Chaîne des Puys

Lore & Background

The majority of its cones were formed by Strombolian eruptions, often with well-defined summit craters; some have nested craters or broken rims where lava poured through. In contrast, Puy de Dôme was created by a Peléan eruption, characterized by long dormant periods interrupted by sudden, extremely violent eruptions. The chain is located on the Limagne fault, a major part of the European Cenozoic Rift System that formed during the creation of the Alps roughly 35 million years ago. Future eruptions are possible and would result in the formation of new mountains. The chain was the subject of pioneering research by English geologist George Julius Poulett Scrope, starting in the 1820s. These books were the first widely published descriptions of the Chaîne des Puys and laid the foundation for many basic principles of volcanology.

Reader's Guide

Its diverse volcanic features—cinder cones, lava domes, maars, and explosion craters—provide a natural laboratory for studying volcanic processes. The pioneering research of George Julius Poulett Scrope in the 1820s and 1850s established foundational principles of volcanology, moving understanding beyond earlier rumors that the features were man-made. The chain's potential for future eruptions underscores its ongoing geological activity. For visitors and scientists alike, the Chaîne des Puys offers a clear record of volcanic evolution and continental rifting, making it a key site for both education and research in earth sciences.

Did You Know?

• The Chaîne des Puys comprises 48 cinder cones, eight lava domes, and 15 maars and explosion craters.
• Its highest point, Puy de Dôme, was created by a Peléan eruption, which is characterized by long dormant periods interrupted by sudden, extremely violent eruptions.