December 31, 2020—Kīlauea summit eruption

A channel-like feature is visible on the lava lake surface within Halemaʻumaʻu crater at Kīlauea Volcano's summit. This feature originates from the influx of lava from the western fissure, just out of view on the bottom of the photograph. USGS photo by M. Patrick on 12/31/2020.