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Photo and Video Chronology – Kīlauea summit eruption – June 9, 2023

Kīlauea eruption webpage
By Hawaiian Volcano Observatory June 10, 2023

The eruption in Halema‘uma‘u crater continues, The eruption, which is occurring in Kīlauea’s summit caldera, within Hawai‘i Volcanoes National Park, began the morning of June 7, 2023.

HVO scientists collect detailed data to assess hazards and understand how the eruption is evolving at Kīlauea's summit, all of which are shared with the National Park Service and emergency managers. Access to this hazardous area is by permission from, and in coordination with, Hawai‘i Volcanoes National Park.

 

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The eruption in Halema‘uma‘u crater, at the summit of Kīlauea, continues, as shown in this aerial video taken on June 8, 2023. Several lava fountains were active, with lava covering much of the western portion of the crater. The area of active lava on the surface has diminished over the past day, with lower lava fountains compared to yesterday. 
Color photograph of scientists measuring eruption gas
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Hawaiian Volcano Observatory scientists use an FTIR to measure volcanic gas at the Halemaʻumaʻu crater eruption site. The FTIR is aimed at the hot, glowing lava and the volcanic gas between the lava and the FTIR can be measured. The data is processed to calculate important gas ratios which can give us information about how magma and volatiles are transported in the volcanic plumbing system. For more information on FTIR, see: Volcano Watch — Infrared (IR) measurements help HVO scientists unravel Kīlauea’s gas chemistry | U.S. Geological Survey (usgs.gov).
Color photograph of scientists monitoring eruption
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USGS Hawaiian Volcano Observatory gas specialists uses a FTIR (Fourier-transform infrared spectroscopy) spectrometer at the new eruption in Halema‘uma‘u crater that began on June 7, 2023. The FTIR measures the composition of the gases being emitted during the eruption by measuring how the plume absorbs infrared energy. The plume being generated by the ongoing eruption is sulfur-dioxide (SO2) rich, but also contains water vapor, carbon dioxide, and halogen gases such as HCl and HF. 
Color map of crater floor temperature
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A helicopter overflight on June 8, 2023, allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea. The eruptive activity has consisted of lava fountaining and lava lake activity, confined within the crater. The scale of the thermal map ranges from blue to red, with blue colors indicative of cooler temperatures and red colors indicative of warmer temperatures. 
Color map of crater floor temperature
Sources/Usage: Public Domain. View Media Details
A helicopter overflight on June 8, 2023, allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea. The eruptive activity has consisted of lava fountaining and lava lake activity, confined within the crater. The scale of the thermal map ranges from blue to red, with blue colors indicative of cooler temperatures and red colors indicative of warmer temperatures. 

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