Seto Inland Sea facts for kids
| Seto Inland Sea (Setouchi) |
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View of the Seto Inland Sea from Miyajima island
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The Inland Sea and its major straits
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| Location | Pacific Ocean |
| Coordinates | Script error: The function "coordinsert" does not exist. |
| Type | Sea |
| Basin countries | Japan |
| Surface area | 23,203 km2 (9,000 sq mi) |
| Average depth | 38 m (125 ft) |
The Seto Inland Sea (瀬戸内海 Seto Naikai), also known as Setouchi or often shortened to Inland Sea, is the body of water separating Honshū, Shikoku, and Kyūshū, three of the five main islands of Japan. The region that includes the Seto Inland Sea and the coastal areas of Honshū, Shikoku, and Kyūshū is known as the Setouchi Region. It serves as a waterway, connecting the Pacific Ocean to the Sea of Japan. It connects to Osaka Bay and provides a sea transport link to industrial centers in the Kansai region, including Osaka and Kobe. Before the construction of the San'yō Main Line, it was the main transportation link between Kansai and Kyūshū.
Yamaguchi, Hiroshima, Okayama, Hyōgo, Osaka, Wakayama, Kagawa, Ehime, Tokushima, Fukuoka, and Ōita prefectures all have coastlines on the Seto Inland Sea; the cities of Hiroshima, Iwakuni, Takamatsu, and Matsuyama are also located on it.
The Setouchi region is known for its moderate climate, with a stable year-round temperature and relatively low rainfall levels. The sea is also famous for its periodic red tides (赤潮 akashio) caused by dense groupings of certain phytoplankton that result in the death of large numbers of fish.
Since the 1980s, the sea's northern and southern shores have been connected by the three routes of the Honshū–Shikoku Bridge Project, including the Great Seto Bridge, which serves both railroad and automobile traffic.
Related pages
Images for kids
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Sunset over the Seto Inland Sea. The bridge on the foreground is the Great Seto Bridge in Kurashiki, Okayama Prefecture.
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The torii of Itsukushima Shrine
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Major ports and bridging Expressways of the Seto Inland Sea.
