August 29, 2025 — Kīlauea summit observations and monitoring site maintenance

A close-up view of tiny volcanic glass fragments on a leather glove. These particles are abundant around the western rim of Kīlauea summit caldera, an area that is closed to the public due to hazardous conditions. Volcanic glass fragments can cause irritation to eyes, lungs, and skin, and exposure should be avoided. USGS scientists working in the closed area, with permission from Hawai‘i Volcanoes National Park, wear special personal protective equipment to minimize their exposure to these particles. USGS photo by L. DeSmither on August 29, 2025.