New eruption at the top of Kīlauea

A new eruption atop Kīlauea began around 3:20 p.m. HST on September 29, 2021. Lava activity is currently confined to Halema’uma’u Crater in Hawai’i Volcanoes National Park. Gas emissions in the summit region are high.

This animated image (GIF) shows the thermal webcam images of the Kīlauea summit from F1cam taken between approximately 2:45 p.m. and 5:45 p.m. HST on September 29, 2021. The new eruption of the Kīlauea summit, which started in Halema ‘ uma’u at around 3:20 pm, produced lava flows that covered most of the lava from December 2020 to May 2021. The solidified “lava island” from the last eruption is visible in the center (dark blue ) and the top of the west vent, which is flooded by the rising lava level, is visible at the bottom center. In thermal images, warmer colors indicate warmer temperatures and cooler colors indicate cooler temperatures. Cancellation of USGS by L. DeSmither.

At approximately 3:20 p.m. HST on September 29, 2021, the USGS Hawaiian Volcano Observatory (HVO) detected active lava in thermal camera images and a glow in webcam images indicating that an eruption had started in the Halema’uma’u crater in the summit caldera of Kīlauea in Hawai’i Volcanoes National Park. Webcam images show cracks at the base of Halema’uma’u crater generating lava flows on the surface crust of the ancient lava lake which was active until May 2021.

The USGS raised Kīlauea’s Volcanic Alert Level from WATCH to WARNING and its aviation color code from ORANGE to RED, as this new eruption and associated hazards are assessed. Activity is limited to Halema’uma’u and the risks will be reassessed as the rash progresses.

The opening phases of eruptions are dynamic and uncertain. The HVO continues to closely monitor the volcano and will report any material changes in future advisories.

Stay informed about Kīlauea by following volcanic updates and following current monitoring data on the HVO webpage:

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The HVO is in constant communication with the Hawai’i Volcanoes National Park and the Hawai’i County Civil Defense Agency as this situation evolves. The eruption is currently taking place entirely within the closed area of ​​Hawai’i Volcanoes National Park.


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