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Dukono volcano photos Dukono on Halmahera in Indonesia has been in permanent activity for years, often producing ash plumes that drift around the northern part of the island and have become normality.
Divergent plate boundaries in oceans Two ocean plates move apart from each other. Hot upwelling mantle material forms magmas that continuously produce new oceanic crust. An ocean widens.
Kuril Islands expedition The Kuril islands form one of the most active volcanic chains in the world, but are very difficult to access. From time to time, we organize expeditions to some of these remote and still unspoiled islands. Adventure guaranteed!