







































Pu?u ?O?o fountain during episode 23 of the Pu?u ?O?o?Kupaianaha Eruption on July 28, 1984.
Theodolite measurements of these high fountains, which played throughout the day, ranged from 150 to 305 m.
Photograph by J.D. Griggs, 7/28/84
(via: U.S. Geological Survey)