VHP Photo Glossary: Arching fountain

Arching lava fountain erupting at Kilauea Volcano, Hawai`i

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.

Arching fountain

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.

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