A large skylight on the lava tube is supplying lava to surface flow...
Detailed Description
This photograph, looking east, shows a large skylight on the lava tube that is supplying lava to surface flows north of Royal Gardens subdivision. The tube trace, which heads southeast, is marked by the line of fume sources in the upper right portion of the image. The surface flows, out of view in this image, were 1.1 km (0.7 miles) north of the uppermost street in Royal Gardens today.