[JimSEA]

Footage of volcanic lightning at Sakurajima taken by Cimarelli’s research team.Also another article at Geology.com

[Mr. K]

duh... static electricity caused by friction

The same reason you get regular lightning when it rains

[DannyTN]

I think its electrical charges.

[onedoug]

Ionization

[T-Bone Texan]

"...But scientists have had trouble studying this phenomenon because the flashes last only for milliseconds (Hmmm, like regular lightning does?) and thick clouds of ash can hide it from view. (Hmm, like clouds do?)

Life is so very difficult, even for scientists.

[BitWielder1]

Until they can reproduce it in the laboratory it means nothing :)

[Billthedrill]

Actual footage of a Zot.

[Organic Panic]

Volcanoes have nothing compared to the massive destruction of carbon dioxide.

[kiryandil]

Everyone knows that Hephaestus purloined some of Zeus’ bolts...