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Diaporama
Nishino-shima volcan
caldera, submarine volcano approx 70 m / 215 ft (currently growing)
Volcano Islands, Japan, 27.27°N / 140.88°E
Condition actuelle: en vigilance - niveau agité (2 sur 5)
Nishino-shima webcams / données en temps réel | Reports
Nishino-shima livres
Eruptions du volcan Nishino-shima:
1985(?), 1982(?), 1980(?), 1978(?), 1975(?), 1973-74
Style éruptif tipique:
explosive
Derniers séismes proches
Derniers images satellite
 

Nishino-shima volcano news & activity updates:

Nishino-shima volcano (Japan) eruption update: island continues to grow

jeudi nov. 28, 2013 15:53 | AUTEUR : TOMPFEIFFER

The youngest island of the world continues to grow as the eruption continues. Recent footage shows (from 24 Nov) shows strombolian activity and a lava flow on the southeast flank of the small new cone.
The strombolian activity often ejects glowing bombs that land in the sea water and create spray and leave short-lived areas of boiling water around them. The longer the eruption continues in this so-called magmatic style (the vent being isolated from sea water, allowing the formation of welded scoria and lava flows), the greater the chances are that the island will survive wave erosion once the eruption stops.

The change in eruptive style (from explosive magma-water interaction, so-called surtseyan, towards dry, magma-only driven eruptions occurred between 22-23 November.
Actualités précédentes
samedi, nov. 23, 2013
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. ... [details]
Surtseyan activity near Nishima-Shima Island where a new island was formed (Japanese Coast Guard via Blog Culture Volcan)
mercredi, nov. 20, 2013
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. ... [details]

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