The fissure eruption came to the surface about 40 km from the main Bardarbunga volcano, an area popular with summer hikers.
By: Jenna Gottlieb And Sylvia Hui
REYKJAVIK, ICELAND—Iceland’s authorities on Sunday raised the aviation warning code to red for a region close to the subglacial Bardarbunga volcano after a small fissure eruption in the area.