The Physics of the Plasma Universe by Anthony Peratt describes magma as a plasma, a medium containing moving charges. So we should expect volcanoes not only to exhibit electrical behavior but to have that behavior connected with the larger plasma environm
Look at the insane colors going on in that photo---amazing!--Molten lava cascades over a 30 foot cliff, creating new land at its base, Kilauea, Hawaii, USA
To see Kilauea erupting in The taxi driver who was afraid of Pele, couldn't drive away fast enough.
Puyehue volcano in Patagonia, Chile Absolutely stunning!