Tsushima Basin
36°34′48.89″N 131°38′57.01″E / 36.5802472°N 131.6491694°E
Tsushima Basin Ulleung Basin | |||||||
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![]() Tsushima Basin where the Sea of Japan meets the Korea Strait | |||||||
Japanese name | |||||||
Kanji | 対馬海盆 | ||||||
Hiragana | つしまかいぼん | ||||||
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Korean name | |||||||
Hangul | 울릉분지 | ||||||
Hanja | 鬱陵盆地 | ||||||
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The Tsushima Basin (
In 1978, the Japanese government registered the name "Tsushima Basin" with the
The first exploratory drilling for gas was in 1972, but gas discoveries have drawn regional interest since the late 1980s. The first commercial gas discovery was reported in 1998. Nine of 15 exploratory wells have contained gas, a rate indicating high potential prospects.[2]
The East Korea Warm Current, Ulleung Warm Eddy, and Offshore Branch interact within this basin.[3]
A feature of the southwestern Sea of Japan is a deep, developing continental shelf. The eastern Oki Islands, a big ridge of three rows lines up in parallel to the Japanese archipelago, and it connects with a Yamato Basin which has expanded from Oki Islands and offshore of the Tōhoku region to the south in between those. The vast Tsushima Basin has extended on the tip of the Oki offshore that expands from Oki Islands on the north side.
References
- ^ "Korea Resumes Project to Name Seabed Near Dokdo". Archived from the original on May 24, 2006.
- ^ "Sedimentary Basins, Offshore Korea". Archived from the original on 2007-05-30. Retrieved 2006-06-06.
- ^ "Decadal Current Variations in the Southwestern Japan/East Sea". Archived from the original on 2007-09-28. Retrieved 2006-06-06.