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▼ A Volcanic Eruption Has Created A New Island Off Japan, But It May Not Last
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An undersea volcano erupted off Japan three weeks ago, providing a rare view of the birth of a tiny new island, but experts say it may not last very long.
The unnamed undersea volcano, located about 1 kilometer (half a mile) off the southern coast of Iwo Jima, which Japan calls Ioto, started its latest series of eruptions on Oct. 21.
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 (328 feet) in diameter and as high as 20 meters (66 feet) above the sea, according to Yuji Usui, an analyst in the Japan Meteorological Agency’s volcanic division.
Volcanic activity has increased near Iwo Jima and similar undersea eruptions have occurred in recent years, but the formation of a new island is a significant development, Usui said.
The unnamed undersea volcano, located about 1 kilometer (half a mile) off the southern coast of Iwo Jima, which Japan calls Ioto, started its latest series of eruptions on Oct. 21.
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 (328 feet) in diameter and as high as 20 meters (66 feet) above the sea, according to Yuji Usui, an analyst in the Japan Meteorological Agency’s volcanic division.
Volcanic activity has increased near Iwo Jima and similar undersea eruptions have occurred in recent years, but the formation of a new island is a significant development, Usui said.
- November 10, 2023
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