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Nishino-shima volcano (Japan): eruption still continuing, island grows lava delta on the SE side

Tue, 23 Jun 2015, 13:51
13:51 PM | BY: T
Landsat 8 infrared image of Nishinoshima on 21 June 2015 showing the active areas (vent and lava delta)
Landsat 8 infrared image of Nishinoshima on 21 June 2015 showing the active areas (vent and lava delta)
View of the growing lava delta on the SE shore
View of the growing lava delta on the SE shore
Thermal image showing strombolian activity at the central vent
Thermal image showing strombolian activity at the central vent
Map of the island with contours from the past months (dotted black line show the now completely buried old island)
Map of the island with contours from the past months (dotted black line show the now completely buried old island)
The eruption on the island continues with apparently relatively steady lava effusion that feeds active flows reaching and enlarging the SE corner of the island, which has now 2.7 square kilometer of surface.
Mild strombolian activity and strong degassing occurs at the main vent, where a nice cinder cone has grown. The lava mostly flows through tubes, where it is hidden, to reach the active lava delta on the SE tip of the island. A smaller part seems also to feed/inflate inland surface lava flows in an area NE of the cone.

Previous news

Tue, 3 Mar 2015, 12:05

Nishino-shima volcano (Japan): eruption still continuing

The eruption continued at least through 27 February. Read all
Wed, 25 Feb 2015, 06:00

Nishinoshima volcano (Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 25 February-3 March 2015 (Continuing Activity)

According to news articles, the eruption at Nishinoshima continued at least through 27 February. The Japan Coast Guard noted that the island had grown to about 2.46 square kilometers and the active cone was about 100 m tall. Explosions occurred several times per minute and ash-and-gas plumes rose 1.2 km. ... Read all
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caldera, submarine volcano approx 70 m / 215 ft (currently growing)
Volcano Islands, Japan, 27.27°N / 140.88°E
Current status: minor activity or eruption warning (3 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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