Votes
Another perfect ring in the sky. Its diameter is probably about 100 meters. (Photo: Tom Pfeiffer)
Get our newsletter!    Volcano Discoveries: "One of the most eye-catching guides to the world’s volcanoes ever published.  VolcanoAdventures: Our professional team of volcanologists and photographers offers unique travel opportunities: volcano expeditions, photo tours, and relaxed walking & study tours.  The Volcano Adventure Guide: Excellent information and background for anyone wishing to visit active volcanoes safely and enjoyably. The book presents guidelines to visiting 42 different volcanoes around the world.
| More on VolcanoDiscovery: Fascination Volcano: Discover with us the fascinating natural history of Santorini volcano in Greece on this walking and study tour.  Definition of a volcano: A volcano is the term for any place on the surface of the earth, where hot molten rock (magma) reaches the surface.  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.  Volcano Calendar 2016: We're proud to present our new volcano calendar 2016: 13 different and attractive images of volcanoes, volcanic landscapes and phenomena taken during volcano tours over the past few years. |
