: Two ocean plates move apart from each other. Hot upwelling mantle material forms magmas that continuously produce new oceanic crust. An ocean widens.

: 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!

PVMBG reported that passive emissions of steam and ash occurred yesterday that roseabove the summit. ...

OVPF recordedwith magnitude less than M 1 located mainly under the Dolomieu crater at depths between 1.7 and 2.2 km. ...

: "One of the most eye-catching guides to the world’s volcanoes ever published.

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