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Scientists studied fire fountains from the phase-34 eruption (August 1984) of Pu’u O’o in Hawaii to investigate the dispersal and cooling of ejected materials. In this view, the incandescent part of the plume is approximately 200 meters high. Large clasts from this fire fountain retained their heat to such an extent that they coalesced on the ground to form a lava flow that moved away from the vent (at right in this view). Pu’u O’o is located about 15 kilometers downrift from the summit of Kilauea Caldera, on the East Rift Zone. Photograph courtesy of P. Mouginis-Mark. Right click here to download a high-resolution version of the image (8.85 MB) |
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