Original Link: http://www.fnn-news.com/news/headlines/articles/CONN00258215.html Japan Coast Guard has called for vigilance as ships heed "navigation warning", passing through the vicinity. It was confirmed in Nishinoshima near the Ogasawara Islands. Japan Coast Guard have taken the latest video of the island has made black ash plume, You can also check how the rock seen the video that the 20th, Japan Coast Guard caught a state in which the "new island" appeared, and black plume rise spout with explosion, and jumped out at the same time, scattered in all directions. The diameter of the island, about 200 meters. Includes the volcanic ash, the plume rises from the surface of the island, because it contains mainly steam is observed intermittently, black plume associated with explosion, that looks white. about 1,000 km to the south, where the island has appeared, 500 meters south-southeast near the uninhabited island of the Ogasawara Islands, Nishinoshima from Tokyo. 20 at around 10:00 am, there is a report "plume is rising" and the Japan Meteorological Agency from the Maritime Self-Defense Force, 17 minutes 4:00 pm, I was sure that the Japan Coast Guard, new island has emerged. In about two months ago, just after the large earthquake of magnitude 7.7 occurred in Pakistan, suddenly, the island appeared. In this case, it is observed crustal movement could take the credit but, eruption and takes place in "submarine volcano, occasionally, even. Near Japan Niijima that these are now available, Hiroshi Ito volcano investigators Japan Coast Guard after the war 4 The story was about five times - is a "has been observed Niijima like this. In the video, or the impact of submarine volcano, around the new island, how are discolored the color greenish seawater can be confirmed, this island, that there is a possibility that disappear after a short period of time. There is a possibility that it remains this ", it is cut by wave, gone. Simply, such as lava flows, and or covered with hard lava on, it lasts a long time, Ito investigators may remain as an island I said.Be subjected to 1973-1974 years eruption occurred in the waters around the Nishinoshima. May in this effect, a new island is formed, since this, eruption that was 40 years ago. As there is a possibility that the eruption will occur in the future, the Japan Meteorological Agency announced a "crater alarm".

• published: 21 Nov 2013
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