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Volcano Calendar 2016 We're proud to present our new volcano calendar 2016: 13 different and attractive images of volcanoes, volcanic landscapes and phenomena taken during volcano tours over the past few years.
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.
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.