Big Diomede Article

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Big Diomede
Big Diomede seen from its nearest neighbor, Little Diomede
Location Bering Strait
Coordinates 65°46′52″N 169°03′25″W / 65.78111°N 169.05694°W / 65.78111; -169.05694
Archipelago Diomede Islands
Area29 km2 (11 sq mi)
Highest elevation477.3168 m (1,566 ft)
Ethnic groups Inupiat (formerly)
Additional information
Time zone

Big Diomede Island ( Russian: о́стров Ратма́нова, ostrov Ratmanova (Russian for Ratmanov Island); [1] Inupiat: Imaqłiq) or "Tomorrow Island" (due to the International Date Line) is the western island of the two Diomede Islands in the middle of the Bering Strait. The island is a part of the Chukotsky District of the Chukotka Autonomous Okrug of Russia. The border separating Russia and the United States runs north-south between the Diomede Islands.


Two black landmasses in the water in the sunset
An image of the Diomede Islands: Big Diomede is the right landmass

Big Diomede Island is located about 45 km (28 mi) southeast of Cape Dezhnev on the Chukchi Peninsula and is Russia's easternmost point or, technically, the westernmost point. The coordinates are 65°46′52″N 169°03′25″W / 65.78111°N 169.05694°W / 65.78111; -169.05694
BIG DIOMEDE ISLAND Latitude and Longitude:

65°46′52″N 169°03′25″W / 65.78111°N 169.05694°W / 65.78111; -169.05694
. The rocky tuya-type island has an area of about 29 km2 (11 sq mi) [2] The International Date Line is about 1.3 km (0.81 mi) [3] east of the island. The highest point of the island is at 65°46'24.64" N, 169°04'06.61" W where the elevation reaches 1,566 feet tall.


The island was originally inhabited by Inupiat. The First Alaskans Institute says that, "The people of the Diomede and King Islands are Inupiat...". [4]

The first European to reach the islands was the Russian explorer Semyon Dezhnyov in 1648. The Russian navigator (Danish nationality) Vitus Bering re-discovered the Diomede Islands on August 16, 1728, the day on which the Russian Orthodox Church celebrates the memory of the martyr St. Diomede. [5]

In 1732, the Russian geodesist Mikhail Gvozdev plotted the island's map.

In 1867, during the Alaska Purchase, the new border between the nations was drawn between the Big Diomede and Little Diomede islands.

20th century

During World War II, Big Diomede became a military base, and remained so for some time into the Cold War. [6]

After World War II, the Native population was forced off Big Diomede Island to the mainland in order to avoid contacts across the border. Today, unlike Alaska's neighboring Little Diomede Island, it has no permanent native population, but it is the site of a Russian weather station and a base of Border Service of the Federal Security Service of the Russian Federation troops (FSB). [7] [8]

During the Cold War, the section of the border between the U.S. and the USSR separating Big and Little Diomede became known as the " Ice Curtain". In 1987, however, Lynne Cox swam from Little Diomede to Big Diomede (approx. 2.2 miles (3.5 km)) and was congratulated jointly by Mikhail Gorbachev and Ronald Reagan.


Eleven species of birds including such as puffins and guillemots [9] have been found on Big Diomede. In 1976 a rufous hummingbird was identified on the island. [10] This finding, unique so far in Russia, was very likely due to a dispersed specimen. For mammals, pinnipeds (e.g. ringed and bearded seals, walruses [11]) and cetaceans (e.g. gray and rarer bowhead whales) inhabit the waters around the island. [12]

See also


  1. ^ ru:Ратманов, Макар Иванович
  2. ^ "Diomede Islands". Funk & Wagnalls New Encyclopedia. World Almanac Education Group. 2006. Archived from the original on 2009-03-26.
  3. ^ Wikimapia
  4. ^ Bering Straits[ permanent dead link], First Alaskans Institute, Regional Fact Sheets
  5. ^ Archived 2008-09-20 at the Wayback Machine.
  6. ^ "Diomede – Inalik, Alaska". Archived from the original on 2012-04-24. Retrieved 2012-03-24.
  7. ^ Diomede Islands,
  8. ^ "Google Maps". 1970-01-01. Retrieved 2012-03-24.
  9. ^ 2016. Bird Watching in the Russian Arctic
  10. ^ Newfield, Nancy L.; Nielsen, Barbara (1996). Hummingbird Gardens: Attracting Nature's Jewels to Your Backyard. Houghton Mifflin Harcourt. pp. 53–. ISBN  1-881527-87-5.
  11. ^ Hughes P.. 2016. Arctic thrill: an expedition through the Northwest Passage. How to spend it - Financial Times. Retrieved on March 01, 2017
  12. ^ Jarvenpa R.. Brumbach J. H.. 2006. Circumpolar Lives and Livelihood: A Comparative Ethnoarchaeology of Gender and Subsistence. pp.239. University of Nebraska Press. Retrieved on March 01, 2017