Lava fall by fredrikholm.se on Flickr.
albivinehart:

The Northern Lights are seen above the ash plume of Iceland’s Eyjafjallajokull volcano in the evening April 22, 2010.by Lucas Jackson
Allarme rosso! - Etna, la lava invade la Valle del Bove. by Vulcanian on Flickr.
fallentes:

(via 500px / Lava by Christopher Lund)
Eruzione Etna 26 Ottobre 2013 by Mirko Chessari on Flickr.
Lava fountain and flow by fredrikholm.se on Flickr.
grim-m:

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

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