Images from an Unmanned Aircraft Systems (UAS) overflight on Sunday afternoon (Sept. 2, 2018) showed that lava remained active within the fissure 8 cone. HVO geologists and UAS crews are on site and closely monitoring the lower East Rift Zone, including the fissure 8 activity, as of late this afternoon. Photo taken Sunday, September 2, 2018 courtesy of U.S. Geological Survey