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Active flow front continues northeast towards Highway 130
The active flow front continues to advance to the northeast, in the general direction of Pāhoa Marketplace. This morning, the leading tip of the active flow was 1.5 km (0.9 miles) from Pāhoa Marketplace, as measured along the path of steepest descent. Over the past week, the flow front has advanced approximately 2 km (1.2 miles), which equates to an average advance rate of 285 meters per day (roughly 0.2 miles per day) over that period.
This photograph looks downslope towards Pāhoa, and shows the active flow front moving through dense vegetation upslope of Pāhoa Marketplace and Highway 130.
A comparison of a normal photograph and a thermal image of the leading edge of the active flow. Plumes of smoke upslope of the front mark the locations of scattered breakouts. The thermal image shows that active lava is focused along the leading margin of the flow.
In addition to the active flow front, scattered breakouts were present about 2 km (1.2 miles) upslope, and consisted of several fingers branching a short distance off from the main body of the flow.
The leading tip of the flow has widened over the past day. Yesterday, the leading tip of the flow was roughly 80 meters (87 yards) wide, but today the leading tip was roughly 200 meters (220 yards) wide.
A vertical view into one of the skylights on the lava tube upslope. A swiftly moving stream inside the lava tube confirmed that lava continues to be supplied downslope this morning.
HVO geologists walk over the lava tube on the northern flank of Pu‘u ‘Ō‘ō while conducting a very low frequency (VLF) survey. Measurements are taken along a line of points (at flagged rocks) crossing perpendicular to the tube.
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