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.
Volcanoes & Cultures The contrast between unspoiled rain-forest, coconut palm beaches, primitive culture and moon-like landscapes surrounding lava-spitting volcanoes could not be bigger: join us on an expedition to the two most active volcanoes of Vanuatu: Ambrym and Yasur.
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