The little Island of Nijima next to Nishinoshima Island on the Nishinoshima Seamount is steadily growing and is now around 400 by 250 meters. Previously the main growth have been away from the island of Nishinoshima so it looked kind of dubious that the islands would merge during this eruption.
Now there is though a lobe growing towards Nishinoshima, and if lava continues to run in that direction the islands should unify fairly fast. One should remember that the depth is least in the area between the Islands so any growth there would be faster than in any other direction. We will though quite simply have to wait and see if Nijima and Nishinoshima joins.
One thing is though clear, it does not seem like the eruption will end soon. Judging from the previous island forming eruption on the Nishinoshima Seamount and a few quite likely eruptions, the general…
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