Volcano Awareness Month 2022 Short Feature — Kīlauea’s recent explosive history – lanikai-beach

Join USGS Hawaiian Volcano Observatory retired geologist Don Swanson on a virtual field visit to an exposure of the Keanakāko‘i Tephra near the summit of Kīlauea as part of Volcano Awareness Month. This exposure shows deposits of explosive eruptions of Kīlauea between 500 and 230 years ago, from just after the modern caldera formed to […]

Eruption Quick Take: Kīlauea’s Shrinking Lava Lake – lanikai-beach

0 Kīlaueaʻs open lava lake surface has shrunk by almost 25% over the past week, and gas emissions decreased as low lava output continues. According to our estimates based on USGS photos, time-lapse sequences, and map area calculations, the area of active lava on the surface has shrunk by close to 20% on the lake’s […]

Overflight of Kīlauea’s summit Lava Lake and Fissure – lanikai-beach

0 A helicopter overflight on December 26, 2020, provided aerial views of the eruption in Halema‘uma‘u. This video, which is sped up 3 times, shows the lava lake and active west vent that rejuvenated just before 3 a.m. HST today. Visual and thermal imagery collected during the overflight are used to map the ongoing activity. […]

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