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Photo and Video Chronology - Kīlauea - August 1, 2018

By Kīlauea August 1, 2018

Kīlauea lower East Rift Zone

 

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Aerial view toward the southeast of fissure 8 lava channel. Overflows have formed a pool of lava at the channel bend just west of Kapoho Crater (vegetated cone at left).
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Aerial view toward the southwest of the ‘a‘ā lava flows along the coast. Plumes of laze along the broad ocean entry flow front are near the former Ahalanui Beach Park.
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Aerial view of Isaac Hale Beach Park. The westernmost ocean entry is overriding lava flows that entered the area last week.
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Lava trees, shown here in a fissure 8 flow, are formed when lava inundates a forested area and surrounds the tree trunks. Lava cools against the trunk, forming a column of rock and eventually burning the tree. As the lava flow deflates, the rock surrounding the trunk is left standing above the flow surface, forming a "lava tree" and showing the high-stand of lava that flowed through the area.

 Kīlauea Summit

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A panoramic view of Kīlauea's summit, with remobilized ash (blown by wind) in the sky above Halema‘uma‘u.
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Close up view of the dust cloud above Halema‘uma‘u, created by wind stirring up ash deposits on the south side of the crater.
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This animated GIF shows a sequence of radar amplitude images that were acquired by the Agenzia Spaziale Italiana CosmoSkyMed satellite system. The images illustrate changes to the caldera area of Kīlauea Volcano that occurred between May 5 and August 1 at about 6:00 a.m. HST. The satellite transmits a radar signal at the surface and measures the strength of the return, with bright areas indicating a strong return and dark areas a weak return. Strong returns indicate rough surfaces or slopes that point back at the radar, while weak returns come from smooth surfaces or slopes angled away from the radar. Over time, expansion of the summit eruptive vent within Halema‘uma‘u crater and the widening of Halema‘uma‘u itself are obvious. Starting in late May, the development of several cracks outside Halema‘uma‘u is clear, and inward slumping of a large portion of the western, southwestern, and northern crater rim begins. Much of this motion appears to be coincident with the small explosions from the summit that have taken place on a near daily basis since early June. The most recent radar scene, from August 1, shows continued motion along cracks over a broader area of the caldera floor, extending east of Halema‘uma‘u. We expect this slumping to continue as long as the collapse events and overall subsidence persist.

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