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December 29, 2021

An eruption at Kīlauea's summit began at approximately 3:20 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema‘uma‘u crater, in the closed area of Hawai‘i Volcanoes National Park.

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 and vent
On the afternoon of December 27, 2021, the summit eruption of Kīlauea was paused and showed only intermittent and weak crustal foundering in the formerly active west side of the lava lake in Halema‘uma‘u. This photo, looking down and toward the east, shows the topography of the formerly active pond of lava during the eruption pause. The pond surface is approximately 12 meters (39 feet) lower than the high ledges surrounding it. USGS photo by K. Lynn.

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