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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.
Tours by destination We travel to volcanic areas worldwide: from Greece and Italy, Iceland, to Hawai'i, Japan, Indonesia, Vanuatu. We even offer a Round-The-World tour to volcanoes.
Tours to active volcanoes Watching a volcanic eruption is one of the most impressive natural displays. We have a wide selection of tours to active volcanoes worldwide at different activity and difficulty levels.