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Nishino-shima vulkaan
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 webcams / Live-gegevens | Reports
Nishino-shima vulkaan boeken
Nishino-shima vulkaanuitbarstingen:
2017, 2013-15, 1985(?), 1982(?), 1980(?), 1978(?), 1975(?), 1973-74
Typical eruption style:
explosive
Laatste aardbevingen in de omgeving
Meest recente satellietbeelden

Sentinel hub | Landsat 8
 

Nishino-shima volcano news & activity updates:

Nishino-shima volcano (Japan): significant growth of the new island by continuing lava flows and strombolian activity

Monday Jul 28, 2014 15:38 PM | DOOR: T

Nishinoshima on 23 July (image: Japanese Coast Guard)
Nishinoshima on 23 July (image: Japanese Coast Guard)
A vent near the eastern coast feeding 2 lava flows
A vent near the eastern coast feeding 2 lava flows
Ash emissions / strombolian explosion at the central vent
Ash emissions / strombolian explosion at the central vent
Map illustrating the growth of the island during the past months
Map illustrating the growth of the island during the past months
Activity at the growing island continues, perhaps even with increased intensity, judging from the recent pictures obtained by the Japanese Coast Guard on 23 July:
They show active lava flows reaching the sea and enlarging the island continuously, most notably towards the east, where a stretch of new land up to 250 m wide was added during only 1 month!
Much of this growth can be attributed to a new effusive vent located near the coast itself (s. second picture). However, it is unclear whether it is a true vent or only a so-called ephemeral vent formed by lava exiting a tube system and ultimately still coming from the central vent.
At the central vent, a prominent cone has grown by ongoing explosive activity, strombolian-type, ejecting lava bombs and ash plumes. The cone now probably surpasses the still official summit height of the island, 38 m, formed by the peak of the older, now small-in-comparison part that formed the island before the current eruption.
Video of the overflight on 23 July:
Vorig nieuws
Landsat 8 images of Nishino-Shima on 2 June and 4 July, showing the new platform to the east (images: AIST, annotation: Culture Volcan)
Wednesday, Jul 16, 2014
The currently fastest growing island of the world remains active, with both effusive (lava flows enlarging the island) and explosive activity (strombolian and phreatomagmatic = water-magma explosions). ... [meer...]
Monday, Jun 30, 2014
An explosive event occurred last night at the growing island volcano. VAAC Tokyo reported an ash plume at 10,000 ft (3 km) altitude drifting to the northeast. [meer...]
3 vents at Nishinoshima volcano (13 June)
Thursday, Jun 19, 2014
Eruptions continue to add land to the remote island volcano. Recent pictures by the Japanese Coast guard on 11 and 13 June show steaming along the shoreline, indicating active lava flow fronts, possibly tube-fed since no surface incandescence was visible. ... [meer...]

Friday, May 23, 2014
The eruption on the remote island continues. The most recent overflight pictures by the Japanese Coast Guard show two active vents, one with a small lava-filled vent likely producing strombolian explosions, the other emitting a steam and gas plume. ... [meer...]
Friday, Apr 18, 2014
A possible explosive eruption occurred this morning; VAAC detected an ash plume at estimated 7,000 ft (2.1 km) altitude drifting east from the volcano. This could have been caused by a stronger phreato-magmatic explosion (sea water coming in contact with magma). [meer...]

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