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Introduction to Plate Tectonics The Earth's upper, rigid layer is broken into several plates which are in constant motion to one another. Most earthquakes and volcanoes occur as result of these plate boundaries.
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).
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.