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Volcano Calendars We have published several volcano calendars over the years: usually, we use photos taken by us or our participants during our recent volcano tours and expeditions. A perfect gift if you're a fan of volcanoes!
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.
Glossary of geologic terms A growing list of often illustrated explanations and definitions of geological terms and keywords, with focus on volcanology and seismology.
Photos from Vanuatu A fascinating archipelago with very active volcanoes, tropical islands and very friendly and hospital people who still live their original Melanesian culture. Browse through our vast collection of photos.