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Flows heading north of Pu‘u ‘Ō‘ō, continued activity in Pu‘u ‘Ō‘ō crater and on Peace Day flow.
Flows heading north of Pu‘u ‘Ō‘ō, continued activity in Pu‘u ‘Ō‘ō crater and on Peace Day flow
The Kahauale`a II flow began as a breakout on the east rim of Pu‘u ‘Ō‘ō crater on May 6, and has advanced northward towards the forest. Today, slowly moving pāhoehoe lobes (light colored flows in this image) were burning moss and lichen on older Pu‘u ‘Ō‘ō ‘A‘ā flows and approaching the forest boundary. Pu‘u ‘Ō‘ō cone is obscured by thick clouds in this photo.
HVO geologists use a laser rangefinder to measure the height of the shield and cone built up around the northeast lava lake, on the east rim of Pu‘u ‘Ō‘ō crater. The peak of the cone is now about 18 m (60 ft) above the former crater rim.
The spatter cone near the north rim of Pu‘u ‘Ō‘ō crater continues to produce pulsating gas jetting sounds. Compare this photo to one taken of the same cone on May 2 to see how much taller the cone has grown.
The small lava lake on the northeast rim of Pu‘u ‘Ō‘ō crater has been built into a small cone, with only a few small openings at the top. One of these small openings had sloshing lava near the surface.
Why did the lava tube cross the road? This image shows the Peace Day lava tube coming down the pali in Royal Gardens subdivision. The lava tube parallels Ali`i avenue, shown by the straight line of warm temperatures that represent asphalt heated in the sun. At the intersection of Ali`i avenue and Paradise street, the lava tube makes a sharp turn west and crosses the intersection, and then turns sharply again downslope (towards the right side of the image). This tube feeds lava to the ocean entry and breakouts on the coastal plain. There is no active lava on the surface in this image - the warm surface temperatures are due to heating by the underlying lava tube. Thermal images such as this help HVO geologists map the lava tube system.
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