Apr 192010
 

This awesome photograph captures lighting bolts amidst the ash clouds of Iceland’s Eyjafjallajökull volcano.  You can view more photos here and here.  Lightning is also shown on this video of the eruption.

Ash and Lightning Above an Icelandic Volcano

And then you have this imposing picture taken a couple of years ago in South America.

Yhe Chaiten Volcano, southern Chile

The Chaiten Volcano, southern Chile