Hawaiian Volcano Observatory

Photo Information

Vigorous tephra jet after delta collapse, Kilauea Volcano
Photograph by T.N. Mattox on November 30, 1993
The most energetic and dangerous tephra jets occur immediately following the collapse of a lava delta's leading edge. Jets of spatter and cooled lava fragments can reach more than 40 m in height.

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Updated: 2 June 2000 (SRB)