolink provides services to many places in Southern California, including all the districts of the region. Metrolink operates to 55 stations on seven lanes in Southern California most (except Royal Kingdom-Orange County) that emanates from Los Angeles Union Station.
Los Angeles metropolitan code
Area code
- 213 - Los Angeles City Center, surrounded by 323 (October 1947)
- 310/424 - Santa Monica, Malibu, Palisades Pacific, Compton, Lynwood, Torrance, Beverly Hills, Catalina Island; southwest of Los Angeles County. (Apart from 213 on 2 November 1991; coated 424 on August 26, 2006)
- 323 - a ring around downtown Los Angeles, including the Hollywood neighborhood and Eagle Rock in Los Angeles; South Los Angeles; South Gate towns, Huntington Park, Vernon, Walnut Park, Florence, Bell, Bell Gardens, Cudahy, Montebello and East Los Angeles. (Apart from 213 on 13 June 1998)
- 562 - Long Beach, Downey, Whittier; Norwalk, Lakewood, Bellflower, Paramount, Cerritos, southeast of Los Angeles County, and a small part of the coastal area of ​​Orange County. (Apart from 310 on January 25, 1997)
- 626 - Pasadena, Monterey Park, Rowland Heights, Alhambra, and West Covina; San Gabriel Valley, and the eastern suburbs of Los Angeles. (Apart from 818 on June 14, 1997)
- 657/714 - Anaheim, Huntington Beach, Santa Ana, Orange, Garden Grove; Orange County north and west (Overlaid by 657 on September 23, 2008)
- 661 - Bakersfield, Santa Clarita, Palmdale; Northern Los Angeles County includes the Antelope Valley, and most of the Kern region, including the southern San Joaquin Valley. (Apart from 805 on 13 February 1999)
- 747/818 - the city of Burbank, Glendale, San Fernando; North Hollywood, Van Nuys, Panorama City, Sherman Oaks, and Northridge neighborhoods in Los Angeles; San Fernando Valley. (Apart from 213 on January 7, 1984)
- 909 - Pomona, Walnut, Diamond Bar, San Dimas, La Verne, Claremont, and Eastern Glendora. (East San Gabriel Valley)
- 949 - Irvine, Laguna Beach, Newport Beach, San Juan Capistrano; south and east of Orange County. (Apart from 714 on April 18, 1998)
ZIP code
The following is a list of ZIP codes for a specific area within a metropolitan area.
Sports
Sports team
Overall, the Los Angeles area has more national championships, all combined sports (colleges and professionals), than any other city in the United States, with more than four times as many championships as the entire state of Texas, and more than twice from New York City. It is the only American city to host the Olympics twice: once in 1932, and more recently in 1984. Los Angeles will also host the 2028 Summer Olympics, becoming the third city to host three Olympics, after London and Paris..
List of professional sports teams in the Los Angeles metropolitan area
- National Football League (NFL)
- Los Angeles Rams
- Los Angeles Charger
- National Basketball Association (NBA)
- Los Angeles Clippers
- Los Angeles Lakers
- Women's National Basketball Association (WNBA)
- Los Angeles Sparks
- Major League Baseball (MLB)
- Los Angeles Angels of Anaheim
- Los Angeles Dodgers
- National Hockey League (NHL)
- Los Angeles Kings
- Anaheim Ducks
- Major League Soccer (MLS)
- Los Angeles Galaxy
- Los Angeles Football Club (announced for 2018)
Professional places
Note # symbol means the place has held an Olympic event.
- Angel Stadium
- Auto Club Racing Arena
- Auto Club Racing Arena
- Dodger Stadium #
- Hollywood Park Racetrack (Off)
- Honda Center
- John C. Argue Swim Stadium #
- Long Beach Marine Stadium #
- Los Angeles Memorial Coliseum # (Temporary)
- Los Angeles Memorial Sports Arena (Not Active) #
- Rose Bowl #
- Santa Anita Park #
- Staples Center
- StubHub Center #
- Forum #
- VELO Sports Center
Media
The Los Angeles metropolitan area is home to the headquarters of several well-known media companies including: Los Angeles Times, Fox Broadcasting Company, Universal Studios, and The Walt Disney Company. Local television channels broadcasting to the Los Angeles market include KCBS-TV 2 (CBS), KNBC 4 (NBC), KTLA 5 (CW), KABC 7 (ABC), KCAL-TV 9 (Independent/CBS), KTTV 11 (FOX )), KCOP 13 (myNetworkTV), KPXN-TV 38/30 (Ion), and KLCS 41/58 (PBS). Radio stations serving the region include: KKJZ, KIIS, KNX (AM), and KSUR.
Geology
Most of the west coast of North America used to be part of the boundary of the large convergent cone between the Farallon Plate and the North American Plate from 165 to 555 million years ago. Here, the Farallon Plate sublimated under the North American Plate creates a volcano about 100 miles east of this limit that can still be seen today as Sierra Nevada which has a southern border about 30 miles east of Grapevine, California at Tejon Pass. The Farallon Plate is subjected to high temperature and pressure when it is subject to the North American Plate. This causes the formation of increased liquid plutons as they are less dense than the surrounding magma. As they rise, they cool off and some form a huge granite monolith. Only less than 1% of this pluton ever reaches the surface of a volcano or a ventilation pass. The 1% that makes all the way to the surface erupts in andesitic lava that will accumulate above any previous stream. This will create steep volcanoes with very high altitude. Most of the ejecta out of the volcano is gas. About 60% only carbon (C) and water vapor (H2O). About 30% are sulfur (S). Sulfur mixes with water vapor to form sulfuric acid which is famous for eating almost anything from plant to stone.
For 99% percent of plutons that do not reach the surface, they cool to form granite monoliths beneath this volcano. When subduction activity stopped about 55 million years ago, these volcanoes eroded due to their steep slopes. Because granite is classified as hard igneous rock, it is the only remaining volcanic chain from this subduction zone. This huge granite monolith can still be seen in Yosemite National Park as Half Dome and El Capitan about 300 miles from Los Angeles. Please refer to the Yosemite Geology History page to learn more about the local geology of the area.
When the subduction zone stopped about 55 million years ago, the Farallon Plate was split into two different plates that can still be observed today as the Juan de Fuca Plate and the Cocos Plate. Both are part of the same plate, but are found independently before this relationship is made. At the moment it breaks, the Pacific Plate has a common northwestern movement while the North American Plate has a common south east movement. This creates a new fault zone when the weak point gives way between these two plates. This is the beginning of the famous San Andreas Fault. The San Andreas fracture is a transverse right-turning fault. When this mistake has just been made, a volcano from an ancient subduction zone lies about 3/4 on the Pacific Plate and 1/4 on the North American plate somewhere in Central California today. Nearly 55 million years later, the volcano was offset by about 250 miles. This is the largest known offset of the San Andreas Fault and this helps geologists to determine important information such as the average slip movement and fault age. The northern part of this offset is now called Pinnacles National Park near Soledad, California. The other half of Pinnacles is located at Three Points, California in Los Angeles County.
The Pacific Plate is the largest known plate on Earth. This is considered an oceanic plate because it is much denser than a continental plate. That is the reason why oceanic plates are always oppressive under other plates. There are only a few places where the Pacific Plate is actually above the ocean. Most of the state coastlines, below Eureka, California are part of the Pacific Plate. The thickest part of the mainland of California can be observed as far as land as the Salton Sea. To the south of the Salon Sea, there is a gap between plate boundaries. This gap acts like a divergent plate boundary where the soil is being pulled apart. Volcanic mud can be observed only on the southern edge of the ocean as well as hot springs. Geothermal power plants are abundant in the area, which dominate many local rural communities.
When the San Andreas Fault originally formed, the tensions on the North American Plate grew. The platter was curved and started to look like a swelling in almost all the western part. Many mistakes are created as a result; geological blocks that rise and fall over and over again in patterns and sequences. The surface extension causes cracks that make up many independent faults. This is the creation of the Basin and the Provincial Region. Sometimes these errors create pathways, which the molten rocks can flow to the surface creating a cinder cone volcano. The Los Angeles area has several volcanoes that form. Along Route 66 in Amboy, California, is an extinct Amboy Crater estimated to be 80,000 years old. It is relatively new in terms of geology, but is greatly eroded by the wind. While driving along Interstate 40, visible lava is visible that can stretch for miles. In Death Valley National Park is a much larger cinder cone volcano called Ubehebe Crater. This is very young, although many geologists debate the numbers with some estimates as old as 10,000 years with the latest age such as 800 years. One thing is certain: the volcano is still very active and can erupt. Because of its location, it is unlikely to affect many people. In Orange County, lava flows and embankments can be seen in El Modena although no crater is actually visible, possibly because it has either been completely eroded or formed in a small gap, which will explain why it is so localized.
The land where the Los Angeles metropolitan area lies between the latest rocks in the continent of the United States. It is estimated to be about 20 million years old. Most of the rocks in this area are part of the larger Monterey Formation that covers most of California's coastal ranges. The Monterey Formation is composed of shale rocks, created from the accumulation of calcium-rich shells from the dead sea life millions of years. Before that, it was submerged and was a shallow seabed. Since then it has been lifted due to the pressure between many different disturbance zones at an average rate of 2 millimeters per year.
The Los Angeles area is known to be geologically active. The San Andreas fault is located about 40 miles northeast of Downtown Los Angeles. The closest cities and towns to Los Angeles containing the San Andreas Fault are Gorman and Palmdale, California. Historically, major earthquakes occurred along the fault, large enough to cause fatalities and millions of dollars in damage. A major earthquake has not occurred in the southern part of the San Andreas Fault in more than 150 years and geologists have determined the probability of 50% of 7.0 earthquakes, listed on magnitude scale in 2010 to 2040. Some geologists say this may be too speculating. There is currently no way to accurately predict earthquakes anywhere on a particular error. Instead, great efforts have been made to fund a practical earthquake warning system, similar to what Japan used in Tokyo during the 2011 Japan earthquake, in Southern California. Currently, this area gets a lot of earthquakes per day, mostly listed below 2.5 on a magnitude scale, too insignificant to feel the shocks on the surface.
List of major interruption zones
Note: Plate boundary errors are indicated by a symbol (#).
Significant earthquakes
Note: The epicenter earthquake in Los Angeles Metro Area is indicated by the symbol (#). The other earthquakes mentioned meant trembling.
See also
- Chicago metropolitan area
- Greater Los Angeles Area
- List of Metropolitan Statistical Areas
- New York metropolitan area
References
External links
Source of the article : Wikipedia
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