Global Volcanism Program | Image GVP-01512
The Solfatara maar-diatreme in the Campi Flegrei caldera was formed during an explosive eruption about 3,850 years ago. The crater is still thermally active, releasing gas that includes H2O, CO2, and CO. A small phreatic eruption occurred at Solfatara in 1198 CE.
Photo by Roberto Scandone, 1984 (University of Rome).
This image is made available under the Creative Commons BY-NC 4.0 license terms.