Activity at west vent in Halema‘uma‘u
Lava erupting from the west vent within Halema‘uma‘u crater, at Kīlauea summit. Frequent large spatter bursts were observed at the west vent during a period of increased eruptive activity that lasted for a few hours on the evening of December 15, 2021. This photo was taken from the public viewpoint near Keanakāko‘i crater in Hawai‘i Volcanoes National Park. USGS photo taken by B. Carr.