Its already rich archipelago Japan gained another island, after an undersea volcanic eruption 1,200 kilometers south of Tokyo created a new area.
The tiny one island It came after a series of eruptions that began last month near Ivoto Island, part of the Ogasawara island group in the western Pacific, experts said.
Fukashi Maeno, from the University of Tokyo’s Institute for Earthquake Research, confirmed that a series of phreatomagmatic eruptions – resulting from the interaction between magma and water – occurred within about one kilometer of Ivoto, forming a new land mass 100 meters in diameter.
Maeno, who had flown over the site in late October, told the Kyodo news agency that every few minutes during the eruptions, plumes of smoke and ash rose more than 50 meters high.
Also, due to the underwater volcanic activity, large pieces of rock were thrown into the air, while the spot had changed color, due to the brown pumice that was floating in large quantities in this marine area.
According to Maenos, the recent creation of this small island proves that magmatic activity has returned to the area.
The new island may grow in size and change shape if the eruptions continue, and may also disappear beneath the waves, according to Guardian.
Similar islet formations in the same way were recorded in this area in 1904, 1914 and 1986. All those islets, however, disappeared due to erosion as, due to their composition of ash and rock fragments, they could not long withstand the incessant hammering of wild waves.
Iwoto, or better known Iwo Jima until 2007 when it was renamed, theater of one of the bloodiest battles of the Second World War, is one of the 111 active volcanoes of Japan.
Source: News Beast
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