Although the advancement of the leading edge of the June 27th flow ...
![Although the advancement of the leading edge of the June 27th flow ...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/vhp_img3889.jpg?itok=JqscDj-U)
Detailed Description
Although the advancement of the leading edge of the June 27th flow has been minor over the past two days, a view into a skylight on the lava tube today showed that lava in the tube was still swiftly moving downslope towards the flow front.