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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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).
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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.
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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.
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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.
Sources/Usage: Public Domain. View Media Details