Tephra deposits from Kīlauea Volcano’s summit eruption

Hawaiian Volcano Observatory (HVO) technicians visited several monitoring stations downwind of the Kīlauea Volcano’s summit eruption within Halema‘um‘u crater, to clean small particle of volcanic glass (tephra) off of solar panels and other equipment today.  HVO geologists deployed buckets downwind of the eruption site to collect samples of the tephra for geochemical and physical volcanology analysis. USGS photo by K. Kamibayshi.