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Victoria Island structure facts for kids

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Victoria Island structure
Impact crater/structure
Confidence probable
Diameter 5.5 kilometers (3.4 mi)
Exposed No
Drilled No
Coordinates 37°53′24″N 121°32′06″W / 37.89°N 121.535°W / 37.89; -121.535Coordinates: 37°53′24″N 121°32′06″W / 37.89°N 121.535°W / 37.89; -121.535
Country United States
State California
District San Joaquin County

The Victoria Island structure is a 5.5 km (3 mi) bowl-shaped structure buried in the shale sediments of the Sacramento-San Joaquin River Delta, 12 miles (19 km) west of Stockton, California. The circular structure is part of a former sea bed, and lies 1,490–1,600 meters (4,890–4,250 ft) below sea level.

Discovered during oil exploration and reported at the Lunar and Planetary Science Conference in Houston, Texas, in March 2007, it is thought to be a buried impact crater formed between 37 and 49 million years ago.

Victoria Island, which the structure is named for, is in the San Joaquin River Delta at approximately 37°53′24″N 121°32′06″W / 37.890°N 121.535°W / 37.890; -121.535. The current publications do not list a more precise location for the impact structure than the island.

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