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This view towards the southeast shows the vent area and upper lava tube system. In the lower right is Pu‘u ‘Ō‘ō crater, with a small circular lava lake in the northeast portion of the crater floor. Just to the left of this lava lake, outside of the crater on the eastern spillway, is the area of the September 21, 2011, fissure which is now the vent for the Peace Day flow. The vent area, now covered in lava, is the start of the lava tube, whose subsurface path is marked by the many sources of white fume.
This thermal image shows an overview of active surface flows today. There was a small area of active surface flows near the top of the pali, at the top of Royal Gardens subdivision, but most of the surface flows were active on the coastal plain. A line of high temperatures coming down the pali reveals the path of the lava tube, which splits just above the base of the pali.
At Halema‘uma‘u, the lava has dropped over the past week to levels more typical of the last few months. Today, the lava was slightly below the deep inner ledge, with spattering along the southwest lake margin.
