Officials said there was no immediate threat to the tiny town of Grindavik - evacuated after a previous eruption - or to a major power plant in the area.
Volcano erupts in southwestern Iceland, nearby residents evacuated france24.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from france24.com Daily Mail and Mail on Sunday newspapers.
A flash flood swept away the bridge across Mulakvisl river on Myrdalssandur in South Iceland. This affects traffic on Highway 1 (the Ring Road) about 10 km east of the village Vik, between Hofdabrekka from the West, and Skalm from the East.