Iturup

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Largest of the Kuril Islands

title: "Iturup" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["iturup", "islands-of-the-kuril-islands", "southern-kuriles", "islands-of-the-sea-of-okhotsk", "islands-of-the-russian-far-east", "islands-of-hokkaido", "disputed-islands-of-asia", "japan–soviet-union-relations", "nemuro-subprefecture"] description: "Largest of the Kuril Islands" topic_path: "geography/russia" source: "https://en.wikipedia.org/wiki/Iturup" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Largest of the Kuril Islands ::

::data[format=table title="Infobox islands"]

Field	Value
disputed	yes
name	Iturup
native_name
other_names	;
image_name	Iturup sentinel-2.jpg
image_size	300px
image_caption	Sentinel-2 image of Iturup (May 2023)
pushpin_map	Japan#Russia
pushpin_map_relief	1
image_map	IturupMap.png
location	Sea of Okhotsk
coordinates
archipelago	Kuril Islands
area_km2	3139
length_km	200
width_km	27
elevation_m	1634
highest_mount	Stokap
country	Russia
country_admin_divisions_title_1	Federal subject
country_admin_divisions_1	Sakhalin Oblast
country_admin_divisions_title_2	District
country_admin_divisions_2	Kurilsky
country1	Japan
country1_admin_divisions_title_1	Prefecture
country1_admin_divisions_1	Hokkaido
country1_admin_divisions_title_2	Subprefecture
country1_admin_divisions_2	Nemuro
population	7,500
population_as_of	2003
mapframe	yes
mapframe-zoom	07
::

Iturup (; ), also historically known by other names, is an island in the Kuril Archipelago separating the Sea of Okhotsk from the North Pacific Ocean. The town of Kurilsk, administrative center of Kurilsky District, is located roughly midway along its western shore. Iturup is the largest and northernmost of the southern Kurils, ownership of which is disputed between Japan and Russia. It is located between Kunashiri 19 km to its southwest and Urup 37 km to its northeast. The Vries Strait between Iturup and Urup forms the Miyabe Line dividing the predominant plants of the Kurils.

The native inhabitants of the islands since at least the 14th century were the Ainu. Various European explorers passed the area over the years but settlement varied between Russian and Japanese. The island was formally claimed as Japanese territory in 1855. Near the end of the Second World War in 1945, the Soviet Union occupied the southern Kurils and forcibly removed its Japanese residents. Japan continues to claim the islands and considers the northern edge of the island to be its own northernmost point.

Etymology

Names

The modern English name Iturup and earlier Yetorup are romanizations of the Russian name Ostrov Iturúp (Остров Итуру́п, "Iturup Island"). It was previously known in English as Etrof from the Japanese name Etorofu-tō (択捉島, "Iturup Island"). Both the Russian and Japanese names come from the native Ainu Etuworop-sir (エツ゚ヲロㇷ゚シㇼ), meaning "island with many capes".

Geography

Iturup consists of volcanic massifs and mountain ridges. A series of a dozen calc-alkaline volcanoes running NE to SW form the backbone of the island, the highest being Stokap (1,634 m) in the central part of Iturup. The shores of the island are high and abrupt. The vegetation mostly consists of spruce, larch, pine, fir, and mixed deciduous forests with alder, lianas and Kuril bamboo underbrush. The mountains are covered with birch and Siberian Dwarf Pine scrub, herbaceous flowers (including Fragaria iturupensis, the Iturup strawberry) or bare rocks.

The island also contains some high waterfalls, such as the Ilya Muromets.

Rheniite, a rhenium sulfide mineral (ReS2), was discovered in active hot fumaroles on Kudriavy volcano and first described in 2004. In the field it was originally mistaken for molybdenite.

History

Prehistory

Main article: Ainu people

The native inhabitants of all the Kuril islands are the Ainu. They have lived there since at least the 14th century.

Staten Island

Edo period

::figure[src="https://upload.wikimedia.org/wikipedia/commons/c/cb/Staten_Island_(Jan_Janssonius_1652).jpeg" caption="Companies Land]]" on [[Jan Janssonius]]'s 1654 ''New and Accurate Description of Japan, the Land of Eso, and Adjacent Islands''"] ::

Main article: Edo period

Europeans are first recorded visiting this part of the Kurils in 1643 when the Castricum under Maarten Gerritsz Vries was exploring Hokkaido and the surrounding area for the Dutch East India Company (VOC). As with neighboring Urup, Iturup is sometimes said to have been the particular island intended in his account, but in fact his description of an enormous continental Company Land (named after the VOC) and a large and prosperous Staten Island (named after the States General) bear no relation to anything in the area, a fact established by Vitus Bering's lieutenant Martin Spanberg in a series of voyages in 1738, 1739, and 1742. The phantom Staten Island (Staten Eyland; ) still continued to appear on European maps for decades afterward, however, and is now sometimes specifically conflated with Iturup despite its placement on most maps more closely matching Kunashiri.

The Japanese are first recorded reaching Iturup in 1661, when Shichirobei and his company drifted there by accident. Following Bering and Spanberg's voyages under the Russian flag, a settlement was established in the late 18th century, prompting the Japanese to establish a garrison around 1800 at the site of present-day Kurilsk. Japanese rule over Iturup was formally recognized in the 1855 Treaty of Shimoda.

Showa period

::figure[src="https://upload.wikimedia.org/wikipedia/commons/b/be/Japanese-Buddhist-Temple-Iturup-Etorofu.png" caption="Japanese residents of Iturup at a Buddhist temple (before 1939)"] ::

Main article: Showa period

On 26 November 1941, a Japanese carrier fleet left Hitokappu Bay (now called Kasatka Bay), on the eastern shore of Iturup, and sailed for an attack on the American base of Pearl Harbor.

Shana Village was located on Iturup (Etorofu) in the Showa era, before 1945. It was the administrative capital of the Kuril islands. There was a village hospital, an Etorofu Fisheries factory, a radio tower of the post office with a radio receiving antenna. The receiver was battery-powered.

Post-World War II

In 1945, according to decisions of the Yalta Conference, Iturup was occupied by the Soviet Union after Japan's defeat in World War II. The Japanese inhabitants were expelled to mainland Japan. In 1956 the two countries agreed to restore diplomatic relations, but a peace treaty, , has not been concluded due to the disputed status of Iturup and some other nearby islands.

A Soviet Anti-Air Defense (PVO) airfield, Burevestnik (English: storm-petrel), is located on the island and was until 1993 home to a number of Mikoyan-Gurevich MiG-23 fighter jets. In 1968, Seaboard World Airlines Flight 253A was intercepted over the Kurils and forced to land at Burevestnik with 214 American troops bound for Vietnam. An older airfield, Vetrovoe, exists on the eastern part of the island and may have been used primarily by Japanese forces during World War II.

Contemporary period

A new international airport, Iturup Airport, was opened in 2014, 7 km east of Kurilsk. It was the first airport built from scratch in Russia's post-Soviet history. It has a 2.3 km, 42 m runway and can receive Antonov An-74-200 aircraft. It also has a military use. The Burevestnik military airfield 60 km to the south, in the past received civilian aircraft as well, but was often closed because of fog. Burevestnik is now a reserve airfield for the new airport. On February 2, 2018, PBS NewsHour reported that Russia announced it was sending fighter planes to Iturup. Su-35 aircraft landed on a reserve airfield on the island in March 2018 and Su-35s were then deployed to Iturup airport on a trial basis in August 2018.

Administratively, the island belongs to the Sakhalin Oblast of the Russian Federation. Japan claims Iturup as part of Nemuro Subprefecture.

Gallery

File:Остров Итуруп. Вулкан Баранского.jpg|Volcanoes of Iturup File:Итуруп10.jpg|Kurilsk, 1981 File:Итуруп7.jpg|Iturup, 1981 File:Итуруп8.jpg|Trees showing effect of prevailing wind, 1981 File:Shana_Village_in_Etorofu_Island.JPG|Shana Village in Etorofu (Shōwa period). There is a village hospital in the front, a factory in the left back with a fishery and a central radio tower (before 1945). File:Rheniite-34295.jpg|Rheniite crystals on a base of hardened lava, from Kudriavy Volcano

References

"Ostrov Iturup: Russia". Geographical Names.
(1956). "Contemporary Japan, Volume 24". Foreign Affairs Association of Japan.
"Etorofu-tō: Russia". Geographical Names.
(5 May 2004). "Discovery of a pure rhenium mineral at Kudriavy volcano". [[Nature (journal).
"The 17th and 18th Centuries".
{{harvp. De Saint-Martin et al.. 1895
Heawood, Edward. (1912). "A history of geographical discovery in the seventeenth and eighteenth centuries". Cambridge University Press.
(1895). "Nouveau Dictionnaire de Géographie Universelle". Librairie Hachette & Co..
Wroth, Lawrence C.. (1944). "The Papers of the Bibliographical Society of America". University of Chicago Press.
ru
(6 October 2016). "Sana, the administrative capital – 行政の首都紗那（しゃな）". Chishima People's Magazine Study Group (千島庶民誌研究会).
[http://www.japantimes.co.jp/news/2007/09/22/reference/special-presentations/nemuro-raid-survivor-longs-for-homeland/#.VwzAu3mIqUk Takahara, "Nemuro raid survivor"]
(2000). "The Armed Forces of Russia in Asia". I.B.Tauris.
(22 September 2014). "New airport on Kuril Iturup Island receives first flight". Russia Beyond.
"PBS NewsHour full episode February 2, 2018 (Time Index 8:37)".
. (March 26, 2018). ["Russian fighter jets land on disputed island"](http://www.xinhuanet.com/english/2018-03/26/c_137067150.htm). *[[Xinhua News Agency]]*.
Gady, Franz-Stefan. (August 1, 2018). "Japan Asks Russia to Reduce Militarization of Disputed Kuril Islands". [[The Diplomat (magazine).
. (August 4, 2018). ["Report: Fighter jets deployed on Etorofu for trial"](https://www3.nhk.or.jp/nhkworld/en/news/20180804_07/). *[[NHK]]*.

::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::