Nishinoshima, two years later.

Tomorrow it will be two years since the eruption began to / from Nishinoshima (西 之 島, "western island", or Rosario island) in the Ogasawara islands, parts of the Izu-Bonin volcanic arc, south of Tokyo .

The eruption has done the pre-existing island grow by a factor of 12.

The last survey of Nishinoshima on November 17 has clarified the topography of the craters atop the cinder cone; it opened on its southwestern flank and let out the lower part exit a small lava flow. The North lava flow has stopped.

A regular summit explosive activity, occasionaly of Vulcanian type, is accompanied by projections of around 500-1000 meters
.

Discoloration of seawater in greenish-yellow is confined within a wide strip of 200-300 meters around the island.

Changes mark the coastline, eroded by the waves.

The report of the Japan Coast Guard on 16 September mentioned an area of ​​2.67 km², that of November 17 mentions no more than 2.63 km².

Source : Japan Coast guards - link