santorini_g5617.jpg (Photo: Tom Pfeiffer)
More on VolcanoDiscovery:
The term for all fine-grained volcanic products fragmented during explosive eruptions.
Volcano & eruption special tours
: Tours dedicated to usually a single volcano currently in eruption. These trip, sometimes offered only last-minute through our newsletter, are among the most adventurous and most popular in our program.
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.