September 30, 2021 — Kīlauea lava lake thermal image

This thermal image was taken during the morning overflight on September 30, 2021, and looks west across Halema‘uma‘u crater, at the summit of Kīlauea. Several fountains are emerging through the active lake surface, in addition to fountaining on the west margin of the lake. The island remains near the center of the lake, and a small portion of the western cone, active during the previous eruption earlier this year, is still exposed. USGS image by M. Patrick.