is a

volcanic A volcano is commonly defined as a vent or fissure in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most often fo ...

Japanese island in the

Philippine Sea The Philippine Sea is a List of seas#Marginal seas by ocean, marginal sea of the Pacific Ocean, Western Pacific Ocean east of the list of islands of the Philippines, Philippine Archipelago (hence the name) and the List of seas#Largest seas ...

. Nussbaum, Louis-Frédéric. (2005)
"''Izu Shotō'',"
''Japan Encyclopedia,'' p. 412. The island is administered by

Tōkyō Tokyo, officially the Tokyo Metropolis, is the capital and most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is one of the most populous urban areas in the world. The Greater Tokyo Area, which ...

and located approximately south of Tōkyō and south of Shimoda

Shizuoka Prefecture is a Prefectures of Japan, prefecture of Japan located in the Chūbu region of Honshu. Shizuoka Prefecture has a population of 3,555,818 and has a geographic area of . Shizuoka Prefecture borders Kanagawa Prefecture to the east, Yamanashi Pref ...

. It is one of the Izu Seven Islands, group of the seven northern islands of the Izu archipelago. The island is the smaller inhabited component of the village of

Niijima is a volcano, volcanic Islands of Japan, Japanese island administered by the Tokyo Metropolitan Government. It is one of the Izu Seven Islands, group of the seven northern islands of the Izu Islands, Izu archipelago, and is located approximate ...

, which also contains the larger, neighboring island of

and the smaller, uninhabited Jinai-tō. It is part of the Ōshima Subprefecture of Tokyo Metropolis. , the island's population was 600. Shikinejima is also within the boundaries of the

Fuji-Hakone-Izu National Park is a national park in Yamanashi, Shizuoka, and Kanagawa Prefectures, and western Tokyo Metropolis, Japan. It consists of Mount Fuji, Fuji Five Lakes, Hakone, the Izu Peninsula, and the Izu Islands. Fuji-Hakone-Izu National Park covers . Rat ...

Geology

Shikine-jima has an irregular and highly indented coastline with many small bays. The interior of the island is of low elevation, rising to 99 m above sea level at and to , near , the highest elevation on the island. Shikinejima is approximately 3 km long by 2.5 km wide. Signs of geothermal activity can be found along the southern coast where hot springs occur. The legend that Niijima and Shikinejima were formerly one island, and were separated by a giant

tsunami A tsunami ( ; from , ) 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 underwater explosions (including detonations, ...

triggered by the

1703 Genroku earthquake The occurred at 02:00 local time on December 31 (17:00 December 30 UTC). The epicenter was near Edo, the forerunner of present-day Tokyo, in the southern part of the Kantō region, Japan. An estimated 2,300 people were killed by the destruction ...

has no basis in geology.

Important Bird Area

The island, along with Nii-jima and some uninhabited islets nearby, have been recognised as an

Important Bird Area An Important Bird and Biodiversity Area (IBA) is an area identified using an internationally agreed set of criteria as being globally important for the conservation of bird populations. IBA was developed and sites are identified by BirdLife Int ...

(IBA) by

BirdLife International BirdLife International is a global partnership of non-governmental organizations that strives to conserve birds and their habitats. BirdLife International's priorities include preventing extinction of bird species, identifying and safeguarding i ...

because they support populations of

Japanese murrelet The Japanese murrelet or crested murrelet (''Synthliboramphus wumizusume'') is a small seabird in the auk family that occurs along the remote rocky coasts and in the offshore waters of Japan, and may also be found after the breeding season as far ...

Japanese wood pigeon The black wood pigeon or Japanese wood pigeon (''Columba janthina'') is a species of bird in the family Columbidae. It is found in East Asia along shorelines of the Pacific's Korea Strait, Philippine Sea and East China Sea. It is believed to be ...

Pleske's grasshopper warbler Styan's grasshopper warbler (''Helopsaltes pleskei''), also known as Pleske's grasshopper warbler and Taczanowski's warbler, is a species of Old World warbler in the family Locustellidae. It breeds in eastern Siberia to Korea, Kyushu and Izu Isl ...

Ijima's leaf-warbler Ijima's leaf warbler (''Phylloscopus ijimae'') (also known as Izu leaf warbler, Ijima's willow warbler or Ijima's warbler) is a species of Old World warbler in the family Phylloscopidae. The species is native to Japan, where it has been Cultural P ...

s and

Izu thrush The Izu thrush or Izu Islands thrush (''Turdus celaenops'') is a bird of the thrush family native to Japan. Behavior Feeding Izu thrushes eat small animals, such as earthworms and insects, and fruits, like cherries or mullberries. Breeding Th ...

es.

History

The history of human settlement on Shikine-jima dates to prehistoric times, and archaeologists have found number remains from the

Jōmon period In Japanese history, the is the time between , during which Japan was inhabited by the Jōmon people, a diverse hunter-gatherer and early agriculturalist population united by a common culture, which reached a considerable degree of sedentism an ...

on the island. With plentiful water and seafood from the warm

Kuroshio Current The , also known as the Black Current or is a north-flowing, warm ocean current on the west side of the North Pacific Ocean basin. It was named for the deep blue appearance of its waters. Similar to the Gulf Stream in the North Atlantic, the Ku ...

, there is a continuous record of habitation on the island from the

Heian period The is the last division of classical Japanese history, running from 794 to 1185. It followed the Nara period, beginning when the 50th emperor, Emperor Kammu, moved the capital of Japan to Heian-kyō (modern Kyoto). means in Japanese. It is a ...

through the

Edo period The , also known as the , is the period between 1600 or 1603 and 1868 in the history of Japan, when the country was under the rule of the Tokugawa shogunate and some 300 regional ''daimyo'', or feudal lords. Emerging from the chaos of the Sengok ...

. Convict boats on their way to or from

Hachijō-jima is a volcano, volcanic Islands of Japan, Japanese island in the Philippine Sea. It is about south of the special wards of Tokyo. It is part of the Izu Islands, Izu archipelago and within the Fuji-Hakone-Izu National Park. Its only municipalit ...

frequently spotted at Shikine-jima waiting for favorable winds. In the

Meiji period The was an era of Japanese history that extended from October 23, 1868, to July 30, 1912. The Meiji era was the first half of the Empire of Japan, when the Japanese people moved from being an isolated feudal society at risk of colonizatio ...

, the island was base for

commercial fishing Commercial fishing is the activity of catching fish and other seafood for Commerce, commercial Profit (economics), profit, mostly from wild fisheries. It provides a large quantity of food to many countries around the world, but those who practice ...

and salt production. In the modern period, tourism based on sports fishing, hot spring resorts, and water sports dominates the economy. Access to Shikine-jima is by ferry from Takeshiba Sanbashi Pier in Tokyo, operated by Tokai Kisen. Ferries also leave from Shimoda

. A village operated ferry also makes several daily crossings between Niijima and Shikinejima. The crossing is approximately 10 minutes.

Education

The island has one elementary school, Shikinejima Elementary School and one junior high school, Shikinejima Junior High School. High school students either travel by ferry, daily, to Niijima to attend Niijima High School or attend a

boarding school A boarding school is a school where pupils live within premises while being given formal instruction. The word "boarding" is used in the sense of "room and board", i.e. lodging and meals. They have existed for many centuries, and now extend acr ...

elsewhere.

References

External links