Lava lake spills onto Halema‘uma‘u Crater floor

A Hawaiian Volcano Observatory geologist uses a laser range-finder to measure the depth of the lava lake at Kilauea's summit. The lake overflowed onto the floor of Halema'uma'u, adding another layer of shiny black lava to the crater. Courtesy of HVO
Lava glows over the weekend. (Billy Kilmer / West Hawaii Today)

HILO ­— Kilauea’s summit lava lake covered nearly 40 acres of Halema‘uma‘u after rising over the top of Overlook crater.