Side-by-side comparison of the NW wall of Kīlauea Caldera on a clea...
By Volcano Hazards Program
2008 (approx.)
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.
HVO