Global Volcanism Program | Image GVP-06248
The steep vegetated northwest wall of the 2-km-wide summit caldera of Fayal volcano rises about 400 m above the caldera floor. A small pyroclastic cone is visible at the lower right. It is thought that this caldera formed in stages, beginning with a large explosive eruption about 1,000 years ago.
Photo by Rick Wunderman, 1997 (Smithsonian Institution).