Fukutoku-Okanoba
Encyclopedia
Fukutoku-Okanoba is a submarine volcano
that is part of the Volcano Islands
in the Bonin Islands of Japan
. It is located 5 kilometers northeast of the island of South Iwo Jima
.
island named Shin-Iwo-jima (New Sulfur Island). Other ephemeral islands have also formed, the most recent of which formed in 1986.
The most recent eruption of Fukutoku-Okanoba was in 2005, when the Japanese coast guard spotted steam rising one kilometer above the ocean and water discoloration of the surrounding area.
Submarine volcano
Submarine volcanoes are underwater fissures in the Earth's surface from which magma can erupt. They are estimated to account for 75% of annual magma output. The vast majority are located near areas of tectonic plate movement, known as ocean ridges...
that is part of the Volcano Islands
Volcano Islands
The Volcano Islands is a group of three Japanese islands south of the Bonin Islands that belong to the municipality of Ogasawara...
in the Bonin Islands of Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...
. It is located 5 kilometers northeast of the island of South Iwo Jima
South Iwo Jima
South Iwo Jima is the southernmost island of the Volcano Islands group of the Ogasawara Islands, 60 km south of Iwo Jima. It is 1300 km south of Tokyo, 330 km SSW of Chichijima. Its area is 3.4 km², shore length, 7.5 km, and highest point 916m, the highest in the...
.
History
The earliest recorded eruption of Fukutoku-Okanoba in 1904 formed an ephemeralEphemeral
Ephemeral things are transitory, existing only briefly. Typically the term is used to describe objects found in nature, although it can describe a wide range of things....
island named Shin-Iwo-jima (New Sulfur Island). Other ephemeral islands have also formed, the most recent of which formed in 1986.
The most recent eruption of Fukutoku-Okanoba was in 2005, when the Japanese coast guard spotted steam rising one kilometer above the ocean and water discoloration of the surrounding area.