Les éruptions du NO et des aérateurs centraux dans le bleu crépuscule. (Photo: Tom Pfeiffer)
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The term for all fine-grained volcanic products fragmented during explosive eruptions.
: A growing list of photo galleries taking during our expeditions in this fantastic part of the world, full of volcanoes, unspoiled nature and colors.
Eyjafjallajökull volcano photos
: The volcano in Iceland with the unpronounceable name... but famous in 2010 when its ash clouds drifted over Europe and forced a unprecedented large-scale airspace closure for several days, stranding millions of passengers.