Duncan Passage

Duncan Passage is a strait in the Indian Ocean. It is about 48 km (30 mi) wide; it separates Rutland Island (part of Great Andaman) to the north, and Little Andaman to the south. West of Duncan Passage is the Bay of Bengal; east is the Andaman Sea. It lies within the exclusive economic zone of India protected by the integrated tri-services Andaman and Nicobar Command of Indian Military.

Duncan Passage
Duncan Passage
Location in the Bay of Bengal.
Coordinates11°2′N 92°35′E
TypeChannel
Part ofIndian Ocean
Duncan Passage

It sits between The Sisters island off South Andaman Island and North Brother Island off Little Andaman with a minimum depth of 21.9 m.[1][2]

Manners Strait is the branch of Duncan Passage that lies between North Cinque Island and Rutland Island.

Islands along Duncan Passage

Several small islands and islets lie along the passage. North to south, they are:

Nearby major channels and straits

In Adnamans

Outside Andaman
  • Gulf of Mannar
  • Cocos Strait, Duncan Passage
  • Cocos Strait is at the northern end of Andaman Islands in red square
  • Ten Degrees Channel
  • Ten Degrees Channel, closeup
  • Malacca Strait
  • Singapore Strait
  • Sunda Strait
  • Lombok Strait
  • South China Sea, Malacca Strait, Gulf of Thailand, Sulu Sea, Celebes Sea

References
  1. Prashant sharma,Geography FAQ: for SSC, Bank PO, Railway, UPSC exams and CDS, page 8.
  2. 2002, Sailing Directions (enroute) for India and the Bay of Bengal
  3. Mohor Chakraborty and Tridib Chakraborti, 2020, India's Strategy in the South China Seabooks.
  4. "СИНГАПУРСКИЙ ПРОЛИВ - это... Что такое СИНГАПУРСКИЙ ПРОЛИВ?". Словари и энциклопедии на Академике (in Russian). Retrieved 2018-07-29.
  5. "Sunda Islands". Concise Dictionary of World Place-Names. John Everett-Heath. Oxford University Press 2005. Oxford Reference Online. Oxford University Press.
  6. Donald B. Freeman, The Straits of Malacca: Gateway Or Gauntlet?. McGill-Queen's Press, 2006.
  7. The designaiton of routing measures in Sunda and Lombok Straits.
  8. Susanto, R. Dwi; Leonid Mitnik; Quanan Zheng (December 2005). "Ocean Internal Waves Observed in the Lombok Strait" (PDF). Oceanography. p. 83. Archived from the original (PDF) on 9 October 2011. Retrieved 16 May 2008.
  9. India’s Strategic Dimensions in Malacca Strait By Vithiyapathy Purushothaman, 16 March 2015.
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