Small lava fountain making a new break point of crustal pieces. (Photo: Tom Pfeiffer)
Plus sur VolcanoDiscovery
Introduction to Plate Tectonics
: The Earth's upper, rigid layer is broken into several plates which are in constant motion to one another. Most earthquakes and volcanoes occur as result of these plate boundaries.
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.