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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.
Private tours on Etna volcano Discover Europe's largest active volcano on private, guided 1-day tours. Tours can be customized for different interests and fitness levels.
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.
Ubinas activity updates The most frequently active volcano in Peru entered a new eruptive phase in 2014. Updates and news are regularly posted on this page.
Etna volcano photos Etna - Europe's largest and most active volcano is a universe in itself. Browse through our collection spanning almost 20 years of eruptions and more.