San Francisco Bay

BaySan FranciscoSan Francisco Harborthe BaySan Francisco Bay AreaBay AreaSan Francisco Bay, CaliforniaEast BayFrisco BaySan Francisco Bay and Estuary
San Francisco Bay is a shallow estuary in the US state of California.wikipedia
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San Francisco Bay Area

Bay AreaSan FranciscoBay Area, California
It is surrounded by a contiguous region known as the San Francisco Bay Area (often simply "the Bay Area"), and is dominated by the large cities of San Jose, San Francisco and Oakland.
The San Francisco Bay Area (popularly referred to as the Bay Area) is a populous region surrounding the San Francisco, San Pablo, and Suisun Bay estuaries in Northern California.

San Jose, California

San JoseSan Jose, CASan José
It is surrounded by a contiguous region known as the San Francisco Bay Area (often simply "the Bay Area"), and is dominated by the large cities of San Jose, San Francisco and Oakland.
Located in the center of the Santa Clara Valley, on the southern shore of San Francisco Bay, San Jose covers an area of 179.97 mi2.

Oakland, California

OaklandOakland, CACity of Oakland
It is surrounded by a contiguous region known as the San Francisco Bay Area (often simply "the Bay Area"), and is dominated by the large cities of San Jose, San Francisco and Oakland.
With a population of 428,827, it serves as a trade center for the San Francisco Bay Area; its Port of Oakland is the busiest port in the San Francisco Bay, the entirety of Northern California, and the fifth busiest in the United States of America.

Sacramento River

SacramentoBonaventura Riverriver
Water from the Sacramento and San Joaquin rivers, and from the Sierra Nevada mountains, flow into Suisun Bay, which then travels through the Carquinez Strait to meet with the Napa River at the entrance to San Pablo Bay, which connects at its south end to San Francisco Bay.
Rising in the Klamath Mountains, the river flows south for 400 mi before reaching the Sacramento–San Joaquin River Delta and San Francisco Bay.

San Joaquin River

San JoaquinSan Joaquin riversMiddle Fork of the San Joaquin River
Water from the Sacramento and San Joaquin rivers, and from the Sierra Nevada mountains, flow into Suisun Bay, which then travels through the Carquinez Strait to meet with the Napa River at the entrance to San Pablo Bay, which connects at its south end to San Francisco Bay.
The 366 mi long river starts in the high Sierra Nevada, and flows through the rich agricultural region of the northern San Joaquin Valley before reaching Suisun Bay, San Francisco Bay, and the Pacific Ocean.

Suisun Bay

Suisun Bay, CaliforniaSuisun Bay GroupSuisun
Water from the Sacramento and San Joaquin rivers, and from the Sierra Nevada mountains, flow into Suisun Bay, which then travels through the Carquinez Strait to meet with the Napa River at the entrance to San Pablo Bay, which connects at its south end to San Francisco Bay.
Suisun Bay is a shallow tidal estuary (a northeastern extension of the San Francisco Bay) in northern California.

San Pablo Bay

San Pablo
Water from the Sacramento and San Joaquin rivers, and from the Sierra Nevada mountains, flow into Suisun Bay, which then travels through the Carquinez Strait to meet with the Napa River at the entrance to San Pablo Bay, which connects at its south end to San Francisco Bay.
San Pablo Bay is a tidal estuary that forms the northern extension of San Francisco Bay in the East Bay and North Bay regions of the San Francisco Bay Area in northern California.

San Francisco

San Francisco, CaliforniaSan Francisco, CACity and County of San Francisco
It is surrounded by a contiguous region known as the San Francisco Bay Area (often simply "the Bay Area"), and is dominated by the large cities of San Jose, San Francisco and Oakland.
The Yelamu group of the Ohlone people resided in a few small villages when an overland Spanish exploration party, led by Don Gaspar de Portolá, arrived on November 2, 1769, the first documented European visit to San Francisco Bay.

Golden Gate

Golden Gate StraitSan Francisco Golden GateGate called Golden
It then connects to the Pacific Ocean via the Golden Gate strait.
The Golden Gate is a strait on the west coast of North America that connects San Francisco Bay to the Pacific Ocean.

Carquinez Strait

Water from the Sacramento and San Joaquin rivers, and from the Sierra Nevada mountains, flow into Suisun Bay, which then travels through the Carquinez Strait to meet with the Napa River at the entrance to San Pablo Bay, which connects at its south end to San Francisco Bay. About 560,000 years ago, a tectonic shift caused the large inland Lake Corcoran to spill out the central valley and through the Carquinez Strait, carving out sediment and forming canyons in what is now the northern part of the San Francisco Bay and Golden Gate strait.
It is part of the tidal estuary of the Sacramento and the San Joaquin rivers as they drain into the San Francisco Bay.

Yerba Buena Island

Goat IslandYerba BuenaYerba Buena Training Station
Mountainous Yerba Buena Island is pierced by a tunnel linking the east and west spans of the San Francisco–Oakland Bay Bridge.
Yerba Buena Island sits in the San Francisco Bay between San Francisco and Oakland, California.

Alameda (island)

Alameda IslandAlamedaisland of Alameda
Alameda, the largest island, was created when a shipping lane was cut to form the Port of Oakland in 1901.
Alameda Island is an island in the San Francisco Bay in California.

Port of Oakland

Oaklandcity's portOakland Bulk and Oversized Terminal
Alameda, the largest island, was created when a shipping lane was cut to form the Port of Oakland in 1901.
The Port of Oakland is a major container ship facility located in Oakland, California, in the San Francisco Bay.

Treasure Island, San Francisco

Treasure IslandTreasure Island, CaliforniaTreasure Island Naval Base
Attached to the north is the artificial and flat Treasure Island, site of the 1939 Golden Gate International Exposition.
Treasure Island is an artificial island in the San Francisco Bay and a neighborhood in the City and County of San Francisco.

Alcatraz Island

AlcatrazAlcatraz PrisonAlcatraz Penitentiary
The federal prison on Alcatraz Island no longer functions, but the complex is a popular tourist site.
Alcatraz Island is located in San Francisco Bay, 1.25 mi offshore from San Francisco, California, United States.

Hayward Fault Zone

Hayward FaultHaywardRodgers Creek Fault
San Francisco Bay is thought to represent a down-warping of the Earth's crust between the San Andreas Fault to the west and the Hayward Fault to the east, though the precise nature of this remains under study.
This fault is about 74 mi long, situated mainly along the western base of the hills on the east side of San Francisco Bay.

Estuary

estuariesestuarinetidal estuary
San Francisco Bay is a shallow estuary in the US state of California.
There are only a small number of tectonically produced estuaries; one example is the San Francisco Bay, which was formed by the crustal movements of the San Andreas fault system causing the inundation of the lower reaches of the Sacramento and San Joaquin rivers.

Ohlone

Ohlone peopleCostanoanKalindaruk
From 15,000 – 10,000 years ago, the Ohlone tribe inhabited the area that is now the San Francisco Bay.
When Spanish explorers and missionaries arrived in the late 18th century, the Ohlone inhabited the area along the coast from San Francisco Bay through Monterey Bay to the lower Salinas Valley.

Sierra Nevada (U.S.)

Sierra NevadaSierra Nevada MountainsSierra Nevada foothills
Water from the Sacramento and San Joaquin rivers, and from the Sierra Nevada mountains, flow into Suisun Bay, which then travels through the Carquinez Strait to meet with the Napa River at the entrance to San Pablo Bay, which connects at its south end to San Francisco Bay.

Central Valley (California)

Central ValleyCalifornia Central ValleyCentral Valley of California
About 560,000 years ago, a tectonic shift caused the large inland Lake Corcoran to spill out the central valley and through the Carquinez Strait, carving out sediment and forming canyons in what is now the northern part of the San Francisco Bay and Golden Gate strait.
The delta empties into the San Francisco Bay, and then ultimately flows into the Pacific.

Harbor

harbournatural harbournatural harbor
Despite its value as a waterway and harbor, many thousands of acres of marshy wetlands at the edges of the bay were, for many years, considered wasted space.

Angel Island (California)

Angel IslandAngel Island, CaliforniaFort McDowell
Angel Island was known as "Ellis Island West" because it served as the entry point for immigrants from East Asia.
Angel Island is an island in San Francisco Bay.

Marina District, San Francisco

Marina DistrictMarinaMarina District of San Francisco
The Marina District of San Francisco, hard hit by the 1989 earthquake, was built on fill that had been placed there for the Panama-Pacific International Exposition, although liquefaction did not occur on a large scale.
The northern half of the Marina is a shoreline of the San Francisco Bay, and features the Marina Green, a park adjacent to the municipal boat marina from which the neighborhood takes its name.

1989 Loma Prieta earthquake

Loma Prieta earthquakeearthquake1989 San Francisco earthquake
The deep, damp soil in these areas is subject to soil liquefaction during earthquakes, and most of the major damage close to the Bay in the Loma Prieta earthquake of 1989 occurred to structures on these areas.
Other areas with certain soil conditions were susceptible to site amplification due to the effects of liquefaction, especially near the shore of San Francisco Bay (where its effects were severe in the Marina District) and to the west of the epicenter near rivers and other bodies of water.

Monterey, California

MontereyMonterey, CAMonterrey
The first recorded European discovery of San Francisco Bay was on November 4, 1769 when Spanish explorer Gaspar de Portolà, unable to find the port of Monterey, California, continued north close to what is now Pacifica and reached the summit of the 1200 ft Sweeney Ridge, now marked as the place where he first sighted San Francisco Bay.
The party continued north as far as San Francisco Bay before turning back.