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January 24, 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. 

Color photograph of lava lake
View of the active lava lake in the eastern side of Halema‘uma‘u crater, at the summit of Kīlauea. A perched levee consisting of stacked crustal plates a few meters (yards) tall surrounds the lake. A fountain (orange) is present on the southwest side of the lake. At the time the photo was taken, a flow had breached the levee on the south (right) side. USGS photo by J.M. Chang.
Color photograph of lava erupting
Telephoto view of the lava fountain within the active lava lake in the eastern side of Halema‘uma‘u crater, at the summit of Kīlauea, taken on January 19, 2023. USGS photo by J.M. Chang.
Color photograph of lava lake
Lava lake activity continues in Halema‘uma‘u crater, at the summit of Kīlauea, on January 20, 2023. Lava upwells at the fountain source and spreads out towards the lake margin, where it downwells. Overall, activity in the crater has been steady in recent days. USGS photo by M. Patrick.
Lava lake activity continues in Halema‘uma‘u crater, at the summit of Kīlauea, on January 20, 2023. This time-lapse sequence shows an hour and a half of activity in the eastern lake. Lava upwells at the fountain source and spreads out towards the lake margin, where it downwells. Overall, activity in the crater has been steady in recent days. 

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