Portal:San Francisco Bay Area

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The San Francisco Bay Area Portal

California Bay Area county map
California Bay Area county map

The San Francisco Bay Area (referred to locally as the Bay Area) is a populous region surrounding the San Francisco and San Pablo estuaries in Northern California. The region encompasses the major cities and metropolitan areas of San Jose, San Francisco, and Oakland, along with smaller urban and rural areas. The Bay Area's nine counties are Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, and Sonoma. Home to approximately 7.68 million people, the nine-county Bay Area contains many cities, towns, airports, and associated regional, state, and national parks, connected by a network of roads, highways, railroads, bridges, tunnels, and commuter rail. The combined statistical area of the region is the second-largest in California (after the Greater Los Angeles area), the fifth-largest in the United States, and the 43rd-largest urban area in the world with 8.80 million people.

The Bay Area has the second-most Fortune 500 companies in the United States, after the New York metropolitan area, and is known for its natural beauty, liberal politics, entrepreneurship, and diversity. The area ranks second in highest density of college graduates, after the Washington, D.C. metropolitan area and performs above the state median household income in the 2010 census; it includes the five highest California counties by per capita income and two of the top 25 wealthiest counties in the United States. Based on a 2013 population report from the California Department of Finance, the Bay Area is the only region in California where the rate of people migrating in from other areas in the United States is greater than the rate of those leaving the region, led by Alameda and Contra Costa counties. (more...)

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Radar generated 3-D view of the San Andreas Fault, at Crystal Springs Reservoir near San Mateo
Radar generated 3-D view of the San Andreas Fault, at Crystal Springs Reservoir near San Mateo
The San Andreas Fault is a continental transform fault that extends roughly 810 miles (1,300 km) through California in the United States. It forms the tectonic boundary between the Pacific Plate and the North American Plate, and its motion is right-lateral strike-slip (horizontal). The fault divides into three segments, each with different characteristics, and a different degree of earthquake risk. Although the most significant (Southern) segment only dates back about 5 million years, the oldest sections were formed by the subduction of a spreading ridge 30 million years ago.

The fault was first identified in 1895 by Professor of geology Andrew Lawson from UC Berkeley who discovered the northern zone. It is named after a small lake which was formed in a valley between the two plates. Following the 1906 San Francisco earthquake, Lawson concluded that the fault extended all the way into southern California. In 1953, geologist Thomas Dibblee astounded the scientific establishment with his conclusion that hundreds of miles of lateral movement could occur along the San Andreas Fault.

A project called the San Andreas Fault Observatory at Depth (SAFOD) is drilling into the fault to improve prediction and recording of future quakes. (more...)

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Philip George Zimbardo (born March 23, 1933) is a psychologist and a professor emeritus at Stanford University. He became known for his 1971 Stanford prison experiment and has since authored various introductory psychology books, textbooks for college students, and other notable works, including The Lucifer Effect, The Time Paradox and the The Time Cure. He is also the founder and president of the Heroic Imagination Project. After the prison experiment, Zimbardo decided to look for ways he could use psychology to help people; this led to the founding of The Shyness Clinic in Menlo Park, California, which treats shy behavior in adults and children. Zimbardo's research on shyness resulted in several bestselling books on the topic. Other subjects he has researched include mind control and cultic behavior. (more...)

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Daly City is the largest city in San Mateo County, California, United States, with a 2010 population of 101,123. Located immediately south of San Francisco, it is named in honor of businessman and landowner John Daly. It remained a relatively small community until the late 1940s, when developer Henry Doelger established Westlake, a major district of homes and businesses, including the Westlake Shopping Center. (more...)

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The Bay Area by year

1853
Monarch the bear at the Academy of Sciences
Monarch the bear at the Academy of Sciences
Levi Strauss
Levi Strauss

 • The California Academy of Natural Sciences (modern display pictured, left) is founded in San Francisco
 • Levi Strauss & Co. is established when Levi Strauss (pictured, right) arrives from Buttenheim, Bavaria, in San Francisco to open a west coast branch of his brothers' New York dry goods business
 • Alameda County is incorporated

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Did you know...

San Francisco Bay Salt Ponds
San Francisco Bay Salt Ponds

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Hua Mulan
Hua Mulan


September - December 2011

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Christopher B. Smith Rafael Film Center on 4th Street in San Rafael, California
Christopher B. Smith Rafael Film Center on 4th Street in San Rafael, California

The Mill Valley Film Festival in Mill Valley is an annual, non-competitive film festival presented by the California Film Institute (pictured). Known as a filmmakers’ festival, the 11-day festival was founded in August 1978 by Mark Fishkin.

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~ Conrad Hilton
*more quotes about San Francisco from Wikiquote

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