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.

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.

great pic. of erupting volcano..half the snow gone, seemingly right in half of the volcano..wow!!!

great pic. of erupting volcano..half the snow gone, seemingly right in half of the volcano..wow!!!

Volcano.  Ok so obviously I cannot actually go here, but this view is unbelievable. #etna

Volcano. Ok so obviously I cannot actually go here, but this view is unbelievable. #etna

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