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Nishino-shima volcano
caldera, submarine volcano approx 70 m / 215 ft (currently growing)
Volcano Islands, Japan, 27.27°N / 140.88°E

Nishino-shima webcams / live data
Nishino-shima volcano eruptions:
1985(?), 1982(?), 1980(?), 1978(?), 1975(?), 1973-74
Typical eruption style:
explosive
Last earthquakes nearby

Niijima and Nishino-Jima islands merge (Japan)

Friday Dec 27, 2013 07:03 AM | BY: T

The two islands of Nishino-Jima (t) and Niijima (b) have merged.
The two islands of Nishino-Jima (t) and Niijima (b) have merged.
The recently born new Niijima island merged with the main island Nishino-Jima yesterday. Both are in fact two summits of the same volcanic edifice. Activity continues to enlarge the new land by lava flows and occasional strombolian explosions.
The video from the day before, taken by Japanese Coast Guard, shows the situation immediately before the "contact".
Previous news
The new volcanic island off Nishino-Shima in Japan continues to grow and might merge wih the main island
Monday, Dec 23, 2013
The new volcanic island continues to grow thanks to active lava flows and has now reached more than 50 meters and surpassed its mother island in height. Its continuing growth also makes it be at only about 50 meters shallow water distance from the Nishin-Jima island and it seems it might merge with it, rather than remaining an own new island, if activity continues. ... [more]
The new island at Nishino-Shima with the first cone (21-25 Nov, yellow), and the two lava deltas that formed in late Nov-10 Dec (right) and the second delta (l) that formed during 10-13 Dec
Monday, Dec 16, 2013
Activity continues at the new island and has apparently picked up in strength again. Lava flows have created a significant new delta of new land during the past 3 days, enlarging the island to a current width measuring approx. 400 (E-W) by 300 (N-S) meters. ... [more]
Comparison of the new Island off Nishino-shima between 20 Nov (surtseyan activity) and 10 Dec (end of strombolian and effusive? activity) (screenshots and annotations by Blog Culture Volcan)
Thursday, Dec 12, 2013
Activity has decreased significantly over the past days. A video from 10 December shows no more strombolian explosions, only degassing and no significant changes to the size of the island compared to a week ago. It is possible that there is still weak effusion of lava, but it appears that the eruption could have come to an end. ... [more]
Thermal image showing the active lava flows on the new island at Nishino-Shima
Monday, Dec 09, 2013
The new island continues to grow slowly, increasing its surface by lava flows in all directions. Its diameter is now approx 300 meters. ... [more]

Tuesday, Dec 03, 2013
The new island continues to erupt and grow, increasing its chances of long-time survival by the day. The active vent on the islet continues to be in strombolian eruption and has by now built a new cone that is higher than the main island itself (which is 38 m). ... [more]

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