January 24, 2026 — Concrete pad covered with Kīlauea episode 41 tephra at Volcano House Hotel

Photograph taken of concrete pad located at the Volcano House Hotel, in Hawaiʻi Volcanoes National Park, covered with reticulite tephra clasts that fell throughout most of episode 41 lava fountaining at the summit of Kīlauea on January 24, 2026. These clasts tend to be light weight and consist mostly of glass with sharp edges that can cut skin and cause splinters. USGS photo by D. downs.