Tokyo: A volcanic eruption has raised an island in the seas to the far south of Tokyo, the Japanese coast guard and earthquake experts said.
Advisories from the coast guard and the Japan Meteorological Agency said the islet is about 200 meters (660 feet) in diameter. It is just off the coast of Nishinoshima, a small, uninhabited island in the Ogasawara chain, which is also known as the Bonin Islands.
The approximately 30 islands are 1,000 kilometres south of Tokyo, and along with the rest of Japan are part of the seismically active Pacific "Ring of Fire."
The news of yet another tiny bit of new territory was The coast guard on Wednesday issued an advisory warning of heavy black smoke from the eruption. Television footage seen on Thursday showed heavy smoke, ash and rocks exploding from the crater, as steam billowed into the sky.
A volcanologist with the coast guard, Ito Hiroshi, told the FNN news network that it was possible the new island might be eroded away.
"But it also could remain permanently," he said. The last time the volcanos in the area are known to have erupted was in the mid-1970s. Much of the volcanic activity occurs under the sea, which extends thousands of meters deep along the Izu-Ogasawara-Marianas Trench.
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