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Iōtorishima

Iōtorishima (硫黄鳥島, Literal: "sulfur bird island") or Iwo Tori-shima, also called Okinawa Torishima (沖縄鳥島), is a volcanic island part of the Ryūkyū Island chain with the only[1] active volcano in Okinawa Prefecture.

Aerial view of the Island.

Geography edit

Iotourishima is located 65 km west of Tokunoshima Island. On exceptionally clear days, Iōtorishima can be seen from the west coast of Tokunoshima.

The 2.50 km2[2] large island consists of two interconnected volcanoes made from andesite. The southern Gusuku kazan (グスク火山, "Castle Volcano") is a lava dome located in the center of the two summits. The northern Iōdake-kazan (硫黄岳火山, "Sulfur Peak Volcano") is a stratovolcano whose crater consists of a small lake of sulfur. It is still active, although none of the recent outbreaks had explosive character.[3][4] The highest point of the island is at 212 m, which belongs to Iōdake-kazan; the highest of the Gusuku kazan is the Maedake (前嶽) at 189.3 m.[5]

History edit

Sulfur was mined by the inhabitants for centuries[1] within the Kingdom of Ryukyu, and it was used as tribute to the Chinese Empire.[6]

The first recorded eruption was in 1664, when a woman died from a landslide.[7] In a series of eruptions and earthquakes from March to August 1903, all residents were temporarily moved 220 km to Kume Island, but were permanently relocated by June 1958; the final settlement had 86 inhabitants. Since then, the island has been uninhabited. In July 1968 there was another eruption.

Administratively, the island belonged to Gushikawa on Kume-jima, but merged in 2002 with Nakazato to the city Kumejima.

See also edit

External links edit

Commons: Io-Torishima  - Collection of pictures, videos and audio files relating to the island.

References edit

  1. ^ a b "Creating a cadastral map of Iwo-Tori-shima". Ryukyu Shimpo - Okinawa, Japanese newspaper, local news. Retrieved 2019-02-07.
  2. ^ . www.pref.okinawa.jp. Archived from the original on 2020-04-17. Retrieved 2019-02-07.
  3. ^ "Io-Torishima". Global Volcanism Program. Smithsonian Institution. Retrieved 2021-06-24.
  4. ^ "硫黄鳥島|海域火山データベース|海上保安庁 海洋情報部". www1.kaiho.mlit.go.jp. Retrieved 2019-02-07.
  5. ^ "地理院地図". maps.gsi.go.jp. Retrieved 2019-02-07.
  6. ^ "Relocation of Tori Shima Range to Iwo-Tori-shima". Ryukyu Shimpo - Okinawa, Japanese newspaper, local news. Retrieved 2019-02-07.
  7. ^ Information (NCEI), National Centers for Environmental. "Resource Removed | NCEI". www.ngdc.noaa.gov. Retrieved 2019-02-07.

27°52′16″N 128°13′37″E / 27.8711°N 128.2269°E / 27.8711; 128.2269

iōtorishima, 硫黄鳥島, literal, sulfur, bird, island, tori, shima, also, called, okinawa, torishima, 沖縄鳥島, volcanic, island, part, ryūkyū, island, chain, with, only, active, volcano, okinawa, prefecture, aerial, view, island, contents, geography, history, also, ex. Iōtorishima 硫黄鳥島 Literal sulfur bird island or Iwo Tori shima also called Okinawa Torishima 沖縄鳥島 is a volcanic island part of the Ryukyu Island chain with the only 1 active volcano in Okinawa Prefecture Aerial view of the Island Contents 1 Geography 2 History 3 See also 4 External links 5 ReferencesGeography editIotourishima is located 65 km west of Tokunoshima Island On exceptionally clear days Iōtorishima can be seen from the west coast of Tokunoshima The 2 50 km2 2 large island consists of two interconnected volcanoes made from andesite The southern Gusuku kazan グスク火山 Castle Volcano is a lava dome located in the center of the two summits The northern Iōdake kazan 硫黄岳火山 Sulfur Peak Volcano is a stratovolcano whose crater consists of a small lake of sulfur It is still active although none of the recent outbreaks had explosive character 3 4 The highest point of the island is at 212 m which belongs to Iōdake kazan the highest of the Gusuku kazan is the Maedake 前嶽 at 189 3 m 5 History editSulfur was mined by the inhabitants for centuries 1 within the Kingdom of Ryukyu and it was used as tribute to the Chinese Empire 6 The first recorded eruption was in 1664 when a woman died from a landslide 7 In a series of eruptions and earthquakes from March to August 1903 all residents were temporarily moved 220 km to Kume Island but were permanently relocated by June 1958 the final settlement had 86 inhabitants Since then the island has been uninhabited In July 1968 there was another eruption Administratively the island belonged to Gushikawa on Kume jima but merged in 2002 with Nakazato to the city Kumejima See also editList of islands in Japan List of volcanoes in JapanExternal links editCommons Io Torishima Collection of pictures videos and audio files relating to the island References edit a b Creating a cadastral map of Iwo Tori shima Ryukyu Shimpo Okinawa Japanese newspaper local news Retrieved 2019 02 07 島しょ別面積 沖縄県 www pref okinawa jp Archived from the original on 2020 04 17 Retrieved 2019 02 07 Io Torishima Global Volcanism Program Smithsonian Institution Retrieved 2021 06 24 硫黄鳥島 海域火山データベース 海上保安庁 海洋情報部 www1 kaiho mlit go jp Retrieved 2019 02 07 地理院地図 maps gsi go jp Retrieved 2019 02 07 Relocation of Tori Shima Range to Iwo Tori shima Ryukyu Shimpo Okinawa Japanese newspaper local news Retrieved 2019 02 07 Information NCEI National Centers for Environmental Resource Removed NCEI www ngdc noaa gov Retrieved 2019 02 07 27 52 16 N 128 13 37 E 27 8711 N 128 2269 E 27 8711 128 2269 Retrieved from https en wikipedia org w index php title Iōtorishima amp oldid 1181245191, wikipedia, wiki, book, books, library,

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