is a
volcanic
A volcano is a rupture 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 found where tectonic plates a ...
,
deserted island
A desert island, deserted island, or uninhabited island, is an island, islet or atoll that is not permanently populated by humans. Uninhabited islands are often depicted in films or stories about shipwrecked people, and are also used as stereoty ...
located in the
Philippine Sea approximately south of
Tokyo
Tokyo (; ja, 東京, , ), officially the Tokyo Metropolis ( ja, 東京都, label=none, ), is the capital and List of cities in Japan, largest city of Japan. Formerly known as Edo, its metropolitan area () is the most populous in the world, ...
and southwest of
Mikura-jima
is a volcanic Japanese island in the Pacific Ocean. Nussbaum, Louis-Frédéric. (2005)"''Izu Shotō'',"''Japan Encyclopedia,'' p. 412. The island is administered by Tōkyō Metropolis and is located approximately south of Tokyo and south-s ...
, in the center of the
Izu archipelago,
Japan.
Geography
The island is an
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 predo ...
pillar
A column or pillar in architecture and structural engineering is a structural element that transmits, through compression, the weight of the structure above to other structural elements below. In other words, a column is a compression member. ...
with sheer sides, the only visible portion of a submarine
volcanic caldera
A caldera ( ) is a large cauldron-like hollow that forms shortly after the emptying of a magma chamber in a volcano eruption. When large volumes of magma are erupted over a short time, structural support for the rock above the magma chamber is ...
. The above sea-level portion has a surface area of approximately 0.005 square kilometers, with a summit height of . Located in the
Kuroshio Current
The , also known as the Black or or the 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 ...
, the area has abundant sea life, and is popular with sports fishermen and scuba divers.
See also
*
Izu Islands
*
Desert island
A desert island, deserted island, or uninhabited island, is an island, islet or atoll that is not permanently populated by humans. Uninhabited islands are often depicted in films or stories about shipwrecked people, and are also used as stereot ...
*
List of islands
This is a list of the lists of islands in the world grouped by country, by continent, by body of water
A body of water or waterbody (often spelled water body) is any significant accumulation of water on the surface of Earth or another plan ...
External links
Quaternary Volcanoes in Japan*
*
{{Authority control
Izu Islands
Uninhabited islands of Japan
Extinct volcanoes
Stacks of Japan
Islands of Tokyo
Pleistocene lava domes