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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.
Krakatau volcano photos Hundreds of photos from active Krakatau volcano in the Sunda Strait, Indonesia. Most of them taken during our various expeditions to this fascinating volcano.
Popocatépetl Volcano Special The activity of Mexico's most active and largest volcano has been picking up gradually during the past months. If you like to join a small group of volcano enthusiasts, join us, stay 5 nights near the volcano and move around for extended day- and night-time observation.
Volcanoes in the Solar System The Earth is not the only place with volcanic activity. Active volcanism also occurs at at least 3 other bodies in our Solar System.
Best tours to see lava Visiting an erupting volcano is an unforgettable experience. If you're particularly looking to see "Red Hot Lava", these are among the best places to go to.