Nishino-shima volcano news & activity updates:
Nishino-shima volcano (Japan): old island has disappeared under fresh lava
Saturday Oct 11, 2014 21:37 PM | BY: T
Landsat 8 satellite image showing the Nishino-shima island on 8 Oct; white lines=contour of old island now covered by fresh lava flows (annotation: Culture Volcan)
The volcanic eruption on the remote island continues. A recent satellite image that the lava flows from the active vent(s) have now covered the older part of the island, the original tiny Nishino-Shima island.The ongoing eruption had started as a submarine eruption almost one year ago, when it built a second island to the SE of the existing one. In early January this year, the growing new island had merged with the old one, and has been growing in size ever since.
Culture Volcan Blog posted the attached Landsat 8 photo from 8 Oct which shows that the old Nishino-Shima island has now disappeared under fresh lava flows.
Since late June-early July, the lava flows had been spreading northwards, covering more and more of the older land.
The surface of Japan's newest land is approximately 6 square km.
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Previous news
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Friday, Sep 12, 2014
Lava flows continue to be active and enlarge the growing island. During the past weeks, these have contributed to the growth of a platform towards the north of the active vents.
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Sunday, Aug 31, 2014
The island remains active and continues to grow as lava flows add new land to it. The Japanese Coast Guard made another survey flight on 26 August and observed ongoing effusive and explosive activity in the main crater. ...
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Monday, Jul 28, 2014
Activity at the growing island continues, perhaps even with increased intensity, judging from the recent pictures obtained by the Japanese Coast Guard on 23 July: ...
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Wednesday, Jul 16, 2014
The currently fastest growing island of the world remains active, with both effusive (lava flows enlarging the island) and explosive activity (strombolian and phreatomagmatic = water-magma explosions). ...
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Monday, Jun 30, 2014
An explosive event occurred last night at the growing island volcano. VAAC Tokyo reported an ash plume at 10,000 ft (3 km) altitude drifting to the northeast.
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