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Fukutoku-Okanoba is a submarine volcano 5 km NE of the small pyramidal island Minami-iwo-jima in the Japanese Volcano Island chain. Eruptions and submarine hydrothermal activity often cause water discoloration in the area, and during eruptions, the volcano has built several temporary new islands. The first observation of a new island was in 1904-05 when it formed Shin-Iwo-jima ("New Sulfur Island"). Small new islands were also formed during the eruptions in 1914 and 1986. submarine volcano -14 m / -46 ft Volcano Islands, Japan, 24.28°N / 141.49°E Current status: normal or dormant (1 out of 5)| ReportsFukutoku-Okanoba volcano books
Fukutoku-Okanoba volcano eruptions:2010, 2005-07, 1995(?), 1993(?), 1992, 1991(?), 1987(?), 1986, 1976(?), 1974, 1973,
1972(?), 1968(?), 1967(?), 1963(?), 1962(?), 1960(?), 1959(?), 1958(?), 1956(?), 1955(?), 1954(?), 1953(?), 1952(?), 1950(?), 1914, 1904-05 Typical eruption style:explosive Last earthquakes nearbyLatest satellite images   Map of the volcanoes in the Izu-Marianas volcanoc arc stretchung SSE from Japan (map: Japanese coast guard). Fukutokuokanoba undersea volcano eruption news
Thu, 18 Oct 2012, 08:50 A report on Tuesday about an eruption at the volcano is false. The volcano last erupted in 2010.
Wed, 17 Oct 2012, 08:50 An underwater volcanic eruption was detected on Tuesday morning, October 16th by a Coast Guard Vessel near Minami-Iwoto Island. ...moreThe Coast Guard vessel said that a column of white smoke was seen rising from the sea about 3 miles from Minami-Iwoto island. [ less] [ read all] Sun, 3 Jul 2005, 22:21 
Press photos distributed by the Japanese Coast Guard, showing the site of a probable undersea eruption of Futuku-okanoba submarine volcano on 3 July 2005. Note the discoloration of the sea-water, as well as floating peices of steaming lava blocks on the surface. A submarine volcano erupted in Japan. It is located about 6 kilometers north-northeast of Minami-Iwojima island in Ogasawaramura (about 1,300 kilometers from Tokyo).
On the evening of 2 July, the Japanese coast guard spotted large amounts of steam rising to about 1 km height above the sea at the site of the submarine volcano, as well as a strong discoloration of the water. On photos taken on 3 July, porous, steaming lava blocks are appearing on the surface of the sea. Ships are advised to avoid the area. ...moreThe volcano, known under the mane of Futuku-okanoba, has frequently had similar eruptions recorded during the past century, some of which have created temporary islands, last during an eruption in January 1986 that created a crescent-shaped island, which sank in March 1986. The last eruption at Futuku-Okanoba took place in 1992. Discoloration of the water above the volcano is observed frequently, probably die to intense hydrothermal activity. [ less] More on VolcanoDiscovery: Introduction to Plate Tectonics: The Earth's upper, rigid layer is broken into several plates which are in constant motion to one another. Most earthquakes and volcanoes occur as result of these plate boundaries.  A selection of photos of different features: lava flows, lava fountains, lava lakes, fumaroles and more.  List and map of all volcanoes in Africa. Most volcanoes are located in the Great Rift Valley, but there are more.  Do you know which is the biggest volcano in the world? |
