Photo of the Day (Friday 27 January 2012):
The Tengger caldera (East Java, Indonesia) with Bromo and erupting Semeru in the background (Photo: kaylash)
More on VolcanoDiscovery:
Small spherical balls of volcanic ash that form from a wet nucleus falling through a volcanic ash cloud.
List and map of all volcanoes in Africa. Most volcanoes are located in the Great Rift Valley, but there are more.
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: The Volcanic Ash Advisory Centers provide near-real time global monitoring of volcanic ash plumes for aviation. Read the latest (or browse past) advisories.