- USGS PHOTO GLOSSARY OF VOLCANIC TERMS
Instead of shooting lava vertically from a vent, an arching lava fountain sends lava upward and outward. Arching fountains form when the shape or geometry of an erupting vent forces the lava outward in a continuous stream of airborne lava.\Photograph by J.D. Griggs on 25 February 1983.Arching lava fountain 10-15 m tall on the east rift zone of Kilauea Volcano, Hawai`i.
Glossary of volcanic terms. - University of Wisconsin Oshkosh. G. J. Hudak. 2001.
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