Japan Sea
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The Sea of Japan is the
marginal sea This is a list of seas of the World Ocean, including marginal seas, areas of water, various gulfs, bights, bays, and straits. Terminology * Ocean – the four to seven largest named bodies of water in the World Ocean, all of which have "Ocean ...
between the
Japanese archipelago The Japanese archipelago (Japanese: 日本列島, ''Nihon rettō'') is a archipelago, group of 6,852 islands that form the country of Japan, as well as the Russian island of Sakhalin. It extends over from the Sea of Okhotsk in the northeast to t ...
,
Sakhalin Sakhalin ( rus, Сахали́н, r=Sakhalín, p=səxɐˈlʲin; ja, 樺太 ''Karafuto''; zh, c=, p=Kùyèdǎo, s=库页岛, t=庫頁島; Manchu: ᠰᠠᡥᠠᠯᡳᠶᠠᠨ, ''Sahaliyan''; Orok: Бугата на̄, ''Bugata nā''; Nivkh: ...
, the
Korean Peninsula Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...
, and the mainland of the
Russian Far East The Russian Far East (russian: Дальний Восток России, r=Dal'niy Vostok Rossii, p=ˈdalʲnʲɪj vɐˈstok rɐˈsʲiɪ) is a region in Northeast Asia. It is the easternmost part of Russia and the Asian continent; and is admini ...
. The Japanese archipelago separates the sea from the
Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
. Like the
Mediterranean Sea The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the ea ...
, it has almost no
tide Tides are the rise and fall of sea levels caused by the combined effects of the gravity, gravitational forces exerted by the Moon (and to a much lesser extent, the Sun) and are also caused by the Earth and Moon orbiting one another. Tide t ...
s due to its nearly complete enclosure from the Pacific Ocean. This isolation also affects faunal diversity and
salinity Salinity () is the saltiness or amount of salt dissolved in a body of water, called saline water (see also soil salinity). It is usually measured in g/L or g/kg (grams of salt per liter/kilogram of water; the latter is dimensionless and equal ...
, both of which are lower than in the open ocean. The sea has no large islands, bays or capes. Its water balance is mostly determined by the inflow and outflow through the straits connecting it to the neighboring seas and the Pacific Ocean. Few rivers discharge into the sea and their total contribution to the water exchange is within 1%. The seawater has an elevated concentration of
dissolved oxygen Oxygen saturation (symbol SO2) is a relative measure of the concentration of oxygen that is dissolved or carried in a given medium as a proportion of the maximal concentration that can be dissolved in that medium at the given temperature. It ca ...
that results in high biological productivity. Therefore, fishing is the dominant economic activity in the region. The intensity of shipments across the sea has been moderate owing to political issues, but it is steadily increasing as a result of the growth of East Asian economies.


Names

''Sea of Japan'' is the dominant term used in English for the sea, and the name in most European languages is equivalent, but it is sometimes called by different names in surrounding countries. The sea is called ''Rìběn hǎi'' (日本海, literally "Japan Sea") or originally ''Jīng hǎi'' (鲸海, literally "Whale Sea") in China,2006
“鲸海”这个名字如何改成了“日本海”
. Retrieved on 7 March 2017
''Yaponskoye more'' (Японское море, literally "Japanese Sea") in Russia, ''Chosŏn Tonghae'' (조선동해, literally "Korean East Sea") in
North Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korea, Korean Peninsula and shares borders with China and Russia to the north, at the Yalu River, Y ...
, and ''Donghae'' (동해, literally "East Sea") in
South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed ...
. A naming dispute exists about the sea name, with South Korea promoting the English translation of its native name as the ''East Sea''.


Naming dispute

The use of the term "Sea of Japan" as the dominant name is a point of contention. South Korea wants the name "East Sea" to be used, either instead of or in addition to "Sea of Japan;"East Sea or "Sea of Japan"
. Korea.net. Retrieved on 21 March 2013.

Ministry of Foreign Affairs and Trade of Korea, 2005
while North Korea prefers the name "East Sea of Korea".
The Ministry of Foreign Affairs of Japan
The primary issue in the dispute revolves around a disagreement about when the name "Sea of Japan" became the international standard. Japan claims the term has been the international standard since at least the early 19th century, while the Koreas claim that the term "Sea of Japan" arose later while Korea was under Japanese rule, and before that occupation, other names such as "Sea of Korea" or "East Sea" were used in English. The sea is referred to as the Sea of Japan according to the Encyclopædia Britannica. In 2012, the
International Hydrographic Organization The International Hydrographic Organization (IHO) is an intergovernmental organisation representing hydrography. , the IHO comprised 98 Member States. A principal aim of the IHO is to ensure that the world's seas, oceans and navigable waters a ...
(IHO), the intergovernmental organization that maintains a publication listing the limits of ocean and sea areas around the world, abandoned its most recent of several attempts in the last 25 years to revise its publication of the sea's name. This was primarily because of the lack of agreement between the Koreas and Japan over the naming issue. In September 2020, the IHO announced that it would adopt a new numerical system, also known as "S-130". In November 2020, S-23, the previous version of the nautical chart made in 1953 will be made public as an IHO publication to demonstrate the evolutionary process from the analogue to the digital era. The IHO approved the proposal of the new official nautical chart. The new chart will be marked with a numerical identifier without a name.


History

For centuries, the sea had protected Japan from land invasions, particularly by the Mongols. It had long been navigated by Asian and, from the 18th century, by European ships. Russian expeditions of 1733–1743 mapped Sakhalin and the Japanese islands. In the 1780s, the Frenchman
Jean-François de Galaup, comte de Lapérouse Jean François de Galaup, comte de Lapérouse (; variant spelling: ''La Pérouse''; 23 August 17411788?), often called simply Lapérouse, was a French naval officer and explorer. Having enlisted at the age of 15, he had a successful naval caree ...
, traveled northward across the sea through the strait later named after him. In 1796, a British naval officer,
William Robert Broughton William Robert Broughton (22 March 176214 March 1821) was a British naval officer in the late 18th century. As a lieutenant in the Royal Navy, he commanded HMS ''Chatham'' as part of the Vancouver Expedition, a voyage of exploration through th ...
explored the Strait of Tartary, the eastern coast of the
Russian Far East The Russian Far East (russian: Дальний Восток России, r=Dal'niy Vostok Rossii, p=ˈdalʲnʲɪj vɐˈstok rɐˈsʲiɪ) is a region in Northeast Asia. It is the easternmost part of Russia and the Asian continent; and is admini ...
and the
Korean Peninsula Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...
. In 1803–1806, the Russian navigator
Adam Johann von Krusenstern Adam Johann von Krusenstern (also Krusenstjerna in Swedish; russian: Ива́н Фёдорович Крузенште́рн, tr. ; 10 October 177012 August 1846) was a Russian admiral and explorer, who led the first Russian circumnavigation o ...
while sailing across the globe in the ship ''Nadezhda'' also explored, in passing, the Sea of
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
and the eastern shores of Japanese
islands An island (or isle) is an isolated piece of habitat that is surrounded by a dramatically different habitat, such as water. Very small islands such as emergent land features on atolls can be called islets, skerries, cays or keys. An island ...
. In 1849, another Russian explorer
Gennady Nevelskoy Gennady Ivanovich Nevelskoy (; in Drakino, now in Soligalichsky District, Kostroma Oblast – in St. Petersburg) was a Russian navigator. In 1848 Nevelskoy set out in command of what became the to the area of the present-day ...
discovered the strait between the continent and Sakhalin and mapped the northern part of the Strait of Tartary. Russian expeditions were made in 1853–1854 and 1886–1889 to measure the surface temperatures and record the tides. They also documented the cyclonal character of the sea currents. Other notable expeditions of the 19th century include the
American American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...
North Pacific Exploring and Surveying Expedition The North Pacific Exploring and Surveying Expedition, also known as the Rodgers-Ringgold Expedition was a United States scientific and exploring project from 1853 to 1856. Commander Cadwalader Ringgold (1802–1867) led the expedition until ...
(1853–1856) and
British British may refer to: Peoples, culture, and language * British people, nationals or natives of the United Kingdom, British Overseas Territories, and Crown Dependencies. ** Britishness, the British identity and common culture * British English, ...
Challenger expedition The ''Challenger'' expedition of 1872–1876 was a scientific program that made many discoveries to lay the foundation of oceanography. The expedition was named after the naval vessel that undertook the trip, . The expedition, initiated by Wil ...
(1872–1876). The aquatic life was described by V. K. Brazhnikov in 1899–1902 and P. Yu. Schmidt in 1903–1904. The Japanese scientific studies of the sea began only in 1915 and became systematic since the 1920s.
American American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...
,
Canadian Canadians (french: Canadiens) are people identified with the country of Canada. This connection may be residential, legal, historical or cultural. For most Canadians, many (or all) of these connections exist and are collectively the source of ...
and French whaleships cruised for whales in the sea between 1847 and 1892. Most entered the sea via
Korea Strait The Korea Strait is a sea passage in East Asia between Korea and Japan, connecting the East China Sea, the Yellow Sea and the Sea of Japan in the northwest Pacific Ocean. The strait is split by the Tsushima Island into the Western Channel and t ...
and left via
La Pérouse Strait La Pérouse Strait (russian: пролив Лаперуза), or Sōya Strait, is a strait dividing the southern part of the Russian island of Sakhalin from the northern part of the Japanese island of Hokkaidō, and connecting the Sea of Japan on t ...
, but some entered and exited via
Tsugaru Strait The 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 (1 ...
. They primarily targeted
right whales Right whales are three species of large baleen whales of the genus ''Eubalaena'': the North Atlantic right whale (''E. glacialis''), the North Pacific right whale (''E. japonica'') and the Southern right whale (''E. australis''). They are class ...
, but began catching humpbacks as right whale catches declined. They also made attempts to catch
blue Blue is one of the three primary colours in the RYB colour model (traditional colour theory), as well as in the RGB (additive) colour model. It lies between violet and cyan on the spectrum of visible light. The eye perceives blue when obs ...
and
fin whale The fin whale (''Balaenoptera physalus''), also known as finback whale or common rorqual and formerly known as herring whale or razorback whale, is a cetacean belonging to the parvorder of baleen whales. It is the second-longest species of cet ...
s, but these species invariably sank after being killed. Right whales were caught from March to September, with peak catches in May and June. During the peak years of 1848 and 1849 a total of over 170 vessels (over 60 in 1848, and over 110 in 1849) cruised in the Sea of Japan, with significantly lesser numbers in following years.


Geography and geology

The Sea of Japan was landlocked when the
land bridge In biogeography, a land bridge is an isthmus or wider land connection between otherwise separate areas, over which animals and plants are able to cross and Colonisation (biology), colonize new lands. A land bridge can be created by marine regre ...
of
East Asia East Asia is the eastern region of Asia, which is defined in both geographical and ethno-cultural terms. The modern states of East Asia include China, Japan, Mongolia, North Korea, South Korea, and Taiwan. China, North Korea, South Korea and ...
existed. The Japan Arc started to form in the
Early Miocene The Early Miocene (also known as Lower Miocene) is a sub-epoch of the Miocene Epoch made up of two stages: the Aquitanian and Burdigalian stages. The sub-epoch lasted from 23.03 ± 0.05 Ma to 15.97 ± 0.05 Ma (million years ago). It was prece ...
. In the Early Miocene the Japan Sea started to open, and the northern and southern parts of the
Japanese archipelago The Japanese archipelago (Japanese: 日本列島, ''Nihon rettō'') is a archipelago, group of 6,852 islands that form the country of Japan, as well as the Russian island of Sakhalin. It extends over from the Sea of Okhotsk in the northeast to t ...
separated from each other. During the Miocene, the Sea of Japan expanded. The north part of the Japanese archipelago was further fragmented later until
orogenesis Orogeny is a mountain building process. An orogeny is an event that takes place at a convergent plate margin when plate motion compresses the margin. An ''orogenic belt'' or ''orogen'' develops as the compressed plate crumples and is uplifted t ...
of the north-eastern Japanese archipelago began in the later
Late Miocene The Late Miocene (also known as Upper Miocene) is a sub-epoch of the Miocene epoch (geology), Epoch made up of two faunal stage, stages. The Tortonian and Messinian stages comprise the Late Miocene sub-epoch, which lasted from 11.63 Ma (million ye ...
. The south part of the Japanese archipelago remained as a relatively large landmass. The land area had expanded northward in the Late Miocene. The orogenesis of high mountain ranges in north-eastern Japan started in Late Miocene and lasted in
Pliocene The Pliocene ( ; also Pleiocene) is the epoch in the geologic time scale that extends from 5.333 million to 2.58 Nowadays the Sea of Japan is bounded by the Russian mainland and
Sakhalin Sakhalin ( rus, Сахали́н, r=Sakhalín, p=səxɐˈlʲin; ja, 樺太 ''Karafuto''; zh, c=, p=Kùyèdǎo, s=库页岛, t=庫頁島; Manchu: ᠰᠠᡥᠠᠯᡳᠶᠠᠨ, ''Sahaliyan''; Orok: Бугата на̄, ''Bugata nā''; Nivkh: ...
island to the north, the
Korean Peninsula Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...
to the west, and the
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
ese islands of
Hokkaidō is Japan's second largest island and comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by the undersea railway Seikan Tunnel. The la ...
,
Honshū , historically called , is the largest and most populous island of Japan. It is located south of Hokkaidō across the Tsugaru Strait, north of Shikoku across the Inland Sea, and northeast of Kyūshū across the Kanmon Straits. The island separa ...
and
Kyūshū is the third-largest island of Japan's five main islands and the most southerly of the four largest islands ( i.e. excluding Okinawa). In the past, it has been known as , and . The historical regional name referred to Kyushu and its surround ...
to the east and south. It is connected to other seas by five
strait A strait is an oceanic landform connecting two seas or two other large areas of water. The surface water generally flows at the same elevation on both sides and through the strait in either direction. Most commonly, it is a narrow ocean channe ...
s: the
Strait of Tartary Strait of Tartary or Gulf of Tartary (russian: Татарский пролив; ; ja, 間宮海峡, Mamiya kaikyō, Mamiya Strait; ko, 타타르 해협) is a strait in the Pacific Ocean dividing the Russian island of Sakhalin from mainland Asia ...
between the
Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area ...
n mainland and Sakhalin;
La Pérouse Strait La Pérouse Strait (russian: пролив Лаперуза), or Sōya Strait, is a strait dividing the southern part of the Russian island of Sakhalin from the northern part of the Japanese island of Hokkaidō, and connecting the Sea of Japan on t ...
between the Sakhalin and Hokkaidō; the
Tsugaru Strait The 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 (1 ...
between Hokkaidō and Honshū; the
Kanmon Straits The or the Straits of Shimonoseki is the stretch of water separating Honshu and Kyushu, two of Japan's four main islands. On the Honshu side of the strait is Shimonoseki (, which contributed "Kan" () to the name of the strait) and on the Kyushu ...
between Honshū and Kyūshū; and the
Korea Strait The Korea Strait is a sea passage in East Asia between Korea and Japan, connecting the East China Sea, the Yellow Sea and the Sea of Japan in the northwest Pacific Ocean. The strait is split by the Tsushima Island into the Western Channel and t ...
between the
Korean Peninsula Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...
and Kyūshū. The
Korea Strait The Korea Strait is a sea passage in East Asia between Korea and Japan, connecting the East China Sea, the Yellow Sea and the Sea of Japan in the northwest Pacific Ocean. The strait is split by the Tsushima Island into the Western Channel and t ...
is composed of the Western Channel and the
Tsushima Strait or Eastern Channel (동수로 Dongsuro) is a channel of the Korea Strait, which lies between Korea and Japan, connecting the Sea of Japan, the Yellow Sea, and the East China Sea. The strait is the channel to the east and southeast of Tsushima ...
, on either side of
Tsushima Island is an island of the Japanese archipelago situated in-between the Tsushima Strait and Korea Strait, approximately halfway between Kyushu and the Korean Peninsula. The main island of Tsushima, once a single island, was divided into two in 1671 b ...
. The straits were formed in recent geologic periods. The oldest of them are the Tsugaru and Tsushima straits. Their formation had interrupted the migration of elephants into the Japanese islands at the end of the
Neogene The Neogene ( ), informally Upper Tertiary or Late Tertiary, is a geologic period and system that spans 20.45 million years from the end of the Paleogene Period million years ago ( Mya) to the beginning of the present Quaternary Period Mya. ...
Period (about 2.6 million years ago). The most recent is La Perouse Strait, which formed about 60,000 to 11,000 years ago closing the path used by mammoths which had earlier moved to northern Hokkaidō. All the straits are rather shallow with a minimal depth of the order of 100 meters or less. This hinders water exchange, thereby isolating the water and aquatic life of the Sea of Japan from the neighboring seas and oceans. The sea has a surface area of about , a mean depth of and a maximum depth of . It has a carrot-like shape, with the major axis extending from south-west to north-east and a wide southern part narrowing toward the north. The coastal length is about with the largest part () belonging to Russia. The sea extends from north to south for more than and has a maximum width of about .Sea of Japan
Great Soviet Encyclopedia The ''Great Soviet Encyclopedia'' (GSE; ) is one of the largest Russian-language encyclopedias, published in the Soviet Union from 1926 to 1990. After 2002, the encyclopedia's data was partially included into the later ''Bolshaya rossiyskaya e ...
(in Russian)
It has three major
basins Basin may refer to: Geography and geology * Depression (geology) ** Back-arc basin, a submarine feature associated with island arcs and subduction zones ** Debris basin, designed to prevent damage from debris flow ** Drainage basin (hydrology), a ...
: the ''Yamato Basin'' in the south-east, the ''Japan Basin'' in the north and the '' Tsushima Basin (Ulleung Basin)'' in the south-west.Sea of Japan
Encyclopædia Britannica on-line
The Japan Basin is of oceanic origin and is the deepest part of the sea, whereas the Tsushima Basin is the shallowest with the depths below . On the eastern shores, the
continental shelves A continental shelf is a portion of a continent that is submerged under an area of relatively shallow water, known as a shelf sea. Much of these shelves were exposed by drops in sea level during glacial periods. The shelf surrounding an island ...
of the sea are wide, but on the western shores, particularly along the Korean coast, they are narrow, averaging about . There are three distinct continental shelves in the northern part (above 44° N). They form a staircase-like structure with the steps slightly inclined southwards and submerged to the depths of , and . The last step sharply drops to the depths of about toward the central (deepest) part of the sea. The bottom of this part is relatively flat, but has a few plateaus. In addition, an underwater ridge rising up to runs from north to south through the middle of the central part. The Japanese coastal area of the sea consists of Okujiri Ridge, Sado Ridge, Hakusan Banks, Wakasa Ridge and Oki Ridge. Yamato Ridge is of continental origin and is composed of
granite Granite () is a coarse-grained (phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies undergro ...
,
rhyolite Rhyolite ( ) is the most silica-rich of volcanic rocks. It is generally glassy or fine-grained (aphanitic) in texture, but may be porphyritic, containing larger mineral crystals (phenocrysts) in an otherwise fine-grained groundmass. The mineral ...
,
andesite Andesite () is a volcanic rock of intermediate composition. In a general sense, it is the intermediate type between silica-poor basalt and silica-rich rhyolite. It is fine-grained (aphanitic) to porphyritic in texture, and is composed predomi ...
and
basalt Basalt (; ) is an aphanite, aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the planetary surface, surface of a terrestrial ...
. It has an uneven bottom covered with boulders of volcanic rock. Most other areas of the sea are of oceanic origin. Seabed down to is of continental nature and is covered with a mixture of mud, sand, gravel and fragments of rock. The depths between are covered in hemipelagic sediments (i.e., of semi-oceanic origin); these sediments are composed of blue mud rich in organic matter. Pelagic sediments of red mud dominate the deeper regions. There are no large islands in the sea. Most of the smaller ones are near the eastern coast, except for
Ulleungdo Ulleungdo (also spelled Ulreungdo; Hangul: , ) is a South Korean island 120 km (75 mi) east of the Korean Peninsula in the Sea of Japan, formerly known as the Dagelet Island or Argonaut Island in Europe. Volcanic in origin, the rocky s ...
(South Korea). The most significant islands are Moneron, Rebun, Rishiri, Okushiri, Ōshima, Sado, Okinoshima,
Ulleungdo Ulleungdo (also spelled Ulreungdo; Hangul: , ) is a South Korean island 120 km (75 mi) east of the Korean Peninsula in the Sea of Japan, formerly known as the Dagelet Island or Argonaut Island in Europe. Volcanic in origin, the rocky s ...
, Askold, Russky and Putyatin. The shorelines are relatively straight and are lacking large bays or capes; the coastal shapes are simplest for Sakhalin and are more winding in the Japanese
islands An island (or isle) is an isolated piece of habitat that is surrounded by a dramatically different habitat, such as water. Very small islands such as emergent land features on atolls can be called islets, skerries, cays or keys. An island ...
. The largest bays are
Peter the Great Gulf The Peter the Great Gulf (Russian: Залив Петра Великого) is a gulf on the southern coast of Primorsky Krai, Russia, and the largest gulf of the Sea of Japan. The gulf extends for from the Russian-North Korean border at the mout ...
,
Sovetskaya Gavan Sovetskaya Gavan (russian: Сове́тская Га́вань, lit. ''Soviet harbor'') is a town in Khabarovsk Krai, Russia, and a port on the Strait of Tartary which connects the Sea of Okhotsk in the north with the Sea of Japan in the south. P ...
; Vladimira Bay, Olga;
Posyet Bay The Possiet Gulf or Posyet Bay (Russian: Залив Посьета) is a bay in the south-western part of the Peter the Great Gulf, between the promontories of Suslov and Gamov. It stretches for 31 kilometres from northeast to southwest and for 3 ...
in Russia;
East Korea Bay __NOTOC__ The East Korea Bay ( ko, 동조선만, 동한만), also formerly known in English as Broughton Bay, is a bight in the east coast of North Korea and an extension of the Sea of Japan, located between the provinces of South Hamgyong and ...
in North Korea; and Ishikari (Hokkaidō),
Toyama Toyama may refer to: Places and organizations * Toyama Prefecture, a prefecture of Japan located in the Hokuriku region on the main Honshu island * Toyama, Toyama, the capital city of Toyama Prefecture * Toyama Station, the main station of Toyama, ...
(Honshū), and Wakasa (Honshū) Bays in Japan. Prominent capes include Lazareva, Peschanyi (sandy), Povorotny, Gromova,
Pogibi Pogibi (russian: Погиби) is a rural locality (a '' selo'') in Sakhalin Oblast, Russia. It is located at Cape Pogibi, the closest point on the island of Sakhalin to the Russian mainland, only 7.5 km across the Strait of Nevelskoy at th ...
, Tyk, and Korsakova in Russia; Crillon on
Sakhalin Sakhalin ( rus, Сахали́н, r=Sakhalín, p=səxɐˈlʲin; ja, 樺太 ''Karafuto''; zh, c=, p=Kùyèdǎo, s=库页岛, t=庫頁島; Manchu: ᠰᠠᡥᠠᠯᡳᠶᠠᠨ, ''Sahaliyan''; Orok: Бугата на̄, ''Bugata nā''; Nivkh: ...
; Sōya, Nosappu,
Tappi TAPPI is a registered not-for-profit, international Non-Governmental Organization of about 14,000 member engineers, scientists, managers, academics and others involved in the areas of pulp, and paper. In addition to pulp and paper, the TAPPI membe ...
, Nyuda, Rebun, Rishiri, Okushiri, Daso and
Oki Oki or Ōki may refer to: Places *Oki District, Shimane, a district in Shimane Prefecture, Japan *Oki Islands, an archipelago in the Sea of Japan *Oki Province, a former province of Japan *Ōki, Fukuoka, a town in southern Japan *Oki Airport, the ...
in Japan;A. D. Dobrovolskyi and B. S. Zalogi
Seas of USSR. Sea of Japan
Moscow University (1982) (in Russian)
and
Musu Dan Musu Point or Musu Dan ( ko, , , "Cape of the Dancing Water" or "Waters") is a North Korean headland in the middle of the country's eastern coast along the Sea of Japan. It forms the eastern side of North Hamgyong's Hwadae County and the norther ...
in North Korea. As world sea level dropped during the ice cap advances of the last Ice Age, the exit straits of the Sea of Japan one by one dried and closed. There is controversy as to whether or not in each ice cap advance the world sea level fell low enough for the deepest, the western channel of the
Korea Strait The Korea Strait is a sea passage in East Asia between Korea and Japan, connecting the East China Sea, the Yellow Sea and the Sea of Japan in the northwest Pacific Ocean. The strait is split by the Tsushima Island into the Western Channel and t ...
, to dry and close, turning the Sea of Japan into a huge cold inland lake with a surface layer of fresh water, freezing over in the winters. File:Январское побережье Японского моря в Хасанском районе.jpg, The Sea of Japan seen from the south of Slavyanka. From a distance, the two islands of Antipenko (left) and Sibiryakov (right). File:Бухта Сибирякова.jpg, A bay at
Sibiryakov Island Sibiryakov Island or Sibiryakow Island (russian: Остров Сибирякова, ''Ostrov Sibiryakova''), also known as Kuz'kin Island (Кузькин остров), is an island of . Its length is and its maximum width . It is covered with ...
, south from Vladivostok File:Закат на Воеводского.jpg, Sunset on near Vladivostok


Climate

The sea climate is characterized by warm waters and monsoons. This combination results in strong evaporation, which is especially noticeable between October and March when the strong ( or higher) north-western monsoon wind brings cold and dry continental air. The evaporation is blown further south causing snowfall in the mountainous western coasts of Japan. This winter monsoon brings typhoons and storms with the waves reaching which erode the western coasts of Japan.
Tsunami A tsunami ( ; from ja, 津波, lit=harbour wave, ) is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake. Earthquakes, volcanic eruptions and other underwater explo ...
waves were also recorded in the sea. In addition, the monsoon enhances the surface water convection, down to the depths of . The coldest months are January and February with the average air temperature of in the north and in the south. The northern one-quarter of the sea, particularly the Siberian coast and the Strait of Tartary, freezes for about 4−5 months. The timing and extent of freezing vary from year to year, so ice may start forming in the bays as early as in October and its remains may be seen even in June. Ice cover is continuous only in the bays and forms floating patches in the open sea. Ice melting in spring results in cold currents in the northern areas. In summer the wind weakens to and reverses its direction, blowing warm and humid air from the North Pacific onto the Asian mainland. The warmest month is August with the average air temperature of in the north and in the south. Annual precipitation increases from in the north-west to in the south-east. A peculiar turbulent cloud pattern, named von Kármán vortices, is sometimes observed over the Sea of Japan. It requires a stable field of low clouds driven by the wind over a small (isolated) and tall obstacle, and usually forms over small mountainous islands. The Sea of Japan meets these conditions as it has frequent winds and cloudy skies, as well as compact, tall islands such as Rishiri (),
Ulleungdo Ulleungdo (also spelled Ulreungdo; Hangul: , ) is a South Korean island 120 km (75 mi) east of the Korean Peninsula in the Sea of Japan, formerly known as the Dagelet Island or Argonaut Island in Europe. Volcanic in origin, the rocky s ...
() and Ōshima ().


Extent

The
International Hydrographic Organization The International Hydrographic Organization (IHO) is an intergovernmental organisation representing hydrography. , the IHO comprised 98 Member States. A principal aim of the IHO is to ensure that the world's seas, oceans and navigable waters a ...
defines the limits of the "Japan Sea" as follows:


Hydrology

The sea currents circulate in the counterclockwise direction. The Kuroshio (Japan Current), the Tsushima Current and the East Korea Warm Current bring warmer and more saline water to the north. There they merge into the Tsugaru Current and flow into the Pacific Ocean through the Tsugaru Strait. They also feed the Sōya Current and exit through the La Perouse Strait to the Sea of Okhotsk. The returning branch is composed of the Liman, North Korea and Central (or Mid-) Japan Sea currents which bring fresh and cold water along the Asian coast to the south. Water temperature is mostly affected by exchange with the atmosphere in the northern part of the sea and by the currents in the southern part. Winter temperatures are or below in the north and in the south. In this season, there is a significant temperature difference between the western and eastern parts owing to the circular currents. So at the latitude of Peter the Great Gulf, the water temperature is about in the west and in the east. This east-west difference drops to in summer, and the temperatures rise to in the north and in the south. As a result of the enclosed nature of the sea, its waters form clearly separated layers which may show seasonal and spatial dependence. In winter, the temperature is almost constant with the depth in the northern part of the sea. However, in central-southern parts, it may be down to , at , at and then remain at about until the bottom. Heating by the sun and tropical monsoons increases the depth gradient in spring–summer. In the north the surface layer (down to ) may heat up to . The temperature would sharply drop to at , then slowly decrease to at and remain so down to the seabed. On the contrary, the temperature in the south could gradually decrease to at , then to at and to at , but then it would rise to about near the bottom. This cold layer at about is formed by sinking of cold water in the northern part of the sea in winter and is brought south by the sea currents; it is rather stable and is observed all through the year. The hydrological isolation of the Sea of
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
also results in slightly lower average water salinity (34.09‰, where ‰ means parts per thousand) compared with the Pacific Ocean. In winter, the highest salinity at 34.5‰ is observed in the south where evaporation dominates over precipitation. It is the lowest at 33.8‰ in the south-east and south-west because of frequent rains and remains at about 34.09‰ in most other parts. Thawing of ice in spring reduces water salinity in the north, but it remains high at 34.60–34.70‰ in the south, partly because of the inflow of salty water through the
Korea Strait The Korea Strait is a sea passage in East Asia between Korea and Japan, connecting the East China Sea, the Yellow Sea and the Sea of Japan in the northwest Pacific Ocean. The strait is split by the Tsushima Island into the Western Channel and t ...
. A typical variation of salinity across the sea in summer is 31.5‰ to 34.5‰ from north to south. The depth distribution of salinity is relatively constant. The surface layer tends to be more fresh in the sea parts which experience ice melting and rains. The average water density is 1.0270 g/cm3 in the north and 1.0255 g/cm3 in the south in winter. It lowers in summer to 1.0253 and 1.0215 g/cm3, respectively. Few rivers flow into the Sea of
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
from mainland
Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area ...
, the largest being Tumen, Rudnaya, Samarga, Partizanskaya and Tumnin; all of them have mountainous character. In contrast, numerous large rivers flow from Honshū and Hokkaidō into the sea, including Japan's four largest rivers in the Shinano, Ishikari, Agano and Mogami. The total annual river discharge into the sea is and is relatively constant through the year, except for a minor increase in July. Most water (97% or ) flows into the sea through the Korea Strait and discharges through the Tsugaru (64% or , La Pérouse ) and Korea straits. Rainfall, evaporation and riverine inflow make only 1% of the water balance. Between October and April, the outflow exceeds the inflow due to the lower income through the Korea Strait; this balance reverses between May and September. The sea has complex
tide Tides are the rise and fall of sea levels caused by the combined effects of the gravity, gravitational forces exerted by the Moon (and to a much lesser extent, the Sun) and are also caused by the Earth and Moon orbiting one another. Tide t ...
s, which are induced by the tidal wave of the Pacific Ocean penetrating through the
Korea Strait The Korea Strait is a sea passage in East Asia between Korea and Japan, connecting the East China Sea, the Yellow Sea and the Sea of Japan in the northwest Pacific Ocean. The strait is split by the Tsushima Island into the Western Channel and t ...
and Tsugaru strait. The tides are semi-diurnal (rise twice a day) in the Korea Strait and in the northern part of the Strait of Tartary. They are diurnal at the eastern shore of Korea,
Russian Far East The Russian Far East (russian: Дальний Восток России, r=Dal'niy Vostok Rossii, p=ˈdalʲnʲɪj vɐˈstok rɐˈsʲiɪ) is a region in Northeast Asia. It is the easternmost part of Russia and the Asian continent; and is admini ...
and the Japanese islands of Honshū and Hokkaidō. Mixed tides occur in
Peter the Great Gulf The Peter the Great Gulf (Russian: Залив Петра Великого) is a gulf on the southern coast of Primorsky Krai, Russia, and the largest gulf of the Sea of Japan. The gulf extends for from the Russian-North Korean border at the mout ...
and Korea strait. The tidal waves have a speed of in the open sea. They accelerate in the Korea Strait (), La Pérouse Strait () and especially in the Tsugaru Strait (). The amplitude of the tides is relatively low and strongly varies across the sea. It reaches 3 meters in the south near the
Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...
Strait, but quickly drops northwards to at the southern tip of Korean Peninsula and to meters at the North Korean shores. Similar low tides are observed in Hokkaidō, Honshū and south Sakhalin. The amplitude however increases to toward the north of the Strait of Tartary due to its funnel-like shape. Apart from tides, the water level also experiences seasonal, monsoon-related variations across the entire sea with the highest levels observed in summer and lowest in winter. Wind may also locally change the water level by ; for example, it is higher in summer at the Korean and lower at the Japanese coasts. The sea waters have blue to green-blue color and a transparency of about . They are rich in
dissolved oxygen Oxygen saturation (symbol SO2) is a relative measure of the concentration of oxygen that is dissolved or carried in a given medium as a proportion of the maximal concentration that can be dissolved in that medium at the given temperature. It ca ...
, especially in the western and northern parts, which are colder and have more
phytoplankton Phytoplankton () are the autotrophic (self-feeding) components of the plankton community and a key part of ocean and freshwater ecosystems. The name comes from the Greek words (), meaning 'plant', and (), meaning 'wanderer' or 'drifter'. Ph ...
than the eastern and southern areas. The oxygen concentration is 95% of the saturation point near the surface, it decreases with the depth to about 70% at .


Flora and fauna

The high concentration of dissolved
oxygen Oxygen is the chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as wel ...
results in the rich aquatic life of the Sea of Japan – there are more than 800 species of aquatic plants and more than 3,500 animal species, including more than 900 species of crustaceans, about 1,000 of fish and 26 of mammals. The coastal areas contain several kg/m2 of biomass.
Pelagic The pelagic zone consists of the water column of the open ocean, and can be further divided into regions by depth (as illustrated on the right). The word ''pelagic'' is derived . The pelagic zone can be thought of as an imaginary cylinder or wa ...
(oceanic) fishes include
saury The saury (''Cololabis adocetus'') is a species of fish (not to be confused with the Pacific saury, another species in the genus ''Cololabis'') which is a member of the family Scomberesocidae, or the saury family. It is widespread in the Eastern P ...
, mackerel,
Jack mackerels Jack mackerels or saurels are marine fish in the genus ''Trachurus'' of the family Carangidae. The name of the genus derives from the Greek words ''trachys'' ("rough") and ''oura'' ("tail"). Some species, such as ''T. murphyi'', are harvested in ...
, sardines, anchovies, herring,
sea bream The Sparidae are a family of fish in the order Perciformes, commonly called sea breams and porgies. The sheepshead, scup, and red seabream are species in this family. Most sparids are deep-bodied compressed fish with a small mouth separated by a ...
, squid and various species of salmon and trout. The
demersal The demersal zone is the part of the sea or ocean (or deep lake) consisting of the part of the water column near to (and significantly affected by) the seabed and the benthos. The demersal zone is just above the benthic zone and forms a layer of ...
(sea-bottom) fishes include
cod Cod is the common name for the demersal fish genus '' Gadus'', belonging to the family Gadidae. Cod is also used as part of the common name for a number of other fish species, and one species that belongs to genus ''Gadus'' is commonly not call ...
,
pollock Pollock or pollack (pronounced ) is the common name used for either of the two species of North Atlantic marine fish in the genus ''Pollachius''. ''Pollachius pollachius'' is referred to as pollock in North America, Ireland and the United Kingd ...
and
Atka mackerel The Atka mackerel (''Pleurogrammus monopterygius'') is a mackerel in the family Hexagrammidae. Atka mackerel are common in the northern Pacific ocean, and are one of only two members of the genus '' Pleurogrammus'' - the other being the Arabe ...
. Mammals are represented by seals and whales (ancient name for the basin in Chinese was "Sea of Whales"), and the crustaceans by shrimps and crabs. Because of the shallow straits connecting the sea with Pacific Ocean, the Sea of Japan has no characteristic oceanic deep-water fauna. Flora and fauna unique to the region near the Sea of Japan are known as "Japan Sea elements".Kameda Y. & Kato M. (2011). "Terrestrial invasion of pomatiopsid gastropods in the heavy-snow region of the Japanese Archipelago". ''
BMC Evolutionary Biology ''BMC Ecology and Evolution'' (since January 2021), previously ''BMC Evolutionary Biology'' (2001–2020), is a peer-reviewed open access scientific journal covering all fields of evolutionary biology, including phylogenetics and palaeontology. It ...
'' 11: 118. .


Economy

Fishery had long been the main economic activity on the Sea of Japan. It is mainly carried out on and near the continental shelves and focuses on herring, sardines and bluefin tuna. These species are however depleted from after
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
. Squid is mostly caught near the sea center and salmon near the northern and south-western shores. There is also a well-developed seaweed production. The importance of the fishery in the sea is illustrated by the
territorial dispute A territorial dispute or boundary dispute is a disagreement over the possession or control of land between two or more political entities. Context and definitions Territorial disputes are often related to the possession of natural resources su ...
s between Japan and South Korea over
Liancourt Rocks The Liancourt Rocks, also known by their Korean name of Dokdo or their Japanese name of Takeshima,; ; . form a group of islets in the Sea of Japan between the Korean peninsula and the Japanese archipelago. The Liancourt Rocks comprise two ...
and between Japan and Russia over the
Kuril Islands The Kuril Islands or Kurile Islands (; rus, Кури́льские острова́, r=Kuril'skiye ostrova, p=kʊˈrʲilʲskʲɪjə ɐstrɐˈva; Japanese: or ) are a volcanic archipelago currently administered as part of Sakhalin Oblast in the ...
. It is also reflected in various legends, such as the legend of the Heishi rock, which says that once when herring vanished, an old fairy threw a bottle with magic water into the sea, and the herring returned. The bottle got stuck to the seabed and turned into a rock, which became a representation of the God of the Sea of Japan.かもめ島
Esashi Town Guide (in Japanese)
Vladivostok Vladivostok ( rus, Владивосто́к, a=Владивосток.ogg, p=vɫədʲɪvɐˈstok) is the largest city and the administrative center of Primorsky Krai, Russia. The city is located around the Zolotoy Rog, Golden Horn Bay on the Sea ...
is a base for the Russian whaling fleet. Although it operates in the northern seas, its production is processed and partly distributed in the Vladivostok area. Vladivostok is also a terminal point of the
Trans-Siberian Railway The Trans-Siberian Railway (TSR; , , ) connects European Russia to the Russian Far East. Spanning a length of over , it is the longest railway line in the world. It runs from the city of Moscow in the west to the city of Vladivostok in the ea ...
which brings many goods to and from this major port. There is a regular ferry service across the Strait of Tartary between the Russian continental port of Vanino and
Kholmsk Kholmsk (russian: Холмск), known until 1946 as Maoka ( ja, 真岡), is a port town and the administrative center of Kholmsky District of Sakhalin Oblast, Russia. It is located on the southwest coast of the Sakhalin Island, on coast of the gu ...
in Sakhalin. The sea has
magnetite Magnetite is a mineral and one of the main iron ores, with the chemical formula Fe2+Fe3+2O4. It is one of the oxides of iron, and is ferrimagnetic; it is attracted to a magnet and can be magnetized to become a permanent magnet itself. With the ...
sands as well as
natural gas Natural gas (also called fossil gas or simply gas) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane in addition to various smaller amounts of other higher alkanes. Low levels of trace gases like carbo ...
and
petroleum Petroleum, also known as crude oil, or simply oil, is a naturally occurring yellowish-black liquid mixture of mainly hydrocarbons, and is found in geological formations. The name ''petroleum'' covers both naturally occurring unprocessed crud ...
fields near the northern part of Japan and Sakhalin Island. The intensity of shipments across the sea is moderate, owing to the cold relations between many bordering countries. As a result, the largest Japanese ports are on the Pacific coast, and the significant ports on the Sea of Japan are Niigata, Tsuruta and
Maizuru is a city in Kyoto Prefecture, Japan. , the city had an estimated population of 78,644 in 34817 households and a population density of 230 persons per km². The total area of the city is . Geography Maizuru is located in northern Kyoto Pref ...
. Major South Korean ports are
Busan Busan (), officially known as is South Korea's most populous city after Seoul, with a population of over 3.4 million inhabitants. Formerly romanized as Pusan, it is the economic, cultural and educational center of southeastern South Korea, w ...
,
Ulsan Ulsan (), officially the Ulsan Metropolitan City is South Korea's seventh-largest metropolitan city and the eighth-largest city overall, with a population of over 1.1 million inhabitants. It is located in the south-east of the country, neighboring ...
, and
Pohang Pohang () is a city in the province of North Gyeongsang, South Korea, and a main seaport in the Daegu-Gyeongbuk region. The built-up area of Pohang is located on the alluvium of the mouth of the Hyeongsan River. The city is divided into two wa ...
situated on the south-eastern coast of the Korean Peninsula, but they also mainly target countries not bordering the Sea of Japan. The major
Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
n port of Vladivostok mainly serves inland cargos, whereas
Nakhodka Nakhodka ( rus, Нахо́дка, p=nɐˈxotkə) is a port city in Primorsky Krai, Russia, located on the Trudny Peninsula jutting into the Nakhodka Bay of the Sea of Japan, about east of Vladivostok, the administrative center of the krai. Po ...
and Vostochny are more international and have a busy exchange with
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
and
South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed ...
. Other prominent Russian ports are
Sovetskaya Gavan Sovetskaya Gavan (russian: Сове́тская Га́вань, lit. ''Soviet harbor'') is a town in Khabarovsk Krai, Russia, and a port on the Strait of Tartary which connects the Sea of Okhotsk in the north with the Sea of Japan in the south. P ...
, Alexandrovsk-Sakhalinsky and
Kholmsk Kholmsk (russian: Холмск), known until 1946 as Maoka ( ja, 真岡), is a port town and the administrative center of Kholmsky District of Sakhalin Oblast, Russia. It is located on the southwest coast of the Sakhalin Island, on coast of the gu ...
, and the major ports of North Korea are
Wonsan Wŏnsan (), previously known as Wŏnsanjin (), Port Lazarev, and Genzan (), is a port city and naval base located in Kangwŏn Province, North Korea, along the eastern side of the Korean Peninsula, on the Sea of Japan and the provincial capital. ...
,
Hamhung Hamhŭng (''Hamhŭng-si''; ) is North Korea's second-largest List of cities in North Korea, city, and the capital of South Hamgyong, South Hamgyŏng Province. It has an estimated population of 768,551. Located in the southern part of the South Ham ...
and
Chongjin Chŏngjin (; ) is the capital of North Korea's North Hamgyong Province (함경북도) and the country's third largest city. It is sometimes called the ''City of Iron''. History Prehistory According to archaeological findings near the lower ...
. The intensity of shipments across the Sea of Japan is steadily increasing as a result of the growth of East Asian economies.


See also

*
Geography of Japan Japan is an archipelagic country comprising a stratovolcanic archipelago over along the Pacific coast of East Asia. It consists of 6,852 islands. The five main islands are Hokkaido, Honshu, Kyushu, Shikoku and Okinawa. There are 6,847 remote i ...
*
Geography of Korea Korea comprises the Korean Peninsula (the mainland) and 3,960 nearby islands. The peninsula is located in Northeast Asia, between China and Japan. To the northwest, the Amnok River (Yalu River) separates Korea from China and to the northeast, ...
**
Geography of North Korea North Korea is located in East Asia in the Northern half of Korea, partially on the Korean Peninsula. It borders three countries: China along the Yalu (Amnok) River, Russia along the Tumen River, and South Korea to the south. Topography and dra ...
**
Geography of South Korea South Korea is located in East Asia, on the southern portion of the Korean Peninsula located out from the far east of the Asian landmass. The only country with a land border to South Korea is North Korea, lying to the north with of the border ...
*
Geography of Russia Russia (russian: link=no, Россия) is the largest country in the world, covering over 17,125,192 km2 (6,612,074 sq mi), and encompassing more than one-eighth of Earth's inhabited land area. Russia extends across eleven time zones, and ha ...
* :Islands of the Sea of Japan


References

This article incorporates CC-BY-2.0 text from this reference:


Further reading

* Fukuoka N. (1966). "On the distribution patterns of the so-called Japan Sea elements confined to the Sea of Japan region". ' 15: 63–80.


External links

* *
"The Issue of Name "Sea of Japan""
MOFA, Japan, 7 February 2017.  ** MOFA, Japan (10 August 2021)
"Sea of Japan - The one and only name recognized by the international community" (Digest version)
''YouTube''. {{Authority control Miocene Asia Marine ecoregions Temperate Northern Pacific