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Coordinates: 37°49′36″N 122°25′22″W. Alcatraz Island ( / ˈælkəˌtræz /) is a small island 1.25 miles (2.01 km) offshore from San Francisco, California, United States. [1] . The island was developed in the mid-19th century with facilities for a lighthouse, a military fortification, and a military prison.
May 10, 2024 · Alcatraz Island, rocky island in San Francisco Bay, California, U.S. The island occupies an area of 22 acres (9 hectares) and is located 1.5 miles (2 km) offshore.
- The Editors of Encyclopaedia Britannica
Aug 18, 2021 · Covering an area of only 0.089 km 2, Alcatraz Island, also referred to as “The Rock”, is a small rocky island that is located in the San Francisco Bay. The Alcatraz Island is situated about 2.01 km offshore from the city of San Francisco in California , United States .
- Diptarka Ghosh
Oct 8, 2021 · Alcatraz Island Map. This is a general map of the island showing various structures. For your safety, please listen to the announcements at the dock, since various areas of the island are closed to the public depending on the season. Open the PDF of the Island map by clicking here.
Nearest city: San Francisco, California. Area: 22.86 acres (7.63 ha) Established: 1934. Governing body: National Park Service. Alcatraz Island, commonly referred to as simply Alcatraz or locally as The Rock, is a small island located in the middle of San Francisco Bay in California, United States .
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Feb 28, 2024 · Scientists and technology experts spent three weeks in December using cameras, drones and a robot dog to gather four trillion bytes of data to build the first 3-D map of the entire island in...
Explore Alcatraz Island in Google Earth. ...
