Stromboli volcano photos The lighthouse of the Thyrrhenian Sea - thanks to its typical, regular explosions that coined the term "strombolian activity", Stromboli is one of the most famous and photogenic volcanoes in the world.
Ambrym volcano photos Ambrym (Vanuatu) is one of the most active volcanoes in the world. Its vast caldera has an amazing moonscape and several active vents that contain boiling lava lakes, most famous Marum and Benbow.
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.