It is a rare view of the birth of a tiny new island.
In this aerial photo, plume billows from the water off the Ioto island, seen rear, following an eruption in Ogasawara, southern Tokyo, Japan, on Oct. 30, 2023. An unnamed undersea volcano, located about 1 kilometer off the southern coast of Iwo Jima, which Japan calls Ioto, started its latest series of eruptions on Oct. 21. three weeks ago, providing a rare view of the birth of a tiny new island, but experts say it may not last very long.
Within 10 days, volcanic ash and rocks piled up on the shallow seabed, its tip rising above the sea surface. By early November, it became a new island about 100 meters in diameter and as high as 20 meters above the sea, according to Yuji Usui, an analyst in the Japan Meteorological Agency's volcanic division.
Volcanic activity at the site has since subsided, and the newly formed island has somewhat shrunk because its “crumbly” formation is easily washed away by waves, Usui said. In 2013, an eruption at Nishinoshima in the Pacific Ocean south of Tokyo led to the formation of a new island, which kept growing during a decade-long eruption of the volcano.in Pakistan. In 2015, a new island was formed as a result of a month-long eruption of a submarine volcano off the coast of Tonga.
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