Icelandic authorities now say threats of wildfires have officials on "high" alert and that eruption fissures were bigger than scientists initially thought after Wednesday's eruption of the once-dorman

The eruption began early July 16 on the Sundhnúkur Crater Row, about 30 miles southwest from the capital, Reykjavik. See images of the eruption.

A volcanic eruption in Iceland has sparked the evacuation of the world-famous Blue Lagoon geothermal spa and surrounding areas. Newsweek's live blog is closed.