Aerial view of lava lake in Halema‘uma‘u—Kīlauea, Feb. 1

A closer view of the lava lake in Halema‘uma‘u crater from the helicopter. Most of the lake surface in the foreground (east) is solidified on the surface, with active lava limited to the western end of the lake, in the distance. Rockfall debris can be seen on the southern margin of the lake (left side of photo). USGS photo by M. Patrick.