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Tsugaru Strait

The Tsugaru Strait (津軽海峡, Tsugaru Kaikyō) is a strait between Honshu and Hokkaido in northern Japan connecting the Sea of Japan with the Pacific Ocean. It was named after the western part of Aomori Prefecture. The Seikan Tunnel passes under it at its narrowest point 12.1 miles (19.5 km) between Tappi Misaki on the Tsugaru Peninsula in Aomori Prefecture, Honshu, and Shirakami Misaki on the Matsumae Peninsula in Hokkaido.

Tsugaru Peninsula and Tsugaru Strait
Strait between Hokkaido (upper) and Honshu (lower)
Tappi Misaki Cape

Western maps made prior to the 20th century also referred to this waterway as the Strait of Sangar.[1]

Japan's territorial waters extend to three nautical miles (5.6 km) into the strait instead of the usual twelve, reportedly to allow nuclear-armed United States Navy warships and submarines to transit the strait without violating Japan's prohibition against nuclear weapons in its territory.[2] The part of the Seikan Tunnel that passes under the strait is considered to be under Japanese jurisdiction. The part of the Tsugaru Strait considered to be in international waters is still within Japan's exclusive economic zone.[3]

The Tsugaru Strait has eastern and western necks, both approximately 20 km across with maximum depths of 200 m and 140 m respectively.[4]

There are also ferry services that operate across the strait, including the Tsugaru Kaikyō Ferry and the Seikan ferry.

On September 26, 1954, 1,172 people died when the ferry Tōya Maru sank in the strait.[5]

Thomas Blakiston, an English explorer and naturalist, noticed that animals in Hokkaido were related to northern Asian species, whereas those on Honshu to the south were related to those from southern Asia. The Tsugaru Strait was therefore established as a major zoogeographical boundary, and became known as Blakiston's Line or the "Blakiston Line".[6]

See also

References

  1. ^ Congress, The Library of. "Tsugaru Strait (Japan) - LC Linked Data Service: Authorities and Vocabularies | Library of Congress, from LC Linked Data Service: Authorities and Vocabularies (Library of Congress)". id.loc.gov. Retrieved 2023-07-06.
  2. ^ Kyodo News, "Japan left key straits open for U.S. nukes", The Japan Times, June 22, 2009.
  3. ^ "日本の領海等概念図".
  4. ^ Tsuji, H., Sawada, T. and Takizawa, M. (1996). "Extraordinary inundation accidents in the Seikan undersea tunnel". Proceedings of the Institution of Civil Engineers, Geotechnical Engineering. 119 (1): 1–14. doi:10.1680/igeng.1996.28131.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  5. ^ . Japan Science and Technology Agency. Archived from the original on 2010-07-22.
  6. ^ "Nature in Japan" (PDF). Ministry of the Environment Government of Japan.

External links

  •   Media related to Tsugaru Strait at Wikimedia Commons

41°29′57″N 140°36′57″E / 41.49917°N 140.61583°E / 41.49917; 140.61583

tsugaru, strait, 津軽海峡, tsugaru, kaikyō, strait, between, honshu, hokkaido, northern, japan, connecting, japan, with, pacific, ocean, named, after, western, part, aomori, prefecture, seikan, tunnel, passes, under, narrowest, point, miles, between, tappi, misaki. The Tsugaru Strait 津軽海峡 Tsugaru Kaikyō is a strait between Honshu and Hokkaido in northern Japan connecting the Sea of Japan with the Pacific Ocean It was named after the western part of Aomori Prefecture The Seikan Tunnel passes under it at its narrowest point 12 1 miles 19 5 km between Tappi Misaki on the Tsugaru Peninsula in Aomori Prefecture Honshu and Shirakami Misaki on the Matsumae Peninsula in Hokkaido Tsugaru Peninsula and Tsugaru StraitStrait between Hokkaido upper and Honshu lower Tappi Misaki CapeWestern maps made prior to the 20th century also referred to this waterway as the Strait of Sangar 1 Japan s territorial waters extend to three nautical miles 5 6 km into the strait instead of the usual twelve reportedly to allow nuclear armed United States Navy warships and submarines to transit the strait without violating Japan s prohibition against nuclear weapons in its territory 2 The part of the Seikan Tunnel that passes under the strait is considered to be under Japanese jurisdiction The part of the Tsugaru Strait considered to be in international waters is still within Japan s exclusive economic zone 3 The Tsugaru Strait has eastern and western necks both approximately 20 km across with maximum depths of 200 m and 140 m respectively 4 There are also ferry services that operate across the strait including the Tsugaru Kaikyō Ferry and the Seikan ferry On September 26 1954 1 172 people died when the ferry Tōya Maru sank in the strait 5 Thomas Blakiston an English explorer and naturalist noticed that animals in Hokkaido were related to northern Asian species whereas those on Honshu to the south were related to those from southern Asia The Tsugaru Strait was therefore established as a major zoogeographical boundary and became known as Blakiston s Line or the Blakiston Line 6 See also EditExclusive economic zone of Japan Geography of JapanReferences Edit Congress The Library of Tsugaru Strait Japan LC Linked Data Service Authorities and Vocabularies Library of Congress from LC Linked Data Service Authorities and Vocabularies Library of Congress id loc gov Retrieved 2023 07 06 Kyodo News Japan left key straits open for U S nukes The Japan Times June 22 2009 日本の領海等概念図 Tsuji H Sawada T and Takizawa M 1996 Extraordinary inundation accidents in the Seikan undersea tunnel Proceedings of the Institution of Civil Engineers Geotechnical Engineering 119 1 1 14 doi 10 1680 igeng 1996 28131 a href Template Cite journal html title Template Cite journal cite journal a CS1 maint multiple names authors list link Seikan Railroad Ferryboat Accident Failure Knowledge Database Japan Science and Technology Agency Archived from the original on 2010 07 22 Nature in Japan PDF Ministry of the Environment Government of Japan External links Edit Media related to Tsugaru Strait at Wikimedia Commons41 29 57 N 140 36 57 E 41 49917 N 140 61583 E 41 49917 140 61583 Retrieved from https en wikipedia org w index php title Tsugaru Strait amp oldid 1163788241, wikipedia, wiki, book, books, library,

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