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Random pictures
Nishino-shima volcano
caldera, submarine volcano approx 70 m / 215 ft (currently growing)
Volcano Islands, Japan, 27.27°N / 140.88°E
Current status: normal or dormant (1 out of 5)
Nishino-shima webcams / live data | Reports
Nishino-shima volcano books
Nishino-shima volcano eruptions:
2017, 2013-15, 1985(?), 1982(?), 1980(?), 1978(?), 1975(?), 1973-74
Typical eruption style:
explosive
Last earthquakes nearby
Latest satellite images
 

Nishino-shima volcano news & activity updates:

Nishino-Shima volcano (Izu Islands, Japan): island has doubled in elevation

Friday Feb 21, 2014 13:38 PM | BY: T

Aerial view of Nishinoshima on 16 Feb 2014 (Japan Coast Guard)
Aerial view of Nishinoshima on 16 Feb 2014 (Japan Coast Guard)
Direction of lava flows from the active vents
Direction of lava flows from the active vents
Current outline (red) of the island compared to previous stages
Current outline (red) of the island compared to previous stages
The island continues to grow by progressing lava flows into several directions, as the latest images by the Japanese Coast Guard from 16 Feb show. Its highest peak, formed by the western of the 2 active vents, was measured at 66 m, i.e. it now reached almost twice the height of the peak of the old island. The new addition has more than doubled the size of the island so far.
It also formed a black-sand beach on the NE shore of the old part, as a result of lava fragments washed up by currents and waves.
Previous news
Nishino-Shima island on 3 Feb. For comparison, the previous shorelines on 20 Jan (yellow) and 21 Nov past year (white). (Image: Japanese Coast Guard)
Wednesday, Feb 05, 2014
New images from an overflight on 3 February confirm that the activity on the former new island continues steadily. Over the past weeks, the vent has been feeding several active lava flow fronts, that enlarged the land covered by new lava in more or less all directions. ... [more]
A hot spot on Nishino-Shima island and its location in the western Pacific
Tuesday, Feb 04, 2014
The eruption on the now merged Nishino-Shima and Niishima islands continues. A hot spot is visible on current MODIS data. ... [more]
The former new island off Nishino-Shima seen on 20 Jan 2014(Japan Coast guard)
Sunday, Jan 26, 2014
The volcano continues to enlarge the island with lava flows, but seems to have increasingly explosive activity as well. Ash plumes to altitudes of 4,000 ft (1.2 km) were reported during the past days. These could have originated from more violent water-magma interaction (phreatomagmatic activity) or simply stronger strombolian explosions. ... [more]

Wednesday, Jan 15, 2014
The Japanese Coast Guard made an overflight yesterday and published the attached picture of the (former new) island. It seems that while it is still might be effusing some lava that form flows reaching the eastern shore in the bay near the vents, the rate of lava effusion/growth has slowed down. No large changes of the island appear visible when compared to the images a week ago. [more]
Comparison of Nishino-shima between 28 Dec and 6 Jan (Japanese Coast Guard)
Monday, Jan 06, 2014
The new island that had "touched" Nishino-Shima has continued to grow and the two islands form now a coherent single one, with a interesting "butterfly" shape. This might of course change quickly again as well. There are now no traces left of the beach and the little colored lake that existed a week ago when the two islands started to merge. ... [more]

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