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Nishino-Shima volcano (Izu Islands, Japan): new island continues to erupt and build a new cone (video)

Sat, 23 Nov 2013, 16:41
16:41 PM | BY: T
The eruption in Japan's remote Izu island chain that created a new island the day before yesterday continues. It has already built a small cone with its crater isolated from sea-water access.
As a result, the eruption has changed in style from surtseyan (explosive magma-water interaction) to strombolian. Japanese Coast Guard observed the growing island on an aerial survey today (see video). The preliminary name of the island is "Nii-jima" ("the brother mountain").
It currently has two active craters. Explosions were observed to occur at intervals of 2-3 minutes with jets of scoria and ash reaching up to 750 m height. The sea water around Nii-Jima is discolored due to ash and gasses in solution.

Previous news

Wed, 20 Nov 2013, 22:07

Nishima-Shima volcano (Japan): submarine volcanic eruption gives birth to new island

Surtseyan activity near Nishima-Shima Island where a new island was formed (Japanese Coast Guard via Blog Culture Volcan)
A new island was born today in the Pacific Ocean in Japan's Izu (or Volcano) island chain. It is produced by a new submarine eruption which is currently taking place about 500 m southeast of Nishino-Shima island. ... Read all
Wed, 20 Nov 2013, 06:00

Nishinoshima volcano (Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 20 November-26 November 2013 (New Activity / Unrest)

The Japanese Coast Guard reported that a Surtseyan eruption 500 m SE from the coast of Nishimo-shima generated a new island called Niijima on 20 November. The island was about 300 x 200 m, and developed a crater 150m wide. Discolored water surrounded the island. ... Read all
caldera, submarine volcano approx 70 m / 215 ft (currently growing)
Volcano Islands, Japan, 27.27°N / 140.88°E
Current status: restless (2 out of 5) Nishino-shima volcano eruptions:
2019-ongoing, 2017, 2013-15, 1985(?), 1982(?), 1980(?), 1978(?), 1975(?), 1973-74
Typical eruption style
explosive
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