Nishino-shima volcano (Volcano Islands, Japan) activity update

Di, 4. Feb 2014, 12:36

12:36 PM | VON: T

A hot spot on Nishino-Shima island and its location in the western Pacific

Aerial view from 20 Jan with a comparison of the changes since 12 Jan

The eruption on the now merged Nishino-Shima and Niishima islands continues. A hot spot is visible on current MODIS data.
Hopefully, new imagery will be available from the Japanese Coast guard soon.

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So, 26. Jan 2014, 11:52

Nishino-Shima volcano (Izu Islands, Japan): ash plumes from explosive activity

The former new island off Nishino-Shima seen on 20 Jan 2014(Japan Coast guard)

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. Read all

Mi, 22. Jan 2014, 06:00

Nishinoshima volcano (Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 22 January-28 January 2014 (Continuing Activity)

A photo and video posted by the Japan Coast Guard showed that on 20 January the Niijima portion of Nishino-shima was larger than the original island; the two islands had merged on 24 December 2013. White and brown plumes rose from Niijima and the water to the SW was discolored. ... Read all

Mi, 15. Jan 2014, 15:01

Nishino-shima volcano (Volcano Islands, Japan) activity update

The new part of Nishino-Shima island with its eruptive vents and the still active lava flows towards the bay on the eastern shore

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. ... Read all

Mi, 15. Jan 2014, 06:00

Nishinoshima volcano (Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 15 January-21 January 2014 (Continuing Activity)

Based on satellite analysis, the Tokyo VAAC reported that on 21 January a possible ash plume from Nishino-shima rose 0.9 km (3,000 ft) a.s.l. and drifted E. An image acquired a few hours later showed that ash had dissipated. ... Read all

Mo, 6. Jan 2014, 13:37

Nishino-Shima volcano (Izu Islands, Japan): lava flows continue to enlarge merged island

Comparison of Nishino-shima between 28 Dec and 6 Jan (Japanese Coast Guard)

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. ... Read all

Fr, 27. Dez 2013, 07:03

Niijima and Nishino-Jima islands merge (Japan)

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. ... Read all

Nishino-shima volcano (Volcano Islands, Japan) activity update

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