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

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.

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