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February 4, 2025

During a helicopter overflight around 7:30 a.m. HST on February 3, 2025, USGS Hawaiian Volcano Observatory field crews observed weak spattering in the north vent of the 2024-2025 Kīlauea summit eruption. Episode 8 of the eruption began that evening, at 9:52 p.m. HST. 

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Color photograph of vent spattering
During a monitoring overflight around 7:30 a.m. HST, USGS Hawaiian Volcano Observatory field crews observed that spatter had built up a small cone within the north vent of the 2024-2025 Kīlauea summit eruption cones. The vent was weakly spattering within the cone during the flight. USGS photo by K. Lynn.
Media
Color photograph of lava spattering in vent
During a helicopter overflight around 7:30 a.m. HST on February 3, 2025, USGS Hawaiian Volcano Observatory field crews observed weak spattering in the north vent of the 2024-2025 Kīlauea summit eruption. The previous eruptive episode ended on January 28, and renewed glow from the vents overnight and weak spattering indicated that another eruptive episode could begin (Episode 8 began at 9:52 p.m. on February 3). Field crews noted that within the north vent, a spatter cone has built up from this recent increase in activity. USGS photo by K. Lynn.

USGS Hawaiian Volcano Observatory field crews observed weak spattering from the interior of the north vent at Halema‘uma‘u during a Kīlauea summit field shift on February 3, 2025. This telephoto image focuses on the spattering vent, which is inside of the larger north vent cone that has built up from December 23, 2024, through January 28, 2025 (when the previous eruptive episode ended). USGS photo by K. Lynn.


 

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Color photograph of ash in caldera wall
During a monitoring overflight on February 3, 2025, USGS Hawaiian Volcano Observatory crews had excellent views of Kīlauea's west crater walls, where tephra deposits have been exposed following the collapse of the summit in 2018. This image shows talus (rock debris from the crater walls) surrounding a triangle-shaped exposure of tephra that is many meters thick. USGS photo by K. Lynn.
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Color photograph of mountain covered with snow
With quite clear conditions on the morning of February 3, 2025, USGS Hawaiian Volcano Observatory crews on a monitoring overflight of Kīlauea summit had excellent views of the snow-capped Mauna Kea (shown here) and Mauna Loa. Both mountain summits received snow during a winter storm that passed over the Island of Hawai‘i last week. USGS photo by K. Lynn.
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Color photograph of lava erupting from vent
Episode 8 of the ongoing Halemaʻumaʻu eruption at the summit of Kīlauea began last night, February 3, 2025, at 9:52 p.m. HST. This view, captured just after 10 p.m. HST by the S2cams shows vigorous fountaining feeding multiple lava flows. USGS photo.  
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