Animated image file (GIF) of the west vent in Halema'uma'u crater

ANIMATED GIF: This animated image file (GIF), viewing the west vent in Halema‘uma‘u crater, shows a burst of incandescent clasts being ejected from one of the vent skylights. Occasional spatter bursts, such as this one, have been slowly building a spatter cone (center) over the vent. USGS GIF by H. Dietterich from today (Jan. 2) at 3:30 a.m. HST.