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.
La Palma Volcano Special We offer a short-notice tour to see the eruption on La Palma in a small group guided by a volcanologist (Evelyne Pradal - English and French speaking geologist.)
Volcano Calendar 2019 We're proud to present our 2019 volcano calendar: 13 different and attractive images of volcanoes, volcanic landscapes and phenomena taken during volcano tours over the past few years.