Photo of the Day
Ash and lightning over a volcano
October 29, 2010
Eyjafjallajökull Volcano, Iceland
This Month in Photo of the Day: National Geographic Magazine Features
Lightning veins the Eyjafjallajökull volcano's ash plume, which roiled air travel this spring. Such "dirty thunderstorms" may occur when rock and ice particles loosed by exploding magma collide in the atmosphere.
See more photos from the 2010 Visions of Earth gallery.
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