Lava fall by on Flickr.

The Northern Lights are seen above the ash plume of Iceland’s Eyjafjallajokull volcano in the evening April 22, Lucas Jackson
Allarme rosso! - Etna, la lava invade la Valle del Bove. by Vulcanian on Flickr.

(via 500px / Lava by Christopher Lund)
Eruzione Etna 26 Ottobre 2013 by Mirko Chessari on Flickr.
Lava fountain and flow by on Flickr.

Volcán Llaima al atardecer. by Mono Andes on Flickr.
Old lava, new lava by etnaboris on Flickr.

Lava flow after the Sun by Tom Kualii
Lava Ooze by Perceptions Unlimited on Flickr.