TEPHRA

The Puu Oo cone, the main vent for Kilauea from 1983-1986, is made of cinder and spatter from numerous lava fountains. Photograph by J.D. Griggs, U.S. Geological Survey,


Lesson at a glance, Key Concepts, and Lesson Outcomes are available by clicking here .

Back to Teacher's Guide

To VolcanoWorld

Next Section