Molten river of glowing lava at night in Fagradalsfjall volcano effusive eruption, top down

molten river glow lava night fagradalsfjall volcano effusive eruption top down rock stone basalt flow nature hot landscape magma red fire black geology dark heat orange volcanic active liquid surface pahoehoe texture tectonic pattern fiery aerial drone crust extreme viscous fissure iceland fagradals reykjanes fagradalseldar meradalir above slow moving