Old layers of pumice that have been deposited in a former lake. (Photo: Tobias Schorr)
More on VolcanoDiscovery:
Recent volcano satellite images
: Browse quickly through the latest satellite imagery from volcanoes all over the world in order to spot ash clouds and hot spots.
Batu Tara photos
: A remote island in the Flores Sea of Indonesia formed by a single volcano that has been in strong strombolian eruption for years. We regularly lead expeditions to there where we camp several days to observe it.
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.