Side-by-side comparison of the northwest wall of Kīlauea Caldera
By Kīlauea
2010 (approx.)
![Two color photographs, one showing a clear-day rock-wall face and one showing the rock-wall face obscured by volcanic gases.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/img5000.png?itok=0PVTOmGn)
Detailed Description
Side-by-side comparison of the northwest wall of Kīlauea Caldera on a clear day (left) and a day with thick vog (right). HVO observation tower and building can be seen near the center in each photo
Sources/Usage
Public Domain.