ÅŒnohara Islands on:
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The are a group of
World Who Is Who and Does What in Environment and Conservation page 224
Retrieved September 11, 2017
Quaternary Volcanoes in Japan
* * {{DEFAULTSORT:Onohara-Jima Izu Islands Uninhabited islands of Japan Extinct volcanoes of Asia Stacks of Japan Islands of Tokyo Pleistocene lava domes Lava domes of Japan
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 ...
deserted islands located 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 ...
approximately south of Tokyo
Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...
and west of Miyake-jima
is a Volcano, volcanic island in the Izu Islands, Izu archipelago in the Philippine Sea approximately southeast of Tokyo, Japan. As with the other islands in the Izu Island group, Miyake-jima forms part of the Fuji-Hakone-Izu National Park.
...
, in the northern portion of the Izu archipelago, Japan
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
. The group is also known as from its profile.
Geography
ÅŒnohara-jima consists of nine main islets and several smaller rocks and stacks. The island is the remnant of anandesite
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 predomina ...
lava dome
In volcanology, a lava dome is a circular, mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano. Dome-building eruptions are common, particularly in convergent plate boundary settings. Around 6% of eruptions ...
with sheer sides, the only visible portion of a submarine volcanic caldera. The above sea-level portion has a surface area of approximately 0.2 square kilometers, with a summit height of on the main islet of .
Located in the 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 ...
, the area has abundant sea life, and is popular with sports fishermen and scuba divers.
During the Korean War
The Korean War (25 June 1950 – 27 July 1953) was an armed conflict on the Korean Peninsula fought between North Korea (Democratic People's Republic of Korea; DPRK) and South Korea (Republic of Korea; ROK) and their allies. North Korea was s ...
, aircraft of the US Air Force
The United States Air Force (USAF) is the Air force, air service branch of the United States Department of Defense. It is one of the six United States Armed Forces and one of the eight uniformed services of the United States. Tracing its ori ...
used ÅŒnohara-jima as a bombing range, endangering the 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 ...
, a rare seabird that breeds on ÅŒnohara-jima. The bombing was stopped after Jack Moyer wrote a letter to an associate of then-US President Harry S. Truman
Harry S. Truman (May 8, 1884December 26, 1972) was the 33rd president of the United States, serving from 1945 to 1953. As the 34th vice president in 1945, he assumed the presidency upon the death of Franklin D. Roosevelt that year. Subsequen ...
.Polunin, NicholaWorld Who Is Who and Does What in Environment and Conservation page 224
Retrieved September 11, 2017
See also
*Izu Islands
The are a group of volcanic islands stretching south and east from the Izu Peninsula of Honshū, Japan. Administratively, they form two towns and six villages; all part of Tokyo Prefecture. The largest is Izu Ōshima, usually called simply Ōsh ...
* Desert island
An uninhabited island, desert island, or deserted island, is an island, islet or atoll which lacks permanent human population. Uninhabited islands are often depicted in films or stories about shipwrecked people, and are also used as stereotypes ...
* 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 is any significant accumulation of water on the surface of Earth or another planet. The term most often refer ...
References
External links
Quaternary Volcanoes in Japan
* * {{DEFAULTSORT:Onohara-Jima Izu Islands Uninhabited islands of Japan Extinct volcanoes of Asia Stacks of Japan Islands of Tokyo Pleistocene lava domes Lava domes of Japan