Comparison of Obsidian Dome in the Long Valley Volcanic Region and Hangar One at Moffett Field (CalVO location)
By California Volcano Observatory
February 2020 (approx.)
![Two photos are stacked for comparison. On the top, a rubbly lava dome looms high above a forest of dark green pine trees, spreading its gray and black rocks over the landscape like a pile of toothpaste. On the bottom, the metal skeleton of a huge blimp hangar stands on a concrete airfield, with a helicopter and pilot in the foreground. They are dwarfed by the massive structure.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/obsidian_dome_Hangar_One.png?itok=skXxtDFc)
Detailed Description
Obsidian Dome in the Long Valley Volcanic Region is about 0.1 km³ in volume, while Hangar One at Moffett Field (the location of CalVO) is about 1 million m³, or 0.001 km³.
Sources/Usage
Public Domain.