January 16, 2026 — Collecting a sample of a recent Kīlauea lava flow in Halema'uma'u crater
January 16, 2026 — Collecting a sample of a recent Kīlauea lava flow in Halema'uma'u craterA USGS Hawaiian Volcano Observatory geologist collects a sample of the short lava flows that were erupted from the south vent just before episode 40 lava fountaining began on January 12, 2026. All sampling in Halema‘uma‘u crater is done with permission from Hawai‘i Volcanoes National Park.





