Lava emerges from under crus
![photo of lave](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/20030824-1926_DAS_large.jpg?itok=_30risZ4)
Detailed Description
Lava emerges from under crust at top of image and flows along crease between two inflated areas. Crust formed on gentle slope, but lava breaks out from under it as slope increases. Incandescent toe is about 50 centimeters s across.
Sources/Usage
Public Domain.