A volcanic eruption in southwestern Iceland has once again forced the evacuation of local residents and tourists at the internationally known Blue Lagoon geothermal spa.

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

Tourists at Iceland's Blue Lagoon geothermal spa were forced to pack up and get out as a volcanic eruption left lava oozing from a 3,000-foot fissure in the ground.