A close up view of an outlet channel at Halema‘uma‘u, Kīlauea — May 18, 2022
A close up view of an outlet channel at Halema‘uma‘u, Kīlauea — May 18, 2022The feature shown in the photograph is a drainage outlet for the active lava lake of Halema‘uma‘u, a crater within the summit caldera of Kīlauea volcano. Surface plates from the active lake surface are dragged into the outlet and churned up. A small standing wave, about 1 meter or 1 yard tall, is present in the center of the outlet structure.