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Etna trekking tour A tour entirely dedicated to Etna, the most active volcano in Europe. Spend 6 full days on Etna and get good chances to see eruptive activity.
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.
Ambrym+Yasur volcanoes in Vanuatu An adventurous expedition to some of the most spectacular and active volcanoes in the world! Our volcano expedition to Vanuatu lets you spend 1 week on Ambrym with its multiple active lava lakes and 4 days on Yasur, famous for its spectacular fireworks. Guided by professional volcanologist, small groups (May-Sep).