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Pu`u ka Pele Cinder Cone, Mauna Kea Volcano
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Download Options
| Name | Type | Width x Height | Size |
|---|---|---|---|
| volccndr.jpg | JPEG | 640 x 430 | 50K |
| volccndr.jpg | JPEG | 2888 x 1942 | 577K |
| volccndr.tif | TIFF | 2888 x 1942 | 9M |
A cinder cone is a steep, conical hill of volcanic fragments that accumulate around and downwind from a vent. The rock fragments, often called cinders or scoria, are glassy and contain numerous gas bubbles "frozen" into place as magma exploded into the air and then cooled quickly. Cinder cones range in size from tens to hundreds of meters tall.
This cinder cone (Pu`u ka Pele) was erupted low on the southeast flank of Mauna Kea Volcano. The cone is 95 meters in height with a crater diameter of 400 meters at the top. Hualalai Volcano is in the background.