June 4, 2024 — Examining young lava rocks erupted by Kīlauea on June 3

USGS Hawaiian Volcano Observatory geologists visited the now inactive fissures that formed on June 3rd on the upper Southwest Rift Zone of Kīlauea. Looking through a hand lens, geologists recognize the abundance of olivine ranging from 1-3 mm (about 0.1 inch) in size in the spatter samples. Petrographic and geochemical analyses will reveal the storage history and evolution of this lava. USGS Photo by M. Zoeller.